.kuang_1{
    background: url("images/kuang_1.png") no-repeat;
    height:621px;
    margin-bottom: 45px;
}
.kuang_2 {
    background: url("images/kuang_2.png") no-repeat;
    height: 551px;
    margin-bottom: 45px;
}
.kuang_3 {
    background: url("images/kuang_3.png") no-repeat;
    height:364px;
    margin-bottom: 45px;
}
.kuang_4 {
    background: url("images/kuang_4.png") no-repeat;
    height:577px;
    margin-bottom: 45px;
}
.kuang_5 {
    background: url("images/kuang_5.png") no-repeat;
    height:388px;
    margin-bottom: 45px;
}
.kuang_6 {
    background: url("images/kuang_6.png") no-repeat;
    height:325px;
    margin-bottom: 45px;
}
.kuang_7 {
    background: url("images/kuang_7.png") no-repeat;
    height: 324px;
    margin-bottom: 45px;
}
.kuang_8 {
    background: url("images/kuang_8.png") no-repeat;
    height:357px;
    margin-bottom: 45px;
}
.kuang_9 {
    background: url("images/kuang_9.png") no-repeat;
    height: 462px;
    margin-bottom: 45px;
}