* {
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    background-color: #f5f5f5;
    color: #333;
    margin: 0;
    padding: 0;
}

#main {
    max-width: 800px;
    margin: 50px auto;
    padding: 20px;
    background-color: #fff;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
}

h1.centered {
    text-align: center;
    color: #2c3e50;
    font-size: 2.5em;
    margin-bottom: 20px;
}

p {
    font-size: 1.2em;
    line-height: 1.6em;
}

a {
    display: inline-block;
    margin-top: 20px;
    padding: 10px 20px;
    color: #fff;
    background-color: #333;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    transition: background-color 0.3s;
}

a:hover {
    background-color: #111;
}

a:focus {
    outline: 2px solid #3498db;
}

@media (max-width: 600px) {
    #main {
        padding: 10px;
    }

    p {
        font-size: 1em;
    }
}

/* Errors */
.error-msg {
	color: red;
}

/* Hide from sighted but accessible for screen readers */
.hide-element {
    border: 0;
    clip: rect(1px 1px 1px 1px); /* IE6, IE7 */
    clip; rect(1px, 1px, 1px, 1px);
    height: 1px;
    margin: -1px;
    overflow: hidden;
    padding: 0;
    position: absolute;
    width: 1px;
}

.centered {
text-align: center;
}

header {
    background-color: #000;
    padding: 10px 0;
    text-align: center;
}

nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: inline-block;
}

nav ul li {
    display: inline;
    margin: 0 15px;
}

nav ul li a {
    color: #fff;
    text-decoration: none;
    font-size: 1.2em;
}

nav ul li a:hover {
    text-decoration: underline;
}

.site-logo img {
    max-width: 220px;
    height: auto;
    display: block;
    margin: 0 auto;
}

img {
    max-width: 100%;
}

nav a {
    color: #fff;
    text-decoration: none;
    font-size: 1.1em;
    padding: 8px 12px;
}

nav a:hover {
    text-decoration: underline;
}

.active {
  font-weight: bold;
}