.login-form, .change-pass-form { margin: 0 20px; }
.field-input { margin-bottom: 15px; }
.field-input input { width: 100%; }
.login-form input[type=checkbox] { margin-right: 5px; position: relative; top: 2px; }
.actions { margin-top: 15px; }

@media (min-width: 768px)
{
    .login-form, .change-pass-form { margin: 0 0 0 10px; width: 33%; }
}