.login-box{position:absolute;left:calc(50% - 200px);margin-top:75px;width:400px;background:#fff;border-radius:10px;padding:20px;}.login-box .form-header{padding:0;margin:0;color:#333;}.login-box .button-holder{padding:20px 0 0;display:flex;justify-content:center;}@media screen and (max-width:480px){.login-box{left:0;margin:75px 20px 10px;width:calc(100% - 40px);background:#fff;border-radius:10px;padding:20px;}}