<div class="range-wrap range_container">
  <input type="range" class="range  questions__range" min="5" max="80" value="5">
  <output class="bubble"></output>
</div>

.range {
  -webkit-appearance: none;
  border-radius: 2px;
  height: 5px;
  width: 230px;
  outline: 0;
  background: #22243e;
  border-radius: 5px;
}

.range::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 4px;
  height: 16px;
  background: #00d3ff;
  border-radius: 18px;
  cursor: pointer;
  -webkit-transition: 0.1s;
  transition: 0.1s;
}

.range-wrap {
  width: 230px;
  position: relative;
}

.range-wrap__top {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  bottom: 50%;
  position: absolute;
  width: 230px;
  -webkit-box-pack: justify;
  -ms-flex-pack: justify;
  justify-content: space-between;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
}

.range-wrap {
  position: relative;
  margin: 0;
  margin-top: 15px;
  margin-bottom: 15px;
}

.range {
  width: 100%;
  margin: 0;
}

.bubble {
  background: url(https://svgshare.com/i/Mb9.svg) no-repeat center;
  color: #00d3ff;
  position: absolute;
  border-radius: 4px;
  width: 30px;
  height: 26px;
  font-size: 10px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
  left: -13px;
  padding-bottom: 9px;
  top: -28px;
  pointer-events: none;
}

body {
  background: #131429;
}
.range-wrap {
  margin-top: 30px;
  margin-left: 30px;
}

const allRanges = document.querySelectorAll(".range-wrap");
const thumbWidth = 4;
const bubbleWidth = 30;

allRanges.forEach(wrap => {
  const range = wrap.querySelector(".range");
  const bubble = wrap.querySelector(".bubble");

  range.addEventListener("input", () => {
    setBubble(range, bubble);
  });
  setBubble(range, bubble);
});

function setBubble(range, bubble) {
  let val = range.value;
  const min = range.min ? range.min : 0;
  const max = range.max ? range.max : 100;
  const newVal = Number(((val - min) * 100) / (max - min));
  bubble.innerHTML = val;
  
  const leftOffset = bubbleWidth / 2 - thumbWidth * ((50 - newVal) / 100);

  // Sorta magic numbers based on size of the native UI thumb
  bubble.style.left = `calc(${newVal}% - ${leftOffset}px)`;
}