#content-start  {background-color: #e6e6e6 !important;}

#default {
    width: 100% !important;
}

#content-start .subitem {
    display: flex;
    justify-content: space-around; 
    flex-wrap: nowrap;
}

#content-start .btn {
    font-size: 24px !important;
}


#content-start .btn-custom-green {
    background-color: #e0d0bb !important;
    color: #000000 !important;
    border-color: #e0d0bb !important;
}