#login_form, #registration_form { width: 300px;}
/*#login_form { margin-right: 100px; }*/

#login_form, #registration_form { float: left; }

.form_li { list-style: none; margin-bottom: 5px; }
.form_li .name { display: inline-block; width: 150px; float: left; }
.login_text_box { width: 150px; }