.site-header .header-content a.menu-toggle{
    display: inline-block;
    border: 1px solid rgb(39,87,161);
    margin-right:20px;
    border-radius:30px;
    line-height:30px;
    padding-left:15px;
    padding-right:15px;
    margin-top:5px;
    margin-bottom:5px;
    background:white;
}