/*from https://www.w3schools.com/howto/howto_js_rangeslider.asp*/

.slidecontainer {
    width: 100%; /* Width of the outside container */
}

/* The slider itself */
.slider {
    -webkit-appearance: none;
    width: 100%;
    height: 15px;
    border-radius: 5px;   
    background: #d3d3d3;
    outline: none;
    opacity: 0.7;
    -webkit-transition: .2s;
    transition: opacity .2s;
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 25px;
    height: 25px;
    border-radius: 50%; 
    background: #337ab7;
    cursor: pointer;
}

.slider::-moz-range-thumb {
    width: 25px;
    height: 25px;
    border-radius: 50%;
    background: #337ab7;
    cursor: pointer;
}