2021.04.30，写博客的第三天，分享一个好看好玩的css效果

效果图

html 部分

.toggle-wrapper

.toggle-wrapper
    .toggle.normal
        input#normal(type="checkbox")
        label.toggle-item(for="normal")
    .name Normal

.toggle-wrapper
    .toggle.transparent
        input#transparent(type="checkbox")
        label.toggle-item(for="transparent")
    .name Transparent

.toggle-wrapper
    .toggle.checkcross
        input#checkcross(type="checkbox")
        label.toggle-item(for="checkcross")
            .check
    .name Yes & No

.toggle-wrapper
    .toggle
        input#gravity(type="checkbox")
        label.toggle-item(for="gravity")
    .name Gravity

.toggle-wrapper
    .toggle.pancake-stack
        input#pancake(type="checkbox")
        label.toggle-item(for="pancake")
            .pancakes
                .pancake
                .pancake
                .pancake
                .butter
    .name Pancake Stacks
            
.toggle-wrapper
    .toggle.dog-rollover
        input#doggo(type="checkbox")
        label.toggle-item(for="doggo")
            .dog
                .ear
                .ear.right
                .face
                    .eyes
                    .mouth
    .name Doggo Wants a Treat
                    
.toggle-wrapper
    .toggle.basketball-hoop
        input#hoop(type="checkbox")
        label.toggle-item(for="hoop")
            .ball__wrapper
                .ball
            .hoop
    .name Kobe Bryant Tribute

.toggle-wrapper
    .toggle.beer-pong
        input#beer-pong(type="checkbox")
        label.toggle-item(for="beer-pong")
        .cup
            .lid
    .name Beer Pong



.footer
    .explanation
        | Part of the 
        a(href="https://codepen.io/collection/XJNKLz/" target="_blank") CSS Animations collection here
        |. 
        br
        | See the 
        a(href="https://codepen.io/oliviale/full/vPvvyr" target="_blank") Buttons version here
        |.

        footer
            a(href="https://twitter.com/meowlivia_" target="_blank")
                i.icon-social-twitter.icons
            a(href="https://github.com/oliviale" target="_blank")
                i.icon-social-github.icons
            a(href="https://dribbble.com/oliviale" target="_blank")
                i.icon-social-dribbble.icons
    

css部分

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: 50vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
    @media (max-width: 960px) {
        flex: 1 1 calc(100% / 2);
    }
    @media (max-width: 700px) {
        flex: 1 1 100%;
    }
    &:nth-child(1) {
        background: #dec387;
    }
    &:nth-child(2) {
        background: #de8797;
    }
    &:nth-child(3) {
        background: #87aade;
    }
    &:nth-child(4) {
        background: #c5de87;
    }
    &:nth-child(5) {
        background: #87ded2;
    }
    &:nth-child(6) {
        background: #c487de;
    }
    &:nth-child(7) {
        background: #de8787;
        .toggle {
            transform: translate(-40px, 40px);
        }
    }
    &:nth-child(8) {
        background: #decf87;
        .toggle {
            transform: translate(-40px, 40px);
        }
    }
}

.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;
}

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;
    }
}

.normal {
    label {
        background: #af4c4c;
    border: .5px solid rgba(117, 117, 117, 0.31);
    box-shadow: inset 0px 0px 4px 0px rgba(0,0,0,0.2), 0 -3px 4px rgba(0,0,0,0.15);
        &:before {
            border: none;
            width: 2.5em;
            height: 2.5em;
            box-shadow: inset 0.5px -1px 1px rgba(0, 0, 0, 0.35);
            background: #fff;
            transform: rotate(-25deg);
        }
        &:after {
            background: transparent;
            height: calc(100% + 8px);
            border-radius: 30px;
            top: -5px;
            width: calc(100% + 8px);
            left: -4px;
            z-index: 0;
            box-shadow: inset 0px 2px 4px -2px rgba(0,0,0,0.2), 0px 1px 2px 0px rgba(151, 151, 151, 0.2);
        }
    }
}

#normal:checked + label {
    background: #4caf50;
    &:before {
        left: 67px;
    }
}

.transparent {
    label {
        background: transparent;
        border: 3px solid #fff;
        height: 3.35em;
        &:before {
            border: 3px solid #fff;
            width: 2em;
            height: 2em;
            top: .3em;
            left: .3em;
            background: #fff;
        }
    }
}

