.main_content{
    width: 90%;
    margin: 20px auto 50px auto;
}
img{
    width: 100%;
}
.item_title{
    text-align: center;
    margin-bottom: 20px;
}
.item_title b{
    font-size: 20px;
}
.content_item{
    margin-bottom: 50px;
}
.contact_info{
    display: flex;
    justify-content: space-between;
}
.contact_info img{
    width: 25px;
    margin-right: 15px;
}
.info_each{
    display: flex;
    align-items: center;
}
.c_text{
    line-height: 2em;
}