答案 0 :(得分:64)
您可以将:first-child
设置为宽度100%,将其余孩子:not(:first-child)
设置为flex: 1
。要将它们放在多行上,请在容器上使用flex-wrap: wrap
:
.container {
display: flex;
justify-content: space-between;
flex-wrap: wrap;
background: #e2eaf4;
padding: 10px;
}
.child {
display: inline-block;
font-family: "Open Sans", Arial;
font-size: 20px;
color: #FFF;
text-align: center;
background: #3794fe;
border-radius: 6px;
padding: 20px;
margin: 12px;
}
.child:first-child {
width: 100%;
}
.child:not(:first-child) {
flex: 1;
}
<div class="container">
<div class="child">Child</div>
<div class="child">Child</div>
<div class="child">Child</div>
</div>
答案 1 :(得分:11)
为您的第一件商品添加width: 100%;
。其他人flex: 1;
。
.flex {
display: flex;
flex-wrap: wrap;
}
.flex-item:not(:first-child) {
flex: 1;
}
.flex-item:nth-child(1) {
width: 100%;
}
/* Styles just for demo */
.flex-item {
background-color: #3794fe;
margin: 10px;
color: #fff;
padding: 20px;
border-radius: 5px;
}
<div class="flex">
<div class="flex-item">
Child
</div>
<div class="flex-item">
Child
</div>
<div class="flex-item">
Child
</div>
</div>
答案 2 :(得分:0)
另一种利用flex-basis
选项(使用这种格式flex: 1 1 100%
时的第三个值)的解决方案。
.flexContainer {
display: flex;
flex-wrap: wrap;
}
.item:first-child {
flex: 1 1 100%;
margin-bottom: 20px;
}
.item {
flex: 1 1 40%;
height: 50px;
background-color: red;
margin: 0 20px;
}
<div class="flexContainer">
<div class="item"></div>
<div class="item"></div>
<div class="item"></div>
</div>