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--- notes:css_cheat_sheet [2026/06/12 07:16]
114.119.158.251 old revision restored (2026/06/03 01:51)
+++ notes:css_cheat_sheet [2026/06/13 21:40] (current)
8.216.47.163 old revision restored (2026/06/04 12:21)
@@ Line 10: / Line 10: @@
   * Styles define how to display HTML elements. Style sheets are collections of styles.
   * Multiple style sheets will cascade into a single style definition.
-  * There are 3 ways to specify styles (decreasing priority):
+  * Styles can be specified inside an HTML element, inside the <head> element or in an external CSS file - in that order of priority.
-    - inline as an element style attribute <code html> <p style="color: sienna>text</p></code>
+  * CSS syntax is made up of three parts - selector {property: value}.
-    - in an internal style sheet in the head <code html>
+    * Multiple property-value pairs may be separated by semi-colons.
- <head> <style type="text/css">
+    * Multiple selectors must be separated by commas
-<!--
+    * Values must be quoted if they are multiple words
-hr {color: sienna}
--->
-</style> </head></code>
-    - in an external style sheet in a css file <code html>
-<link rel="stylesheet" type="text/css"
-href="style.css" /> </code>
-==== CSS Syntax====
-CSS syntax is made up of three parts - selector {property: value}.
-  * Multiple property-value pairs may be separated by semi-colons.
-  * Multiple selectors must be separated by commas
-  * Values must be quoted if they are multiple words
   * A simple example <code html>
 h1,h2,h3 {
@@ Line 33: / Line 20: @@
 color: black;
 font-family: "sans serif" } </code>
-  * Classes allow groups of elements to share formatting e.g. <code html>
-p.right {text-align: right}
-.blue {color: blue}
-<p class="right blue">right-aligned blue text</p> </code>
-  * Styles can also match on attribute values or id e.g. <code html>
-input[type="text"] {background-color: blue}
-#id {background-color: blue}
-p#id {background-color: blue} </code>
-  * CSS uses C-style comments - /* comment */ .
-==== CSS Background/Text Properties ====
-  * Background properties examples <code html>
-background-color: black;
-background-image:  url('bg.jpg');
-background-repeat: repeat-[x|y]/no-repeat/repeat;
-background-attachment: fixed
-background-position: center/30% 20%/50px 100px;
-background: blue url('bg.gif') no-repeat fixed center;
-</code>
-  * Text properties examples <code html>
-color: #00ff00/green/rgb(0,255,0) ; text-shadow:blue;
-text-align: left/right/center/justify ; text-indent: 1cm;
-letter-spacing: 0.5cm/-3px ; line-height: 200%;
-white-space: nowrap ; word-spacing: 30px
-text-decoration: overline/line-through/underline/blink/none
-text-transform: uppercase/lowercase/capitalize
-</code>
-  * Font properties examples <code html>
-font-family: times/sans-serif ; font-size: 130%
-font-size-adjust: 0.60 ; font-variant: small-caps
-font-style: italic/oblique ; font-stretch: wider
-font-weight: bold/900
-font: italic small-caps 900 12px arial
-font: caption/icon/menu/message-box/small-caption/status-bar </code>
-==== CSS Border/List Properties ====
-  * Border properties examples (btlr=bottom/top/left/right. An outline occurs outside of the border. <code html>
-border-style: medium/solid/double/groove/dotted/
-  dashed/inset/outset;
-border-btlr: width style color ; border-btlr-style
-border-width:5px ; border-btlr-width: thick
-border-color: color x 4; border-btlr-color
-outline-color/style/width ; outline:color style width</code>
-  * A margin describes space around the element. Padding defines the space between border and content.<code html>
-margin: width x 4 (trbl); margin-btlr
-padding: width x 4 (trbl); padding-btlr</code>
-  * List properties examples <code html>
-list-style-type: disc/circle/square/none
-list-style-type: lower/upper-roman/alpha / decimal
-list-style-image: url('a.gif')
-list-style-position: inside/outside
-list-style: type position image</code>
-  * Table properties examples <code html>
-table-layout: automatic/fixed;
-border-collapse:collapse/separate; empty-cells:show/hide
-border-spacing: width x 2;caption-side: btlr
-</code>
-==== Sizing and Positioning CSS Properties ====
-  * Size properties examples <code html>
-height/width: auto/50%/100px
-min/max-height/width:none/50%/100px
-line-height: normal/100px/1/50%</code>
-  * Position properties <code html>
-display: inline/none/block (lots of others)
-float: btlr ;
-position: relative(to normal)/absolute(rel to block)
-  /fixed(rel to window, doesn't move)/static(normal) ;
-bottom/top/left/right: +/-100px/width
-vertical-align:top/bottom/text-top/text-bot/sub/super</code>
-  * Visibility properties <code html>
-visibility:visible/hidden/collapse (for table elems)
-clear:left/right/both/none (where floats aren't allowed)
-clip: rect(10px, 5px, 10px, 5px)
-overflow:auto/scroll/visible/hidden
-z-index: 1 (0 is normal) </code>
-==== Advanced CSS ====
-  * Pseudo classes can restrict the selector. a:hover and a:active may have to come after a:link and a:visited. <code html>
-selector.class:pseudo-class {property: value}
-a:link {color: #FF0000}   (unvisited link)
-a:visited {color: #00FF00}  (visited link)
-a:hover {color: blue}  (mouse-over element)
-a:active {color: #0000FF} (selected element)
-a:focus {color: #0000FF} (focused element - not in IE)
-p:first-child {font-weight:bold}
-p > em:first-child { } ; p:first-child em { }
-</code>
-  * Pseudo elements are dynamic elements <code html>
-p:first-letter {} ; p:first-line {} ;
-h1:before {} ; h1:after {} ;</code>
-  * Misc Properties <code html>
-opacity:0.4; (for firefox)
-filter:alpha(opacity=40) (for IE)
-onmouseover="this.style.opacity=1;
-  this.filters.alpha.opacity=100"
-onmouseout="this.style.opacity=0.4;
-  this.filters.alpha.opacity=40"
-cursor:deflt/cursor/pointer/move/wait/help/text/crosshair</code>

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