diff --git a/projects/solidify-frontend/src/lib/components/containers/tabs/tabs.container.html b/projects/solidify-frontend/src/lib/components/containers/tabs/tabs.container.html
index 3d961a467c46a6b92a92f4299c923790497b6d83..de5202ef998bac6ca4575bf3921045b1ba7b4aaa 100644
--- a/projects/solidify-frontend/src/lib/components/containers/tabs/tabs.container.html
+++ b/projects/solidify-frontend/src/lib/components/containers/tabs/tabs.container.html
@@ -1,6 +1,4 @@
-<ul class="tabs-header-container"
->
-  <!--    [tourAnchor]="tabTourAnchor"-->
+<ul class="tabs-header-container">
   <li (click)="navigateToTab(tab)"
       (onEnter)="navigateToTab(tab)"
       *ngFor="let tab of tabs; trackBy: trackByFn"
diff --git a/projects/solidify-frontend/src/lib/components/dialogs/base-action/base-action.dialog.html b/projects/solidify-frontend/src/lib/components/dialogs/base-action/base-action.dialog.html
index e89bc7db749a84f47b461b221fed790c29052371..ad876ee7949e1297f0d665e76ae7f688b360205a 100644
--- a/projects/solidify-frontend/src/lib/components/dialogs/base-action/base-action.dialog.html
+++ b/projects/solidify-frontend/src/lib/components/dialogs/base-action/base-action.dialog.html
@@ -6,29 +6,3 @@
 >
   <ng-content></ng-content>
 </div>
-<!--<div mat-dialog-actions>-->
-<!--  <button mat-button-->
-<!--          [mat-dialog-close]=""-->
-<!--          cdkFocusInitial-->
-<!--  >{{labelCancelButtonToTranslate | translate}}</button>-->
-<!--  <ng-container *ngFor="let button of buttons">-->
-<!--    <ng-template [ngIf]="button.typeButton === 'normal'"-->
-<!--                 [ngIfElse]="flatButton"-->
-<!--    >-->
-<!--      <button [color]="button.color"-->
-<!--              mat-button-->
-<!--              [disabled]="!(button.disabledCallback | isNullOrUndefined) && button.disabledCallback()"-->
-<!--              (click)="button.clickCallback()"-->
-<!--      >{{button.titleToTranslate | translate}}-->
-<!--      </button>-->
-<!--    </ng-template>-->
-<!--    <ng-template #flatButton>-->
-<!--      <button [color]="button.color"-->
-<!--              mat-flat-button-->
-<!--              [disabled]="!(button.disabledCallback | isNullOrUndefined) && button.disabledCallback()"-->
-<!--              (click)="button.clickCallback()"-->
-<!--      >{{button.titleToTranslate | translate}}-->
-<!--      </button>-->
-<!--    </ng-template>-->
-<!--  </ng-container>-->
-<!--</div>-->
diff --git a/projects/solidify-frontend/src/lib/components/dialogs/base-action/base-action.dialog.scss b/projects/solidify-frontend/src/lib/components/dialogs/base-action/base-action.dialog.scss
index a57c6d1d6149bb10e62f2f4c4bbb7dc567a10009..f332726b75beb2bae99b0ea72f358d91f14a97a4 100644
--- a/projects/solidify-frontend/src/lib/components/dialogs/base-action/base-action.dialog.scss
+++ b/projects/solidify-frontend/src/lib/components/dialogs/base-action/base-action.dialog.scss
@@ -1,5 +1 @@
 @import "../abstract/abstract.dialog";
-
-:host {
-
-}
diff --git a/projects/solidify-frontend/src/lib/components/dialogs/first-login/first-login.dialog.scss b/projects/solidify-frontend/src/lib/components/dialogs/first-login/first-login.dialog.scss
index 32c65c8c97834566f3d29ed565a9d49cba75b52d..71d86a79ccb177e544a3471c8de92724c8e3d026 100644
--- a/projects/solidify-frontend/src/lib/components/dialogs/first-login/first-login.dialog.scss
+++ b/projects/solidify-frontend/src/lib/components/dialogs/first-login/first-login.dialog.scss
@@ -1,3 +1 @@
-:host {
-
-}
+@import "../../../scss/abstracts/abstracts";
diff --git a/projects/solidify-frontend/src/lib/components/dialogs/token/token.dialog.html b/projects/solidify-frontend/src/lib/components/dialogs/token/token.dialog.html
index 997ecaf08835d41a483c6ed5f2874151390aa31b..5983f2d75faaf8249b51c65b33df6c84fea8a33a 100644
--- a/projects/solidify-frontend/src/lib/components/dialogs/token/token.dialog.html
+++ b/projects/solidify-frontend/src/lib/components/dialogs/token/token.dialog.html
@@ -20,10 +20,6 @@
         <dt class="label">{{labelTranslateInterface.user | translate}}</dt>
         <dd>{{tokenDecoded.user_name}}</dd>
       </dl>
-      <!--      <dl>-->
-      <!--        <dt class="label">{{labelTranslateInterface.role | translate}}</dt>-->
-      <!--        <dd>{{tokenDecoded.authorities}}</dd>-->
-      <!--      </dl>-->
       <dl>
         <dt class="label">{{labelTranslateInterface.expiration | translate}}</dt>
         <dd>{{expiration}}</dd>
diff --git a/projects/solidify-frontend/src/lib/components/dialogs/update-version/update-version.dialog.scss b/projects/solidify-frontend/src/lib/components/dialogs/update-version/update-version.dialog.scss
index 32c65c8c97834566f3d29ed565a9d49cba75b52d..71d86a79ccb177e544a3471c8de92724c8e3d026 100644
--- a/projects/solidify-frontend/src/lib/components/dialogs/update-version/update-version.dialog.scss
+++ b/projects/solidify-frontend/src/lib/components/dialogs/update-version/update-version.dialog.scss
@@ -1,3 +1 @@
-:host {
-
-}
+@import "../../../scss/abstracts/abstracts";
diff --git a/projects/solidify-frontend/src/lib/components/presentationals/button-id/button-id.presentational.scss b/projects/solidify-frontend/src/lib/components/presentationals/button-id/button-id.presentational.scss
index b240b0151d2ccc03cf0da3721447f8ceeb3d9e04..71d86a79ccb177e544a3471c8de92724c8e3d026 100644
--- a/projects/solidify-frontend/src/lib/components/presentationals/button-id/button-id.presentational.scss
+++ b/projects/solidify-frontend/src/lib/components/presentationals/button-id/button-id.presentational.scss
@@ -1,6 +1 @@
-@import "../../../scss/abstracts/variables";
-@import "../../../scss/abstracts/mixins";
-
-:host {
-
-}
+@import "../../../scss/abstracts/abstracts";
diff --git a/projects/solidify-frontend/src/lib/components/presentationals/button-refresh/button-refresh.presentational.scss b/projects/solidify-frontend/src/lib/components/presentationals/button-refresh/button-refresh.presentational.scss
index bb012c5c31bef67c9e54c8603c39a0fb56d051f7..2d95d467e0503c369214c475c5ef366309076e3c 100644
--- a/projects/solidify-frontend/src/lib/components/presentationals/button-refresh/button-refresh.presentational.scss
+++ b/projects/solidify-frontend/src/lib/components/presentationals/button-refresh/button-refresh.presentational.scss
@@ -7,10 +7,6 @@
     transition-duration: 1s;
     color: $primary-color;
 
