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

html, body {
    overflow: hidden;
}

.container {
    width: 100%;
    height: 100vh;
    overflow: hidden;
    position: relative;
    background-color: black;
}

.background {
    width: 100%;
    max-width: 550px;
    height: 100%;
    margin: auto;
    position: relative;
}

.background img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.content {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 40%;
    display: flex;
}
.tittle {
    width: 100%;
    position: absolute;
    top: 5%;
    left: 5%;
}
.tittle img {
    max-width: 250px;
}

.middle {
    width: 100%;
    position: absolute;
    top: 25%;
    left: 53%;
    transform: translate(-50%,-50%);
    cursor: pointer;
}
.middle img {
    max-width: 300px;
    transition: transform 0.3s ease, filter 0.3s ease;
}

#playButton {
    display: block;
    cursor: pointer;
    animation: pulse 2s ease-in-out infinite;
}

#playButton:hover {
    transform: scale(1.1);
    filter: brightness(1.2);
    animation: none;
}

#playButton:active {
    transform: scale(0.95);
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

@media (max-width: 768px) {
    .content {
        left: 0;
        justify-content: center;
        align-items: center;
    }
    .tittle {
        top: 8%;
        left: 50%;
        transform: translateX(-50%);
        text-align: center;
    }
    .tittle img {
        max-width: 220px;
    }
    .middle {
        top: 40%;
        left: 85%;
        transform: translate(-50%, -50%);
    }
    .middle img {
        max-width: 260px;
    }
}

@media (max-width: 450px) {
    .tittle {
        top: 10%;
    }
    .tittle img {
        max-width: 200px;
    }
    .middle {
        top: 35%;
        left: 80%;
    }
    .middle img {
        max-width: 230px;
    }
}

@media (max-width: 430px) {
    .tittle img {
        max-width: 180px;
    }
    .middle {
        top: 40%;
        left: 76%;
    }
    .middle img {
        max-width: 210px;
    }
}

@media (max-width: 390px) {
    .tittle {
        top: 12%;
    }
    .tittle img {
        max-width: 160px;
    }
    .middle {
        top: 40%;
    }
    .middle img {
        max-width: 190px;
    }
}