.Title1CssClass
{
    background-image: url(Images/Title1BackGround.gif);
    background-repeat: no-repeat;
}

.QuestionCssClass
{
    background-image: url(Images/QuestionBackground.png);
    background-repeat: no-repeat;
}
.QuestionErrorCssClass
{
    background-image: url(Images/QuestionBackground.png);
    background-repeat: no-repeat;
    color: Red;
}