diff --git a/bigbluebutton-html5/imports/ui/components/actions-bar/desktop-share/component.jsx b/bigbluebutton-html5/imports/ui/components/actions-bar/desktop-share/component.jsx
index c50ed5eaf84d1bdccbed0c3368c87786429d7eb6..1a2ce6c29e26c8117a76fd09ba073bdadc06c6d1 100755
--- a/bigbluebutton-html5/imports/ui/components/actions-bar/desktop-share/component.jsx
+++ b/bigbluebutton-html5/imports/ui/components/actions-bar/desktop-share/component.jsx
@@ -75,7 +75,7 @@ const DesktopShare = ({
           intlMessages.stopDesktopShareLabel : intlMessages.desktopShareLabel)}
       description={intl.formatMessage(isVideoBroadcasting ?
           intlMessages.stopDesktopShareDesc : intlMessages.desktopShareDesc)}
-      color={isVideoBroadcasting ? 'primary' : ''}
+      color={isVideoBroadcasting ? 'primary' : 'default'}
       ghost={!isVideoBroadcasting}
       hideLabel
       circle
diff --git a/bigbluebutton-html5/imports/ui/components/actions-bar/styles.scss b/bigbluebutton-html5/imports/ui/components/actions-bar/styles.scss
index 7dd2005f578a073ad6ee6a133a468942c30cb048..7619bf7adca27ee4fba95d6505aed73b602ed7be 100644
--- a/bigbluebutton-html5/imports/ui/components/actions-bar/styles.scss
+++ b/bigbluebutton-html5/imports/ui/components/actions-bar/styles.scss
@@ -51,10 +51,10 @@
     box-shadow: none;
     background-color: transparent !important;
     color: var(--color-white) !important;
-    border: 1.5px solid var(--color-white);
+    border: 1.5px solid var(--color-white) !important;
   }
 
   span:hover {
-    border: 1.5px solid rgba(255,255,255, .5);
+    border: 1.5px solid rgba(255,255,255, .5) !important;
   }
 }
\ No newline at end of file
diff --git a/bigbluebutton-html5/imports/ui/components/audio/audio-controls/component.jsx b/bigbluebutton-html5/imports/ui/components/audio/audio-controls/component.jsx
index 56d0e7c2c5aacc32d0d9fa1f561bf0d6a8c59d50..dc2bc885d7ae4102c909ddcc3080612abba08e16 100644
--- a/bigbluebutton-html5/imports/ui/components/audio/audio-controls/component.jsx
+++ b/bigbluebutton-html5/imports/ui/components/audio/audio-controls/component.jsx
@@ -79,7 +79,7 @@ class AudioControls extends Component {
               intl.formatMessage(intlMessages.muteAudio)}
             aria-label={unmute ? intl.formatMessage(intlMessages.unmuteAudio) :
               intl.formatMessage(intlMessages.muteAudio)}
-            color={!unmute ? 'primary' : ''}
+            color={!unmute ? 'primary' : 'default'}
             ghost={unmute}
             icon={unmute ? 'mute' : 'unmute'}
             size="lg"
@@ -95,7 +95,7 @@ class AudioControls extends Component {
             intl.formatMessage(intlMessages.joinAudio)}
           label={join ? intl.formatMessage(intlMessages.leaveAudio) :
             intl.formatMessage(intlMessages.joinAudio)}
-          color={join ? 'primary' : ''}
+          color={join ? 'primary' : 'default'}
           icon={join ? 'audio_on' : 'audio_off'}
           size="lg"
           circle
diff --git a/bigbluebutton-html5/imports/ui/components/button/styles.scss b/bigbluebutton-html5/imports/ui/components/button/styles.scss
index 170732b7c44007a34b0b9a44392b7e8207cec14e..70a37f4150d7571a8d176bc1796aff102c23d25a 100644
--- a/bigbluebutton-html5/imports/ui/components/button/styles.scss
+++ b/bigbluebutton-html5/imports/ui/components/button/styles.scss
@@ -143,8 +143,8 @@
   margin: 0 !important;
   padding: 0 !important;
   overflow: hidden;
-  display: block;
-  border: 0 !important; 
+  display: none !important;
+  
 }
 
 .icon {
diff --git a/bigbluebutton-html5/imports/ui/components/video-provider/video-menu/component.jsx b/bigbluebutton-html5/imports/ui/components/video-provider/video-menu/component.jsx
index 6a7d134f940fe9ffe80ae9ced7b3be2c646153e2..88ed1f14a20b9de2aa2fec811ccc76b07f1eaa65 100755
--- a/bigbluebutton-html5/imports/ui/components/video-provider/video-menu/component.jsx
+++ b/bigbluebutton-html5/imports/ui/components/video-provider/video-menu/component.jsx
@@ -69,7 +69,7 @@ const JoinVideoOptions = ({
           onClick={() => null}
           hideLabel
           aria-label={intl.formatMessage(intlMessages.videoMenuDesc)}
-          color={isSharingVideo ? 'primary' : ''}
+          color={isSharingVideo ? 'primary' : 'default'}
           icon={isSharingVideo ? 'video' : 'video_off'}
           ghost={!isSharingVideo}
           size="lg"