<div class="select">
  <div class="control">
    <label for="position">position:</label>
    <select name="position" id="position">
      <option value="static">static</option>
      <option value="relative">relative</option>
      <option value="absolute">absolute</option>
      <option value="sticky">sticky</option>
      <option value="fixed">fixed</option>
    </select>
  </div>
</div>
</div>
<div class="wrapper">
  <div class="box">
    <div class="element" contenteditable>Postion Element</div>
  </div>
</div>

<div class="form">
  <div class="control">
    <label for="top">top:</label>
    <div class="rang">
      <span class="min">0</span>
      <input type="range" id="top" value="5" min="0" max="50" step="1" class="range" />
      <span class="max">50</span>
      <output class="output" for="top">5px</output>
    </div>
  </div>

  <div class="control">
    <label for="right">right:</label>
    <div class="rang">
      <span class="min">0</span>
      <input type="range" id="right" value="5" min="0" max="50" step="1" class="range" />
      <span class="max">50</span>
      <output class="output" for="right">5px</output>
    </div>
  </div>

  <div class="control">
    <label for="bottom">bottom:</label>
    <div class="rang">
      <span class="min">0</span>
      <input type="range" id="bottom" value="5" min="0" max="50" step="1" class="range" />
      <span class="max">50</span>
      <output class="output" for="bottom">5px</output>
    </div>
  </div>

  <div class="control">
    <label for="left">left:</label>
    <div class="rang">
      <span class="min">0</span>
      <input type="range" id="left" value="5" min="0" max="50" step="1" class="range" />
      <span class="max">50</span>
      <output class="output" for="left">5px</output>
    </div>
  </div>

</div>

</div>

@import url("https://fonts.googleapis.com/css?family=Gochi+Hand");

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  margin: 0;
  padding: 0;
  background-color: #291642;
  font-family: "Gochi Hand", sans-serif;
  color: #fff;
  font-size: 130%;
  letter-spacing: 0.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  width: 100vw;
  min-height: 100vh;
  padding: 10px;
}

.form {
  padding: 20px;
  width: 100%;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}

label {
  display: block;
  margin-bottom: 5px;
}

.control {
  margin: 20px 10px;
  flex: 1;
}

.rang {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 5px;
}
.min {
  text-align: right;
}

.output {
  grid-column: 2 / 3;
  grid-row: 2 / 3;
  text-align: center;
  border: 1px dashed currentColor;
  border-radius: 5px;
  padding: 6px 0;
  position: relative;
}

.checkbox {
  margin-right: 5px;
}

.wrapper {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.select {
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.select .control {
  display: flex;
  align-items: center;
  align-items: center;
}
.select label {
  white-space: nowrap;
}

:root {
  --top: 5px;
  --right: 5px;
  --bottom: 5px;
  --left: 5px;
  --position: 5px;
}

.box {
  width: 40vw;
  min-height: 30vh;
  border-radius: 5px;
  border-radius: 10px;
  padding: 30px;
  border: 20px solid #03a9f4;
  background-image: linear-gradient(to bottom, #291642, #291642),
    linear-gradient(to right, #ffeb3b, #ffeb3b);
  background-origin: content-box, padding-box;
  background-clip: content-box, padding-box;
  position: relative;
}

.element {
  text-align: center;
  background-color: #f36;
  position: var(--position);
  top: var(--top);
  right: var(--right);
  bottom: var(--bottom);
  left: var(--left);
}

const ranges = document.querySelectorAll(".range");
const selects = document.querySelectorAll("select");

ranges.forEach((range) => range.addEventListener("change", handleUpdate));

selects.forEach((select) =>
  select.addEventListener("change", (e) => {
    document.documentElement.style.setProperty(
      `--${e.target.id}`,
      e.target.value
    );
  })
);

function handleUpdate(e) {
  this.parentNode.querySelector("output").textContent = `${this.value}px`;
  document.documentElement.style.setProperty(`--${this.id}`, `${this.value}px`);
}