.conA {
        position: fixed;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
    }


    .loginCon, .registerCon {
        height: 100%;
        display: flex;
        flex-direction: column;
        justify-content: center;
        padding: 11%;
    }

    .registerCon {
        width: 0px;
    }


    .redNotice {
        display: none;
        color: red;
    }