body {
    font-family: sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
}

header, nav, main, footer {
    padding: 20px;
    text-align: center;
}

header {
    background-color: #333;
    color: #fff;
}

nav a {
    color: #fff;
    text-decoration: none;
    padding: 10px;
}

nav a:hover {
    background-color: #555;
}

main {
    background-color: #aaa;
    margin: 20px;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.vertical-music-list {
    display: flex;
    flex-direction: column;
    width: 100%;
}

.vertical-song {
    border: 1px solid #ccc;
    margin-bottom: 15px;
    padding: 10px;
    text-align: center;
}

.vertical-song img {
    max-width: 100%;
    height: auto;
}

.song-title {
    font-size: 1.3em;
    margin-bottom: 5px;
}

.song-description {
    font-size: 0.9em;
    color: #666;
}

footer {
    background-color: #333;
    color: #fff;
    margin-top: 20px;
}

.blink {
    animation: blinker 1.5s linear infinite;
    color: red;
    font-family: sans-serif;
}
@keyframes blinker {
    50% {
        opacity: 0;
    }
}