-    fa-icon {
-      font-size: 20px;
-    }
-
     &.spinning {
       animation-name: rotate;
       animation-duration: 2s;
diff --git a/projects/solidify-frontend/src/lib/components/presentationals/button-status-history/button-status-history.presentational.scss b/projects/solidify-frontend/src/lib/components/presentationals/button-status-history/button-status-history.presentational.scss
index 24482a12eea5bc2ea6977019a2a42773756f1653..71d86a79ccb177e544a3471c8de92724c8e3d026 100644
--- a/projects/solidify-frontend/src/lib/components/presentationals/button-status-history/button-status-history.presentational.scss
+++ b/projects/solidify-frontend/src/lib/components/presentationals/button-status-history/button-status-history.presentational.scss
@@ -1,5 +1 @@
-@import "../../../scss/abstracts/variables";
-
-:host {
-
-}
+@import "../../../scss/abstracts/abstracts";
diff --git a/projects/solidify-frontend/src/lib/components/presentationals/data-table/data-table.presentational.html b/projects/solidify-frontend/src/lib/components/presentationals/data-table/data-table.presentational.html
index 1667849c57bfc38f1c9325520604ed0c1cf7d15b..6bcf8b1d30658f2c5275e8c8e5057a2bf63c2366 100644
--- a/projects/solidify-frontend/src/lib/components/presentationals/data-table/data-table.presentational.html
+++ b/projects/solidify-frontend/src/lib/components/presentationals/data-table/data-table.presentational.html
@@ -303,12 +303,6 @@
              [solidifySpinnerHeight]="tbodyHeight"
              [solidifySpinnerMinHeight]="175">
 
