/*  Ripple */
.ripple {  
    z-index: 0;
    box-shadow: 0 2px 5px 0 rgba(0, 0, 0, 0.16), 0 2px 10px 0 rgba(0, 0, 0, 0.12);
    -webkit-transition: all 0.2s ease;
    -moz-transition: all 0.2s ease;
    -o-transition: all 0.2s ease;
    transition: all 0.2s ease;
}

.ripple:hover {
    box-shadow: 0 5px 11px 0 rgba(0, 0, 0, 0.18), 0 4px 15px 0 rgba(0, 0, 0, 0.15);
}

.ink {
    display: block;
    position: absolute;
    background: rgba(255, 255, 255, 0.4);
    border-radius: 100%;
    -webkit-transform: scale(0);
    -moz-transform: scale(0);
    -o-transform: scale(0);
    transform: scale(0);
}

.animate {
    -webkit-animation: ripple 0.55s linear;
    -moz-animation: ripple 0.55s linear;
    -ms-animation: ripple 0.55s linear;
    -o-animation: ripple 0.55s linear;
    animation: ripple 0.55s linear;
}

@-webkit-keyframes ripple {
    100% {
        opacity: 0;
        -webkit-transform: scale(2.5);
        transform: scale(2.5);
    }
}

@-moz-keyframes ripple {
    100% {
        opacity: 0;
        -moz-transform: scale(2.5);
        transform: scale(2.5);
    }
}

@-o-keyframes ripple {
    100% {
        opacity: 0;
        -o-transform: scale(2.5);
        transform: scale(2.5);
    }
}

@keyframes ripple {
    100% {
        opacity: 0;
        transform: scale(2.5);
    }
}