Pretty Checkbox

Шаг 1

Добавляем HTML код в нужное вам место на сайте

<div id="checklist">
    <input id="01" type="checkbox" name="r" value="1" checked="">
    <label for="01">Bread</label>
    <input id="02" type="checkbox" name="r" value="2">
    <label for="02">Cheese</label>
    <input id="03" type="checkbox" name="r" value="3">
    <label for="03">Coffee</label>
</div>

Шаг 2

Добавляем CSS код в ваш файл стилей

#checklist {
    --background: #ffffff;
    --text: #414856;
    --check: #4f29f0;
    --disabled: #c3c8de;
    --width: 100px;
    --height: 140px;
    --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 45px;
    display: grid;
    grid-template-columns: 30px auto;
    -webkit-box-align: center;
    align-items: center;
}

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

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

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

#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%;
    -webkit-transform-origin: right bottom;
    transform-origin: right bottom;
}

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

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

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

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

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

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

@-webkit-keyframes move {
    50% {
        padding-left: 8px;
        padding-right: 0px;
    }
    100% {
        padding-right: 4px;
    }
}

@keyframes move {
    50% {
        padding-left: 8px;
        padding-right: 0px;
    }
    100% {
        padding-right: 4px;
    }
}

@-webkit-keyframes slice {
    60% {
        width: 100%;
        left: 4px;
    }
    100% {
        width: 100%;
        left: -2px;
        padding-left: 0;
    }
}

@keyframes slice {
    60% {
        width: 100%;
        left: 4px;
    }
    100% {
        width: 100%;
        left: -2px;
        padding-left: 0;
    }
}

@-webkit-keyframes check-01 {
    0% {
        width: 4px;
        top: auto;
        -webkit-transform: rotate(0);
        transform: rotate(0);
    }
    50% {
        width: 0px;
        top: auto;
        -webkit-transform: rotate(0);
        transform: rotate(0);
    }
    51% {
        width: 0px;
        top: 8px;
        -webkit-transform: rotate(45deg);
        transform: rotate(45deg);
    }
    100% {
        width: 5px;
        top: 8px;
        -webkit-transform: rotate(45deg);
        transform: rotate(45deg);
    }
}

@keyframes check-01 {
    0% {
        width: 4px;
        top: auto;
        -webkit-transform: rotate(0);
        transform: rotate(0);
    }
    50% {
        width: 0px;
        top: auto;
        -webkit-transform: rotate(0);
        transform: rotate(0);
    }
    51% {
        width: 0px;
        top: 8px;
        -webkit-transform: rotate(45deg);
        transform: rotate(45deg);
    }
    100% {
        width: 5px;
        top: 8px;
        -webkit-transform: rotate(45deg);
        transform: rotate(45deg);
    }
}

@-webkit-keyframes check-02 {
    0% {
        width: 4px;
        top: auto;
        -webkit-transform: rotate(0);
        transform: rotate(0);
    }
    50% {
        width: 0px;
        top: auto;
        -webkit-transform: rotate(0);
        transform: rotate(0);
    }
    51% {
        width: 0px;
        top: 8px;
        -webkit-transform: rotate(-45deg);
        transform: rotate(-45deg);
    }
    100% {
        width: 10px;
        top: 8px;
        -webkit-transform: rotate(-45deg);
        transform: rotate(-45deg);
    }
}

@keyframes check-02 {
    0% {
        width: 4px;
        top: auto;
        -webkit-transform: rotate(0);
        transform: rotate(0);
    }
    50% {
        width: 0px;
        top: auto;
        -webkit-transform: rotate(0);
        transform: rotate(0);
    }
    51% {
        width: 0px;
        top: 8px;
        -webkit-transform: rotate(-45deg);
        transform: rotate(-45deg);
    }
    100% {
        width: 10px;
        top: 8px;
        -webkit-transform: rotate(-45deg);
        transform: rotate(-45deg);
    }
}

@-webkit-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;
    }
}

@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;
    }
}