body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
header {
    background: #333;
    color: #fff;
    padding: 1em 0;
    text-align: center;
    position: relative;
}
.title {
    font-size: 2em;
    animation: blink 1s infinite;
}
@keyframes blink {
    0% { opacity: 1; }
    50% { opacity: 0; }
    100% { opacity: 1; }
}
nav {
    margin: 0;
    padding: 0;
    list-style: none;
    text-align: center;
    background: #444;
}
nav a {
    color: #fff;
    text-decoration: none;
    padding: 0.5em 1em;
    display: inline-block;
}
nav a:hover {
    background: #555;
}
section {
    padding: 2em;
    text-align: center;
}
img.rounded {
    border-radius: 50%;
    width: 200px;
    height: 200px;
    object-fit: cover;
}
footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 1em 0;
    position: fixed;
    width: 100%;
    bottom: 0;
}