/* Basic page layout */
body {
    margin: 0;
    background-color: #f2f4f5;
    font-family: Arial, Helvetica, sans-serif;
    color: #263742;
}

#all {
    box-sizing: border-box;
    width: 90%;
    margin: 0 auto;
    padding: 0 18px 18px;
    background: white;
}

#title {
    margin: 0;
    padding: 22px 0 15px;
    text-align: center;
    color: #245c72;
    font-family: Georgia, serif;
}

nav {
    border-top: 1px solid #c9d9dd;
    border-bottom: 1px solid #c9d9dd;
}
nav ul {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 5px;
    list-style: none;
    padding: 8px 0;
    margin: 0;
}
nav li { margin: 0; }

/* Five link states in the navigation */
nav a:link {
    color: #245c72;
    text-decoration: none;
    display: inline-block;
    padding: 8px 10px;
}
nav a:visited { color: #624e86; }
nav a:hover { color: #fff; background: #35778f; }
nav a:focus { outline: 2px solid #dd8f46; outline-offset: 2px; }
nav a:active { color: #fff; background: #173f53; }

/* Three flexbox columns */
#main {
    display: flex;
    flex-direction: row;
    gap: 12px;
    padding: 20px 0;
}
#main > div {
    flex: 1;
    min-width: 0;
    box-sizing: border-box;
    padding: 12px;
    border: 1px solid #cbdbe0;
}
.column1 { order: 3; }
.column2 { order: 2; }
.column3 { order: 1; }

h2 {
    font-family: 'Roboto Slab', Georgia, serif;
    font-size: 1.3rem;
    text-align: center;
    color: #245c72;
    margin: 5px 0 15px;
}
#main img {
    display: block;
    width: 100%;
    max-width: 100%;
    height: auto;
}
#main p {
    line-height: 1.5;
    margin: 12px 0 0;
}

/* Footer flexbox */
footer {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    padding: 18px 5px 8px;
    border-top: 1px solid #c9d9dd;
    font-size: .9rem;
}
footer address { font-style: normal; line-height: 1.6; }
footer p { margin: 4px 0; }
footer a { color: #245c72; }
.social { display: flex; gap: 8px; }
.social img { width: 30px; height: 30px; }

/* Content fills the screen below 1000px */
@media (max-width: 999px) {
    #all { width: 100%; }
}

/* Single-column layout below 700px */
@media (max-width: 699px) {
    #main { flex-direction: column; }
    #main > div { border: none; padding: 0; }
}