/* Bounce To Bottom */
.Sbottom {
    display: inline-block;
    vertical-align: middle;
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
    box-shadow: 0 0 1px rgba(0, 0, 0, 0);
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    -moz-osx-font-smoothing: grayscale;
    position: relative;
    -webkit-transition-property: color;
    transition-property: color;
    cursor: pointer;
    text-decoration: none;
    color: #FF0;
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
    width: 100%;
    background-position: center center;
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover;
    background-size: cover;

}

.Sbottom:before {
    content: "";
    position: absolute;
    z-index: -1;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    -webkit-transform: scaleY(0);
    transform: scaleY(0);
    -webkit-transform-origin: 50% 0;
    transform-origin: 50% 0;
    -webkit-transition-property: transform;
    transition-property: transform;

    -webkit-transition-timing-function: ease-out;
    transition-timing-function: ease-out;
}

.Sbottom:hover, .Sbottom:focus, .Sbottom:active {
    color: #ffffff;
}

.Sbottom:hover:before, .Sbottom:focus:before, .Sbottom:active:before {
    -webkit-transform: scaleY(1);
    transform: scaleY(1);

}

.Sbottom span {
    display: none;
}

.Sbottom:hover span {
    display: block;
}