#about_us_left_img{
width: 380px;
height: 253px;
background: url(../img/about_us/about_us_left_img.jp);
background-repeat: no-repeat;
background-position: 15px 5px;
border-width: 0px;
border-style: solid;
border-color: #ffffff;
float: left;
}

#about_us_left_img_item1 {
width: 360px;
height: 54px;
background: url(../img/about_us/1.jpg);
float: left;
margin-left: 15px;
margin-top: 10px;
}

#about_us_left_img_item2 {
width: 360px;
height: 54px;
background: url(../img/about_us/2.jpg);
float: left;
margin-left: 15px;
margin-top: 10px;
}

#about_us_left_img_item3 {
width: 360px;
height: 54px;
background: url(../img/about_us/3.jpg);
float: left;
margin-left: 15px;
margin-top: 10px;
}

#about_us_left_img_item4 {
width: 360px;
height: 54px;
background: url(../img/about_us/4.jpg);
float: left;
margin-left: 15px;
margin-top: 10px;
}

#about_us_left_img_item5 {
width: 360px;
height: 54px;
background: url(../img/about_us/5.jpg);
float: left;
margin-left: 15px;
margin-top: 10px;
}

#about_us_left_img_item6 {
width: 360px;
height: 54px;
background: url(../img/about_us/6.jpg);
float: left;
margin-left: 15px;
margin-top: 10px;
}

#about_us_left_img_item7 {
width: 360px;
height: 54px;
background: url(../img/about_us/7.jpg);
float: left;
margin-left: 15px;
margin-top: 10px;
}