#content{background-color: #ccc;padding: 50px 20px 20px;height: 400px;}
.tab-content{margin-top: 10px;padding:20px;-webkit-border-radius: 7px;-moz-border-radius: 7px;border-radius: 7px;border: 1px solid #C5C5C5;background: #FFF;min-height: 350px;}
.tab-content .form-horizontal{width: 450px;margin: 100px auto 0;}
.tab-content > div{width: 500px;margin: 0 auto;}
.tab-content > div > *{margin-bottom: 10px;}