话不多说,先上效果图
受制于网站的容量,最多只能上传4MB的动图,所以我调快了动画的速度,缩短了动图的工夫,实际上动画是很弛缓的。
说到动画,家喻户晓,突变是不可能应用通过keyframes实现动画过渡成果的,只会忽然的扭转色彩。
例如,如果关键帧代码如下
@keyframes test { 0%{ background: linear-gradient(60deg, rgba(84,58,183,1) 0%, rgba(0,172,193,1) 100%); } 100%{ background: linear-gradient(60deg, rgb(173, 162, 218) 0%, rgb(201, 14, 189) 100%); }}
能够看到背景色并不会平滑的过渡,只会十分生硬忽然的色彩变动,显然不是咱们想要的成果。
换个想法,没必要局限于在keyframes中应用linear-gradient来实现突变动画成果,linear-gradient不可能平滑过渡,然而position能够呀,所以咱们先实现这样的成果
html代码如下
<div class="header"> <div class="inner-header flex"> <svg version="1.1" class="logo" baseProfile="tiny" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px" viewBox="0 0 500 500" xml:space="preserve"> <path fill="#FFFFFF" stroke="#000000" stroke-width="10" stroke-miterlimit="10" d="M57,283" /> <g> <path fill="#fff" d="M250.4,0.8C112.7,0.8,1,112.4,1,250.2c0,137.7,111.7,249.4,249.4,249.4c137.7,0,249.4-111.7,249.4-249.4 C499.8,112.4,388.1,0.8,250.4,0.8z M383.8,326.3c-62,0-101.4-14.1-117.6-46.3c-17.1-34.1-2.3-75.4,13.2-104.1 c-22.4,3-38.4,9.2-47.8,18.3c-11.2,10.9-13.6,26.7-16.3,45c-3.1,20.8-6.6,44.4-25.3,62.4c-19.8,19.1-51.6,26.9-100.2,24.6l1.8-39.7 c35.9,1.6,59.7-2.9,70.8-13.6c8.9-8.6,11.1-22.9,13.5-39.6c6.3-42,14.8-99.4,141.4-99.4h41L333,166c-12.6,16-45.4,68.2-31.2,96.2 c9.2,18.3,41.5,25.6,91.2,24.2l1.1,39.8C390.5,326.2,387.1,326.3,383.8,326.3z" /> </g> </svg> </div> <div> <svg class="waves" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" viewBox="0 24 150 28" preserveAspectRatio="none" shape-rendering="auto"> <defs> <path id="gentle-wave" d="M-160 44c30 0 58-18 88-18s 58 18 88 18 58-18 88-18 58 18 88 18 v44h-352z" /> </defs> <g class="parallax"> <use xlink:href="#gentle-wave" x="48" y="0" fill="rgba(255,255,255,0.7" /> <use xlink:href="#gentle-wave" x="48" y="3" fill="rgba(255,255,255,0.5)" /> <use xlink:href="#gentle-wave" x="48" y="5" fill="rgba(255,255,255,0.3)" /> <use xlink:href="#gentle-wave" x="48" y="7" fill="#fff" /> </g> </svg> </div></div>css代码如下
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