ul
{
    list-style-type: none;
}
#articles_wrapper
{
    margin: 40px 18px 25px 18px;
}
.articles_left
{
    float: left;
    width: 350px;
    margin-right: 40px;
    margin-bottom: 20px;
}
.articles_right
{
    float: left;
    width: 350px;
    margin-bottom: 20px;
}