物化范围滑块延迟

Question

＆＃13;

＆＃13;

.range-field {
  position: relative;
}

input[type=range],
input[type=range]+.thumb {
  cursor: pointer;
}

input[type=range] {
  position: relative;
  background-color: transparent;
  border: none;
  outline: none;
  width: 100%;
  margin: 15px 0;
  padding: 0;
}

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

input[type=range]+.thumb {
  position: absolute;
  top: 10px;
  left: 0;
  border: none;
  height: 0;
  width: 0;
  border-radius: 50%;
  background-color: #26a69a;
  margin-left: 7px;
  -webkit-transform-origin: 50% 50%;
  transform-origin: 50% 50%;
  -webkit-transform: rotate(-45deg);
  transform: rotate(-45deg);
}

input[type=range]+.thumb .value {
  display: block;
  width: 30px;
  text-align: center;
  color: #26a69a;
  font-size: 0;
  -webkit-transform: rotate(45deg);
  transform: rotate(45deg);
}

input[type=range]+.thumb.active {
  border-radius: 50% 50% 50% 0;
}

input[type=range]+.thumb.active .value {
  color: #fff;
  margin-left: -1px;
  margin-top: 8px;
  font-size: 10px;
}

input[type=range] {
  -webkit-appearance: none;
}

input[type=range]::-webkit-slider-runnable-track {
  height: 3px;
  background: #c2c0c2;
  border: none;
}

input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none;
  border: none;
  height: 14px;
  width: 14px;
  border-radius: 50%;
  background-color: #26a69a;
  -webkit-transform-origin: 50% 50%;
  transform-origin: 50% 50%;
  margin: -5px 0 0 0;
  -webkit-transition: .3s;
  transition: .3s;
}

input[type=range]:focus::-webkit-slider-runnable-track {
  background: #ccc;
}

input[type=range] {
  /* fix for FF unable to apply focus style bug  */
  border: 1px solid white;
  /*required for proper track sizing in FF*/
}

input[type=range]::-moz-range-track {
  height: 3px;
  background: #ddd;
  border: none;
}

input[type=range]::-moz-range-thumb {
  border: none;
  height: 14px;
  width: 14px;
  border-radius: 50%;
  background: #26a69a;
  margin-top: -5px;
}

input[type=range]:-moz-focusring {
  outline: 1px solid #fff;
  outline-offset: -1px;
}

input[type=range]:focus::-moz-range-track {
  background: #ccc;
}

input[type=range]::-ms-track {
  height: 3px;
  background: transparent;
  border-color: transparent;
  border-width: 6px 0;
  /*remove default tick marks*/
  color: transparent;
}

input[type=range]::-ms-fill-lower {
  background: #777;
}

input[type=range]::-ms-fill-upper {
  background: #ddd;
}

input[type=range]::-ms-thumb {
  border: none;
  height: 14px;
  width: 14px;
  border-radius: 50%;
  background: #26a69a;
}

input[type=range]:focus::-ms-fill-lower {
  background: #888;
}

input[type=range]:focus::-ms-fill-upper {
  background: #ccc;
}

＆＃13;

<p class="range-field">
  <i class="material-icons prefix"></i>
  <input type="range" id="range1" min="0" max="10" value="0" />
</p>

＆＃13;

＆＃13;

＆＃13;

问题是当沿着轨道拖动拇指弹出值不是直接在拇指上方here

沿着轨道拖动拇指很好，值也相应地改变，但是显示的值不是居中的。

提供的CSS代码来自物化css，我不确定是否需要它或是否有用。

如果需要任何其他信息，请告诉我们！

谢谢：）