为了简单起见,假设你有一个宽度为100像素的div,里面有3个宽度为20像素的div。我该如何使它们对齐到div的中心,并在两侧留下20像素的间隔?
始终将一些HTML元素居中始终取决于您的项目和集成依赖关系...
您可能会对以下两种解决方案感到满意:display:inline-block; 和 float:left;
两者都有优缺点,希望这能帮到您!
<!-- Inline-block -->
<div id='container'>
<div class='centered' id='content-left'></div><div class='centered' id='content-center'></div><div class='centered' id='content-right'></div>
</div>
#container {
width: 100px;
height: 80px;
text-align: center;
background: cyan;
}
#container .centered {
display: inline-block;
width: 20px;
height: 100%;
margin: auto;
background: magenta;
border: 1px solid black;
box-sizing: border-box;
}
<!-- Floating -->
<div id='container-2'>
<div class='centered' id='content-2-left'></div>
<div class='centered' id='content-2-center'></div>
<div class='centered' id='content-2-right'></div>
</div>
#container-2 {
width: 60px; /* 60px + 2*20px of padding... */
height: 80px;
padding: 0 20px;
text-align: center;
background: cyan;
}
#container-2 .centered {
float: left;
width: 20px;
height: 100%;
margin: auto;
background: magenta;
border: 1px solid black;
box-sizing: border-box;
}
好的一天!这是我实现它的方式:
HTML
<div id="container">
<div class="child"></div>
<div class="child"></div>
<div class="child"></div>
</div>
#container {
width: 100px;
height: 100px;
border: 1px solid red; /** for viewing purposes **/
text-align: center; /** center the divs **/
font-size: 0; /** remove the unwanted space caused by display: inline-block in .child **/
}
#container .child {
display: inline-block; /** set the divs side-by-side **/
vertical-align: top;
width: 20px;
height: 100px;
font-size: 12px; /** override font-size: 0 of #container, so that text will be visible again **/
text-align: left; /** set text in the .child divs back to normal alignment **/
border: 1px solid blue; /** for viewing purposes **/
box-sizing: border-box;
}
我希望这能帮到你。干杯!:)