.main_menu_learn a {
    padding-top: 14px;
    padding-left: 15px;
    padding-bottom: 12px;
    padding-right: 8px;
    height: 35px;
    width: 140px;
    color: #ffffff;
    background-color: #2b2d22;
    font-weight: bold;
    font-family: Arial, Helvetica, Geneva, sans-serif; 
    line-height: 35px;
}

#lad {
    float: right;
    float: left;
}    

#about_dart {
    float: right;
    float: left;
}

#mission {
    float: right;
    float: left;
}

#dart_facts {
    float: right;
    float: left;
}

#history {
    float: right;
    float: left;
}

#staff {
    float: right;
    float: left;
}    

#affiliates {
    float: right;
    float: left;
}

#blue {
    float: right;
    float: left;
    background-color: #3b4859;
    width: 146px;
    height: 64px;
}