div.cs-skin-elastic {
    font: 16px/36px 'pfbeausanspro-reg';
    color: #6a778a;
}

@media screen and (max-width: 640px) {
    div.cs-skin-elastic {
        text-align: center
    }
}

.cs-skin-elastic > span {
    z-index: 10;
}

.cs-skin-elastic > span::after {
    content: '';
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    width: 15px;
    height: 8px;
    background: url("../images/elastic.png") no-repeat scroll 0 0 transparent;
}

.cs-skin-elastic .cs-options {
    overflow: visible;
    background: transparent;
    opacity: 1;
    visibility: visible;
    padding-bottom: 1.25em;
    pointer-events: none;
}

.cs-skin-elastic.cs-active .cs-options {
    pointer-events: auto;
}

.cs-skin-elastic .cs-options > ul::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    left: 0;
    top: 0;
    -webkit-transform: scale3d(1, 0, 1);
    transform: scale3d(1, 0, 1);
    background: #ffffff;
    -webkit-transform-origin: 50% 0%;
    transform-origin: 50% 0%;
    -webkit-transition: -webkit-transform 0.3s;
    transition: transform 0.3s;
}

.cs-skin-elastic.cs-active .cs-options > ul::before {
    -webkit-transform: scale3d(1, 1, 1);
    transform: scale3d(1, 1, 1);
    -webkit-transition: none;
    transition: none;
    -webkit-animation: expand 0.6s ease-out;
    animation: expand 0.6s ease-out;
}

.cs-skin-elastic .cs-options ul li {
    opacity: 0;
    -webkit-transform: translate3d(0, -25px, 0);
    transform: translate3d(0, -25px, 0);
    -webkit-transition: opacity 0.15s, -webkit-transform 0.15s;
    transition: opacity 0.15s, transform 0.15s;
}

.cs-skin-elastic.cs-active .cs-options ul li {
    -webkit-transform: translate3d(0, 0, 0);
    transform: translate3d(0, 0, 0);
    opacity: 1;
    -webkit-transition: none;
    transition: none;
    -webkit-animation: bounce 0.6s ease-out;
    animation: bounce 0.6s ease-out;
}

/* Optional delays (problematic in IE 11/Win) */
/*
.cs-skin-elastic.cs-active .cs-options ul li:first-child {
	-webkit-animation-delay: 0.1s;
	animation-delay: 0.1s;
}

.cs-skin-elastic.cs-active .cs-options ul li:nth-child(2) {
	-webkit-animation-delay: 0.15s;
	animation-delay: 0.15s;
}

.cs-skin-elastic.cs-active .cs-options ul li:nth-child(3) {
	-webkit-animation-delay: 0.2s;
	animation-delay: 0.2s;
}

.cs-skin-elastic.cs-active .cs-options ul li:nth-child(4) {
	-webkit-animation-delay: 0.25s;
	animation-delay: 0.25s;
} 

/* with more items, more delays declarations are needed */

.cs-skin-elastic .cs-options span {
    padding: 0 20px;
}

.cs-skin-elastic .cs-options span:hover,
.cs-skin-elastic .cs-options li.cs-focus span,
.cs-skin-elastic .cs-options .cs-selected span {
    color: #1e4c4a;
}

@-webkit-keyframes expand {
    0% {
        -webkit-transform: scale3d(1, 0, 1);
    }
    25% {
        -webkit-transform: scale3d(1, 1.2, 1);
    }
    50% {
        -webkit-transform: scale3d(1, 0.85, 1);
    }
    75% {
        -webkit-transform: scale3d(1, 1.05, 1)
    }
    100% {
        -webkit-transform: scale3d(1, 1, 1);
    }
}

@keyframes expand {
    0% {
        -webkit-transform: scale3d(1, 0, 1);
        transform: scale3d(1, 0, 1);
    }
    25% {
        -webkit-transform: scale3d(1, 1.2, 1);
        transform: scale3d(1, 1.2, 1);
    }
    50% {
        -webkit-transform: scale3d(1, 0.85, 1);
        transform: scale3d(1, 0.85, 1);
    }
    75% {
        -webkit-transform: scale3d(1, 1.05, 1);
        transform: scale3d(1, 1.05, 1);
    }
    100% {
        -webkit-transform: scale3d(1, 1, 1);
        transform: scale3d(1, 1, 1);
    }
}

@-webkit-keyframes bounce {
    0% {
        -webkit-transform: translate3d(0, -25px, 0);
        opacity: 0;
    }
    25% {
        -webkit-transform: translate3d(0, 10px, 0);
    }
    50% {
        -webkit-transform: translate3d(0, -6px, 0);
    }
    75% {
        -webkit-transform: translate3d(0, 2px, 0);
    }
    100% {
        -webkit-transform: translate3d(0, 0, 0);
        opacity: 1;
    }
}

@keyframes bounce {
    0% {
        -webkit-transform: translate3d(0, -25px, 0);
        transform: translate3d(0, -25px, 0);
        opacity: 0;
    }
    25% {
        -webkit-transform: translate3d(0, 10px, 0);
        transform: translate3d(0, 10px, 0);
    }
    50% {
        -webkit-transform: translate3d(0, -6px, 0);
        transform: translate3d(0, -6px, 0);
    }
    75% {
        -webkit-transform: translate3d(0, 2px, 0);
        transform: translate3d(0, 2px, 0);
    }
    100% {
        -webkit-transform: translate3d(0, 0, 0);
        transform: translate3d(0, 0, 0);
        opacity: 1;
    }
}