效果
HTML
<ul class="box"> <li class="b-title">标题一</li> <li class="b-title">标题二</li> <li class="b-title">标题三</li> </ul>
CSS
.box {
display: flex;
}
.b-title {
flex: 1;
border: 1px solid red;
height: 80px;
display: flex;
align-items: center;
justify-content: center;
}