.main_body { display: flex; flex-direction: column; align-items: stretch; width: 1200px; margin: 0px auto; }
.main_body .sub_waitting { display: flex; flex-direction: column; align-items: center; justify-content: center; background-color: #FFFFFF; margin-top: 30px; padding: 0 20px; box-shadow: #EBEBEB 0 0 10px; height: 500px; border-radius: 10px; font-size: 30px; line-height: 50px; }

@media only screen and (max-width: 568px) {
    .main_body { display: flex; flex-direction: column; align-items: stretch; width: 690rem; margin: 0px auto; }
    .main_body .sub_waitting { display: flex; flex-direction: column; align-items: center; justify-content: center; background-color: #FFFFFF; margin-top: 30rem; padding: 0 20rem; box-shadow: #EBEBEB 0 0 10rem; height: 500rem; border-radius: 10rem; font-size: 30rem; line-height: 50rem; }
}