filter: sepia(10%);
}
.sepia2 {
filter: sepia(60%);
}
.sepia3 {
filter: sepia(100%);
}
.shadow1 {
filter: drop-shadow(2px 2px 2px red);
}
.shadow2 {
filter: drop-shadow(8px 8px 1px purple);
}
.shadow3 {
filter: drop-shadow(1px 1px 10px hotpink);
}
</style>
<body>
<div class="filter1">
<p>给图像绘制高斯模糊，值越大越模糊</p>
<ul>
<li class="blur1">blur</li>
<li class="blur2">blur</li>
<li class="blur3">blur</li>
</ul>
</div>
<div class="filter2">
<p>给图像一种线性乘法使看起来更亮或者更暗。值为0图像全黑；值超过100%图像更亮</p>
<ul>
<li class="brightness1">brightness</li>
<li class="brightness2">brightness</li>
<li class="brightness3">brightness</li>
</ul>
</div>
<div class="filter3">
<p>调整图像对比度。值为0，图像全黑；值超过100%会运用更低的对比</p>
<ul>
<li class="contrast1">contrast</li>
<li class="contrast2">contrast</li>
<li class="contrast3">contrast</li>
</ul>
</div>
<!-- <div class="filter4">
<p>blur</p>
<ul>
<li class="blur1">blur</li>
<li class="blur2">blur</li>
<li class="blur3">blur</li>
</ul>
</div> -->
<div class="filter5">
<p>图像转换为灰度图像，值为0图像无变化；值为100%完全转换为灰度图像</p>
<ul>
<li class="grayscale1">grayscale</li>
<li class="grayscale2">grayscale</li>
<li class="grayscale3">grayscale</li>
</ul>
</div>
<div class="filter6">
<p>给图像用色相旋转。值为0deg图像无变化；没有最大值，超过360deg相当于又绕一圈</p>
<ul>
<li class="huerotate1">huerotate</li>
<li class="huerotate2">huerotate</li>
<li class="huerotate3">huerotate</li>
</ul>
</div>
<div class="filter7">
<p>反转输入图像。0%图像无变化，100%图像完全反转</p>
<ul>
<li class="invert1">invert</li>
<li class="invert2">invert</li>
<li class="invert3">invert</li>
</ul>
</div>
<div class="filter8">
<p>转化图像的透明度。0%，完全透明；100%图像无变化</p>
