2023-11-27 71
效果图:
案例中的太阳 包括月亮动画 都是依靠关键帧动画以及定位进行实现 代码如下:
太阳:
html:
css:
.box { position: relative; font-size: 1rem; } .sunny { position: absolute; top: 50%; left: 40%; } .box-1 { position: relative; width: 2.5em; height: 2.5em; margin: -1.25em; background: currentColor; border-radius: 50%; box-shadow: 0 0 0 0.375em orange; animation: spin 12s infinite linear; } .rays { position: absolute; top: -2em; left: 50%; display: block; width: 0.375em; height: 1.125em; margin-left: -0.1875em; background: yellow; border-radius: 0.25em; box-shadow: 0 5.375em yellow; } .rays:before, .rays:after { content: ""; position: absolute; top: 0em; left: 0em; display: block; width: 0.375em; height: 1.125em; transform: rotate(60deg); transform-origin: 50% 3.25em; background: yellow; border-radius: 0.25em; box-shadow: 0 5.375em yellow; } .rays:before { transform: rotate(120deg); } @keyframes spin { 100% { transform: rotate(360deg); } }
下雨:
html:
css:
/* 下雨 */ .rainy { position: absolute; top: 50%; left: 60%; } .cloud { position: absolute; z-index: 1; width: 3.6875em; height: 3.6875em; margin: -1.84375em; background: currentColor; border-radius: 50%; box-shadow: -2.1875em 0.6875em 0 -0.6875em, 2.0625em 0.9375em 0 -0.9375em, 0 0 0 0.375em lightgray, -2.1875em 0.6875em 0 -0.3125em lightgray, 2.0625em 0.9375em 0 -0.5625em lightgray; } .cloud:after { content: ""; position: absolute; bottom: 0; left: -0.5em; display: block; width: 4.5625em; height: 1em; background: currentColor; box-shadow: 0 0.4375em 0 -0.0625em lightgray; } .cloud:nth-child(2) { z-index: 0; background: #fff; box-shadow: -2.1875em 0.6875em 0 -0.6875em #fff, 2.0625em 0.9375em 0 -0.9375em #fff, 0 0 0 0.375em #fff, -2.1875em 0.6875em 0 -0.3125em #fff, 2.0625em 0.9375em 0 -0.5625em #fff; opacity: 0.3; transform: scale(0.5) translate(6em, -3em); animation: cloud 4s linear infinite; } .cloud:nth-child(2):after { background: #fff; } .rain, .lightning, .snow { position: absolute; z-index: 2; top: 50%; left: 20%; width: 3.75em; height: 3.75em; margin: 0.375em 0 0 -2em; background: currentColor; } .rain:after { content: ""; position: absolute; z-index: 2; top: 50%; left: 50%; width: 1.125em; height: 1.125em; margin: -1em 0 0 -0.25em; background: #0cf; border-radius: 100% 0 60% 50% / 60% 0 100% 50%; box-shadow: 0.625em 0.875em 0 -0.125em rgba(255, 255, 255, 0.2), -0.875em 1.125em 0 -0.125em rgba(255, 255, 255, 0.2), -1.375em -0.125em 0 rgba(255, 255, 255, 0.2); transform: rotate(-28deg); animation: rain 3s linear infinite; } @keyframes cloud { 0% { opacity: 0; } 50% { opacity: 0.3; } 100% { opacity: 0; transform: scale(0.5) translate(-200%, -3em); } } @keyframes rain { 0% { background: #0cf; box-shadow: 0.625em 0.875em 0 -0.125em rgba(255, 255, 255, 0.2), -0.875em 1.125em 0 -0.125em rgba(255, 255, 255, 0.2), -1.375em -0.125em 0 #0cf; } 25% { box-shadow: 0.625em 0.875em 0 -0.125em rgba(255, 255, 255, 0.2), -0.875em 1.125em 0 -0.125em #0cf, -1.375em -0.125em 0 rgba(255, 255, 255, 0.2); } 50% { background: rgba(255, 255, 255, 0.3); box-shadow: 0.625em 0.875em 0 -0.125em #0cf, -0.875em 1.125em 0 -0.125em rgba(255, 255, 255, 0.2), -1.375em -0.125em 0 rgba(255, 255, 255, 0.2); } 100% { box-shadow: 0.625em 0.875em 0 -0.125em rgba(255, 255, 255, 0.2), -0.875em 1.125em 0 -0.125em rgba(255, 255, 255, 0.2), -1.375em -0.125em 0 #0cf; } }
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