body{
    overflow: hidden;
    background-color: black;
}
html, body {
    margin: 0 !important;
    padding: 0 !important;
}
canvas{
    display: block;
}
#gameWindow{
    background-color: #CCD1D1;
    border: 3px solid black;
    display: none;
}
#scoreWindow{
    background-color: black;
    color: white;
    border: 3px solid black;
    display: none;
}
#window-size-error-message{
    text-align: center;
    color: red;
    width: 80%;
    margin: auto;
    padding: 10px;
    font-size: 30px;
    font-weight: bold;
    display: none;
}

#loading {
    position: absolute;
    width: 120px;
    height: 120px;
    top: calc(50% - 60px);
    left: calc(50% - 60px);
    z-index: 9999999;
}