body {
    background-color: #383838;
    text-align: center;
}

#score {
    color: black;
    font-size: 4em;
}

#game-Container {
    background-color: azure;
    margin: 50px auto;
    display: inline-block;
    position: relative;
    width: 1600px;
    height: 900px;
}
#clicker {
    margin: 0;
    padding: 0;
    position: absolute;
    top: 40%;
    left: 50%;
    transform: translate(-50%, -50%);
}

#upgrades-Button {
    z-index: 2;
    position: absolute;
    width: 400px;
    height: 150px;
    transform: translate(1100px, 600px);
    display: flex;
    border-radius: 25px;
    text-align: center;
}
#upgrades-Button.open-menu {
    transform: translate(200px, 100px);
    width: 100px;
    height: 100px;
    display: flex;
}
#upgrades-Button.open-menu::before {
    content: "X";
}
#upgrades-Button::before {
    content: "Upgrades :D";
}
#upgrades-GUI {
    border-radius: 25px;
    border: medium solid black;
    z-index: 1;
    background-color: #979797;
    position: absolute;
    width: 1250px;
    height: 700px;
    transform: translate(-50%, 50px);
    display: inline-block;
    opacity: 0.8;
}
#upgrades-GUI.hidden {
    display: none;
}

.hidden {
    opacity: 0;
}
.upgrade {
    width: 200px;
    height: 300px;
}
#addPanda {
    transform: translate(-400px,200px);
}