-<!--      <tr *ngIf="(isLoading && ((datas | isNullOrUndefined) || (datas | isEmptyArray))) || ((datas | isNullOrUndefined) || (datas | isEmptyArray))"-->
-<!--          class="space-guard-row"-->
-<!--      >-->
-<!--        &lt;!&ndash;AVOID GLITCH ON HEADERWHEN NO DATA ARE HERE&ndash;&gt;-->
-<!--      </tr>-->
-
       <tr (cdkDragStarted)="dragStart($event)"
           (cdkDragEnded)="dragEnd($event)"
           (click)="showDetail(rowData)"
@@ -322,7 +316,6 @@
           cdkDrag
           solidifyShortCuts
       >
-        <!--                pSelectableRow="row"-->
         <div *cdkDragPreview>
           <solidify-icon *ngIf="!(draggablePreviewMatIcon | isNullOrUndefined)"
                          [iconName]="draggablePreviewMatIcon"
@@ -484,23 +477,7 @@
       </tbody>
 
     </table>
-    <!--    <p-table [columns]="columns"-->
-    <!--             [value]="preloadRowsForPage ? datasForPage : datas"-->
-    <!--             selectionMode="single"-->
-    <!--             [autoLayout]="true"-->
-    <!--             [responsive]="true"-->
-    <!--             [sortMode]="'single'"-->
-    <!--             [lazy]="true"-->
-    <!--             (onLazyLoad)="backendSort($event)"-->
-    <!--             [customSort]="true"-->
-    <!--             [sortField]="defaultSortColumn ? defaultSortColumn?.field : undefined"-->
-    <!--             [sortOrder]="defaultSortColumn ? defaultSortColumn?.order : undefined"-->
-    <!--             [scrollable]="!!scrollHeight"-->
-    <!--             [scrollHeight]="scrollHeight"-->
-    <!--             [rowTrackBy]="trackByFunction"-->
-
-    <!--    >-->
-    <!--    </p-table>-->
+
     <div *ngIf="!isLoading && !isDatasPresent"
          class="no-datas"
     >
@@ -509,98 +486,6 @@
   </div>
 </ng-template>
 
