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basic layout and first temp particle

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mdr19002 committed Mar 7, 2020
1 parent fc62f5a commit afb121ff4740a10a5d4c2ccb6dd71dc848535ede
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  1. +361 −0 css/midterm.css
  2. +129 −0 midterm.html
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/*! HTML5 Boilerplate v7.3.0 | MIT License | https://html5boilerplate.com/ */

/* main.css 2.0.0 | MIT License | https://github.com/h5bp/main.css#readme */
/*
* What follows is the result of much research on cross-browser styling.
* Credit left inline and big thanks to Nicolas Gallagher, Jonathan Neal,
* Kroc Camen, and the H5BP dev community and team.
*/

/* ==========================================================================
Base styles: opinionated defaults
========================================================================== */

html {
color: #222;
font-size: 1em;
line-height: 1.4;
}

/*
* Remove text-shadow in selection highlight:
* https://twitter.com/miketaylr/status/12228805301
*
* Vendor-prefixed and regular ::selection selectors cannot be combined:
* https://stackoverflow.com/a/16982510/7133471
*
* Customize the background color to match your design.
*/

::-moz-selection {
background: #b3d4fc;
text-shadow: none;
}

::selection {
background: #b3d4fc;
text-shadow: none;
}

/*
* A better looking default horizontal rule
*/

hr {
display: block;
height: 1px;
border: 0;
border-top: 1px solid #ccc;
margin: 1em 0;
padding: 0;
}

/*
* Remove the gap between audio, canvas, iframes,
* images, videos and the bottom of their containers:
* https://github.com/h5bp/html5-boilerplate/issues/440
*/

audio,
canvas,
iframe,
img,
svg,
video {
vertical-align: middle;
}

/*
* Remove default fieldset styles.
*/

fieldset {
border: 0;
margin: 0;
padding: 0;
}

/*
* Allow only vertical resizing of textareas.
*/

textarea {
resize: vertical;
}

/* ==========================================================================
Browser Upgrade Prompt
========================================================================== */

.browserupgrade {
margin: 0.2em 0;
background: #ccc;
color: #000;
padding: 0.2em 0;
}

/* ==========================================================================
Author's custom styles
========================================================================== */

body {
background-color: black;
}

#body-wrapper {
font-family: sans-serif; /* choose a better font */
margin: 0 auto;
max-width: 750px;
text-align: center;
}

header {
background-color: white;
}

ul, ol {
text-align: left;
margin-left: 100px;
}

.particle-wrapper {
position: relative;
height: 400px;
}

.particle-container {
overflow: hidden;
height: 100%;
position: absolute;
}

.particle-temp {
border-radius: 50%;
background: white;
margin: 15px;
animation:
blur_fade 20s ease 0s infinite,
circle 5s linear 0s infinite;
}

@keyframes blur_fade {
from {
height: 2px;
width: 2px;
opacity: 0;
}
20% {
filter: blur(0.2);
opacity: 0.8;
}
to {
height: 40px;
width: 40px;
filter: blur(3px);
opacity: 0;
}
}

@keyframes circle {
from {
transform-origin: -10px -10px;
transform: rotate(0deg);
}
to {
transform-origin: -10px -10px;
transform: rotate(360deg);
}
}

#subtle {
background-color: pink;
}

#fireworks {
background-color: seashell;
}

#info1 {
background-color: lemonchiffon;
}

#info2 {
background-color: aliceblue;
}

#info3 {
background-color: pink;
}








/* ==========================================================================
Helper classes
========================================================================== */

/*
* Hide visually and from screen readers
*/

.hidden {
display: none !important;
}

/*
* Hide only visually, but have it available for screen readers:
* https://snook.ca/archives/html_and_css/hiding-content-for-accessibility
*
* 1. For long content, line feeds are not interpreted as spaces and small width
* causes content to wrap 1 word per line:
* https://medium.com/@jessebeach/beware-smushed-off-screen-accessible-text-5952a4c2cbfe
*/

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

/*
* Extends the .sr-only class to allow the element
* to be focusable when navigated to via the keyboard:
* https://www.drupal.org/node/897638
*/

.sr-only.focusable:active,
.sr-only.focusable:focus {
clip: auto;
height: auto;
margin: 0;
overflow: visible;
position: static;
white-space: inherit;
width: auto;
}

/*
* Hide visually and from screen readers, but maintain layout
*/

.invisible {
visibility: hidden;
}

/*
* Clearfix: contain floats
*
* For modern browsers
* 1. The space content is one way to avoid an Opera bug when the
* `contenteditable` attribute is included anywhere else in the document.
* Otherwise it causes space to appear at the top and bottom of elements
* that receive the `clearfix` class.
* 2. The use of `table` rather than `block` is only necessary if using
* `:before` to contain the top-margins of child elements.
*/

.clearfix:before,
.clearfix:after {
content: " ";
/* 1 */
display: table;
/* 2 */
}

.clearfix:after {
clear: both;
}

/* ==========================================================================
EXAMPLE Media Queries for Responsive Design.
These examples override the primary ('mobile first') styles.
Modify as content requires.
========================================================================== */

@media only screen and (min-width: 35em) {
/* Style adjustments for viewports that meet the condition */
}

@media print,
(-webkit-min-device-pixel-ratio: 1.25),
(min-resolution: 1.25dppx),
(min-resolution: 120dpi) {
/* Style adjustments for high resolution devices */
}

/* ==========================================================================
Print styles.
Inlined to avoid the additional HTTP request:
https://www.phpied.com/delay-loading-your-print-css/
========================================================================== */

@media print {
*,
*:before,
*:after {
background: transparent !important;
color: #000 !important;
/* Black prints faster */
box-shadow: none !important;
text-shadow: none !important;
}
a,
a:visited {
text-decoration: underline;
}
a[href]:after {
content: " (" attr(href) ")";
}
abbr[title]:after {
content: " (" attr(title) ")";
}
/*
* Don't show links that are fragment identifiers,
* or use the `javascript:` pseudo protocol
*/
a[href^="#"]:after,
a[href^="javascript:"]:after {
content: "";
}
pre {
white-space: pre-wrap !important;
}
pre,
blockquote {
border: 1px solid #999;
page-break-inside: avoid;
}
/*
* Printing Tables:
* https://web.archive.org/web/20180815150934/http://css-discuss.incutio.com/wiki/Printing_Tables
*/
thead {
display: table-header-group;
}
tr,
img {
page-break-inside: avoid;
}
p,
h2,
h3 {
orphans: 3;
widows: 3;
}
h2,
h3 {
page-break-after: avoid;
}
}

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