#transparent:checked + label {
    &:before {
        transform: translateX(59px);
    }
}

.checkcross {
    label:before {
        content: none;
    }
    .check {
        border-radius: 50%;
    width: 2.5em;
    height: 2.5em;
    position: absolute;
    background: #8BC34A;
    transition: .4s ease;
    top: 4.5px;
    left: 4.5px;
        &:before, &:after {
            height: 4px;
            border-radius: 10px;
            background: #fff;
            transition: .4s ease;
        }
        &:before {
            width: 25px;
            transform: rotate(-45deg) translate(-6px, 20px);
        }
        &:after {
            width: 10px;
            transform: rotate(45deg) translate(20px, 11px);
        }
    }
}

#checkcross:checked + label {
    .check {
        left: 68px;
        transform: rotate(360deg);
        background: #c34a4a;
        &:before {
            width: 27px;
            transform: rotate(-45deg) translate(-8px, 18px);
    
        }
        &:after {
            width: 27px;
        transform: rotate(45deg) translate(18px, 8px);
        }
    }
}

#gravity:checked + label {
    transform: rotate(90deg);
    &:before {
        transform: translateX(67px);
        transition-delay: .2s;
        transition: 0.6s cubic-bezier(0.895, 0.03, 0.685, 0.22) .2s; 
    }
}

.beer-pong {
    label:before {
        background: #f9f9f9;
    box-shadow: inset 0 -3px 0 0 #c6c5c5;
    border: none;
    width: 2.5em;
    height: 2.5em;
    top: .25em;
    left: .25em;
    }
    .cup {
        top: -3%;
        right: -118px;
        border-top: 90px solid #f44336;
        border-left: 15px solid transparent;
        border-right: 15px solid transparent;
        height: 3px;
        position: absolute;
        width: 80px;
    transform-origin: bottom right;
    transition: .2s cubic-bezier(0.42, 0.5, 0.58, 1);
        &:before {
            box-shadow: 0 -10px 0 0px rgba(39, 39, 39, 0.1), 0px -20px 0 0px rgba(39, 39, 39, 0.1);
            border-radius: 3px;
            overflow: hidden;
            background: rgba(39, 39, 39, 0.1);
            width: 120%;
            left: -5px;
            height: 4px;
            top: -40px;
        }
        .lid {
            position: absolute;
            width: 95px;
            height: 8px;
            border-radius: 20px;
            background: #efefef;
            bottom: 86px;
            left: -23px;
            &:after {
                background: #efefef;
                width: 48px;
                height: 5px;
                left: 50%;
                margin-left: -24px;
                top: 94px;
                border-radius: 0 0 3px 3px;
            }
        }
    }
}

#beer-pong:checked  {
    ~ .cup {
        animation: .2s linear cup 1s forwards;
    }
    + label:before {
        animation: 2s linear bounce-off forwards;
    }
}

@keyframes cup {
    0% { transform: none; }
    50% { transform: rotate(75deg) translate(10px,15px); }
    90% { transform: rotate(70deg) translate(10px,15px); }
    100% { transform: rotate(75deg) translate(10px,15px); }
}

@keyframes bounce-off {
    0% { transform: translateY(0); }
    10%,25% { transform: translate(-20px, -80px); }
    50% { transform: rotate(163deg); transform-origin: 100px -12px; }
    70% { transform: rotate(0) translate(-3px, -8px);  transform-origin: 100px -12px;  }
    75% { transform: translate(20px, -8px);}
    80% { transform:  translate(30px,0px) }
    85% { transform:  translate(40px, -3px) }
    87% { transform:  translate(46px, 0px) }
    90% { transform:  translate(52px, -1px) }
    95% { transform:  translate(60px, 0px) }
    100% { transform:  translate(64px,0px);}
}


