.todo-list {
  background: #FFF;
  font-size: 20px;
  max-width: 15em;
  margin: auto;
  padding: 0.5em 1em;
  box-shadow: 0 5px 30px rgba(0, 0, 0, 0.2);
}
.todo {
  display: block;
  position: relative;
  padding: 1em 1em 1em 16%;
  margin: 0 auto;
  cursor: pointer;
  border-bottom: solid 1px #ddd;
}
.todo:last-child {
  border-bottom: none;
}
.todo__state {
  position: absolute;
  top: 0;
  left: 0;
  opacity: 0;
}
.todo__text {
  color: #135156;
  transition: all 0.4s linear 0.4s;
}
.todo__icon {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 100%;
  height: auto;
  margin: auto;
  fill: none;
  stroke: #27FDC7;
  stroke-width: 2;
  stroke-linejoin: round;
  stroke-linecap: round;
}
.todo__line,
.todo__box,
.todo__check {
  transition: stroke-dashoffset 0.8s cubic-bezier(0.9, 0, 0.5, 1);
}
.todo__circle {
  stroke: #27FDC7;
  stroke-dasharray: 1 6;
  stroke-width: 0;
  transform-origin: 13.5px 12.5px;
  transform: scale(0.4) rotate(0deg);
  animation: none 0.8s linear;
}
@keyframes explode {
  30% {
    stroke-width: 3;
    stroke-opacity: 1;
    transform: scale(0.8) rotate(40deg);
  }
  100% {
    stroke-width: 0;
    stroke-opacity: 0;
    transform: scale(1.1) rotate(60deg);
  }
}
.todo__box {
  stroke-dasharray: 56.1053, 56.1053;
  stroke-dashoffset: 0;
  transition-delay: 0.16s;
}
.todo__check {
  stroke: #27FDC7;
  stroke-dasharray: 9.8995, 9.8995;
  stroke-dashoffset: 9.8995;
  transition-duration: 0.32s;
}
.todo__line {
  stroke-dasharray: 168, 1684;
  stroke-dashoffset: 168;
}
.todo__circle {
  animation-delay: 0.56s;
  animation-duration: 0.56s;
}
.todo__state:checked ~ .todo__text {
  transition-delay: 0s;
  color: #5EBEC1;
  opacity: 0.6;
}
.todo__state:checked ~ .todo__icon .todo__box {
  stroke-dashoffset: 56.1053;
  transition-delay: 0s;
}
.todo__state:checked ~ .todo__icon .todo__line {
  stroke-dashoffset: -8;
}
.todo__state:checked ~ .todo__icon .todo__check {
  stroke-dashoffset: 0;
  transition-delay: 0.48s;
}
.todo__state:checked ~ .todo__icon .todo__circle {
  animation-name: explode;
}
html {
  background: #ddd;
}
html {
  height: 100%;
  display: flex;
}
body {
  width: 100%;
  margin: auto;
}