.Heading1 
{
    font-size: 18px;
    font-weight: bold;
    margin-top: 18px;
    display: block;
}

.Heading2 
{
    font-size: 16px;
    font-weight: bold;
    display: block;    
}

.Heading3
{
    font-size: 14px;
    font-weight: bold;
    display: block;    
}

.Heading4
{
    font-size: 12px;
    font-weight: bold;
    display: block;    
}