.vertical-center {
  margin: 0;
  position: absolute;
  top: 50%;
  -ms-transform: translateY(-50%);
  transform: translateY(-50%);
}

.small-button {
    width: 94px;
    height: 89px;
    position: absolute;
    background: url('transparent_button_small_sprite.png') no-repeat;
    background-position: -5px -5px;
    border: 0;
    display: block;
    -webkit-tap-highlight-color: transparent;
}

.small-button:focus {
    background: url('transparent_button_small_sprite.png') no-repeat;
    background-position: -5px -5px;
}

.small-button:active {
    background: url('transparent_button_small_sprite.png') no-repeat;
    background-position: -109px -5px;
}

.small-button-background {
    width: 86px;
    height: 84px;
    margin-top: 3px;
    margin-left: 3px;
    position: absolute;
}

.small-button-shadow {
    width: 94px;
    height: 89px;
    margin-bottom:5px;
    background: url('transparent_button_small_shadow.png') no-repeat;
}

.circle {
	border-radius: 50%;
}