-<!--<ng-template #colComponentTemplate-->
-<!--             let-rowData="rowData"-->
-<!--             let-col="col"-->
-<!--&gt;-->
-
-<!--  <ng-container [ngSwitch]="col.component">-->
-<!--    <solidify-aip-status-summary *ngSwitchCase="dataTableComponentEnum.aipStatusSummaryPresentational"-->
-<!--                                    [aipCopyList]="rowData"-->
-<!--    ></solidify-aip-status-summary>-->
-
-<!--    <solidify-aip-status-name *ngSwitchCase="dataTableComponentEnum.aipStatusNamePresentational"-->
-<!--                                 [aipCopyList]="rowData"-->
-<!--    ></solidify-aip-status-name>-->
-
-<!--    <solidify-aip-status-orgunit-name *ngSwitchCase="dataTableComponentEnum.aipStatusOrgUnitPresentational"-->
-<!--                                         [aipCopyList]="rowData"-->
-<!--    ></solidify-aip-status-orgunit-name>-->
-
-<!--    <solidify-admin-research-domain-label *ngSwitchCase="dataTableComponentEnum.adminResearchDomainLabel"-->
-<!--                                             [researchDomain]="rowData"-->
-<!--                                             [language]="col.field"-->
-<!--    ></solidify-admin-research-domain-label>-->
-
-<!--    <solidify-organizational-unit-member-container *ngSwitchCase="dataTableComponentEnum.organizationalUnitMember"-->
-<!--                                                      [organizationalUnit]="rowData"-->
-<!--    ></solidify-organizational-unit-member-container>-->
-
-<!--    <solidify-compliance-level-rating *ngSwitchCase="dataTableComponentEnum.conformityLevelStar"-->
-<!--                                         [withLabel]="false"-->
-<!--                                         [center]="true"-->
-<!--                                         [value]="getData(rowData, col)"-->
-<!--    >-->
-
-<!--    </solidify-compliance-level-rating>-->
-
-<!--    <solidify-datafile-quick-status *ngSwitchCase="dataTableComponentEnum.dataFileQuickStatus"-->
-<!--                                       #quickStatus-->
-<!--                                       [value]="getData(rowData, col)"-->
-<!--                                       [matTooltip]="quickStatus.toolipToTranslate | translate"-->
-<!--    >-->
-<!--    </solidify-datafile-quick-status>-->
-
-<!--    <ng-template [ngSwitchCase]="dataTableComponentEnum.jobExecutionProgression">-->
-<!--      <mat-progress-bar *ngIf="getData(rowData, col) !== 100"-->
-<!--                        mode="determinate"-->
-<!--                        [value]="getData(rowData, col)"-->
-<!--      ></mat-progress-bar>-->
-<!--    </ng-template>-->
-
-<!--    <ng-template [ngSwitchCase]="dataTableComponentEnum.organizationalUnitName">-->
-<!--      <solidify-organizational-unit-name-container [id]="getData(rowData, col)"-->
-<!--      ></solidify-organizational-unit-name-container>-->
-<!--    </ng-template>-->
-
-<!--    <ng-template [ngSwitchCase]="dataTableComponentEnum.archive">-->
-<!--      <solidify-archive-name-container [id]="getData(rowData, col)"-->
-<!--      ></solidify-archive-name-container>-->
-<!--    </ng-template>-->
-
-<!--    <solidify-access-level *ngSwitchCase="dataTableComponentEnum.accessLevel"-->
-<!--                              [accessLevel]="getData(rowData, col)"-->
-<!--                              [withTooltip]="true"-->
-<!--    ></solidify-access-level>-->
-
-<!--    <solidify-archive-publication-date *ngSwitchCase="dataTableComponentEnum.archivePublicationDate"-->
-<!--                                          [archive]="rowData"-->
-<!--    >-->
-<!--    </solidify-archive-publication-date>-->
-
-<!--    <dlcm-status *ngSwitchCase="dataTableComponentEnum.status"-->
-<!--                        [statusModel]="enumUtil.getKeyValue(col.filterEnum, getData(rowData, col))"-->
-<!--                        [label]="undefined"-->
-<!--                        [takeAllWidth]="true"-->
-<!--    ></dlcm-status>-->
-
-<!--    <solidify-data-sensitivity *ngSwitchCase="dataTableComponentEnum.sensitivity"-->
-<!--                                  [dataSensitivity]="getData(rowData, col)"-->
-<!--                                  [withTooltip]="true"-->
-<!--    ></solidify-data-sensitivity>-->
-
-<!--    <ng-template [ngSwitchCase]="dataTableComponentEnum.logo">-->
-<!--      <solidify-logo-wrapper-container [id]="getResId(rowData)"-->
-<!--                                          [isUser]="col.isUser"-->
-<!--                                          [user]="rowData"-->
-<!--                                          [logoNamespace]="col.resourceNameSpace"-->
-<!--                                          [logoState]="col.resourceState"-->
-<!--      ></solidify-logo-wrapper-container>-->
-<!--    </ng-template>-->
-
-<!--  </ng-container>-->
-<!--</ng-template>-->
-
 <ng-template #colNoComponentTemplate
              let-col="col"
              let-rowData="rowData"
diff --git a/projects/solidify-frontend/src/lib/components/presentationals/data-table/data-table.presentational.scss b/projects/solidify-frontend/src/lib/components/presentationals/data-table/data-table.presentational.scss
index f430c0d5c90658e840678410b42f24e0afe26639..b3b0530e6e7ff0df050f4f3d29377738bd31f5a5 100644
--- a/projects/solidify-frontend/src/lib/components/presentationals/data-table/data-table.presentational.scss
+++ b/projects/solidify-frontend/src/lib/components/presentationals/data-table/data-table.presentational.scss
@@ -46,10 +46,6 @@ $bodyTextColor: #444444;
     width: 55px;
   }
 
-  .td-column {
-
-  }
-
   .multi-select-checkbox-cell {
     width: 40px;
     text-align: center;
@@ -386,10 +382,6 @@ $bodyTextColor: #444444;
   .icon {
     margin-right: 10px;
   }
-
-  .label {
-
-  }
 }
 
