Dark theme toggle button

dark-theme-toggle-button.markdown

Dark theme toggle button

A Pen by zuczek on CodePen.

License.

index.html

<div>
    <input type="checkbox" class="checkbox" id="checkbox">
  <label for="checkbox" class="label">
    <i class="fas fa-moon"></i>
    <i class='fas fa-sun'></i>
    <div class='ball'>
  </label>
</div>

script.js

const checkbox = document.getElementById('checkbox');

checkbox.addEventListener('change', ()=>{
  document.body.classList.toggle('dark');
})

style.css

* {
  box-sizing: border-box;
}
body {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
  transition: background 0.2s linear;
}
body.dark {
  background-color: #292c35;
}
.checkbox {
  opacity: 0;
  position: absolute;
}

.label {
  width: 50px;
  height: 26px;
  background-color:#111;
  display: flex;
  border-radius:50px;
  align-items: center;
  justify-content: space-between;
  padding: 5px;
  position: relative;
  transform: scale(1.5);
}

.ball {
  width: 20px;
  height: 20px;
  background-color: white;
  position: absolute;
  top: 2px;
  left: 2px;
  border-radius: 50%;
  transition: transform 0.2s linear;
}

/*  target the elemenent after the label*/
.checkbox:checked + .label .ball{
  transform: translateX(24px);
}

.fa-moon {
  color: pink;
}

.fa-sun {
  color: yellow;
}

styles

<link href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.13.0/css/all.min.css" rel="stylesheet" />