.mid_cell   { background-color: #fff; background-image: none; background-repeat: repeat-y; vertical-align: top }
.main  { width: 775px; float: left }

.V_A   { background-color: #fff }
.V_B  { background-color: #c4ff7f }
.V_C  { background-color: #d0eb7f }
.V_D  { background-color: #e1ce7f }
.V_E  { background-color: #f3b17f }
.V_F  { background-color: #ff9d7f }