body {
    background-color: black;
    color: white;
    font-family: 'Press Start 2P', cursive;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    overflow: hidden;
}

.container {
    text-align: center;
    position: relative;
    z-index: 1;
}

.button-container {
    margin-top: 20px;
}

button {
    font-family: 'Press Start 2P', cursive;
    font-size: 16px;
    padding: 10px 20px;
    margin: 10px;
    border: none;
    cursor: pointer;
}

.red-button {
    background-color: red;
    color: white;
}

.green-button {
    background-color: green;
    color: white;
}

.background-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    opacity: 0;
    overflow: hidden;
}

@keyframes fadeInFromBottom {
    from {
        opacity: 1;
        transform: translateY(100%);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes growInSize {
    from {
        opacity: 1;
        transform: scale(1);
    }
    to {
        opacity: 1;
        transform: scale(2);
    }
}

@keyframes fadeOutToBottom {
    from {
        opacity: 1;
        transform: translateY(0);
    }
    to {
        opacity: 1;
        transform: translateY(100%);
    }
}

.background-image {
    background-image: url('face.png');
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
    width: 100%;
    height: 100%;
    animation: fadeInFromBottom 1s forwards;
}

.background-image-1 {
    background-image: url('face.png');
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
    width: 100%;
    height: 100%;
    animation: fadeOutToBottom 1s forwards;
}

.background-image-2 {
    background-image: url('face_angry.png');
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
    width: 100%;
    height: 100%;
    animation: growInSize 1s forwards;
}