<span style="
display: inline-block;
border-left: 14px solid #22d422;
border-right: 14px solid rgb(205, 226, 22);
border-bottom: 14px solid #dc1414;">
hahaha
</span>
hahaha
<span class="" style="
display: inline-block;
border-left: 14px solid transparent;
border-right: 14px solid transparent;
border-bottom: 14px solid #dc1414;">
hahaha
</span>
hahaha
宽度设为0就是三角形啦
https://blog.csdn.net/dengsi19361/article/details/70313132