$(document).ready(function(){
allbuttons = $(".button");
allbuttons.addClass("btn-block");
})
.btn-block + .btn-block{
margin-top: 0 !important;
}
.button {
border: 1px solid #0a3c59;
background: #3e779d;
background: -webkit-gradient(linear, left top, left bottom, from(#65a9d7), to(#3e779d));
background: -webkit-linear-gradient(top, #65a9d7, #3e779d);
background: -moz-linear-gradient(top, #65a9d7, #3e779d);
background: -ms-linear-gradient(top, #65a9d7, #3e779d);
background: -o-linear-gradient(top, #65a9d7, #3e779d);
background-image: -ms-linear-gradient(top, #65a9d7 0%, #3e779d 100%);
padding: 10.5px 21px;
-webkit-border-radius: 8px;
-moz-border-radius: 8px;
border-radius: 8px;
-webkit-box-shadow: rgba(255,255,255,0.4) 0 0px 0, inset rgba(255,255,255,0.4) 0 1px 0;
-moz-box-shadow: rgba(255,255,255,0.4) 0 0px 0, inset rgba(255,255,255,0.4) 0 1px 0;
box-shadow: rgba(255,255,255,0.4) 0 0px 0, inset rgba(255,255,255,0.4) 0 1px 0;
text-shadow: #7ea4bd 0 1px 0;
color: #06426c;
font-size: 17px;
font-family: helvetica, serif;
text-decoration: none;
vertical-align: middle;
}
.button:hover {
border: 1px solid #0a3c59;
text-shadow: #1e4158 0 1px 0;
background: #3e779d;
background: -webkit-gradient(linear, left top, left bottom, from(#65a9d7), to(#3e779d));
background: -webkit-linear-gradient(top, #65a9d7, #3e779d);
background: -moz-linear-gradient(top, #65a9d7, #3e779d);
background: -ms-linear-gradient(top, #65a9d7, #3e779d);
background: -o-linear-gradient(top, #65a9d7, #3e779d);
background-image: -ms-linear-gradient(top, #65a9d7 0%, #3e779d 100%);
color: #fff;
}
.button:active {
text-shadow: #1e4158 0 1px 0;
border: 1px solid #0a3c59;
background: #65a9d7;
background: -webkit-gradient(linear, left top, left bottom, from(#3e779d), to(#3e779d));
background: -webkit-linear-gradient(top, #3e779d, #65a9d7);
background: -moz-linear-gradient(top, #3e779d, #65a9d7);
background: -ms-linear-gradient(top, #3e779d, #65a9d7);
background: -o-linear-gradient(top, #3e779d, #65a9d7);
background-image: -ms-linear-gradient(top, #3e779d 0%, #65a9d7 100%);
color: #fff;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<link href="http://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css" rel="stylesheet"/>
<div id="x">
<a href='#' class='button'>Button</a>
<a href='#' class='button'>Button</a>
</div>
欢迎堆栈溢出!请回顾[**如何问**](http://stackoverflow.com/help/how-to-ask)关于Stack Overflow的问题以及哪些类型的问题[**可以被问到**](http:/ /stackoverflow.com/help/on-topic)和什么类型[**应避免。**](http://stackoverflow.com/help/dont-ask) –
重复:http://stackoverflow.com/ question/12061139/making-button-go-full-width – Rvervuurt
添加宽度以包装'div'并将宽度添加到按钮为'100%'将完成这项工作。 ** [小提琴](http://jsfiddle.net/Lhfqnxvw/)**。 PS-请考虑阅读@ Paulie_D评论的链接。 –