diff --git a/src/app/components/moderator/moderator-comment-list/moderator-comment-list.component.scss b/src/app/components/moderator/moderator-comment-list/moderator-comment-list.component.scss
index 8c2a3959dc7dce6e0bd3e73023013ae11a069fa2..7765513b09b8926e2422d4fece03166b0034d219 100644
--- a/src/app/components/moderator/moderator-comment-list/moderator-comment-list.component.scss
+++ b/src/app/components/moderator/moderator-comment-list/moderator-comment-list.component.scss
@@ -93,7 +93,7 @@ app-comment {
 }
 
 h3 {
-  font-size: 18pt!important;
+  font-size: 18pt !important;
   margin: 10px;
 }
 
@@ -127,8 +127,25 @@ h3 {
 
 .selected {
   color: var(--red) !important;
+  font-weight: bold;
+  animation-name: animation_blink_5s;
+  animation-timing-function: ease-in;
+  animation-duration: 2s;
+  animation-iteration-count: 2;
+  opacity: 1.0 !important;
+}
+
+@keyframes animation_blink_5s {
+  50% {
+    opacity: 0;
+  }
 }
 
 .active-filter .mat-icon {
-  color: var(--red);
+  color: var(--red) !important;
+  animation-name: animation_blink_5s;
+  animation-timing-function: ease-in;
+  animation-duration: 2s;
+  animation-iteration-count: 3;
+  opacity: 1.0 !important;
 }
diff --git a/src/app/components/shared/comment-list/comment-list.component.scss b/src/app/components/shared/comment-list/comment-list.component.scss
index dc47b596a283a5f922155b9a9184948de3462a6f..c64e33d06a5f9b9efd1b217d9610aa9e18784cd0 100644
--- a/src/app/components/shared/comment-list/comment-list.component.scss
+++ b/src/app/components/shared/comment-list/comment-list.component.scss
@@ -209,8 +209,25 @@ h3 {
 
 .selected {
   color: var(--red) !important;
+  font-weight: bold;
+  animation-name: animation_blink_5s;
+  animation-timing-function: ease-in;
+  animation-duration: 2s;
+  animation-iteration-count: 2;
+  opacity: 1.0 !important;
+}
+
+@keyframes animation_blink_5s {
+  50% {
+    opacity: 0;
+  }
 }
 
 .active-filter .mat-icon {
-  color: var(--red);
+  color: var(--red) !important;
+  animation-name: animation_blink_5s;
+  animation-timing-function: ease-in;
+  animation-duration: 2s;
+  animation-iteration-count: 3;
+  opacity: 1.0 !important;
 }
diff --git a/src/theme/blue-theme/blueTheme.const.ts b/src/theme/blue-theme/blueTheme.const.ts
index 85f26badaf59fe6994a01b26cd0a741462194ad1..fc6581f68e70fb4de5b3df55c1f0eaf9b80c2ffd 100644
--- a/src/theme/blue-theme/blueTheme.const.ts
+++ b/src/theme/blue-theme/blueTheme.const.ts
@@ -19,7 +19,7 @@ export const blue = {
   '--on-cancel': '#000000',
 
   '--green': '#4caf50',
-  '--red': '#f44336',
+  '--red': '#ff0000',
   '--yellow': '#FFD54F',
   '--blue': '#3f51b5',
   '--purple': '#9c27b0',
diff --git a/src/theme/dark-theme/darkTheme.const.ts b/src/theme/dark-theme/darkTheme.const.ts
index d3216a756695e87f8e58fc615589c9d3149ff986..7cd195e52e4cda842bbfcc4399efaba144af682a 100644
--- a/src/theme/dark-theme/darkTheme.const.ts
+++ b/src/theme/dark-theme/darkTheme.const.ts
@@ -21,7 +21,7 @@ export const dark = {
   '--on-cancel': '#ffffff',
 
   '--green': 'lightgreen',
-  '--red': 'Firebrick',
+  '--red': 'red',
   '--white': '#ffffff',
   '--yellow': 'yellow',
   '--blue': '#3f51b5',
diff --git a/src/theme/high-contrast-theme/highContrastTheme.const.ts b/src/theme/high-contrast-theme/highContrastTheme.const.ts
index 0909b93ea3370b0f30101977dbb756f4e5e1d41f..bb11ab8c351583856e9ec4c9b683e02fe15dfbd4 100644
--- a/src/theme/high-contrast-theme/highContrastTheme.const.ts
+++ b/src/theme/high-contrast-theme/highContrastTheme.const.ts
@@ -21,7 +21,7 @@ export const highcontrast = {
   '--on-cancel': '#ffffff',
 
   '--green': '#3ce933',
-  '--red': 'Firebrick',
+  '--red': 'red',
   '--white': '#ffffff',
   '--yellow': '#e9d533',
   '--blue': '#3833e9',
diff --git a/src/theme/light-theme/light-theme.ts b/src/theme/light-theme/light-theme.ts
index f4ab96792d1616df302fab362cbd2379342931ab..c26611a07aaa80341b53f6ed7d775e4838805d03 100644
--- a/src/theme/light-theme/light-theme.ts
+++ b/src/theme/light-theme/light-theme.ts
@@ -21,7 +21,7 @@ export const arsnova = {
   '--on-cancel': '#ffffff',
 
   '--green': '#00FF00',
-  '--red': 'Firebrick',
+  '--red': 'red',
   '--white': '#ffffff',
   '--yellow': 'red',
   '--blue': '#002878',
diff --git a/src/theme/purple-theme/purpleTheme.const.ts b/src/theme/purple-theme/purpleTheme.const.ts
index 165a12279729790c7af97eeb406d39968811ce2e..494418293f33ae7d60b34e4dad3f59aa666cddb5 100644
--- a/src/theme/purple-theme/purpleTheme.const.ts
+++ b/src/theme/purple-theme/purpleTheme.const.ts
@@ -21,7 +21,7 @@ export const purple = {
   '--on-cancel': '#ffffff',
 
   '--green': 'green',
-  '--red': 'Firebrick',
+  '--red': 'red',
   '--white': '#ffffff',
   '--yellow': 'red',
   '--blue': 'blue',