body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
}
header {
    background-color: #ff5722;
    color: white;
    padding: 1em 0;
    text-align: center;
    position: relative;
}
header h1 {
    margin: 0;
}
.phone {
    position: absolute;
    top: 10px;
    right: 10px;
    animation: blink 1s infinite;
}
@keyframes blink {
    0% { opacity: 1; }
    50% { opacity: 0; }
    100% { opacity: 1; }
}
nav {
    background-color: #ff9800;
    display: flex;
    justify-content: center;
    padding: 1em 0;
}
nav a {
    background-color: #ff5722;
    color: white;
    margin: 0 10px;
    padding: 10px 20px;
    text-decoration: none;
    border-radius: 5px;
    transition: background-color 0.3s;
}
nav a:hover {
    background-color: #e64a19;
}
.content {
    padding: 20px;
    text-align: center;
}
.content img {
    max-width: 100%;
    height: auto;
}
.footer {
    background-color: #ff5722;
    color: white;
    text-align: center;
    padding: 1em 0;
    position: fixed;
    width: 100%;
    bottom: 0;
}
@media (max-width: 600px) {
    nav {
        flex-direction: column;
    }
    nav a {
        margin: 5px 0;
    }
}