table.three_clm thead tr th:first-child,table.three_clm tbody tr td:first-child{width:30%}table.three_clm thead tr th:nth-child(2),table.three_clm tbody tr td:nth-child(2){width:25%}table.three_clm thead tr th:last-child,table.three_clm tbody tr td:last-child{width:45%}