style.css

@import url("https://fonts.googleapis.com/css2?family=Poppins:wght@200;400;500;600;700&display=swap");

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Poppins", sans-serif;
}

html,
body {
  display: grid;
  height: 100%;
  place-items: center;
  background: #664aff;
}

.checkbox {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
  width: 270px;
  padding: 20px;
  background: #fff;
}

.checkbox input {
  position: relative;
  height: 40px;
  width: 90px;
  outline: none;
  background: #e6e6e6;
  border-radius: 50px;
  box-shadow: inset 0 0 5px rgba(0, 0, 0, 0.2);
  -webkit-appearance: none;
  transition: left 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

input:checked {
  background: #664aff;
}

.checkbox input::before {
  height: 100%;
  width: 40px;
  left: 0;
  content: "";
  background: linear-gradient(#fff, #f2f2f2, #e6e6e6, #d9d9d9);
  position: absolute;
  border-radius: 50px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
  transform: scale(0.85);
  transition: left 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}
input:checked::before {
  left: 50px;
}

.checkbox .text::before {
  content: "Disabled";
  font-size: 25px;
  font-weight: 500;
  color: #bfbfbf;
}

input:checked ~ .text::before {
  content: "Enabled";
  font-size: 26px;
  color: #664aff;
}