pivotalexperimental/style-guide

.style-guide-navigation-button {
  font-weight: normal;

  font-size: 18px;
  line-height: 18px;
  margin: 7px 10px;
  padding: 3px 10px;

  cursor: pointer;
  color: #888;
  text-shadow: 0 0 30px rgba(0,0,0,0.15);

  -webkit-user-select: none;
     -moz-user-select: -moz-none;
   -khtml-user-select: none;
          user-select: none;
}

.style-guide-navigation-button:hover {
  background-color: white;
  -webkit-box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15), 0 0 2px rgba(0, 0, 0, .1);
     -moz-box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15), 0 0 2px rgba(0, 0, 0, .1);
          box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15), 0 0 2px rgba(0, 0, 0, .1);
}

.style-guide-navigation-button:active {
  background-color: white;
  text-shadow: 0 1px 1px rgba(0,0,0,0.1);
  -webkit-box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.25), 0 1px 0 white;
     -moz-box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.25), 0 1px 0 white;
          box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.25), 0 1px 0 white;
}