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holmes.css
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holmes.css
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/**
* O
* \ HOLMES
*
* ------------------------
*
* Holmes is stand-alone diagnostic CSS stylesheet that will highlight
* potentially invalid or erroneous HTML(5) markup
*
* @author Luke Williams
* @contributors Anthony Mann (hover based debug info)
* @author_url http://www.red-root.com
* @project_url http://github.com/redroot/holmes/
* @version 1.0.45 (06/08/2012)
*
* Copyright (C) 2012 Luke Williams & RedRoot All Rights Reserved.
* holmes.css HTML5 CSS Accessibility Validation
* Licenced under GPL license
* http://www.gnu.org/licenses/gpl.html
*
* ------------------------
*
* How does it work?
*
* Adding the class 'holmes-debug' to any element, ideally the body or html tag,
* will set debug styles for any elements within that element.
*
* e.g.:
* <body class="holmes-debug">
*
* ------------------------
*
* Debug colours and what they mean
*
* - RED denotes an error, invalid markup or a missing attribute
* - YELLOW denotes a warning, so potentionally erroneous markup or bad practice
* - DARK GREY denotes a deprecated element or element with deprecated or Non-W3C attributes
*
* -------------------------
*
* Notes
*
* - I have chosen to keep all separate types of diagnostis separate, despite sharing
* common CSS styles, to maintain readability
*
* - Getting pretty long so I've split it into outlines/borders and then Anthony's debug info, first
* the style, then the content
*
*/
/* ====================================================== */
/* = OUTLINES / BORDERS ================================= */
/* ====================================================== */
/**************
LINKS
**************/
/* Errors */
.holmes-debug a:not([href]),
.holmes-debug a[href=""] {
outline: 2px solid red;
}
.holmes-debug a[href="#"],
.holmes-debug a[href^="javascript"],
.holmes-debug a[title=""]{
outline: 2px solid #fd0;
}
/**************
IMAGES
**************/
.holmes-debug img:not([alt]){
outline: 2px solid red;
}
.holmes-debug img[alt=""] {
outline: 2px solid #fd0;
}
/*************************
MISC ATTRIBUTES
**************************/
.holmes-debug label:not([for]),
.holmes-debug label[for=""],
.holmes-debug input:not([name]),
.holmes-debug input[name=""],
.holmes-debug select:not([name]),
.holmes-debug select[name=""],
.holmes-debug textarea:not([name]),
.holmes-debug textarea[name=""],
.holmes-debug abbr:not([title]),
.holmes-debug abbr[title=""],
.holmes-debug [class=""],
.holmes-debug [id=""],
/*
Warnings here, for inline styles and event calls,
ideally they should be external (CSS) and JS applied by JS scripts,
keep markup purely presentational!
(not sure about the js yet)
*/
.holmes-debug [style]/*,
.holmes-debug [onclick],
.holmes-debug [onblur],
.holmes-debug [onfocus],
.holmes-debug [onselect],
.holmes-debug [onload],
.holmes-debug [onunload]
*/{
outline: 2px solid #fd0;
}
/*************************************************************************
DEPRECATED & NON-W3C CONTENT ELEMENTS (#a9a9a9)
Based largely on http://www.w3.org/TR/html5/obsolete.html#obsolete
*************************************************************************/
.holmes-debug applet,
.holmes-debug acronym,
.holmes-debug center,
.holmes-debug dir,
.holmes-debug font,
.holmes-debug strike,
.holmes-debug big,
.holmes-debug tt,
.holmes-debug marquee, /* i've left this is because its naff bascially */
.holmes-debug hgroup,
.holmes-debug plaintext,
.holmes-debug xmp {
outline: 2px solid #a9a9a9;
}
body.holmes-debug[background],
body.holmes-debug[bgproperties],
body.holmes-debug[topmargin],
body.holmes-debug[rightmargin],
body.holmes-debug[bottommargin],
body.holmes-debug[leftmargin] {
outline: 2px solid #a9a9a9;
}
.holmes-debug *[bordercolor],
.holmes-debug *[bordercolordark],
.holmes-debug *[bordercolorlight],
.holmes-debug table[frame],
.holmes-debug table[summary] {
outline: 2px solid #a9a9a9;
}
.holmes-debug *[align],
.holmes-debug *[valign],
.holmes-debug *[bgcolor],
.holmes-debug *[clear],
