.contentDiv{
    width: 70%;
}
.contentDiv h4{
    font-family: Arial;
    font-size: 1rem;
    font-weight: bold;
    color: #00479d;
    margin-top: 5%;
}
.contentDiv p{
    font-family: Arial;
    font-size: 1.1vw;
    font-weight: normal;
    color: #999999;
    margin-top: 3%;
}
.logo404{
    width: 80%;
}
.bakchome_btn{
    width: 35%;
    position: absolute;
    left: 15px;
    bottom: 30%;
    cursor: pointer;
}
.bakcprepage_btn{
    width: 40%;
    position: absolute;
    left: 15px;
    bottom: 15%;
    cursor: pointer;
}