table.invoice tr th {
    width: 50%;
}


#buyer_details, #provider_details {
    display: float;
    width: 48%;
}

#buyer_details {  float: right; }
#provider_details {  float: left; }

#actions {
    text-align: center;
    margin-bottom: 20px;
    list-style: none;
}

#actions li {
    display: inline;
}
