#index_1 { background:url('images/index/PEI_Home_01.jpg') no-repeat; display:block; width:800px; height:327px; }
#index_2 { background:url('images/index/PEI_Home_02.jpg') no-repeat; display:block; width:800px; height:40px; }
#index_3 { display:block; width:800px; height:540px; }
#index_4 { background:url('images/index/GS_Home_2_04.jpg') no-repeat; display:block; width:800px; height:44px; }
#index_5 { display:block; width:800px; height:168px; }
#index_6 { background:url('images/index/GS_Home_2_06.jpg') no-repeat; display:block; width:800px; height:61px; }

#main_1 { background:url('images/main/PEI_Main_Header_01.jpg') no-repeat; display:block; width:800px; height:209px; }
#main_2 { background:url('images/main/PEI_Main_Header_02.jpg') no-repeat; display:block; width:800px; height:62px; }