html,body{ margin: 0 auto; padding: 0; width:100%; height:100%; background-color: black; color: white; } .page-header{ margin: 0 auto; color:light-gray; height: 10%; } .header h1{ text-align: center; margin: 0 auto; font-family: arial; } .container-main .setup-form{ height:80%; } .container-main{ background-color: rgb(30,30,30); border-radius: 5px; color: rgb(200,100,0) !important; } .container-fluid{ padding-top: 20px; padding-bottom: 20px; } pre{ color: rgb(200,100,0) !important; }