Webleb - Extraits de Code - Bascule Ying Yang

HTML

CSS

:root {
  --first-half: 65%;
}

body {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  padding: 0;
  background-color: #6d8d9d;
  overflow: hidden;
}

.toggle {
  position: relative;
  display: flex;
  justify-content: space-between;
  width: 20rem;
  height: 10rem;
  border-radius: 5rem;
  background: linear-gradient(0deg, #222, #222 50%, #fff 50%, #fff 100%);
  background-size: 18rem 100%;
  background-position: 1rem 0;
  background-repeat: no-repeat;
  cursor: pointer;
  overflow: hidden;
  transition: all 0.5s ease;
}
.toggle:before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: 5rem;
  box-shadow: inset 0 0.1rem 0.4rem 0 black;
  outline: 1rem solid #6d8d9d;
  z-index: 1;
  transition: all 0.5s ease;
}
.toggle:hover:before {
  box-shadow: inset 0 0.1rem 0.6rem 0 black;
}
.toggle__black, .toggle__white {
  position: relative;
  height: 100%;
}
.toggle__black:before, .toggle__white:before {
  content: "";
  position: absolute;
  border-radius: 50%;
}
.toggle__black {
  width: var(--first-half);
  background-color: #222;
  border-radius: 0 5rem 0 0;
  transition: all 0.5s ease;
}
.toggle__black:before {
  top: 25%;
  left: calc(50% - 1.5rem);
  width: 3rem;
  height: 3rem;
  background-color: #fff;
  transition: all 0.5s ease;
}
.toggle__white {
  width: calc(100% - var(--first-half));
  background-color: #fff;
  border-radius: 0 0 0 3rem;
  transition: all 0.5s ease;
}
.toggle__white:before {
  bottom: 25%;
  left: calc(50% - 0.75rem);
  width: 1.5rem;
  height: 1.5rem;
  background-color: #222;
  transition: all 0.5s ease;
}
.toggle--active {
  --first-half: 35%;
}
.toggle--active .toggle__black {
  border-radius: 0 3rem 0 0;
}
.toggle--active .toggle__black:before {
  left: calc(50% - 0.75rem);
  width: 1.5rem;
  height: 1.5rem;
}
.toggle--active .toggle__white {
  border-radius: 0 0 0 5rem;
}
.toggle--active .toggle__white:before {
  left: calc(50% - 1.5rem);
  width: 3rem;
  height: 3rem;
}

JS