<div class="box"></div>
<style>
.box{
width: 0; height: 0; border-top: 50px solid transparent; border-bottom: 50px solid transparent; border-left: 50px solid transparent; border-right: 50px solid red; }
</style>
<div class="box"></div> <style> .box{ width: 50px; height: 50px; margin: 100px auto; background-color: red; transform: skew(-25deg); } </style>
<div class="box"></div> <style> .box{ width: 50px; height: 50px; margin: 100px auto; color: #000; border: 1px solid; border-radius: 50%; outline: 10px solid; outline-offset: -26px; } </style>
暂停按钮的实现原理就是边框用border,里面的正方形用outline。由于outline有一个offset属性能够用来设置偏移量,而且是按照比例来的。web
其实若是再将outline-offset的值设置小一点,一个加好就出来了浏览器
<div class="box"></div> <style> .box{ width: 50px; height: 50px; margin: 100px auto; color: #000; border: 1px solid; border-radius: 50%; outline: 10px solid; outline-offset: -35px; } </style>
若是再将其旋转,就变成了一个关闭按钮函数
<div class="box"></div> <style> .box{ width: 50px; height: 50px; margin: 100px auto; color: #000; border: 1px solid; border-radius: 50%; outline: 10px solid; outline-offset: -35px; transform: rotate(45deg); }
<div class="box"></div> <style> .box{ width: 50px; height: 0px; margin: 100px auto; box-shadow: 36px 10px 0 3px red, 36px 0 0 3px red, 36px 20px 0 3px red; } </style>
<div class="box"></div> <style> .box{ width: 30px; height: 3px; margin: 100px auto; padding: 2px 0; border-top: 3px solid red; border-bottom: 3px solid red; background-clip: content-box; background-color: red; } </style>
由于box-shadow会按比例缩放,所以将第一个值设置为白色,而后将第二个值设置的比第一个值大就能够了spa
<div class="box"></div> <style> .box{ width: 30px; height: 30px; margin: 100px auto; background-color: #000; border-radius: 50%; box-shadow: 0 0 0 5px #fff,0 0 0 10px #000; } </style>
<div class="box"></div> <style> .box { width: 30px; height: 30px; margin: 100px auto; background-color: #000; border-radius: 50%; box-shadow: 0 0 0 5px #fff, 0 0 0 10px #000; outline: 36px solid #fff; outline-offset: -50px; } </style>
<div class="box"></div> <style> .box { width: 0; margin: 100px auto; border: 3px solid red; outline: 6px dotted red; outline-offset: 6px; } </style>
使用border制做三角形,使用box-shadow制做正方形,主要用了偏移3d
<div class="box"></div> <style> .box { width: 0; margin: 100px auto; color: red; border: 8px solid transparent; border-top: 8px solid red; box-shadow: 0 -12px 0 -4px; } </style>
实现这种效果的原理就是讲三角形设置成背景色,这样空心的三角形就出现了code
<div class="box"></div> <style> .box { width: 0; height: 8px; background-color:orange; border: 8px solid transparent; border-bottom: 8px solid #fff; } </style>
这个比较简单,就是经过渐变函数来实现,而后来个圆角边框orm
<div class="box"></div> <style> .box { width: 50px; height: 50px; border-radius: 50%; background-image: linear-gradient(to right,#ccc 50%,#000 50%); } </style>
外圈利用圆角边框,里面的竖线用渐变来作,而后再用旋转属性便可blog
<div class="box"></div> <style> .box { width: 50px; height: 50px; border-radius: 50%; border:2px solid #000; background: linear-gradient(to right,#fff 45%,#000 45%,#000 45%,#fff 55%); transform: rotate(40deg); } </style>
既然能作出一个三角形,那么就能够作出两个三角形。ip
<div class="box"></div> <style> .box { width: 0; height: 0; margin: 100px auto; border: 10px solid transparent; border-left: 10px solid red; -webkit-box-reflect: left 5px; box-reflect:left 5px; } </style>
须要在Chrome浏览器中打开,由于其余浏览器或许不支持it
<div class="box"></div> <style> .box { width: 32px; margin: 100px auto; border-top: 50px solid transparent; border-right: 22px solid #096; border-bottom-right-radius: 100%;; } </style>