@charset "UFT-8";

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  /* color: rgba(255, 255, 255, 1); */
}
body {
  height: 100vh;
  background-color: #2b2b2b;
  display: flex;
  justify-content: center;
  align-items: center;
  /* flex-direction: column; */
}

.list {
  padding: 30px;
  /* position: relative; */
  background: #042b3e;
  border-top: 50px solid #03a9f4;
}

.list h2 {
  color: #fff;
  font-size: 30px;
  padding: 10px 0;
  margin-left: 10px;
  display: inline-block;
  border-bottom: 4px solid #fff;
}

.list label {
  position: relative;
  display: block;
  margin: 40px;
  color: #fff;
  font-size: 24px;
  cursor: pointer;
}

.list input[type="checkbox"] {
  -webkit-appearance: none;
}
.list i {
  position: absolute;
  top: 2px;
  display: inline-block;
  width: 25px;
  height: 25px;
  border: 2px solid #fff;
}
.list input[type="checkbox"]:checked ~ i {
  top: 1px;
  border-top: none;
  border-right: none;
  height: 15px;
  width: 25px;
  transform: rotate(-45deg);
}

.list span {
  position: relative;
  left: 40px;
  transition: 0.5s;
}

.list span::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  height: 1px;
  background: #fff;
  transform: translateY(-50%) scaleX(0);
  /* transform-origin: right; */
  transform-origin: left;
  transition: transform 0.5s;
}
.list input[type="checkbox"]:checked ~ span::before {
  transform: translateY(-50%) scaleX(1);
  transform-origin: left;
  transition: transform 0.5s;
}
.list input[type="checkbox"]:checked ~ span {
  color: #154e6b;
}