html, body {
    margin: 0;
    padding: 0;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: poppins, sans-serif;
}

.container {
    background: #333; 
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 50px; 
    min-height: 100vh; 
}

.music-player {
    width: 400px;
    background: #ffe0e5;
    padding: 24px 35px;
    text-align: center;
    border-radius: 15px;
}

nav {
    display: flex;
    justify-content: space-between;
    margin-bottom: 30px;
}

nav .circle {
    width: 40px;
    height: 40px;
    background: #fff;
    border-radius: 50%;
    color: #f53192;
    line-height: 40px;
    text-align: center;
    box-shadow: 0 2px 5px rgba(255,26,26,0.22);
    cursor: pointer;
}

.song-image {
    width: 220px;
    border-radius: 50%;
    border: 8px solid #fff;
    box-shadow: 0 10px 60px rgba(255,26,26,0.22);
    object-fit: cover;
}

.music-player h1 {
    font-size: 20px;
    font-weight: 400;
    color: #333;
    margin-top: 20px;
}

.music-player p {
    font-size: 14px;
    color: #333;
    margin-bottom: 10px;
}

#progress {
    -webkit-appearance: none;
    width: 100%;
    height: 6px;
    border-radius: 5px;
    background: #f53192;
    cursor: pointer;
    margin: 40px 0;
}

#progress::-webkit-slider-thumb {
    -webkit-appearance: none;
    background: #f53192;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    border: 8px solid #fff;
    box-shadow: 0 5px 5px rgba(255,26,26,0.22);
}

.controls {
    display: flex;
    justify-content: center;
    align-items: center;
}

.controls div {
    width: 60px;
    height: 60px;
    background: #fff;
    border-radius: 50%;
    color: #f53192;
    box-shadow: 0 10px 20px rgba(255,26,26,0.22);
    justify-content: center;
    align-items: center;
    display: inline-flex;
    margin: 20px;
    cursor: pointer;
    font-size: 18px;
}

.controls div:nth-child(2) {
    transform: scale(1.3);
    background: #f53192;
    color: #fff;
}


@media (max-width: 600px) {
  .sticky-btn {
    padding: 8px 14px;
    font-size: 14px;
    bottom: 10px;
    left: 10px;
  }
}