* { box-sizing: border-box; }

input[type=range] { background-image: -webkit-gradient(linear, left top, right top, color-stop(0%, white), color-stop(0%, rgb(146,160,163))); background-image: -moz-linear-gradient(left center, white 0%, white 0%, rgb(146,160,163) 0%, rgb(146,160,163) 100%);}
input[type="range"]::-moz-range-track { border: none; background: none; outline: none; }
input[type=range]:focus { outline: none; border: none; }
input[type=range]::-webkit-slider-thumb { -webkit-appearance: none !important; background-color: white; height: 13px; width: 13px; border-radius: 50%; }
input[type=range]::-moz-range-thumb { -moz-appearance: none !important; background-color: white; border: none; height: 13px; width: 13px; border-radius: 50%; }

.show-img { 
    transition: width .4s,height .4s; 
}

@-webkit-keyframes rotation {
    from {  -webkit-transform: rotate(0deg); }
    to { -webkit-transform: rotate(359deg); }
}