JSFiddle - React, Tailwind, and code Playground

by tiki zzz

HTML

<h3>4.用flex做导航(只适合三个布局)</h3>
        <div class="flex-cont flex-nav">
            <button class="f-btn">btn</button>
        <div class="nav-title">
            <h2>The big title</h2>
            <p>infomation</p>
        </div>            
            <button class="f-btn">btn</button>
        </div> 
        <div class="flex-cont flex-nav">
            <button class="f-btn">btn</button>
        <div class="nav-title">
            <h2>The big title</h2>
        </div>            
            <button class="f-btn">btn</button>
        </div>

CSS

h3{
    line-height: 36px;
    height: 36px;
    padding-left: 20px;
    background: #f2f2f2;
    margin:20px 0;
}
p{margin:0;padding:0}
.f-icon {
    display: block;
    width: 20px;
    height: 20px;
    background: #31BBEE;
    flex:none;
}
.flex-cont{
    /*定义为flexbox的"父元素"*/
    display: -webkit-box; 
    display: -webkit-flex;
    display: flex;
}
.flex-item{
    /*给"子元素"赋予自由伸缩的能力*/
    -webkit-box-flex: 1;
    -webkit-flex: 1;
    flex: 1;
    width: 0%;
}

/*导航*/
.flex-nav{
    border-top: 1px solid #ddd;
    border-bottom: 1px solid #ddd;
    height: 44px;
    line-height: 44px;
    margin-bottom: 10px;
    /*定义子元素垂直居中*/
    -webkit-box-align: center;
    -webkit-align-items: center;
    align-items: center;
    /*子元素沿主轴对齐方式均分*/
   /* -webkit-box-pack: justify;
    -webkit-justify-content: space-between;
    justify-content: space-between;*/
}
.flex-nav .nav-title {
    text-align: center;
    line-height: 1.2;
    width: 0%;
    -webkit-box-flex: 1;
    -webkit-flex: 1;
    flex: 1;
}
    
.flex-nav .nav-title p{
    color:#aaa;
    font-size: 12px;
}