.row2_back {
background: #060412 url(../images/travel/service_title.png) no-repeat center;
background-size: cover;
max-width: 100%;
height: 500px;
width: 100%;
}
.row3_back {
background: #060412 url(../images/travel/service_01.png) no-repeat center;
background-size: cover;
max-width: 100%;
height: 900px;
width: 100%;
}
.row4_back {
background: #060412 url(../images/travel/service_02.png) no-repeat center;
background-size: cover;
max-width: 100%;
height: 1400px;
width: 100%;
}
.banner {
    width: 100%;
}
@media only screen and (max-width: 1200px) {
.header_line {
height: 180px !important;
}
.row2_back {
height: 450px;
}
.row3_back {
height: 750px;
}
.row4_back {
height: 1100px;
}
}
@media only screen and (max-width: 1050px) {
.header_line {
height: 160px !important;
}
.row2_back {
height: 300px;
}
.row3_back {
height: 500px;
}
.row4_back {
height: 800px;
}
}
@media only screen and (max-width: 750px) {
.row2_back {
height: 300px;
}
.row3_back {
height: 450px;
}
.row4_back {
height: 700px;
}
}
@media only screen and (max-width: 550px) {
.header_line {
height: 120px !important;
}
.row2_back {
height: 200px;
}
.row3_back {
height: 330px;
}
.row4_back {
height: 500px;
}
}
@media only screen and (max-width: 450px) {
.header_line {
height: 120px !important;
}
.row2_back {
height: 150px;
}
.row3_back {
height: 240px;
}
.row4_back {
height: 350px;
}
.ft_wrap {
height: 100px;
}
}