html,
body {
    min-height: 100%;
    padding-bottom: 3em;
}

body {
    line-height: 1.5;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 14pt;
}

.content {
    width: 80%;
    width: calc(100% - 150px);
    margin: auto;
}

.em {
    font-style: italic;
}

h1 {
    font-size: 3em;
}

h2 {
    font-size: 2.25em;
}

p {
    margin-bottom: .5em;
}

blockquote {
    padding-left: 10px;
}

a {
    font-weight: bold;
}

ul li {
    list-style: disc;
}

img {
    max-width: 100%;
}

.nav_links {
    padding: .3em .5em;
    text-align: center;
    margin-bottom: 1em;

    li {
        display: inline;

        a {
            padding: .3em .5em;
        }
    }
}

.btn {
    padding: .4em .65em;
    text-decoration: none;
    border-radius: 4px;
}

.img-container {
    overflow-x: auto;
    max-width: 100%;
}

@media screen and (max-width:540px) {
    .content {
        width: 95%;
        width: calc(100% - 50px);
    }

    h1 {
        font-size: 2.3em;
    }

    h2 {
        font-size: 2em;
    }
}

@media screen and (max-width:450px) {
    img {
        max-width: initial;
    }
}