.range-slider{background:#edecee;height:10px;margin:10px
auto;position:relative;border-radius:5px;box-shadow:0 0 5px rgba(0, 0, 0, 0.5) inset}.range-knob{background:#fff;border:1px
solid #aeaeb0;height:20px;width:20px;margin-top:-5px;margin-left:-10px;top:0;position:absolute;border-radius:100%}.range-knob:active,.range-knob:focus{box-shadow:0 0 10px rgba(0,0,0,0.3);outline:none;border-color:#90cafc}.range-area{position:absolute;background:#90cafc;height:100%;box-shadow:0 0 5px rgba(0, 0, 0, 0.5) inset}