Syntax
border-radius:length|percentage {1,4}
Two parameters: diagonal angles are equal.
Three parameters.
Four parameters:
General The private prefix is first and the default attribute is last, because the page is parsed from top to bottom
-moz-border-radius : 10px; -webkit-border-radius : 10px; -o-border-radius : 10px; -ms-border-radius : 10px; border-radius : 10px;
##Rendering;
#Code
<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>CSS圆角实现</title> <style type="text/css"> /* 方块样式定义 正方形要产生圆形:半径等于宽或高(border+padding+content)的一半 要注意块的总大小 = border(around)+padding(around)+content(around)+margin(around) */ div { width: 150px; height: 150px; background: #000000; padding: 50px; margin: 50px; } div p { text-align: center; color: #5b90e7; font-size: 15px; font-weight: 700; line-height: 20px; } span{display:inline-block;} ul { padding: 0; margin: 0; list-style: none; display: inline-block; } ul li { float: left; } /* border-radius */ ul .T11 { border-top-left-radius: 125px; } ul .T22 { border-top-right-radius: 125px; } ul .T33 { border-bottom-right-radius: 125px; } ul .T44 { border-bottom-left-radius: 125px } ul .T1 { border-radius: 125px } ul .T2 { border-radius: 125px 60px; } ul .T3 { border-radius: 125px 90px 45px } ul .T4 { border-radius: 125px 90px 45px 20px; } </style></head><body> <ul> <li> <div class="T11"> <p>border-top-left-radius:125px</p> </div> </li> <li> <div class="T22"> <p>border-top-right-radius:125px</p> </div> </li> <li> <div class="T33"> <p>border-bottom-right-radius:125px</p> </div> </li> <li> <div class="T44"> <p>border-bottom-left-radius:125px</p> </div> </li> </ul> <span>精确到每个部位的角度写法</span> <hr> <ul> <li> <div class="T1"> <p>一个参数:所有半径相等</p <p>border-radius:125px</p> </div> </li> <li> <div class="T2"> <p>两个参数:对角相等.第一个参数:左上角=右下角;第二个参数:右上角=左下角</p> <p>border-radius:125px 60px;</p> </div> </li> <li> <div class="T3"> <p>三个参数.第一个参数:左上角;第二个参数:右上角=左下角;第三个参数:右下角</p> <p>border-radius:125px 90px 45px</p> </div> </li> <li> <div class="T4"> <p>四个参数:自左上角到左下角,顺时针</p> <p>border-radius:125px 90px 45px 20px;</p> </div> </li> </ul> <span>精确到每个部位的角度缩写</span></body></html>