main,
.container {
    display: flex;
    flex-wrap: wrap;
    flex-direction: column;
    height: 100vh;
    background-image: url('../assets/img/wall.png');
}

main .menu {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-evenly;
    align-items: center;
    height: 90px;
    width: 100%;
    background-color: #000;
    color: #fff;
    border-bottom: 5px solid #ffd700;
}

main .menu .title {
    color: #f00;
}

main .menu .menu-time h2:nth-child(2),
main .menu .menu-score h2:nth-child(2) {
    margin-top: .7rem;
}

main .menu .menu-lives {
    display: flex;
    align-items: center;
    justify-content: center;
}

main .menu .menu-lives img {
    width: 50px;
    margin-right: 5px;
}

main .panel {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 1rem;
}

main .panel .square {
    height: 150px;
    width: 150px;
    border: 1px solid #000000;
    background-color: #999;
}

main .panel .square.enemy {
    background-image: url('../assets/img/ralph.png');
    background-size: cover;
}