html, body {
    width: 100%;
    height: 100%;
    margin: 0;
}

/* 전체 배경 */
body {
    background-color: black;
    font-family: Arial, Helvetica, sans-serif;
}

/* 화면 전체 */
.screen {
    width: 100%;
    height: 100%;

    display: flex;
    justify-content: center;
    align-items: center;
}

/* 중앙 박스 (screen_center 역할) */
.center-box {
    width: 580px;
    height: 300px;

    border: 2px solid #00ff66;
    box-sizing: border-box;

    display: flex;
    flex-direction: column;

    justify-content: center;  /* 세로 중앙 */
    align-items: center;      /* 가로 중앙 */
    text-align: center;       /* 텍스트 가운데 */

    //padding: 0;               /* 왼쪽 padding 제거 (중요) */
}


/* JBH.co.kr */
.title {
    font-size: 60px;
    font-weight: bold;
    color: #009933;
    line-height: 1.1;
    align-content: center;
    margin-bottom: 20px;
}

/* ACCESS DENIED */
.subtitle {
    font-size: 32px;
    font-weight: bold;
    color: #009933;
}