body {

    font-family: 'Courier New', Courier, monospace;

    background-color: navy;

    color: white;

    text-align: center;

    margin: 0;

    padding: 0;

}



#layar-belajar {

    padding: 100px 20px;

}



.btn-belajar {

    padding: 15px 30px;

    font-size: 18px;

    background-color: green;

    color: white;

    border: none;

    cursor: pointer;

    border-radius: 5px;

    font-weight: bold;

}



#layar-game {

    display: none;

    position: fixed;

    top: 0;

    left: 0;

    width: 100%;

    height: 100%;

    background-color: black;

    padding-top: 100px;

    z-index: 999;

}



.status-box {

    border: 3px solid white;

    width: 300px;

    margin: 20px auto;

    padding: 15px;

    background-color: blue;

}



.btn-game {

    padding: 10px 20px;

    font-size: 16px;

    margin: 10px;

    cursor: pointer;

    border: none;

    border-radius: 3px;

    font-weight: bold;

}

.btn-minum { background-color: dodgerblue; color: white; }

.btn-istirahat { background-color: orangered; color: white; }