.daynight-container {
margin-left:auto;
margin-right:auto;
    overflow: visible;
    width: 761px;
    height: 761px;
    max-width: 50vw;
    max-height: 50vw;
}
.daynight-container figure {
    background-image: url(../images/night.png);
    background-size: cover;
    font-size: 0;
    height: 100%;
    margin: 0;
    position: relative;
    width: 100%;
}
#daynight-compare {
    background-image: url(../images/day.png);
    background-size: cover;
    bottom: 0;
    border-right: 3px solid #f36227;

    box-shadow: 10px 0 15px -13px #000;
    height: 100%;
    max-width: 100%;
    min-width: 0%;
    overflow: visible;
    position: absolute;
    width: 50%;
    animation: first 2s 1 normal ease-in-out 0.1s;
    -webkit-animation: first 2s 1 normal ease-in-out 0.1s;
}
input#daynight-slider {
    -moz-appearance: none;
    -webkit-appearance: none;
    border: none;
    background: transparent;
    cursor: col-resize;
    height: 100%;
    left: 0;
    margin: 0;
    outline: none;
    padding: 0;
    position: relative;
    top: -100%;
    width: 100%;
}
input#daynight-slider::-moz-range-track {
    background: transparent;
}
input#daynight-slider::-ms-track {
    border: none;
    background-color: transparent;
    height: 100vw;
    left: 0;
    outline: none;
    position: relative;
    top: -100vw;
    width: 100%;
    margin: 0;
    padding: 0;
    cursor: col-resize;
    color:transparent;
}
input#daynight-slider::-ms-fill-lower {
    background-color:transparent;
}
input#daynight-slider::-webkit-slider-thumb {
    -webkit-appearance:none;
    height: 100vw;
    width: 0.5%;
    opacity: 0;
}
input#daynight-slider::-moz-range-thumb {
    -moz-appearance: none;
    height: 100vw;
    width: 0.5%;
    opacity: 0;
}
input#daynight-slider::-ms-thumb {
    height: 100vw;
    width: 0.5%;
    opacity:0;
}
input#daynight-slider::-ms-tooltip {
    display:none;
}
#daynight-compare::before {
    background: url(../images/drag.png) no-repeat scroll 0 center transparent;
    background-size:contain;
    content: " ";
    float: right;
    height: 100%;
    margin-right: -26px;
    position: relative;
    top:0;
    width: 50px;
}
@keyframes first {
    0% {width: 0%; }
    50% {width: 80%; }
    100% {width: 50%; }
}
@-webkit-keyframes first {
    0% {width: 0%; }
    50% {width: 80%; }
    100% {width: 50%; }
}

@media screen and (max-width: 810px) {
    .daynight-container {
        width: 90vw;
        height: 90vw;
        max-width: 810px;
        max-height: 810px;
    }
}

@media screen and (max-width: 479px) {
    .daynight-container {
        width: 100vw;
        height: 100vw;
        max-width: 835px;
        max-height: 835px;
    }
}