* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.game-board {
    width: 100%;
    height: 500px;
    border-bottom: 15px solid green;
    position: relative;
    overflow: hidden;
    background: linear-gradient(#87CEEB, #E0F6FF);
}

.pipe {
    position: absolute;
    bottom: 0;
    width: 80px;
    animation: pipe-animation 1.5s infinite linear;
}

.mario {
    width: 150px;
    position: absolute;
    bottom: 0;
}

.jump {
    animation: jump 500ms ease-out;
}

.clouds {
    position: absolute;
    width: 550px;
    animation: clouds-animation 20s infinite linear;
}

.score {
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 3rem; /* Aumenta o tamanho da fonte */
    font-family: Arial, sans-serif;
    color: white;
    text-shadow: 2px 2px 4px black;
}


.game-over {
    display: none;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 0 10px black;
}

.game-over h1 {
    font-size: 3rem;
    margin-bottom: 10px;
}

.game-over button {
    margin-top: 15px;
    padding: 10px 20px;
    font-size: 1.2rem;
    color: white;
    background: green;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background 0.3s;
}

.game-over button:hover {
    background: darkgreen;
}

@keyframes pipe-animation {
    from {
        right: -80px;
    }
    to {
        right: 100%;
    }
}

@keyframes jump {
    0% {
        bottom: 0;
    }
    40% {
        bottom: 180px;
    }
    50% {
        bottom: 180px;
    }
    60% {
        bottom: 180px;
    }
    100% {
        bottom: 0;
    }
}

@keyframes clouds-animation {
    from {
        right: -550px;
    }
    to {
        right: 100%;
    }
}