1. CSS Resets

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;
  outline: none;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
}
html { height: 101%; }
body { font-size: 62.5%; line-height: 1; font-family: Arial, Tahoma, sans-serif; }

article, aside, details, figcaption, figure, footer, header, hgroup, menu, nav, section { display: block; }
ol, ul { list-style: none; }

blockquote, q { quotes: none; }
blockquote:before, blockquote:after, q:before, q:after { content: ''; content: none; }
strong { font-weight: bold; } 

table { border-collapse: collapse; border-spacing: 0; }
img { border: 0; max-width: 100%; }

p { font-size: 1.2em; line-height: 1.0em; color: #333; }

2. Classic CSS Clearfix

.clearfix:after { content: "."; display: block; clear: both; visibility: hidden; line-height: 0; height: 0; }
.clearfix { display: inline-block; }
 
html[xmlns] .clearfix { display: block; }
* html .clearfix { height: 1%; }

3. 2011 Updated Clearfix

.clearfix:before, .container:after { content: ""; display: table; }
.clearfix:after { clear: both; }

/* IE 6/7 */
.clearfix { zoom: 1; }

4. Cross-Browser Transparency

.transparent {
    filter: alpha(opacity=50); /* internet explorer */
    -khtml-opacity: 0.5;      /* khtml, old safari */
    -moz-opacity: 0.5;       /* mozilla, netscape */
    opacity: 0.5;           /* fx, safari, opera */
}

5. CSS Blockquote Template

blockquote {
    background: #f9f9f9;
    border-left: 10px solid #ccc;
    margin: 1.5em 10px;
    padding: .5em 10px;
    quotes: "\201C""\201D""\2018""\2019";
}
blockquote:before {
    color: #ccc;
    content: open-quote;
    font-size: 4em;
    line-height: .1em;
    margin-right: .25em;
    vertical-align: -.4em;
}
blockquote p {
    display: inline;
}

6. Individual Rounded Corners

#container {
    -webkit-border-radius: 4px 3px 6px 10px;
    -moz-border-radius: 4px 3px 6px 10px;
    -o-border-radius: 4px 3px 6px 10px;
    border-radius: 4px 3px 6px 10px;
}

/* alternative syntax broken into each line */
#container {
    -webkit-border-top-left-radius: 4px;
    -webkit-border-top-right-radius: 3px;
    -webkit-border-bottom-right-radius: 6px;
    -webkit-border-bottom-left-radius: 10px;
    
    -moz-border-radius-topleft: 4px;
    -moz-border-radius-topright: 3px;
    -moz-border-radius-bottomright: 6px;
    -moz-border-radius-bottomleft: 10px;
}

7. General Media Queries

/* Smartphones (portrait and landscape) ----------- */
@media only screen 
and (min-device-width : 320px) and (max-device-width : 480px) {
  /* Styles */
}

/* Smartphones (landscape) ----------- */
@media only screen and (min-width : 321px) {
  /* Styles */
}

/* Smartphones (portrait) ----------- */
@media only screen and (max-width : 320px) {
  /* Styles */
}

/* iPads (portrait and landscape) ----------- */
@media only screen and (min-device-width : 768px) and (max-device-width : 1024px) {
  /* Styles */
}

/* iPads (landscape) ----------- */
@media only screen and (min-device-width : 768px) and (max-device-width : 1024px) and (orientation : landscape) {
  /* Styles */
}

/* iPads (portrait) ----------- */
@media only screen and (min-device-width : 768px) and (max-device-width : 1024px) and (orientation : portrait) {
  /* Styles */
}

/* Desktops and laptops ----------- */
@media only screen and (min-width : 1224px) {
  /* Styles */
}

/* Large screens ----------- */
@media only screen and (min-width : 1824px) {
  /* Styles */
}

/* iPhone 4 ----------- */
@media only screen and (-webkit-min-device-pixel-ratio:1.5), only screen and (min-device-pixel-ratio:1.5) {
  /* Styles */
}

9. Custom Text Selection

::selection { background: #e2eae2; }
::-moz-selection { background: #e2eae2; }
::-webkit-selection { background: #e2eae2; }

10. Hiding H1 Text for Logo

h1 {
    text-indent: -9999px;
    margin: 0 auto;
    width: 320px;
    height: 85px;
    background: transparent url("images/logo.png") no-repeat scroll;
}

11. Polaroid Image Border

img.polaroid {
    background:#000; /*Change this to a background image or remove*/
    border:solid #fff;
    border-width:6px 6px 20px 6px;
    box-shadow:1px 1px 5px #333; /* Standard blur at 5px. Increase for more depth */
    -webkit-box-shadow:1px 1px 5px #333;
    -moz-box-shadow:1px 1px 5px #333;
    height:200px; /*Set to height of your image or desired div*/
    width:200px; /*Set to width of your image or desired div*/
}

13. Fancy CSS3 Pull-Quotes

.has-pullquote:before {
  /* Reset metrics. */
  padding: 0;
  border: none;
  
  /* Content */
  content: attr(data-pullquote);
  
  /* Pull out to the right, modular scale based margins. */
  float: right;
  width: 320px;
  margin: 12px -140px 24px 36px;
  
  /* Baseline correction */
  position: relative;
  top: 5px;
  
  /* Typography (30px line-height equals 25% incremental leading) */
  font-size: 23px;
  line-height: 30px;
}

