css做的一些图形。
要先理解一个基础：css边框相接触的地方是45度平分空间的。
#k{ ?????width: 20px; ?????height: 30px; ?????border: 40px solid; ?????border-color: red green yellow blue; ???}图形一：
1 #talkbubble { ?2 ??????width: 120px; ?3 ??????height: 80px; ?4 ??????background: red; ?5 ??????position: relative; ?6 ??????} ?7 ??????#talkbubble:before { ?8 ????????content:""; 9 ????????position: absolute; 10 ????????right: 100%; 11 ????????top: 0px; 12 ????????width: 0; 13 ????????height: 0; 14 ????????border-top: 40px solid transparent; 15 ????????border-right: 80px solid red; 16 ????????border-bottom: 40px solid transparent; 17 ??????}18 ??????#talkbubble:after { 19 ????????content:"";20 ????????position: absolute; 21 ????????left: 100%; 22 ????????top: 0px; 23 ????????width: 0; 24 ????????height: 0; 25 ????????border-top: 40px solid transparent; 26 ????????border-left: 80px solid red; 27 ????????border-bottom: 40px solid transparent; 28 ??????}css 实现一些图形
原文地址：https://www.cnblogs.com/lola/p/9528955.html