.holmes-debug ul[type], .holmes-debug li[type] {
outline: 2px solid #a9a9a9;
}
/*********************
EMPTY ELEMENTS (warning level for now)
**********************/
.holmes-debug div:empty,
.holmes-debug span:empty,
.holmes-debug li:empty,
.holmes-debug p:empty,
.holmes-debug td:empty,
.holmes-debug th:empty {
outline: 2px solid #fd0;
}
/* ====================================================== */
/* = MESSAGES STYLES ==================================== */
/* ====================================================== */
/* ================== */
/* = Warning Style = */
/* ================== */
/* - LINKS - */
.holmes-debug a[href="#"]:hover::after,
.holmes-debug a[href^="javascript"]:hover::after,
.holmes-debug a[title=""]:hover::after,
.holmes-debug img[alt=""]:hover::after,
/* - EMPTY ELEMENTS - */
.holmes-debug div:empty:hover::after,
.holmes-debug span:empty:hover::after,
.holmes-debug li:empty:hover::after,
.holmes-debug p:empty:hover::after,
.holmes-debug td:empty:hover::after,
.holmes-debug th:empty:hover::after,
/* - MISC ATTRIBUTES - */
.holmes-debug [style]:hover::after {
border-radius: 0.5em;
display:block;
padding: 1em;
margin: 1em;
background: #fd0;
position: fixed;
color: #000;
left: 0px;
top: 0px;
z-index: 9999;
}
/* =============== */
/* = Error Style = */
/* =============== */
/* - LINKS - */
.holmes-debug a:not([href]):hover::after,
.holmes-debug a[href=""]:hover::after,
/* - IMAGES - */
.holmes-debug img:not([alt]):hover:after,
/* MISC ATTRIBUTES */
.holmes-debug label:not([for]):hover::after,
.holmes-debug label[for=""]:hover::after,
.holmes-debug input:not([name]):hover::after,
.holmes-debug input[name=""]:hover::after,
.holmes-debug select:not([name]):hover::after,
.holmes-debug select[name=""]:hover::after,
.holmes-debug textarea:not([name]):hover::after,
.holmes-debug textarea[name=""]:hover::after,
.holmes-debug abbr:not([title]):hover::after,
.holmes-debug abbr[title=""]:hover::after,
.holmes-debug [class=""]:hover::after,
.holmes-debug [id=""]:hover::after,
/* ===================== */
/* = Deprecated Styles = */
/* ===================== */
/* - DEPRECATED & NON-W3C CONTENT ELEMENTS - */
.holmes-debug applet:hover::after,
.holmes-debug acronym:hover::after,
.holmes-debug center:hover::after,
.holmes-debug dir:hover::after,
.holmes-debug font:hover::after,
.holmes-debug strike:hover::after,
.holmes-debug big:hover::after,
.holmes-debug tt:hover::after,
.holmes-debug marquee:hover::after,
.holmes-debug hgroup:hover::after,
.holmes-debug plaintext:hover::after,
.holmes-debug xmp:hover::after,
.holmes-debug *[bordercolor]:hover::after,
.holmes-debug *[bordercolordark]:hover::after,
.holmes-debug *[bordercolorlight]:hover::after,
.holmes-debug table[frame]:hover::after,
.holmes-debug table[summary]:hover::after,
.holmes-debug *[align]:hover::after,
.holmes-debug *[valign]:hover::after,
.holmes-debug *[bgcolor]:hover::after,
.holmes-debug *[clear]:hover::after,
.holmes-debug ul[type]:hover::after,
.holmes-debug li[type]:hover::after {
border-radius: 0.5em;
display:block;
padding: 1em;
margin: 1em;
background: red;
position: fixed;
background: #a9a9a9;
color: #000;
left: 0px;
top: 0px;
z-index: 9999;
}
/* ================================ */
/* = Deprecated body style Styles = */
/* ================================ */
body.holmes-debug[background]:hover::after,
body.holmes-debug[bgproperties]:hover::after,
body.holmes-debug[topmargin]:hover::after,
body.holmes-debug[rightmargin]:hover::after,
body.holmes-debug[bottommargin]:hover::after,
body.holmes-debug[leftmargin]:hover::after {
border-radius: 0.5em;
display:block;
padding: 1em;
margin: 1em;
background: red;
position: fixed;
background: #a9a9a9;
color: #000;
bottom: 0px;
right: 0px;
z-index: 9999;
/* Bottom right due to whole body coverage */
}
/* Fixes the case where a table may contain both errors and warnings - potentially other cases of this elsewhere */
.holmes-debug td:empty:hover::after,
.holmes-debug th:empty:hover::after {
top: 4em;
}
/* ====================================================== */
/* = MESSAGES CONTENT =================================== */