 .cdk-drag-animating {
diff --git a/projects/solidify-frontend/src/lib/components/presentationals/detail-presentation/detail-presentation.presentational.scss b/projects/solidify-frontend/src/lib/components/presentationals/detail-presentation/detail-presentation.presentational.scss
index 94279358a5d19a2e2446353ba58766200ee4c42b..742ca538535064d0f2bec848d9a8e747482c7291 100644
--- a/projects/solidify-frontend/src/lib/components/presentationals/detail-presentation/detail-presentation.presentational.scss
+++ b/projects/solidify-frontend/src/lib/components/presentationals/detail-presentation/detail-presentation.presentational.scss
@@ -16,9 +16,6 @@
       justify-content: center;
     }
 
-    ::ng-deep {
-    }
-
     .image {
       width: 300px;
       height: 300px;
diff --git a/projects/solidify-frontend/src/lib/components/presentationals/icon/icon.presentational.scss b/projects/solidify-frontend/src/lib/components/presentationals/icon/icon.presentational.scss
index 7808fe3f7d97c444f931e7342472be0bab94372d..6a7fc2cada9187f7d989fefe3c959f1586e3d500 100644
--- a/projects/solidify-frontend/src/lib/components/presentationals/icon/icon.presentational.scss
+++ b/projects/solidify-frontend/src/lib/components/presentationals/icon/icon.presentational.scss
@@ -7,9 +7,7 @@ $size: 0;
   text-align: center;
   position: relative;
   overflow: hidden;
-}
 
-:host {
   .icon {
     position: absolute;
     left: 0;
diff --git a/projects/solidify-frontend/src/lib/components/presentationals/language-selector/language-selector.presentational.html b/projects/solidify-frontend/src/lib/components/presentationals/language-selector/language-selector.presentational.html
index 557680f701a36010726bb42b6cfbd95c85673702..306a822f6348d632cb70453e02c6295239400f52 100644
--- a/projects/solidify-frontend/src/lib/components/presentationals/language-selector/language-selector.presentational.html
+++ b/projects/solidify-frontend/src/lib/components/presentationals/language-selector/language-selector.presentational.html
@@ -1,6 +1,7 @@
 <img (click)="matSelect.open()"
      [matTooltipPosition]="'left'"
      [matTooltip]="labelTranslateInterface.languageSelectorSelectLanguage | translate"
+     [alt]="labelTranslateInterface.languageSelectorSelectLanguage | translate"
      [src]="getPathToImage(currentLanguage)"
      class="selected-language-img"
 >
@@ -18,6 +19,7 @@
       <img (click)="useLanguage(lang); matSelect.close()"
            [matTooltipPosition]="'after'"
            [matTooltip]="enumUtil.getLabel(languageEnumTranslate, lang) | translate"
+           [alt]="enumUtil.getLabel(languageEnumTranslate, lang) | translate"
            [src]="getPathToImage(lang)"
            class="option-language-img"
            style="max-height: 18px; max-width: 18px; padding-left: 13px;"
diff --git a/projects/solidify-frontend/src/lib/components/presentationals/language-selector/language-selector.presentational.scss b/projects/solidify-frontend/src/lib/components/presentationals/language-selector/language-selector.presentational.scss
index 2d7c330dd4dea3710239537aaffb3b56accf9d8c..d3782357000bde9b6f778ccd51426064dbe039c6 100644
--- a/projects/solidify-frontend/src/lib/components/presentationals/language-selector/language-selector.presentational.scss
+++ b/projects/solidify-frontend/src/lib/components/presentationals/language-selector/language-selector.presentational.scss
@@ -1,6 +1,6 @@
 @import "../../../scss/abstracts/variables";
 
-solidify-language-selector {
+:host {
   display: flex;
   flex-direction: column;
   justify-content: center;
@@ -15,38 +15,37 @@ solidify-language-selector {
     filter: invert(100%);
   }
 
