css - html input range thumb smooth movement -


i have html input range set bunch of css changes appearance, , wondering if there way make smoothly change wherever user changes?

input[type=range] {          -webkit-appearance: none;          width: 100%;          height: 20px;          border-radius: 5px;          border: 1px solid;          background: none;          box-shadow: 0px 0px 8px 0px #555, 0px 0px 25px 0px #555 inset;          transition: 0.4s ease-out;          outline: none;      }        input[type=range]::-webkit-slider-thumb {          -webkit-appearance: none;          width: 30px;          height: 30px;          background-color: #ccc;          border: solid 1px #333;          border-radius: 4px;          box-shadow: 0px 0px 8px 0px #555, 0px 0px 25px 0px #555 inset;          cursor: pointer;          transition: 0.4s ease-out;      }        input[type=range]:hover {          background: rgba(255, 255, 255, 0.2);          box-shadow: 0px 0px 13px 0px #444, 0px 0px 20px 0px #444 inset;      }        input[type=range]:hover::-webkit-slider-thumb {          border: solid 1px #444;          box-shadow: 0px 0px 15px 0px #444, 0px 0px 20px 0px #444 inset;      }        input[type=range]:focus {          background: rgba(255, 255, 255, 0.4);          box-shadow: 0px 0px 18px 0px #333, 0px 0px 15px 0px #333 inset;      }        input[type=range]:focus::-webkit-slider-thumb {          border: solid 1px #333;          box-shadow: 0px 0px 22px 0px #333, 0px 0px 15px 0px #333 inset;      }
<input type="range" id="brightness_slider" value="90" step="1" min="30" max="100">

these things affect smoothness:

  1. the width of banner
  2. the min/max range
  3. the size of steps

so if have:

  1. 1000px wide range input
  2. 0 - 1000 range
  3. step size of 1

each step 1px, , quite smooth.

if have:

  1. 1000px wide range input
  2. 0 -100 range
  3. step size of 25

it snap between allowable values, appearing less fluid.

this feature of interaction between step size , range, , provides useful feedback user on values acceptable.


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