Hello,
You can remove the background, border and box shadow from the module coding below:
Template.CSS - Line 778
#s5_bottom_row2 .module_round_box_outer .module_round_box_with_title, #s5_bottom_row2 .module_round_box_outer .module_round_box, .module_round_box_outer2-no_background .module_round_box_with_title, .module_round_box_outer2-no_background .module_round_box, #s5_drop_down .module_round_box_outer .module_round_box_with_title, #s5_drop_down .module_round_box_outer .module_round_box, .module_round_box_outer2-no_background .module_round_box_with_title, .module_round_box_outer2-no_background .module_round_box {
background: #ffffff none repeat scroll 0 0;
border: 1px solid #dfdfdf;
border-radius: 0 8px 8px;
box-shadow: 0 2px 3px #b7b7b7;
padding: 10px;
}