JSFiddle - React, Tailwind, and code Playground

HTML

<div class="calculator">
  <form action="">
    <div class="control">
      <div class="horizontal-wrapper">
        <input class="control__slider" id="input-range-year" type="range" min="1" max="40" value="30" step="1">
        <input class="control__input" type="number" value="30">
      </div>
    </div>
    <div class="control">
      <div class="horizontal-wrapper">
        <input class="control__slider" id="input-range-year" type="range" min="1" max="40" value="30" step="1">
        <input class="control__input" type="number" value="30">
      </div>
    </div>
    


  </form>
</div>

CSS

html {
  box-sizing: border-box;
  font-size: 16px;
}

*,
*:before,
*:after {
  box-sizing: inherit;
}

input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

input[type="range"]:focus {
  outline: none;
}

input[type="range"] {
  margin: auto;
  -webkit-appearance: none;
  position: relative;
  overflow: hidden;
  height: 0.66em;
  width: 100%;
  cursor: pointer;
  border-radius: 0;
  /* iOS */
}

::-webkit-slider-runnable-track {
  background: #ddd;
}

::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px;
  /* 1 */
  height: 40px;
  background: #fff;
  box-shadow: -100vw 0 0 100vw dodgerblue;
  border: 2px solid #999;
  /* 1 */
}

::-moz-range-track {
  height: 0.25em;
  background: #ddd;
}

::-moz-range-thumb {
  background: #fff;
  height: 40px;
  width: 20px;
  border: 3px solid #999;
  border-radius: 0 !important;
  box-shadow: -100vw 0 0 100vw dodgerblue;
  box-sizing: border-box;
}

::-ms-fill-lower {
  background: dodgerblue;
}

::-ms-thumb {
  background: #fff;
  border: 2px solid #999;
  height: 40px;
  width: 20px;
  box-sizing: border-box;
}

::-ms-ticks-after {
  display: none;
}

::-ms-ticks-before {
  display: none;
}

::-ms-track {
  background: #ddd;
  color: transparent;
  height: 0.25em;
  border: none;
}

::-ms-tooltip {
  display: none;
}

body,
h1,
h2,
h3,
h4,
h5,
h6,
p,
ol,
ul {
  margin: 0;
  padding: 0;
}

header,
.calculator {
  font-size: 1rem;
}

.calculator {
  font-size: 0.75em;
  margin-top: 1.3125em;
  border-radius: 4px;
  box-shadow: 0 2px 6px 2px rgba(0, 0, 0, 0.1);
  padding: 1.25em;
}

.horizontal-wrapper {
  display: flex;
  align-items: center;
}

.control__input {
  width: 3.25em;
  height: 2.5em;
}

.control__slider {
  width: 100%;
}

.control__min-val,
control__max-val {
  width: 1.3125em;
}