diff --git a/src/assets/css/dashboard.css b/src/assets/css/dashboard.css
index 2b6d97e06..736478556 100644
--- a/src/assets/css/dashboard.css
+++ b/src/assets/css/dashboard.css
@@ -22,7 +22,7 @@ progress {
     background: #ccc !important;
 }
 
-progress[role]:after {
+progress[role]::after {
     background-image: none;
 }
 
@@ -38,7 +38,7 @@ progress::-webkit-progress-value {
     background-color: #00a4dc;
 }
 
-progress[aria-valuenow]:before {
+progress[aria-valuenow]::before {
     border-radius: 0.4em;
     background-color: #00a4dc;
 }
diff --git a/src/assets/css/librarybrowser.css b/src/assets/css/librarybrowser.css
index 6ee1f63d5..af6501c17 100644
--- a/src/assets/css/librarybrowser.css
+++ b/src/assets/css/librarybrowser.css
@@ -824,7 +824,7 @@
     background-color: #c33;
 }
 
-.recordingProgressBar[aria-valuenow]:before {
+.recordingProgressBar[aria-valuenow]::before {
     background-color: #c33;
 }