checkbox 篮球

            
            body {
    background: #2e394d;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
}

* {
    box-sizing: border-box;

    &:before,
    &:after {
        content: '';
        position: absolute;
    }
}

input {
    height: 40px;
    left: 0;
    opacity: 0;
    position: absolute;
    top: 0;
    width: 40px;
}

.toggle-wrapper {
    flex: 1 1 calc(100% / 3);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;

    background: #de8787;

    .toggle {
        transform: translate(-40px, 40px);
    }
}

label.toggle-item {
    width: 7em;
    background: #2e394d;
    height: 3em;
    display: inline-block;
    border-radius: 50px;
    margin: 40px;
    position: relative;
    transition: all .3s ease;
    transform-origin: 20% center;
    cursor: pointer;

    &:before {
        display: block;
        transition: all .2s ease;
        width: 2.3em;
        height: 2.3em;
        top: .25em;
        left: .25em;
        border-radius: 2em;
        border: 2px solid #88cf8f;
        transition: .3s ease;
    }
}

.name {
    width: 80%;
    position: absolute;
    font: 500 14px 'Rubik', sans-serif;
    letter-spacing: .5px;
    text-transform: uppercase;
    text-shadow: 0 1px 1px rgba(0, 0, 0, 0.4);
    bottom: 15px;
    right: 15px;
    text-align: right;
}

.toggle {
    position: relative;
    display: inline-block;
}

.basketball-hoop {
    label {
        background: #fdb827;
    }

    label:before {
        content: none;
    }

    .ball {
        border-radius: 50%;
        width: 2.5em;
        height: 2.5em;
        position: absolute;
        background: #FF9800;
        border: 2px solid black;
        transition: .4s ease;
        top: 4px;
        left: 4px;
        background-image: radial-gradient(circle at -5px 10px, transparent 15px, black 15px, black 17px, transparent 17px), radial-gradient(circle at 41px 25px, transparent 15px, black 15px, black 17px, transparent 17px), linear-gradient(110deg, transparent 22px, black 22px, black 24px, transparent 24px), linear-gradient(18deg, transparent 22px, black 22px, black 24px, transparent 24px);

        &__wrapper {
            transition: .4s ease;
            width: 195%;
            height: 200%;
            transform-origin: 50% -2%;
        }
    }

    .hoop {
        top: -50px;
        right: -84px;
        width: 50px;
        background: #f44336;
        height: 8px;
        position: absolute;

        &:before {
            position: absolute;
            right: -4px;
            width: 7px;
            height: 60px;
            background: #cd2e22;
            top: -40px;
        }

        &:after {
            width: 40px;
            height: 35px;
            background: repeating-linear-gradient(45deg, transparent, transparent 13px, white 13px, white 15px), repeating-linear-gradient(-45deg, transparent, transparent 13px, white 13px, white 15px);
            top: 8px;
            border-radius: 0 0 20% 20%/40% 40% 60% 60%;
            border: 2px solid #fff;
            border-width: 0 2px;
            left: 2px;
            z-index: 20;
        }
    }
}

#hoop:checked {
    +label {
        background: #542583;
        transition-delay: 1.35s;

        .ball__wrapper {
            animation: 1.5s linear ball-wrapper forwards;
        }

        .ball {
            animation: 1.5s linear ball forwards;
        }
    }
}

@keyframes ball {
    0% {
        transform: none;
    }

    40% {
        transform: rotate(-150deg)
    }

    48% {
        transform: rotate(-150deg) translateY(92px)
    }

    52% {
        transform: rotate(-150deg) translate(-10px, 80px)
    }

    56% {
        transform: rotate(-150deg) translate(-25px, 91px)
    }

    60% {
        transform: rotate(-150deg) translate(-35px, 86px)
    }

    65% {
        transform: rotate(-150deg) translate(-45px, 91px)
    }

    70% {
        transform: rotate(-150deg) translate(-50px, 87px)
    }

    75% {
        transform: rotate(-150deg) translate(-60px, 91px)
    }

    80% {
        transform: rotate(-150deg) translate(-65px, 88px)
    }

    85% {
        transform: rotate(-150deg) translate(-70px, 91px)
    }

    90% {
        transform: rotate(-150deg) translate(-75px, 90px)
    }

    95% {
        transform: rotate(-150deg) translate(-80px, 90px)
    }

    100% {
        transform: rotate(-150deg) translate(-82px, 91px)
    }
}

@keyframes ball-wrapper {
    0% {
        transform: none;
    }

    40%,
    100% {
        transform: rotate(150deg);
    }
}