@charset "utf-8";

* {
    padding: 0;
    margin: 0;
}

body {
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: all 200ms ease;
}

.box > div {
    transition: all 200ms ease;
}

.light {
    background: pink;
}

.light .box {
    width: 120px;
    height: 60px;
    background: #fdd6df;
    border-radius: 30px;
    display: flex;
    align-items: center;
    position: absolute;
}

.light .box > div {
    position: absolute;
    left: 5px;
    width: 50px;
    height: 50px;
    border-radius: 25px;
    background: pink url(image/太阳.png) 6px 7px no-repeat;
    background-size: 35px 35px;
}

.dark {
    background: rgba(50,50,50,1);
}

.dark .box {
    width: 120px;
    height: 60px;
    background: rgba(70,70,70,1);
    border-radius: 30px;
    display: flex;
    align-items: center;
    position: absolute;
}

.dark .box > div {
    position: absolute;
    left: 65px;
    width: 50px;
    height: 50px;
    border-radius: 25px;
    background: rgba(50,50,50,1) url(image/月亮.png) 6px 7px no-repeat;
    background-size: 35px 35px;
}