body {
    background: linear-gradient(90deg, #110547,#90159b);
}

#start, #game-over, #win {
    font-family:'Franklin Gothic Medium', sans-serif;
    color: whitesmoke;
    padding: 20px;
    position: absolute;
    top: 6vh;
    left: 40vw;
    height: 500px;
    width: 20vw;
    text-align: center;
    background-color: #3d3a3d;
    border-radius: 12px;
    z-index: 10;
    display: none;
}

#start-btn {
margin-bottom: 12px;
}

#start a, #game-over a {
    border: 3px solid whitesmoke;
    color: #90159b;
    text-decoration: none;
    padding: 10px;
    border-radius: 15px;
    cursor: pointer;
    display: block;
    width: 200px;
    text-align: center;
    font-size: 2em;
    display: inline-block;
}

#start a:hover, #game-over a:hover {background-color: #90159b; color: whitesmoke;}