html {
    scroll-behavior: smooth;
}

article {
    width: 700px;
    margin: auto;
    background-color: #f7fdff;
    padding: 3em;
    padding-top: 0.5em;
    padding-bottom: 0.5em;
}

.introduction {
    border: 2px solid #d9e6f8;
    background-color: #d9e6f8;
    border-radius: 5px;

    padding: 1.25em;

    font-family: Trebuchet MS;
    font-style: italic;
    font-size: 1.1em;
    line-height: 1.6em;
    color: #3164ab;
}

body {
    font-family: Verdana;
    font-size: 1em;
    line-height: 1.5em;
    color: #1b3367;
    background-color: #1b3367;
}

nav {
    font-family: Verdana;
    font-size: 90%;
    line-height: 1.5em;
    color: #1b4982;
}

nav ul {
    list-style-type: none;
    padding: 0;
}

nav ul li a {
    display: block;
    color: #408deb;
    text-decoration: none;
    text-transform: uppercase;
    font-weight: bold;
    background-color: #d9e6f8;
    margin-bottom: 10px;
    border-radius: 10px;
    padding: 10px;
}

nav ul li a:hover {
    background-color: #aacfff;
}

h1 {
    text-align: center;
    color: #3164ab;
    text-transform: uppercase;

    border: 2px solid #d9e6f8;
    background-color: #d9e6f8;
    border-radius: 5px;

    padding: 0.75em;
}

h2 {
    text-align: right;
    color: #3164ab;
    text-transform: uppercase;
    
    border: 2px solid #d9e6f8;
    background-color: #d9e6f8;
    border-radius: 5px;

    padding: 0.75em;
}

img {
    border-radius: 10px;
}