#wrap header {
    padding: 2rem;
}
#wrap main {
    padding-top: 2.5rem;
}
#wrap header .img_wrap {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
#wrap header .logo{
    width:12rem;
    height: 2rem;
}
#wrap header .back{
    width: 2.5rem;
}