怎么把大白字放到中间 div id="container"> May I introduce myself Frontend Design UI/UX Design CSS #header_h3 {display:block;margin:0 auto;color: white;font-size: 50px} .title{margin:0 auto;color: white} 回复讨论(解决方案) .title{margin:0 auto;color: white; text-align: center;} class="text-center"
