main{margin-left:auto;margin-right:auto;width:fit-content}form button{margin-left:auto;margin-right:auto;display:block;margin-top:1em}form label{display:inline-block;width:5em;text-align:left}form input{margin-top:1em}form{width:fit-content;margin-left:auto;margin-right:auto;padding-bottom:.5em}#error{text-align:center}button#buttonSSOLogin{display:block;margin-left:auto;margin-right:auto}