Icon tweaks, IE button fix

src/less/plyr.less

@@ -199,9 +199,9 @@
     left: 0;
     width: 100%;
     padding: (@plyr-control-spacing * 2);
-    transform: translateY(-(@plyr-control-spacing * 6));
+    transform: translateY(-(@plyr-control-spacing * 4));
     transition: transform .3s ease;
-    color: #fff;
+    color: @plyr-captions-color;
     font-size: @plyr-font-size-captions-base;
     text-align: center;
     font-weight: 400;
@@ -209,7 +209,7 @@
     span {
         border-radius: 2px;
         padding: floor(@plyr-control-spacing / 3) @plyr-control-spacing;
-        background: fade(#000, 85%);
+        background: @plyr-captions-bg;
     }
     span:empty {
         display: none;
@@ -226,7 +226,7 @@
     font-size: @plyr-font-size-captions-large;
 }
 .plyr--hide-controls .plyr__captions {
-    transform: translateY(-(@plyr-control-spacing * 2));
+    transform: translateY(-(@plyr-control-spacing * 1.5));
 }
 
 // Controls
@@ -263,8 +263,9 @@
         position: relative;
         display: inline-block;
         flex-shrink: 0;
+        overflow: visible; // IE11
         vertical-align: middle;
-        padding: (@plyr-control-spacing / 2);
+        padding: (@plyr-control-spacing * .7);
         border: 0;
         background: transparent;
         border-radius: 3px;
@@ -298,9 +299,6 @@
         .plyr__time {
             margin-left: @plyr-control-spacing;
         }
-        button {
-            padding: (@plyr-control-spacing / 2) @plyr-control-spacing;
-        }
     }
 }
 // Hide controls 
@@ -328,11 +326,6 @@
             color: @plyr-video-control-color-hover;
         }
     }
-
-    @media (min-width: @plyr-bp-screen-sm) {
-        padding-left: (@plyr-control-spacing * 1.5);
-        padding-right: (@plyr-control-spacing * 1.5);
-    }
 }
 
 // Audio controls
@@ -431,7 +424,6 @@
 
     opacity: 0;
     background: @plyr-tooltip-bg;
-    box-shadow: @plyr-tooltip-shadow;
     border-radius: @plyr-tooltip-radius;
 
     color: @plyr-tooltip-color;
@@ -542,12 +534,14 @@
         max-width: 99%;
         border-top-right-radius: 0;
         border-bottom-right-radius: 0;
+        transition: none;
     }
     &::-moz-progress-bar {
         min-width: @plyr-range-track-height;
         max-width: 99%;
         border-top-right-radius: 0;
         border-bottom-right-radius: 0;
+        transition: none;
     }
     &::-ms-fill {
         display: none;