fix(button): update to match design spec

Closes #1987

src/components/button/button.scss

@@ -52,14 +52,13 @@ $button-fab-toast-offset: $button-fab-height * 0.75;
   overflow: hidden;   // for ink containment
 
   transition: box-shadow $swift-ease-out-duration $swift-ease-out-timing-function,
-              background-color $swift-ease-out-duration $swift-ease-out-timing-function,
-              transform $swift-ease-out-duration $swift-ease-out-timing-function;
+              background-color $swift-ease-out-duration $swift-ease-out-timing-function;
 
   &:focus {
     outline: none;
   }
 
-  &:hover {
+  &:hover, &:focus {
     text-decoration: none;
   }
 
@@ -77,13 +76,15 @@ $button-fab-toast-offset: $button-fab-height * 0.75;
   }
 
   &.md-raised {
-    transform: translate3d(0, 0, 0);
-
     &:not([disabled]) {
       @extend .md-shadow-bottom-z-1;
     }
   }
 
+  &:not(.md-fab) {
+    min-width: 5.500rem;
+  }
+
   &.md-fab {
 
     @include fab-position(bottom-right, auto, ($button-fab-width - $button-fab-padding)/2, ($button-fab-height - $button-fab-padding)/2, auto);
@@ -101,10 +102,8 @@ $button-fab-toast-offset: $button-fab-height * 0.75;
     background-clip: padding-box;
     overflow: hidden;
 
-    transform: translate3d(0,0,0);
-
     transition: 0.2s linear;
-    transition-property: transform, box-shadow;
+    transition-property: background-color, box-shadow;
     .md-ripple-container {
       border-radius: 50%;
       background-clip: padding-box;
@@ -120,16 +119,13 @@ $button-fab-toast-offset: $button-fab-height * 0.75;
     &.md-mini {
       width: $button-fab-mini-width;
       height: $button-fab-mini-height;
-      md-icon {
-      }
     }
 
   }
 
   &:not([disabled]) {
     &.md-raised,
     &.md-fab {
-        transform: translate3d(0, -1px, 0);
       &:focus {
         @extend .md-shadow-bottom-z-1;
       }

src/components/button/demoBasicUsage/style.css

@@ -1,6 +1,3 @@
-
-/** From vulcanized demo **/
-
 section {
   background: #f7f7f7;
   border-radius: 3px;
@@ -12,9 +9,6 @@ section {
 md-content {
   margin-right: 7px;
 }
-section .md-button:not(.md-fab) {
-  min-width: 10em;
-}
 section .md-button {
   display: block;
   margin: 1em;