app/assets/stylesheets/mousetrap.css
.mt-hotkey-el {
position: relative; }
a[data-keybinding] .mt-hotkey-hint {
display: block;
float: right;
position: absolute;
top: -4px;
right: -4px;
z-index: 999;
font: bold 13px/1em sans-serif;
text-decoration: none;
text-indent: 0;
text-align: center;
vertical-align: center;
margin: 0;
padding: 0.3ex 0.7ex;
background: beige;
color: black;
text-shadow: 1px 1px 0 white;
box-shadow: 1px 1px 0 #333333;
border-radius: 5px;
border: 1px solid #888888;
opacity: 0.75;
-webkit-transition: all 0.15s linear;
-moz-transition: all 0.15s linear;
-o-transition: all 0.15s linear;
-ms-transition: all 0.15s linear;
transition: all 0.15s linear; }
a[data-keybinding] .mt-hotkey-hint:hover {
background: white;
opacity: 1;
-webkit-transform: scale(1.25);
-moz-transform: scale(1.25);
-o-transform: scale(1.25);
-ms-transform: scale(1.25);
transform: scale(1.25); }