.screen {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #000000;
    color: white;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    text-align: center;
    z-index: 10;
}

#start-screen h1 {
    font-size: 48px;
    margin-bottom: 30px;
}

#start-buttons-container {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    text-align: center;
    width: 1000px;
    padding: 15px 30px;
    border: none;
    margin-bottom: 100px;
}

#start-buttons-container .button {
    font-size: 24px;
    padding: 15px 30px;
    background-color: #3498db;
    border: none;
    color: white;
    cursor: pointer;
    border-radius: 5px;
    margin-bottom: 30px;
}

#levelSelect-buttons-container {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    text-align: center;
    width: 1000px;
    padding: 15px 30px;
    border: none;
    margin-bottom: 100px;
}

#levelSelect-buttons-container .button {
    font-size: 24px;
    padding: 15px 30px;
    background-color: #3498db;
    border: none;
    color: white;
    cursor: pointer;
    border-radius: 5px;
    margin-bottom: 30px;
}

#levelSelect-screen h1 {
    font-size: 48px;
    margin-bottom: 30px;
}