Removed outline on some elements

src/sass/mup.sass

@@ -7,7 +7,7 @@ $slider-progress-color: red
 $slider-thumb-color: red
 $slider-thumb-height: calc(100% + 8px)
 $slider-thumb-width: 15px
-$slider-thumb-border-radius: 7px
+$slider-thumb-border-radius: 15px
 
 //# styles
 .mup-video
@@ -15,6 +15,9 @@ $slider-thumb-border-radius: 7px
   width: 100%
   margin: 0
   padding: 0
+  &:focus,
+  &:active
+    outline: none
 
 .mup-controls
   vertical-align: top
@@ -23,6 +26,12 @@ $slider-thumb-border-radius: 7px
   background: #212121
   overflow: auto
 
+  input:focus
+    outline: none
+  
+  button::-moz-focus-inner
+    border: none
+
   .mup-controls-left
     float: left
     margin: 0
@@ -36,10 +45,6 @@ $slider-thumb-border-radius: 7px
   .mup-control
     display: inline-block
     color: $text-color
-
-    &:focus
-      outline: none
-
     &:not(:last-child)
       margin-right: 10px