nextcloud/apps/files_sharing/css/authenticate.css

#body-login form label.infield {
	width: 190px;
	padding: 10px;
	left: 8px;
	top: 8px;
}

#password {
	width: 190px !important;
	padding: 10px;
	margin:	6px;
}

input[type='submit'] {
	width: 45px;
	height: 45px;
	margin:	6px;
}

#body-login input[type='submit'] {
	position: absolute;
	top: 0px;
}