-  .option-language-img {
-    max-height: 30px;
-    max-width: 30px;
-    padding-top: 18px;
-    padding-left: 4px;
-    cursor: pointer;
-  }
-
-  .mat-form-field-wrapper {
-    position: absolute;
-  }
-
-  .mat-form-field,
-  .mat-form-field-infix {
-    width: 0;
-  }
-
-  .mat-select-value {
-    color: $white !important;
-  }
-
-  .mat-select-arrow {
-    color: $white !important;
-    display: none;
-  }
-
-  .mat-form-field-underline {
-    display: none !important;
-  }
-
-  .mat-form-field-wrapper {
-    padding-bottom: 12px !important;
+  ::ng-deep {
+    .option-language-img {
+      max-height: 30px;
+      max-width: 30px;
+      padding-top: 18px;
+      padding-left: 4px;
+      cursor: pointer;
+    }
+
+    .mat-form-field-wrapper {
+      position: absolute;
+      padding-bottom: 12px !important;
+    }
+
+    .mat-form-field,
+    .mat-form-field-infix {
+      width: 0;
+    }
+
+    .mat-select-value {
+      color: $white !important;
+    }
+
+    .mat-select-arrow {
+      color: $white !important;
+      display: none;
+    }
+
+    .mat-form-field-underline {
+      display: none !important;
+    }
   }
 
 }
diff --git a/projects/solidify-frontend/src/lib/components/presentationals/language-selector/language-selector.presentational.ts b/projects/solidify-frontend/src/lib/components/presentationals/language-selector/language-selector.presentational.ts
index 44e46ba438687105c90c22665e1b066f81777865..4d3dcbfe6cea95d09235808b7fe33fe4163022aa 100644
--- a/projects/solidify-frontend/src/lib/components/presentationals/language-selector/language-selector.presentational.ts
+++ b/projects/solidify-frontend/src/lib/components/presentationals/language-selector/language-selector.presentational.ts
@@ -25,7 +25,6 @@ import {AbstractInternalPresentational} from "../abstract-internal/abstract-inte
   templateUrl: "./language-selector.presentational.html",
   styleUrls: ["./language-selector.presentational.scss"],
   changeDetection: ChangeDetectionStrategy.OnPush,
-  encapsulation: ViewEncapsulation.None,
 })
 export class LanguageSelectorPresentational extends AbstractInternalPresentational {
   private _languageList: ExtendEnum<LanguagePartialEnum>[] = this.environment.appLanguages;
diff --git a/projects/solidify-frontend/src/lib/components/presentationals/searchable-multi-select/searchable-multi-select.presentational.scss b/projects/solidify-frontend/src/lib/components/presentationals/searchable-multi-select/searchable-multi-select.presentational.scss
index edc3939526dc5524fe793de2ab410a1cd7fc6263..e90fb1f64cecd9c639685dc1cf1ddf9351f82c95 100644
--- a/projects/solidify-frontend/src/lib/components/presentationals/searchable-multi-select/searchable-multi-select.presentational.scss
+++ b/projects/solidify-frontend/src/lib/components/presentationals/searchable-multi-select/searchable-multi-select.presentational.scss
@@ -1,5 +1 @@
 @import "../abstract-multi-select/abstract-multi-select.presentational";
-
-:host {
-
-}
diff --git a/projects/solidify-frontend/src/lib/components/presentationals/theme-selector-menu/theme-selector-menu.presentational.html b/projects/solidify-frontend/src/lib/components/presentationals/theme-selector-menu/theme-selector-menu.presentational.html
index d8d77406b7dabc1e179ee7277d9ae8ab4c306d1a..8942832fe3692b4252e9a2346567e6b47364247a 100644
--- a/projects/solidify-frontend/src/lib/components/presentationals/theme-selector-menu/theme-selector-menu.presentational.html
+++ b/projects/solidify-frontend/src/lib/components/presentationals/theme-selector-menu/theme-selector-menu.presentational.html
@@ -8,6 +8,7 @@
   >
     <img [matTooltipPosition]="'after'"
          [matTooltip]="stringUtil.convertToPascalCase(themeValue)"
+         [alt]="stringUtil.convertToPascalCase(themeValue)"
          [src]="getPathToImage(themeValue)"
          class="image"
     >
diff --git a/projects/solidify-frontend/src/lib/components/presentationals/theme-selector/theme-selector.presentational.html b/projects/solidify-frontend/src/lib/components/presentationals/theme-selector/theme-selector.presentational.html
index 31e46c30a52ebc8e6230354e22f0e814c94cbefe..bc4152b69e3b831e3f278a0a968cce89622bcd12 100644
--- a/projects/solidify-frontend/src/lib/components/presentationals/theme-selector/theme-selector.presentational.html
+++ b/projects/solidify-frontend/src/lib/components/presentationals/theme-selector/theme-selector.presentational.html
@@ -1,6 +1,7 @@
 <img [matMenuTriggerFor]="themeSelector.menu"
      [matTooltipPosition]="'right'"
      [matTooltip]="'app.module.themeSelector' | translate"
+     [alt]="'app.module.themeSelector' | translate"
      [src]="getPathToImage(theme)"
      class="selected-theme-img"
 >
diff --git a/projects/solidify-frontend/src/lib/components/presentationals/tour-step/tour-step.presentational.scss b/projects/solidify-frontend/src/lib/components/presentationals/tour-step/tour-step.presentational.scss
index 1a0767533b13ee6404d4713efaf46f000ea64257..71d86a79ccb177e544a3471c8de92724c8e3d026 100644
--- a/projects/solidify-frontend/src/lib/components/presentationals/tour-step/tour-step.presentational.scss
+++ b/projects/solidify-frontend/src/lib/components/presentationals/tour-step/tour-step.presentational.scss
@@ -1,5 +1 @@
 @import "../../../scss/abstracts/abstracts";
-
-:host {
-
-}
diff --git a/projects/solidify-frontend/src/lib/components/routables/abstract-detail-edit/abstract-detail-edit.routable.scss b/projects/solidify-frontend/src/lib/components/routables/abstract-detail-edit/abstract-detail-edit.routable.scss
index c24b9bc4c8ddd5b0315c071146828e459423b4f7..9d17de79a2a0e8b420e3e53a661585c112ad516f 100644
--- a/projects/solidify-frontend/src/lib/components/routables/abstract-detail-edit/abstract-detail-edit.routable.scss
+++ b/projects/solidify-frontend/src/lib/components/routables/abstract-detail-edit/abstract-detail-edit.routable.scss
@@ -13,9 +13,6 @@
     padding-top: 10px;
   }
 
