/* Wrapper */
.wrapper {
    max-width: 960px;
    margin: 0 auto;
    padding: 20px;
    background-color: #ffffff;
    color: #333333;
    font-family: Arial, sans-serif;
}

/* Header */
header a{text-decoration: none;}

header a:link {color: #ff0000;}

header a:visited {color: #ff0000;}

header a:hover {color: #90c7e3;}
header {
    text-align: center;
    padding: 20px 0;
}

header h1 {
    color: #ff0000;
}

/* Navigation */
nav ul {
    list-style-type: none;
    padding: 0;
    display: flex;
    justify-content: center;
    background-color: #ff0000;
    margin: 0;
}

nav ul li {
    margin: 0 15px;
}

nav ul li a {
    color: #ffffff;
    text-decoration: none;
    padding: 10px 15px;
    display: block;
}

nav ul li a:hover,
nav ul li a:focus {
    background-color: #ff6666;
}

/* Main content */
main {
    padding: 20px;
}

/* Sections */
main section {
    margin-bottom: 20px;
}

main h2 {
    color: #ff0000;
}

/* Image frame */
.image-frame {
    width: 100%;
    max-width: 500px;
    height: 300px;
    border: 2px solid #ff0000;
    margin: 20px auto;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #f2f2f2;
}

/* Footer */
footer {
    text-align: center;
    padding: 10px;
    background-color: #ff0000;
    color: #ffffff;
}