range

bootstrap5.css

:root {
  --blue: #007bff;
  --indigo: #6610f2;
  --purple: #6f42c1;
  --pink: #e83e8c;
  --red: #dc3545;
  --orange: #fd7e14;
  --yellow: #ffc107;
  --green: #28a745;
  --teal: #20c997;
  --cyan: #17a2b8;
  --white: #fff;
  --gray: #6c757d;
  --gray-dark: #343a40;
  --primary: #007bff;
  --secondary: #6c757d;
  --success: #28a745;
  --info: #17a2b8;
  --warning: #ffc107;
  --danger: #dc3545;
  --light: #f8f9fa;
  --dark: #343a40;
  --breakpoint-xs: 0;
  --breakpoint-sm: 576px;
  --breakpoint-md: 768px;
  --breakpoint-lg: 992px;
  --breakpoint-xl: 1200px;
  --font-family-sans-serif: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
  --font-family-monospace: SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

bootstrap5.css

.form-control-file,
.form-control-range {
  display: block;
  width: 100%;
}

bootstrap5.css

.custom-range {
  width: 100%;
  height: calc(1rem + 0.4rem);
  padding: 0;
  background-color: transparent;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
}

bootstrap5.css

.custom-range:focus {
  outline: none;
}

bootstrap5.css

.custom-range:focus::-webkit-slider-thumb {
  box-shadow: 0 0 0 1px #fff, 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

bootstrap5.css

.custom-range:focus::-moz-range-thumb {
  box-shadow: 0 0 0 1px #fff, 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

bootstrap5.css

.custom-range:focus::-ms-thumb {
  box-shadow: 0 0 0 1px #fff, 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

bootstrap5.css

.custom-range::-moz-focus-outer {
  border: 0;
}

bootstrap5.css

.custom-range::-webkit-slider-thumb {
  width: 1rem;
  height: 1rem;
  margin-top: -0.25rem;
  background-color: #007bff;
  border: 0;
  border-radius: 1rem;
  transition: background-color 0.15s ease-in-out, border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
  -webkit-appearance: none;
  appearance: none;
}

bootstrap5.css

@media (prefers-reduced-motion: reduce) {
  .custom-range::-webkit-slider-thumb {
    transition: none;
  }
}

bootstrap5.css

.custom-range::-webkit-slider-thumb:active {
  background-color: #b3d7ff;
}

bootstrap5.css

.custom-range::-webkit-slider-runnable-track {
  width: 100%;
  height: 0.5rem;
  color: transparent;
  cursor: pointer;
  background-color: #dee2e6;
  border-color: transparent;
  border-radius: 1rem;
}

bootstrap5.css

.custom-range::-moz-range-thumb {
  width: 1rem;
  height: 1rem;
  background-color: #007bff;
  border: 0;
  border-radius: 1rem;
  transition: background-color 0.15s ease-in-out, border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
  -moz-appearance: none;
  appearance: none;
}

bootstrap5.css

@media (prefers-reduced-motion: reduce) {
  .custom-range::-moz-range-thumb {
    transition: none;
  }
}

bootstrap5.css

.custom-range::-moz-range-thumb:active {
  background-color: #b3d7ff;
}

bootstrap5.css

.custom-range::-moz-range-track {
  width: 100%;
  height: 0.5rem;
  color: transparent;
  cursor: pointer;
  background-color: #dee2e6;
  border-color: transparent;
  border-radius: 1rem;
}

bootstrap5.css

.custom-range::-ms-thumb {
  width: 1rem;
  height: 1rem;
  margin-top: 0;
  margin-right: 0.2rem;
  margin-left: 0.2rem;
  background-color: #007bff;
  border: 0;
  border-radius: 1rem;
  transition: background-color 0.15s ease-in-out, border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
  appearance: none;
}

bootstrap5.css

@media (prefers-reduced-motion: reduce) {
  .custom-range::-ms-thumb {
    transition: none;
  }
}

bootstrap5.css

.custom-range::-ms-thumb:active {
  background-color: #b3d7ff;
}

bootstrap5.css

.custom-range::-ms-track {
  width: 100%;
  height: 0.5rem;
  color: transparent;
  cursor: pointer;
  background-color: transparent;
  border-color: transparent;
  border-width: 0.5rem;
}

bootstrap5.css

.custom-range::-ms-fill-lower {
  background-color: #dee2e6;
  border-radius: 1rem;
}

bootstrap5.css

.custom-range::-ms-fill-upper {
  margin-right: 15px;
  background-color: #dee2e6;
  border-radius: 1rem;
}

bootstrap5.css

.custom-range:disabled::-webkit-slider-thumb {
  background-color: #adb5bd;
}

bootstrap5.css

.custom-range:disabled::-webkit-slider-runnable-track {
  cursor: default;
}

bootstrap5.css

.custom-range:disabled::-moz-range-thumb {
  background-color: #adb5bd;
}

bootstrap5.css

.custom-range:disabled::-moz-range-track {
  cursor: default;
}

bootstrap5.css

.custom-range:disabled::-ms-thumb {
  background-color: #adb5bd;
}

html bootstrap5 Sample

レンジ入力：form-control-range

  <!-- レンジ上の●をマウスで動かして入力させる -->
  <form>
    <div class="form-group">
      <label for="formControlRange">レンジ入力の例</label>
      <input type="range" class="form-control-range" id="formControlRange">
    </div>
  </form>

カスタムレンジ入力：custom-range

  <!-- レンジ上の●をマウスで動かして入力させる -->
  <form>
    <div class="form-group mb-5">
      <label for="customRange1">カスタムレンジ入力の例</label>
      <input type="range" class="custom-range" id="customRange1">
    </div>
    <div class="form-group mb-5">
      <label for="customRange2">0－５まで（min="0",max="5"）</label>
      <input type="range" class="custom-range" min="0" max="5" id="customRange2">
    </div>
    <div class="form-group mb-5">
      <label for="customRange3">0－５まで、0.5刻み（step="0.5"）</label>
      <input type="range" class="custom-range" min="0" max="5" step="0.5" id="customRange3">
    </div>
  </form>