一款有趣的纯CSS实现的萤火虫开关

CSS Firefly Checkbox，选中时，萤火虫张开翅膀发出亮光。

css3, toggle, widget

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HTML
CSS
JavaScript
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JavaScript

编译

CSS

body {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    height: 100vh;
    background: radial-gradient(#0a2a43 30%, #09243a);
    font-family: 'Asap', sans-serif;
}
body:after {
    content: '';
    display: block;
    position: absolute;
    top: 1rem;
    right: 1rem;
    bottom: 1rem;
    left: 1rem;
    border: 4px solid #071c2d;
    border-radius: 2px;
    background: none;
    pointer-events: none;
}
.label {
    flex: 0;
    color: #b8c5d0;
    letter-spacing: .04em;
    text-align: center;
    margin-bottom: 2rem;
    font-size: 3rem;
}
@media screen and (min-width: 60rem) {
    .label {
        font-size: 5vw;
    }
}
.checkbox-wrap {
    flex: none;
    position: relative;
    width: 10%;
    min-width: 8rem;
    z-index: 1;
}
.checkbox-wrap:after {
    content: '';
    display: block;
    padding-top: 50%;
}
.checkbox {
    display: none;
}
.checkbox:checked ~ .firefly .abdomen {
    background: #27231e;
    box-shadow: inset 0 0 1.5rem rgba(150, 0, 0, 0.75);
    animation: flicker 4000ms ease infinite;
}
.checkbox:checked ~ .firefly .wing-a {
    transform: rotate(30deg);
}
.checkbox:checked ~ .firefly .wing-b {
    transform: rotate(-30deg);
}
.head {
    position: absolute;
    top: 15%;
    left: 60%;
    bottom: 15%;
    background: #27231e;
    width: 70%;
    border-radius: 40% 80% 80% 40%;
    box-shadow: inset -0.1rem 0 0 0.3rem rgba(14, 10, 10, 0.2);
}
.eyes {
    position: absolute;
    top: -5%;
    right: 10%;
    bottom: -5%;
    width: 35%;
}
.eyes:before,
.eyes:after {
    content: '';
    display: block;
    position: absolute;
    right: 0;
    width: 100%;
    box-sizing: border-box;
    border-radius: 100%;
    background: #0e0a0a;
    padding-top: 100%;
}
.eyes:before {
    top: 0;
}
.eyes:after {
    bottom: 0;
}
.antennae {
    position: absolute;
    top: 20%;
    left: -150%;
    bottom: 20%;
    width: 400%;
    z-index: -1;
}
.antennae:before,
.antennae:after {
    content: '';
    display: block;
    position: absolute;
    right: 0;
    width: 100%;
    box-sizing: border-box;
    border-color: #0e0a0a;
    border-style: solid;
    padding-top: 65%;
    border-width: .25rem .25rem .25rem 0;
}
.antennae:before {
    top: 80%;
    border-radius: 0 100% 100% 100%;
}
.antennae:after {
    bottom: 80%;
    border-radius: 100% 100% 100% 0;
}
.thorax {
    position: absolute;
    top: 0;
    left: 100%;
    bottom: 0;
    background: #d43b1f;
    width: 30%;
    border-radius: 20% 80% 80% 20%;
    box-shadow: inset -0.1rem 0 0.1rem 0.3rem rgba(0, 0, 0, 0.2);
}
.abdomen {
    position: absolute;
    top: 10%;
    right: 20%;
    bottom: 10%;
    background: #27231e;
    width: 100%;
    transition: all 1000ms ease;
    border-radius: 100% 30% 30% 100%;
    box-sizing: border-box;
}
.abdomen:after {
    content: '';
    display: block;
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background: repeating-linear-gradient(90deg, transparent 0, transparent 15%, rgba(0, 0, 20, 0.1) 15%, rgba(0, 0, 20, 0.1) 20%);
    mix-blend-mode: multiply;
    border-radius: 100% 30% 30% 100%;
    z-index: 0;
    box-shadow: inset -1rem 0 0.2rem 0.3rem rgba(0, 0, 0, 0.1);
}
.wings {
    position: absolute;
    top: -20%;
    right: 0;
    bottom: -20%;
    left: -5%;
    z-index: 1;
}
.wings .wing {
    position: absolute;
    right: 0;
    background: repeating-linear-gradient(#27231e 0%, #27231e 40%, #191613 40%, #191613 60%);
    width: 100%;
    height: 50%;
    transition: all 200ms ease-out;
    border: 1px solid #40341d;
    box-sizing: border-box;
    box-shadow: inset 0.2rem 0 0.1rem 0.5rem rgba(0, 0, 0, 0.5);
}
.wings .wing.wing-a {
    transform-origin: bottom right;
    top: 0;
    border-radius: 90% 30% 0 20%;
}
.wings .wing.wing-b {
    transform-origin: top right;
    top: 50%;
    border-radius: 20% 0 30% 90%;
}
@keyframes flicker {
    0%, 100% {
        background: #fefa01;
        box-shadow: 0 0 1rem #fefa01, inset -0.25rem 0 0 0.5rem rgba(14, 10, 10, 0.1);
    }
    30%,
    70% {
        background: #fffd99;
        box-shadow: -1rem 0 8rem 1rem #fefa01, inset -0.25rem 0 0 0.5rem rgba(14, 10, 10, 0.1);
    }
    50% {
        box-shadow: -1rem 0 8rem 1rem rgba(254, 250, 1, 0.8), inset -0.25rem 0 0 0.5rem rgba(14, 10, 10, 0.1);
    }
}

HTML

CSS Firefly Checkbox，选中时，萤火虫张开翅膀发出亮光。

css3, toggle, widget

编辑器支持Emmet

快捷键

CSS Firefly Checkbox，选中时，萤火虫张开翅膀发出亮光。

css3, toggle, widget

一款纯CSS3实现的易于定制的环状加载器

一款很棒的HTML5+GSAP实现的日夜切换开关控件

编辑器支持Emmet

快捷键

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