/* http://meyerweb.com/eric/tools/css/reset/
v2.0 | 20110126
License: none (public domain)
*/

html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed,
figure, figcaption, footer, header, hgroup,
menu, nav, output, ruby, section, summary,
time, mark, audio, video {
  margin: 0;
  padding: 0;
  border: 0;
  font-size: 100%;
  font: inherit;
  vertical-align: baseline;
}

/* HTML5 display-role reset for older browsers */
article, aside, details, figcaption, figure,
footer, header, hgroup, menu, nav, section {
  display: block;
}

body {
  line-height: 1;
}

ol, ul {
  list-style: none;
}

blockquote, q {
  quotes: none;
}

blockquote:before, blockquote:after,
q:before, q:after {
  content: '';
  content: none;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

/* ---------- BEGIN CUSTOM STYLES ---------- */
*{
  font-family: sans-serif;
  line-height: 1.35;
}

#skipLink{
  position: absolute;
  left: -999px;
  height: 0;
  width: 0;
}

#skipLink:focus{
  top: 1em;
  left: 1em;
  display: block;
  font-size: 1.2em;
  padding: 0.5em;
  width: 25%;
  height: 1.5em;
  line-height: 1.3em;
}

a{
  color: #0a58ff;
}

a:focus{
  border: 2px solid #0a58ff;
}

a:hover{
  color: white;
  background-color: #0a58ff;
}

header{
  padding: 2em 0 1em 0;
  border-bottom: 5px solid #0a58ff;
}

h1, h2, h3{
  font-family: sans-serif;
  font-weight: bold;
  line-height: 1.2;
  text-align: center;
}

h1{
  font-size: 2em;
  padding: 0.5em;
}

.sr-only{
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

nav ul{
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
}

ul li{
  display: inline-block;
}

nav a{
  display: block;
  padding: 1em;
  text-decoration: none;
  font-family: sans-serif;
  font-size: 1.2em;
  font-weight: bold;
  text-align: center;
}

#particleBackground{
  width: 100%;
  height: 300px;
  background-image: url("https://www.public.asu.edu/~jlbarn11/teaching/cool-background.svg");
  background-color: rgba(77, 77, 77, 0.2);
  background-repeat: no-repeat;
  background-position: right;
  border-bottom: 5px solid #0a58ff;
}

main{
  width: calc(100% - 2em);
  max-width: 1200px;
  margin: 0 auto;
  padding: 1em;
}

h2{
  font-size: 1.5em;
  margin: 0.5em 0;
}

p{
  width: 100%;
  max-width: 650px;
  margin: 0 auto;
}

section{
  margin: 1em 0;
}

h3{
  font-size: 1.35em;
  margin: 0.5em 0;
}

form{
  width: 90%;
  max-width: 350px;
  margin: 2em auto;
  padding: 0.75em;
  border: 2px solid #777;
  border-radius: 0.2em;
}

input, label, textarea{
  display: block;
  width: calc(100% - 2em);
}

input, textarea, select{
  outline: 1px solid #222;
  border: none;
  border-radius: 0.2em;
}

label{
  font-size: 1.1em;
}

.required{
  color: #c71819;
}

input{
  width: 90%;
  margin: 0.25em auto 0.5em auto;
  padding: 0.5em;
}

input:focus, select:focus, textarea:focus{
  border: 2px inset #0a58ff;
  box-shadow: 0 0 0 0.09em currentColor;
}

/* NOTE: left unchanged even though :error is not a valid selector */
input:error, select:error, textarea:error{
  background-color: #c71819;
}

fieldset{
  margin: 0.5em auto;
  padding-bottom: 0.5em;
  width: 94%;
  border: 1px solid #222;
  border-radius: 0.2em;
  display: grid;
  grid-template-columns: 30px 1fr 30px 1fr;
}

legend{
  padding: 0.5em;
}

fieldset label{
  display: inline;
  width: 60%;
}

fieldset input{
  display: inline;
  width: 20px;
}

select{
  display: block;
  width: 95%;
  margin: 0.25em auto 0.5em auto;
  padding: 0.5em;
  font-size: 1em;
}

textarea{
  width: 90%;
  height: 100px;
  margin: 0.25em auto 0.5em auto;
  padding: 0.5em;
}

input[type="radio"]{
  margin-top: 0.4em;
  outline: none;
  border: 1px solid #222;
  border-radius: 25%;
}

input[type="submit"]{
  font-size: 1.2em;
  width: 95%;
  margin-top: 1em;
  padding: 0.5em;
  border: none;
  outline: none;
  border-radius: 0.2em;
  background-color: #0a58ff;
  color: white;
}

input[type="submit"]:hover,
input[type="submit"]:focus{
  background-color: #063599;
  filter: drop-shadow(8px 8px 4px #777);
}

footer{
  padding: 1em;
  border-top: 5px solid #0a58ff;
  font-family: sans-serif;
  text-align: center;
}
