兩個div在同一行
<style>
.b,.c{float:left; margin-right:10px;}
</style>
<div class="a">
<div class="b">
test
</div>
<div class="c">
testc
</div>
</div>
.b,.c{float:left; margin-right:10px;}
</style>
<div class="a">
<div class="b">
test
</div>
<div class="c">
testc
</div>
</div>