body {
    margin: 0px;
    overflow: hidden
}

#menu {
    position: fixed;
    inset: 0;
    z-index: 10;
    background: #000000;
    color: #ffffff;
    font-family: monospace;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1px;
    text-align: center
}

#menu.hide {
    display: none
}


.arrow { 
position: absolute; 
background: none; 
width: 3em; 
height: 3em; 
}

#uArrow { 
top:0px; 
width: 100%; 
}

#dArrow { 
bottom:0px; 
width: 100%; 
}

#lArrow { 
left:0px; 
height: 100%; 
}

#rArrow { 
right:0px; 
height: 100%; 
}

#startBtn {
    font-family: monospace;
    font-size: 18px;
    font-weight: bold;
    letter-spacing: 0.1;
    text-transform: uppercase;
    padding: 5px 55px;
}

#startBtn:hover {
 background: rgb(229, 239, 204);
    cursor: pointer;

}