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Prévisualisation

HTML 
<div id="checklist">
  <input checked="" value="1" name="r" type="checkbox" id="01">
  <label for="01">Bread</label>
  <input value="2" name="r" type="checkbox" id="02">
  <label for="02">Cheese</label>
  <input value="3" name="r" type="checkbox" id="03">
  <label for="03">Coffee</label>
</div>
CSS 
#checklist {
  --background: #fff;
  --text: #414856;
  --check: #4f29f0;
  --disabled: #c3c8de;
  --width: 100px;
  --height: 180px;
  --border-radius: 10px;
  background: var(--background);
  width: var(--width);
  height: var(--height);
  border-radius: var(--border-radius);
  position: relative;
  box-shadow: 0 10px 30px rgba(65, 72, 86, 0.05);
  padding: 30px 85px;
  display: grid;
  grid-template-columns: 30px auto;
  align-items: center;
  justify-content: center;
}

#checklist label {
  color: var(--text);
  position: relative;
  cursor: pointer;
  display: grid;
  align-items: center;
  width: fit-content;
  transition: color 0.3s ease;
  margin-right: 20px;
}

#checklist label::before, #checklist label::after {
  content: "";
  position: absolute;
}

#checklist label::before {
  height: 2px;
  width: 8px;
  left: -27px;
  background: var(--check);
  border-radius: 2px;
  transition: background 0.3s ease;
}

#checklist label:after {
  height: 4px;
  width: 4px;
  top: 8px;
  left: -25px;
  border-radius: 50%;
}

#checklist input[type="checkbox"] {
  -webkit-appearance: none;
  -moz-appearance: none;
  position: relative;
  height: 15px;
  width: 15px;
  outline: none;
  border: 0;
  margin: 0 15px 0 0;
  cursor: pointer;
  background: var(--background);
  display: grid;
  align-items: center;
  margin-right: 20px;
}

#checklist input[type="checkbox"]::before, #checklist input[type="checkbox"]::after {
  content: "";
  position: absolute;
  height: 2px;
  top: auto;
  background: var(--check);
  border-radius: 2px;
}

#checklist input[type="checkbox"]::before {
  width: 0px;
  right: 60%;
  transform-origin: right bottom;
}

#checklist input[type="checkbox"]::after {
  width: 0px;
  left: 40%;
  transform-origin: left bottom;
}

#checklist input[type="checkbox"]:checked::before {
  animation: check-01 0.4s ease forwards;
}

#checklist input[type="checkbox"]:checked::after {
  animation: check-02 0.4s ease forwards;
}

#checklist input[type="checkbox"]:checked + label {
  color: var(--disabled);
  animation: move 0.3s ease 0.1s forwards;
}

#checklist input[type="checkbox"]:checked + label::before {
  background: var(--disabled);
  animation: slice 0.4s ease forwards;
}

#checklist input[type="checkbox"]:checked + label::after {
  animation: firework 0.5s ease forwards 0.1s;
}

@keyframes move {
  50% {
    padding-left: 8px;
    padding-right: 0px;
  }

  100% {
    padding-right: 4px;
  }
}

@keyframes slice {
  60% {
    width: 100%;
    left: 4px;
  }

  100% {
    width: 100%;
    left: -2px;
    padding-left: 0;
  }
}

@keyframes check-01 {
  0% {
    width: 4px;
    top: auto;
    transform: rotate(0);
  }

  50% {
    width: 0px;
    top: auto;
    transform: rotate(0);
  }

  51% {
    width: 0px;
    top: 8px;
    transform: rotate(45deg);
  }

  100% {
    width: 5px;
    top: 8px;
    transform: rotate(45deg);
  }
}

@keyframes check-02 {
  0% {
    width: 4px;
    top: auto;
    transform: rotate(0);
  }

  50% {
    width: 0px;
    top: auto;
    transform: rotate(0);
  }

  51% {
    width: 0px;
    top: 8px;
    transform: rotate(-45deg);
  }

  100% {
    width: 10px;
    top: 8px;
    transform: rotate(-45deg);
  }
}

@keyframes firework {
  0% {
    opacity: 1;
    box-shadow: 0 0 0 -2px #4f29f0, 0 0 0 -2px #4f29f0, 0 0 0 -2px #4f29f0, 0 0 0 -2px #4f29f0, 0 0 0 -2px #4f29f0, 0 0 0 -2px #4f29f0;
  }

  30% {
    opacity: 1;
  }

  100% {
    opacity: 0;
    box-shadow: 0 -15px 0 0px #4f29f0, 14px -8px 0 0px #4f29f0, 14px 8px 0 0px #4f29f0, 0 15px 0 0px #4f29f0, -14px 8px 0 0px #4f29f0, -14px -8px 0 0px #4f29f0;
  }
}

License MIT

Original author: JkHuger

Copyright - 2026 JkHuger (JkHuger) Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.