-  .tab-header-icon {
-  }
-
   .tab-header-label {
     padding-left: 10px;
 
diff --git a/projects/solidify-frontend/src/lib/components/routables/icon-app-summary/icon-app-summary.routable.scss b/projects/solidify-frontend/src/lib/components/routables/icon-app-summary/icon-app-summary.routable.scss
index 51e806a2c8feda08c752e80709c24fc19c956fd2..6450596f1044b62215b1518d74c89154aaa07637 100644
--- a/projects/solidify-frontend/src/lib/components/routables/icon-app-summary/icon-app-summary.routable.scss
+++ b/projects/solidify-frontend/src/lib/components/routables/icon-app-summary/icon-app-summary.routable.scss
@@ -16,10 +16,6 @@
     height: 40px;
   }
 
-  .icon {
-
-  }
-
   .name,
   .lib,
   .icon-name-lib {
diff --git a/projects/solidify-frontend/src/lib/components/routables/maintenance-mode/maintenance-mode.routable.html b/projects/solidify-frontend/src/lib/components/routables/maintenance-mode/maintenance-mode.routable.html
index bf17c8af64c59d7c43c90b07e4fd3ef18d2e3ba2..fea90c100b5a1773a7faf648a4bd71f49042e807 100644
--- a/projects/solidify-frontend/src/lib/components/routables/maintenance-mode/maintenance-mode.routable.html
+++ b/projects/solidify-frontend/src/lib/components/routables/maintenance-mode/maintenance-mode.routable.html
@@ -5,6 +5,7 @@
 
