<form action="">
  <input type="radio" name="rdo" id="yes" checked />
  <input type="radio" name="rdo" id="no" />
  <div class="switch">
    <label for="yes">Yes</label>
    <label for="no">No</label>
    <span></span>
  </div>
</form>
@import url("https://fonts.googleapis.com/css2?family=Exo:wght@600&display=swap");

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

body {
  width: 100vw;
  min-height: 100vh;

  display: flex;
  justify-content: center;
  align-items: center;
  font-family: "Exo", Arial, sans-serif;
  background-color: #151522;

  gap: 10px;
}

.switch {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 150px;
  height: 50px;
  text-align: center;
  margin: -30px 0 0 -75px;
  transition: all 0.2s ease;
  border-radius: 25px;
}
.switch span {
  position: absolute;
  width: 20px;
  height: 4px;
  top: 50%;
  left: 50%;
  margin: -2px 0px 0px -4px;
  background: #fff;
  display: block;
  transform: rotate(-45deg);
  transition: all 0.2s ease;
  border-radius: 2px;
}
.switch span:after {
  content: "";
  display: block;
  position: absolute;
  width: 4px;
  height: 12px;
  margin-top: -8px;
  background: #fff;
  transition: all 0.2s ease;
  border-radius: 2px;
}
input[type="radio"] {
  display: none;
}
.switch label {
  cursor: pointer;
  color: var(--unchecked-color);
  width: 60px;
  line-height: 50px;
  transition: all 0.2s ease;
}
label[for="yes"] {
  position: absolute;
  left: 0px;
  height: 20px;
}
label[for="no"] {
  position: absolute;
  right: 0px;
}

#no:checked ~ .switch span {
  margin-left: -8px;
}
#no:checked ~ .switch span:after {
  height: 20px;
  margin-top: -8px;
  margin-left: 8px;
}

:root {
  --ON: initial;
  --OFF: ;
}

.switch {
  --checked-bg-color: #4cd964;
  --checked-color: #fff;
  --unchecked-color: rgba(0, 0, 0, 0.2);
  --unchecked-bg-color: #ff3b30;
  background: var(--checked, var(--checked-bg-color))
    var(--unchecked, var(--unchecked-bg-color));
  color: var(--unchecked-color);
}

#no:checked ~ .switch {
  --checked: var(--OFF);
  --unchecked: var(--ON);
}
#yes:checked ~ .switch {
  --checked: var(--ON);
  --unchecked: var(--OFF);
}

#yes:checked ~ .switch label[for="yes"],
#no:checked ~ .switch label[for="no"] {
  color: var(--checked-color);
}

External CSS

This Pen doesn't use any external CSS resources.

External JavaScript

This Pen doesn't use any external JavaScript resources.