debug.css

/*------------------------------------*\
    $DEBUG
\*------------------------------------*/
/**
 * Enable this stylesheet to visually detect any improperly nested or
 * potentially invalid markup, or any potentially inaccessible code.
 *
 * Red          ==      definite error
 * Yellow       ==      double-check
 * None         ==      should be fine
 *
 * Please note that this method of checking markup quality should not be relied
 * upon entirely. Validate your markup!
 */


/**
 * Are there any empty elements in your page?
 */
:empty{
    outline:5px solid yellow;
}


/**
 * Images require `alt` attributes, empty `alt`s are fine but should be
 * double-checked, no `alt` is bad and is flagged red.
 */
img{
    outline:5px solid red;
}
img[alt]{
    outline:none;
}
img[alt=""]{
    outline:5px solid yellow;
}


/**
 * Links sometimes, though not always, benefit from `title` attributes. Links
 * without are never invalid but it’s a good idea to check.
 */
a{
    outline:5px solid yellow;
}
a[title]{
    outline:none;
}


/**
 * Double-check any links whose `href` is something questionable.
 */
a[href="#"],
a[href*="javascript"]{
    outline:5px solid yellow;
}


/**
 * The `target` attribute ain’t too nice...
 */
a[target]{
    outline:5px solid yellow;
}


/**
 * Ensure any lists only contain `li`s as children.
 */
ul > *:not(li),
ol > *:not(li) {
  outline: 5px solid red; }


/**
 * It’s always nice to give `th`s `scope` attributes.
 */
th{
    outline:5px solid yellow;
}
th[scope]{
    outline:none;
}


/**
 * `tr`s as children of `table`s ain’t great, did you need a `thead`/`tbody`?
 */
table > tr{
    outline:5px solid yellow;
}


/**
 * `tfoot` needs to come *before* `tbody`.
 */
tbody + tfoot{
    outline:5px solid yellow;
}


/**
 * Forms require `action` attributes
 */
form{
    outline:5px solid red;
}
form[action]{
    outline:none;
}


/**
 * Various form-field types have required attributes. `input`s need `type`
 * attributes, `textarea`s need `rows` and `cols` attributes and submit buttons
 * need a `value` attribute.
 */
textarea,
input{
    outline:5px solid red;
}
input[type]{
    outline:none;
}
textarea[rows][cols]{
    outline:none;
}
input[type=submit]{
    outline:5px solid red;
}
input[type=submit][value]{
    outline:none;
}


/**
 * Avoid inline styles where possible.
 */
[style]{
	outline:5px solid yellow;
}


/**
 * You should avoid using IDs for CSS, is this doing any styling?
 */
[id]{
	outline:5px solid yellow;
}

/**
 * Definition lists should only contain DT and DD elements
 */
dl > * {
    outline:5px solid red;
}
dl > dt,
dl > dd {
    outline:none;
}