<main>
  <h1>
    <span id="hash-symbol">#</span>
    <span id="app-name">Toggle buttons</span>
  </h1>
  <section>

    <div class="toggle-btn" id="_1st-toggle-btn">
      <input type="checkbox">
      <span></span>
    </div>

    <div class="toggle-btn" id="_2nd-toggle-btn">
      <input type="checkbox">
      <span></span>
    </div>

    <div class="toggle-btn" id="_3rd-toggle-btn">
      <input type="checkbox">
      <span></span>
    </div>

  </section>
</main>

body {
  margin: 0px;
  background-color: #f8f8f8;
}

h1 {
  font-family: Segoe UI;
  text-align: center;
  line-height: 42px;
  padding-bottom: 23px;
  margin: 10px 0px;
  border-bottom: 1px solid #dadada;
}

#hash-symbol {
  color: #484848;
  font-size: 42px;
  position: relative;
  top: 4px;
}

#app-name {
  color: #f19000;
}

section {
  width: 250px;
  margin: 100px auto;
  padding: 60px;
  background-color: #fff;
  box-shadow: 0px 5px 35px #d7d7d7;
  border-radius: 35px;
}

.toggle-btn {
  position: relative;
  width: 145px;
  height: 74px;
  margin: 0 auto;
  border-radius: 40px;
}

input[type="checkbox"] {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0px;
  left: 0px;
  right: 0px;
  bottom: 0px;
  margin: 0px;
  cursor: pointer;
  opacity: 0;
  z-index: 2;
}

/* First toggle btn */

#_1st-toggle-btn span {
  position: absolute;
  top: 0px;
  right: 0px;
  bottom: 0px;
  left: 0px;
  overflow: hidden;
  opacity: 1;
  background-color: #fff;
  box-shadow: 0px 2px 25px #d9d9d9;
  border-radius: 40px;
  transition: 0.2s ease background-color, 0.2s ease opacity;
}

#_1st-toggle-btn span:before,
#_1st-toggle-btn span:after {
  content: "";
  position: absolute;
  top: 8px;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  transition: 0.5s ease transform, 0.2s ease background-color;
}

#_1st-toggle-btn span:before {
  background-color: #fff;
  transform: translate(-58px, 0px);
  z-index: 1;
}

#_1st-toggle-btn span:after {
  background-color: #000;
  transform: translate(8px, 0px);
  z-index: 0;
}

#_1st-toggle-btn input[type="checkbox"]:checked + span {
  background-color: #000;
}

#_1st-toggle-btn input[type="checkbox"]:active + span {
  opacity: 0.5;
}

#_1st-toggle-btn input[type="checkbox"]:checked + span:before {
  background-color: #000;
  transform: translate(56px, -19px);
}

#_1st-toggle-btn input[type="checkbox"]:checked + span:after {
  background-color: #fff;
  transform: translate(79px, 0px);
}

/* First toggle btn completed */

/* Second toggle btn */

#_2nd-toggle-btn {
  margin: 60px auto 76px auto;
}

#_2nd-toggle-btn span {
  position: absolute;
  top: 0px;
  right: 0px;
  bottom: 0px;
  left: 0px;
  border: 8px solid #b3b3b3;
  border-color: #b3b3b3;
  overflow: hidden;
  background-color: #fff;
  border-radius: 40px;
  transition: 0.8s ease border-color;
}

#_2nd-toggle-btn span:before {
  content: "";
  position: absolute;
  top: -8px;
  width: 58px;
  height: 58px;
  border-width: 8px;
  border-style: solid;
  border-color: #b3b3b3;
  margin-left: 0px;
  border-radius: 50%;
  transform: translate(-8px, 0px);
  transition: 0.4s ease border-radius, 0.4s ease transform, 0.6s ease width,
    0.6s ease margin-left, 0.8s ease border-color;
}

#_2nd-toggle-btn input[type="checkbox"]:active + span:before {
  width: 80px;
  border-radius: 40px;
}

#_2nd-toggle-btn input[type="checkbox"]:checked:active + span:before {
  margin-left: -22px;
}

#_2nd-toggle-btn input[type="checkbox"]:checked + span {
  border-color: #000;
}

#_2nd-toggle-btn input[type="checkbox"]:checked + span:before {
  border-color: #000;
  transform: translate(63px, 0px);
}

/* Second toggle btn completed */

/* Third toggle btn */

#_3rd-toggle-btn span {
  display: block;
  width: 145px;
  height: 38px;
  background-color: #c7c7c7;
  border-radius: 20px;
  transition: 0.5s ease background-color;
}

#_3rd-toggle-btn span:before {
  content: "";
  position: absolute;
  top: -16px;
  width: 70px;
  height: 70px;
  background-color: #fff;
  border-radius: 50%;
  box-shadow: 2px 6px 25px #d7d7d7;
  transform: translate(0px, 0px);
  transition: 0.6s ease transform, 0.6s box-shadow;
}

#_3rd-toggle-btn span:after {
  content: "";
  position: absolute;
  top: 50%;
  right: 0px;
  left: 35px;
  width: 0px;
  height: 24px;
  margin-top: -36px;
  margin-left: -6px;
  border: 6px solid #000;
  border-radius: 20px;
  transform: translate(0px, 0px);
  transition: 0.4s ease width, 0.4s ease border-radius, 0.62s ease transform;
}

#_3rd-toggle-btn input[type="checkbox"]:checked + span:before {
  box-shadow: 7px 6px 25px #e6e6e6;
  transform: translate(75px, 0px);
}

#_3rd-toggle-btn input[type="checkbox"]:checked + span:after {
  width: 24px;
  border-radius: 50%;
  transform: translate(64px, 0px);
}

#_3rd-toggle-btn input[type="checkbox"]:checked + span {
  background-color: #000;
}

/* Third toggle btn completed */

// No JavaScript