我有三个元素编码类似.infobtnlg, .twitter, .infobtnsm
。元素不会在div内居中
第一.infobtnlg
被一个div .section1
内很好地居中,我希望它是,第二.twitter
和第三.infobtnsm
没有它们各自的部分内的中心。宽度设置,左/右边距为自动。我加了text-align: center;
好的措施。
我错过了什么?
DEMO PLAYGROUND
HTML
<div class="trisection">
<div class="section1">
<button type="button" class="infobtnlg">The May Difference</button>
<button type="button" class="infobtnlg">Parent Reflections</button>
<button type="button" class="infobtnlg">Make a Gift</button>
</div>
<div class="section2">
<div class="twitter">
<img src="/images/twitter-bl.png" alt="twitter"/>Announcements
<hr>
</div>
</div>
<div class="section3">
<button type="button" class="infobtnsm" style="background-color: #003b76;">In the News</button>
<button type="button" class="infobtnsm" style="background-color: #5a9331;">The May Way</button>
<button type="button" class="infobtnsm" style="background-color: #ff0000;">Meet Our Teachers</button>
<button type="button" class="infobtnsm" style="background-color: #ffcc00;">Friends of May</button>
<button type="button" class="infobtnsm" style="background-color: #fb8d20;">The May Center</button>
</div>
</div>
CSS
.section1, .section2, .section3 {
width: 90%;
margin: 0px auto;
height: 255px;
text-align: center;
}
.infobtnlg, .twitter, .infobtnsm {
display: block;
width: 93%;
margin: 6px auto;
border-radius: 10px;
}
.infobtnlg {
font-family: Garamond, Georgia, 'Times New Roman', serif;
font-size: 1.5em;
background-color: #5a9332;
height: 77px;
text-shadow: -1px -1px 1px #3c3c3c;
box-shadow: -2px 2px 1px #3c3c3c;
}
.twitter {
height: 240px;
background-color: #fff;
background-image: url("/images/twfeed.png");
background-size: contain;
color: #5a9332;
font-size: 18px;
vertical-align: middle;
font-weight: bold;
border: solid 1px #e2dce0;
}
.infobtnsm{
font-family: Scala, Myriadbold, sans-serif;
font-size: 18px;
text-align: center;
height: 40px;
margin-bottom: 5px;
}
你可以在这里看到实时版本:[链接](http://may.lynnpatricia.com) – LKPatricia
如果你想知道为什么这个问题有这么多的意见,这是因为它正在meta - http:// meta .stackoverflow.com /问题/ 303724 /应-I-有汉dled-this-situation-better – Joehot200