.customer_list_long{display: block; overflow: hidden; margin: auto;}
.customer_list_long ul{list-style: none; margin: 0; padding: 0; text-align: center;}
.customer_list_long ul li{display: inline-block; margin: 0 10px 10px 4px; vertical-align: bottom;}
.customer_list_long ul li>div{height: 100%; display: table; margin: auto;}
.customer_list_long ul li>div>div{display: table-cell;  vertical-align: middle; height: 100%;}
.customer_list_long ul li>div>div>img{height: auto; width: auto;}

.customer_list_multi_row{display: block; max-width: 1200px; overflow: hidden; margin-bottom: 30px; margin-left: auto; margin-right: auto;}
.customer_list_multi_row ul{list-style: none; margin: 0; padding: 0; text-align: center;}
.customer_list_multi_row ul li{display: inline-block; height: 70px; width: 195px; margin: 0 10px; margin-bottom: 10px; vertical-align: bottom;}
.customer_list_multi_row ul li>div{height: 100%; display: table; margin: auto;}
.customer_list_multi_row ul li>div>div{display: table-cell;  vertical-align: bottom;}
.customer_list_multi_row ul li>div>div img{max-height: 70px; width: auto;}