Perlmania

CSS Snippets


Browser Reset

Browserspezifische Stylesheets zurücksetzen

/* 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;
}

iPad media queries

Unterschiedliches Styles für iPad im Hoch- und Querformat

@media only screen and (device-width: 768px) {
  /* iPad allgemein */
}

@media only screen and (min-device-width: 481px) and (max-device-width: 1024px) and (orientation:portrait) {
  /* iPad Hochformat (protrait) */
}

@media only screen and (min-device-width: 481px) and (max-device-width: 1024px) and (orientation:landscape) {
  /* iPad Querformat (landscape) */
}

Transparenz

Transparenz-Einstellung für alle Browser

.transparent {
  zoom: 1;
  filter: alpha(opacity=50);
  opacity: 0.5;
}

1x1 Pixel transparentes GIF (inline)

<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7">

Bilder umwandeln

Elemente in Graustufen umwandeln (funktioniert nicht mehr unter IE10+)

.grayed-out {
  filter: url("data:image/svg+xml;utf8,<svg xmlns=\'http://www.w3.org/2000/svg\'><filter id=\'grayscale\'><feColorMatrix type=\'matrix\' values=\'0.3333 0.3333 0.3333 0 0 0.3333 0.3333 0.3333 0 0 0.3333 0.3333 0.3333 0 0 0 0 0 1 0\'/></filter></svg>#grayscale"); /* Firefox 10+, Firefox on Android */
  filter: grayscale(100%);
  -moz-filter: grayscale(100%);
  -ms-filter: grayscale(100%);
  -o-filter: grayscale(100%);
  filter: gray; /* IE6-9 */
  -webkit-filter: grayscale(100%); /* Chrome 19+, Safari 6+, Safari 6+ iOS */
}

Internet Explorer

Styles für spezielle IE Version (5-9)

<!--[if IE]>       /* IE 5-9 */            <![endif]-->
<!--[if !IE]>      /* Not IE 5-9 */        <![endif]-->
<!--[if IE 6]>     /* IE 6 */              <![endif]-->
<!--[if gt IE 7]>  /* Greater than IE 7 */ <![endif]-->
<!--[if gte IE 8]> /* IE 8+ */             <![endif]-->
<!--[if lt IE 9]>  /* Before IE 9 */       <![endif]-->
<!--[if lte IE 8]> /* IE 8 or older */     <![endif]-->

Styles für IE 10+ (Hack)

@@media screen and (-ms-high-contrast: active), (-ms-high-contrast: none) {
  /* IE 10 or higher */
}