nav{
    display: block;
    text-align: center;
}
.pagination {
    display: inline-block;
    padding-left: 0;
    margin: 20px 0;
    border-radius: 4px;
}
.pagination>li {
    display: inline;
}
.pagination>li:first-child>a, .pagination>li:first-child>span {
    margin-left: 0;
    border-top-left-radius: 4px;
    border-bottom-left-radius: 4px;
}
.pagination>li>a, .pagination>li>span {
    position: relative;
    float: left;
    padding: 6px 12px;
    margin-left: -1px;
    line-height: 1.42857143;
    color: #337ab7;
    text-decoration: none;
    background-color: #fff;
    border: 1px solid #ddd;
}
.pagination>.active>a, .pagination>.active>a:focus, .pagination>.active>a:hover, .pagination>.active>span, .pagination>.active>span:focus, .pagination>.active>span:hover {
    z-index: 3;
    color: #fff;
    cursor: default;
    background-color: #337ab7;
    border-color: #337ab7;
}
.pagination>li:last-child>a, .pagination>li:last-child>span {
    border-top-right-radius: 4px;
    border-bottom-right-radius: 4px;
}