*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body{
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-image: url('../../images/common/tempbg-w.jpg');
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}

@media screen and (max-width: 768px) {
    body {
        background-image: url('../../images/common/tempbg-n.jpg');
    }
}