/* ====================================================== */
/**************
LINKS
**************/
.holmes-debug a:not([href]):hover::after,
.holmes-debug a[href=""]:hover::after {
content:'Missing href attribute';
}
.holmes-debug a[href="#"]:hover:after{
content:"href='#'";
}
.holmes-debug a[href^="javascript"]:hover:after{
content:'Href has javascript';
}
.holmes-debug a[title=""]:hover::after {
content:'Empty title attribute';
}
/**************
IMAGES
**************/
.holmes-debug img:not([alt]):hover::after {
content:'Missing alt attribute';
}
.holmes-debug img[alt=""]:hover::after {
content:'No text in alt attribute';
}
/*************************
MISC ATTRIBUTES
**************************/
.holmes-debug label:not([for]):hover::after,
.holmes-debug label[for=""]:hover::after{
content:'Missing for attribute';
}
.holmes-debug input:not([name]):hover::after,
.holmes-debug input[name=""]:hover::after,
.holmes-debug select:not([name]):hover::after,
.holmes-debug select[name=""]:hover::after,
.holmes-debug textarea:not([name]):hover::after,
.holmes-debug textarea[name=""]:hover::after {
content:'Missing name attribute';
}
.holmes-debug abbr:not([title]):hover::after,
.holmes-debug abbr[title=""]:hover::after {
content:'Missing title attribute';
}
.holmes-debug [class=""]:hover::after {
content:'Blank class attribute';
}
.holmes-debug [id=""]:hover::after {
content:'Blank id attribute';
}
.holmes-debug [style]:hover::after {
content: 'Element has inline styles';
}
/*************************************************************************
DEPRECATED & NON-W3C CONTENT ELEMENTS (#a9a9a9)
Based largely on http://www.w3.org/TR/html5/obsolete.html#obsolete
*************************************************************************/
.holmes-debug applet:hover::after,
.holmes-debug acronym:hover::after,
.holmes-debug center:hover::after,
.holmes-debug dir:hover::after,
.holmes-debug font:hover::after,
.holmes-debug strike:hover::after,
.holmes-debug big:hover::after,
.holmes-debug tt:hover::after,
.holmes-debug marquee:hover::after, /* i've left this is because its naff bascially */
.holmes-debug hgroup:hover::after,
.holmes-debug plaintext:hover::after,
.holmes-debug xmp:hover::after {
content:'Deprecated or Non-W3C element';
}
/************************************************************************
DEPRECATED NON-W3C ATTRIBUTES (#a9a9a9)
Based largely on http://www.w3.org/TR/html5/obsolete.html#obsolete
************************************************************************/
body.holmes-debug[background]:hover::after {
content:'Deprecated or Non-W3C body attribute background';
}
body.holmes-debug[bgproperties]:hover::after {
content:'Deprecated or Non-W3C body attribute bgproperties';
}
body.holmes-debug[topmargin]:hover::after,
body.holmes-debug[rightmargin]:hover::after,
body.holmes-debug[bottommargin]:hover::after,
body.holmes-debug[leftmargin]:hover::after {
content:'Deprecated or Non-W3C body attribute *margin';
}
.holmes-debug *[bordercolor]:hover::after,
.holmes-debug *[bordercolordark]:hover::after,
.holmes-debug *[bordercolorlight]:hover::after {
content:'Deprecated or Non-W3C attribute bordercolor';
}
.holmes-debug table[frame]:hover::after {
content:'Deprecated or Non-W3C table attribute frame';
}
.holmes-debug table[summary]:hover::after {
content:'Deprecated or Non-W3C table attribute summary';
}
.holmes-debug *[align]:hover::after,
.holmes-debug *[valign]:hover::after {
content:'Deprecated or Non-W3C attribute *align';
}
.holmes-debug *[bgcolor]:hover::after {
content:'Deprecated or Non-W3C attribute bgcolor';
}
.holmes-debug *[clear]:hover::after {
content:'Deprecated or Non-W3C attribute clear';
}
.holmes-debug ul[type]:hover::after,
.holmes-debug li[type]:hover::after {
content:'Deprecated or Non-W3C list attribute type';
}
/*********************
EMPTY ELEMENTS (warning level for now)
**********************/
.holmes-debug div:empty:hover::after,
.holmes-debug span:empty:hover::after,
.holmes-debug li:empty:hover::after,
.holmes-debug p:empty:hover::after,
.holmes-debug td:empty:hover::after,
.holmes-debug th:empty:hover::after {
content:'Empty element!';
}