html {
    box-sizing: border-box;
}

body {
    font-family: Verdana, Geneva, Tahoma, sans-serif;
    background-color: #aba9Bf;
    margin: 0;
    padding: 0;
}

.wrapper {
    width: 80%;
    margin: 0 auto;
    padding: 8rem 1rem 1rem;
    overflow: auto;
}

/* header + navigation styling */
header {
    background-color: #0d1321;
    overflow: auto;
    position: fixed;
    width: 100%;
    text-transform: uppercase;
    color: #aba9Bf;
}
header h1 {
    float: left;
    padding: .5em;
}
nav {
    font-size: 1.5em;
    float: left;
    width: 70%;
}
nav ul {
    list-style-type: none;
    text-align: right;
}
nav li {
    display: inline-block;
    padding: .75em;
}
header a {
    text-decoration: none;
    color: #aba9Bf;
}
header a:hover {
    text-decoration: underline;
    color: #fff;
}

/* gratuitous text styling */
h1, 
h2 {
    text-transform: uppercase;
}
h1, 
h3 {
    font-weight: 100;
}
p {
    line-height: 1.5em;
}

/* portfolio text + image styling */
.portfolio {
    border-top: 1px solid #0d1321;
    clear: both;
}
.portfoliopic {
    max-width: 300px;
    float: left;
    clear: left;
    margin: 0 1.5em 1.5em 0;
}

/* article column styling */
article {
    column-width: 20rem;
    column-gap: 1.5rem;
    column-rule: .5px solid #868784;
}

/* resume styling */
.resume {
    border-top: .5px solid #868784;
    margin-top: 1rem;
}
.resume ul {
    list-style-type: square;
}
.resume li {
    padding-bottom: .5rem;
}

/* form styling */
fieldset {
    margin: 1.5em 0 .5em;
    border: .5px solid #868784;
}
legend {
    font-weight: bold;
    text-transform: uppercase;
    margin: 1em 0;
    display: block;
}
label {
    margin-top: .5em;
    display: block;
}
input:not([type="checkbox"]), 
textarea {
    display: block;
    margin-bottom: 1em;
    width: 30rem;
}

/* append "(PDF)" to any links containing ".pdf" */
a[href$=".pdf"]::after {
    content: " (PDF)";
}

/* general link highlighting on focus */
.wrapper a:hover {
    background-color: white;
}

/* webaim's recommended skip technique from https://webaim.org/techniques/css/invisiblecontent */
.hidden {
    position: absolute;
    left: -10000px;
    top: auto;
    width: 1px;
    height: 1px;
    overflow: hidden;
}
.hidden a:focus {
    position: static;
    width: auto;
    height: auto;
}