设置前：
<!DOCTYPE html><html lang="en"><head><meta charset="UTF-8"><title>表格样式</title></head><body><table><tr><th>名称</th><th>职位</th><th>收入</th></tr><tr class="info"><td>张三</td><td>老板</td><td>100000</td></tr><tr><td>李四</td><td>秘书</td><td>10000</td></tr><tr class="info"><td>王五</td><td>主管</td><td>20000</td></tr></table></body></html>
进行设置：
<style>table, th, td {border: 1px lightgray solid;border-collapse: collapse;}table {width: 80%;margin: 0px auto;}th, td {padding: 10px;}th {background-color: lightseagreen;color: white;}.info {background-color: lightskyblue;}</style>
