html,
body {
    height: 100%;
}
html {
    display: table;
    margin: auto;
}
body {
    display: table-cell;
    vertical-align: middle;
}

/*¸ð¹ÙÀÏ*/
@media only screen and (max-width: 601px) {
    html,
    body {
        height: 100%;
    }

    html {
        display: inherit;
        margin: auto;
    }

    body {
        vertical-align: inherit;
        display: initial;
    }
    .loginform{
        margin-top:50px !important;
    }
}