.content_table
{
    width: 100%;
}

.content_table th
{
    height: 55px;
}

.wide_coloumn
{
    width: 300px;
    min-width: 250px;
}

.medium_column
{
    width: 180px;
    max-width: 220px;
    min-width: 180px;
}

.small_column
{
    width: 100px;
    max-width: 200px;
    min-width: 100px;
}

.tiny_column
{
    width: 30px;
    max-width: 50px;
    min-width: 30px;
}