 <div class="header">
   <img [src]="logo"
+       alt="maintenance logo"
        class="logo"
   >
 </div>
diff --git a/projects/solidify-frontend/src/lib/components/routables/maintenance-mode/maintenance-mode.routable.scss b/projects/solidify-frontend/src/lib/components/routables/maintenance-mode/maintenance-mode.routable.scss
index aa75f15b5d4078920c124c6ce7832cd62da7254c..e84a0a6c912d90db62a3e2b96f3da667cfc29763 100644
--- a/projects/solidify-frontend/src/lib/components/routables/maintenance-mode/maintenance-mode.routable.scss
+++ b/projects/solidify-frontend/src/lib/components/routables/maintenance-mode/maintenance-mode.routable.scss
@@ -13,7 +13,6 @@
         position: absolute;
         top: 0;
         left: 0;
-        position: absolute;
         animation-name: rotate;
         animation-duration: 4s;
         animation-iteration-count: infinite;
diff --git a/projects/solidify-frontend/src/lib/components/routables/server-offline-mode/server-offline-mode.routable.html b/projects/solidify-frontend/src/lib/components/routables/server-offline-mode/server-offline-mode.routable.html
index 62cca271c61517417aa9738e28bc784542a4f294..c2d2770dfccd3c217a43191c1107c38aa54ce73e 100644
--- a/projects/solidify-frontend/src/lib/components/routables/server-offline-mode/server-offline-mode.routable.html
+++ b/projects/solidify-frontend/src/lib/components/routables/server-offline-mode/server-offline-mode.routable.html
@@ -1,5 +1,6 @@
 <div class="header">
   <img [src]="logo"
+       alt="server offline logo"
        class="logo"
   >
 </div>
diff --git a/projects/solidify-frontend/src/lib/scss/abstracts/_abstracts.scss b/projects/solidify-frontend/src/lib/scss/abstracts/_abstracts.scss
index b8d030a16099d67b9e2321a4239aef1da0e5097e..d3777fb385ced9845a60378c433361a25bb274f1 100644
--- a/projects/solidify-frontend/src/lib/scss/abstracts/_abstracts.scss
+++ b/projects/solidify-frontend/src/lib/scss/abstracts/_abstracts.scss
@@ -1,5 +1,3 @@
-@import "functions";
 @import "mixins";
-@import "placeholders";
 @import "variables";
 @import "zindex";
diff --git a/projects/solidify-frontend/src/lib/scss/abstracts/_functions.scss b/projects/solidify-frontend/src/lib/scss/abstracts/_functions.scss
deleted file mode 100644
index e69de29bb2d1d6434b8b29ae775ad8c2e48c5391..0000000000000000000000000000000000000000
diff --git a/projects/solidify-frontend/src/lib/scss/abstracts/_placeholders.scss b/projects/solidify-frontend/src/lib/scss/abstracts/_placeholders.scss
deleted file mode 100644
index e69de29bb2d1d6434b8b29ae775ad8c2e48c5391..0000000000000000000000000000000000000000
diff --git a/projects/solidify-frontend/src/lib/scss/layout/_dialogs.scss b/projects/solidify-frontend/src/lib/scss/layout/_dialogs.scss
index 15dee014931f9d5a20770fae69926fd0746b01e2..cb453b7399dde9d7c09482680a5cc77af8c560d7 100644
--- a/projects/solidify-frontend/src/lib/scss/layout/_dialogs.scss
+++ b/projects/solidify-frontend/src/lib/scss/layout/_dialogs.scss
@@ -49,7 +49,7 @@ $total-height-footer: $height-footer + ($padding-top-bottom-footer * 2);
         .mat-dialog-actions {
           display: flex;
           align-items: center;
-          justify-content: flex-end;;
+          justify-content: flex-end;
 
           @include respond-to-breakpoint('xs') {
             position: fixed;
diff --git a/projects/solidify-frontend/src/lib/scss/main.scss b/projects/solidify-frontend/src/lib/scss/main.scss
index c8861d30d25bc5f8372434a8d7350ef814a30152..a9cfdd02a30ff06af251ca47c32608caa2d9f5bb 100644
--- a/projects/solidify-frontend/src/lib/scss/main.scss
+++ b/projects/solidify-frontend/src/lib/scss/main.scss
@@ -1,8 +1,6 @@
 @import "layout/grid";
 @import "abstracts/variables";
 @import "abstracts/mixins";
-@import "abstracts/functions";
-@import "abstracts/placeholders";
 @import '~@angular/material/theming';
 @import "base/typography";
 @import "layout/dialogs";
diff --git a/projects/solidify-frontend/src/lib/scss/override/default-browser-override.scss b/projects/solidify-frontend/src/lib/scss/override/default-browser-override.scss
index 5377af7092567c8f2a3b1099eed4bcec16f3f414..e8b1807ca896d3ed465d837ab97a5c6ff1bb0fdb 100644
--- a/projects/solidify-frontend/src/lib/scss/override/default-browser-override.scss
+++ b/projects/solidify-frontend/src/lib/scss/override/default-browser-override.scss
@@ -219,9 +219,6 @@ button[solidifyAlternativeButton] {
   white-space: pre-line;
 }
 
-.touranchor--is-active {
-}
-
 ::placeholder {
   color: $light-grey !important;
 }