.dog-rollover {
    label {
        &:before {
            content: none;
        }
        .dog {
            display: inline-block;
            position: absolute;
            width: 2.5em;
            height: 2.5em;
            top: .25em;
            left: .2em;
            transition: .6s ease;
        }
        .eyes {
            position: absolute;
            width: 8px;
            height: 8px;
            background: #222;
            border-radius: 50%;
            transform: translate(8px, 14px);
            box-shadow: 16px 0 0 #222, 22px -4px 0 12px #e4ac04;
        }
        .ear {
            width: 18px;
            height: 20px;
            position: absolute;
            left: -4px;
            bottom: 80%;
            background: #f9bb00;
            margin-bottom: -5px;
            border-radius: 50% 50% 0 0 / 100% 100% 0 0;
            box-shadow: inset 4px 0 0 0px #ffffff, inset -4px 0 0 0px #ffffff;
            transform: rotate(-40deg);
            &.right {
                transform: rotate(60deg) scaleX(-1);
                left: auto;
                transform-origin: center bottom;
                transition: .4s ease-in-out;
                right: 0px;
            }
        }
        .face {
            overflow: hidden;
            border-radius: 50%;
            width: 2.5em;
            height: 2.5em;
            position: absolute;
            background: #fff;
            z-index: 8;
        }
        .mouth {
            position: absolute;
            background: #222;
            width: 14px;
            height: 7px;
            left: 50%;
            margin-left: -7px;
            bottom: 12px;
            border-radius: 2px 2px 20px 20px;
            bottom: 8px;
            transform: scale(0);
            transition: .1s ease;
            &:before {
                width: 8px;
                height: 8px;
                background: #ec788d;
                border-radius: 0 0 50% 50%;
                transform: translate(3px, 5px);
            }
        }
        &:before {
            border-color: white;
            background: white;
        }
    }
}

#doggo:checked  {
    ~ .cup {
        animation: .2s linear cup 1s forwards;
    }
    + label {
        .dog {
            left: 68px;
            transform: rotate(360deg);
        }
        .mouth {
            transform: scale(1);
            transition-delay: .7s;
        }
        .ear.right {
            transform: scaleX(-1) rotate(-35deg);
            transition-delay: .6s;
        }
    }
}


.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); }
}

.pancake-stack {
    label:before {
        content: none;
    }
    .pancakes {
        transition: .6s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    }
    .pancake {
        background: #e27c31;
        border-radius: 50%;
    width: 2.5em;
    height: 2.5em;
    position: absolute;
        transition: .4s ease;
        top: 2px;
        left: 4px;
        box-shadow: 0 2px 0 2px #fbbe7c;
        &:nth-child(2) {
            left: 0;
            top: -3px;
            transform: scale(0);
            transition: .2s ease .2s;
        }
        &:nth-child(3) {
            top: -8px;
            transform: scale(0);
            transition: .2s ease .2s;
            &:before, &:after {
                background: #ef8927;
                border-radius: 20px;
                width: 50%;
                height: 20%;
            }
            &:before {
                top: 20px;
                left: 5px;
            }
            &:after {
                top: 22px;
                right: 5px;
            }
        }
    }
    .butter {
        width: 12px;
    height: 11px;
    background: #fbdb60;
    top: 6px;
    left: 20px;
    position: absolute;
    border-radius: 4px;
    box-shadow: 0 1px 0 1px #d67823;
        transform: scale(0);
        transition: .2s ease;
    }
}

#pancake:checked  {
    + label {
        .pancakes {
            transform: translateX(70px);
        }
        .pancake {
            &:nth-child(2) {
                transform: scale(1);
                transition-delay: .2s;
            }
            &:nth-child(3) {
                transform: scale(1);
                transition-delay: .4s;
            }
        }
        .butter {
            transform: scale(1);
            transition-delay: .6s;
        }
    } 
}

.footer {
    flex-wrap: wrap;
    padding: 5rem 5rem 3rem;
    text-align: center;
    min-height: 20vh;
    display: flex;
    font: 14px/1.7 'Rubik';
    color: #fff;
    align-items: center;
    justify-content: center;
    a {
        text-decoration: none;
        color: #fff;
        padding: 3px 0;
        border-bottom: 1px dashed;
        &:hover {
            border-bottom: 1px solid;
        }
    }
}

footer {
    margin-top: 1.5rem;
    a {
        text-decoration: none;
        display: inline-block;
        width: 45px;
        height: 45px;
        border-radius: 50%;
        background: transparent;
        border: 1px dashed #fff;
        color: #fff;
        margin: 5px;
        &:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .icons {
            margin-top: 8px;
            display: inline-block;
            font-size: 20px;
            &:before {
                position: relative;
            }
        }
    }
}