JSFiddle - React, Tailwind, and code Playground
HTML
<span class="range-wrap"><input class="size" type="range" name="size" min="1" max="6" value="6""></span>
CSS
.range-wrap {
overflow: hidden;
}
input[type='range']::-moz-range-track {
height: 4px;
border: none;
outline: none;
background: #bebebe;
border-radius: 2px;
-moz-transform: translateY(10em)
}
input[type='range']::-moz-range-thumb {
border: none;
background: #000;
width: 10px;
height: 10px;
border-radius: 13px;
-moz-transform: translateY(10em);
}
input[type='range'], input[type='range']:focus, input[type='range']:active, input[type='range']::-moz-focus-inner, input[type='range']:-moz-focusring {
border: 1px solid red;
outline: none;
position: relative;
-moz-transform: translateY(-10em);
}