.pullquote-adelle:before {
  font-family: "adelle-1", "adelle-2";
  font-weight: 100;
  top: 10px !important;
}

.pullquote-helvetica:before {
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-weight: bold;
  top: 7px !important;
}

.pullquote-facit:before {
  font-family: "facitweb-1", "facitweb-2", Helvetica, Arial, sans-serif;
  font-weight: bold;
  top: 7px !important;
}

14. Fullscreen Backgrounds with CSS3

html { 
    background: url('images/bg.jpg') no-repeat center center fixed; 
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover;
    background-size: cover;
}

15. Vertically Centered Content

.container {
    min-height: 6.5em;
    display: table-cell;
    vertical-align: middle;
}

16. Force Vertical Scrollbars

html { height: 101% }

17. CSS3 Gradients Template

#colorbox {
    background: #629721;
    background-image: -webkit-gradient(linear, left top, left bottom, from(#83b842), to(#629721));
    background-image: -webkit-linear-gradient(top, #83b842, #629721);
    background-image: -moz-linear-gradient(top, #83b842, #629721);
    background-image: -ms-linear-gradient(top, #83b842, #629721);
    background-image: -o-linear-gradient(top, #83b842, #629721);
    background-image: linear-gradient(top, #83b842, #629721);
}

18. @font-face Template

@font-face {
    font-family: 'MyWebFont';
    src: url('webfont.eot'); /* IE9 Compat Modes */
    src: url('webfont.eot?#iefix') format('embedded-opentype'), /* IE6-IE8 */
    url('webfont.woff') format('woff'), /* Modern Browsers */
    url('webfont.ttf')  format('truetype'), /* Safari, Android, iOS */
    url('webfont.svg#svgFontName') format('svg'); /* Legacy iOS */
}
  
body {
    font-family: 'MyWebFont', Arial, sans-serif;
}

19. Stitched CSS3 Elements

p {
    position:relative;
    z-index:1;
    padding: 10px;
    margin: 10px;
    font-size: 21px;
    line-height: 1.3em;
    color: #fff;
    background: #ff0030;
    -webkit-box-shadow: 0 0 0 4px #ff0030, 2px 1px 4px 4px rgba(10,10,0,.5);
    -moz-box-shadow: 0 0 0 4px #ff0030, 2px 1px 4px 4px rgba(10,10,0,.5);
    box-shadow: 0 0 0 4px #ff0030, 2px 1px 6px 4px rgba(10,10,0,.5);
    -webkit-border-radius: 3px;
    -moz-border-radius: 3px;
    border-radius: 3px;
}

p:before {
    content: "";
    position: absolute;
    z-index: -1;
    top: 3px;
    bottom: 3px;
    left :3px;
    right: 3px;
    border: 2px dashed #fff;
}

p a {
    color: #fff;
    text-decoration:none;
}

p a:hover, p a:focus, p a:active {
    text-decoration:underline;
}

20. CSS3 Zebra Stripes

tbody tr:nth-child(odd) {
    background-color: #ccc;
}

22. Drop-Cap Paragraphs

p:first-letter{
    display: block;
    margin: 5px 0 0 5px;
    float: left;
    color: #ff3366;
    font-size: 5.4em;
    font-family: Georgia, Times New Roman, serif;
}

23. Inner CSS3 Box Shadow

#mydiv { 
    -moz-box-shadow: inset 2px 0 4px #000;
    -webkit-box-shadow: inset 2px 0 4px #000;
    box-shadow: inset 2px 0 4px #000;
}

24. Outer CSS3 Box Shadow

#mydiv { 
    -webkit-box-shadow: 0 2px 2px -2px rgba(0, 0, 0, 0.52);
    -moz-box-shadow: 0 2px 2px -2px rgba(0, 0, 0, 0.52);
    box-shadow: 0 2px 2px -2px rgba(0, 0, 0, 0.52);
}

25. Triangular List Bullets

ul {
    margin: 0.75em 0;
    padding: 0 1em;
    list-style: none;
}
li:before { 
    content: "";
    border-color: transparent #111;
    border-style: solid;
    border-width: 0.35em 0 0.35em 0.45em;
    display: block;
    height: 0;
    width: 0;
    left: -1em;
    top: 0.9em;
    position: relative;
}

27. CSS3 Column Text

#columns-3 {
    text-align: justify;
    -moz-column-count: 3;
    -moz-column-gap: 12px;
    -moz-column-rule: 1px solid #c4c8cc;
    -webkit-column-count: 3;
    -webkit-column-gap: 12px;
    -webkit-column-rule: 1px solid #c4c8cc;
}

28. CSS Fixed Footer

#footer {
    position: fixed;
    left: 0px;
    bottom: 0px;
    height: 30px;
    width: 100%;
    background: #444;
}
 
/* IE 6 */
* html #footer {
    position: absolute;
    top: expression((0-(footer.offsetHeight)+(document.documentElement.clientHeight ? document.documentElement.clientHeight : document.body.clientHeight)+(ignoreMe = document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop))+'px');
}

29. Transparent PNG Fix for IE6

.bg {
    width:200px;
    height:100px;
    background: url(/folder/yourimage.png) no-repeat;
    _background:none;
    _filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src='/folder/yourimage.png',sizingMethod='crop');
}


/* 1px gif method */
img, .png {
    position: relative;
    behavior: expression((this.runtimeStyle.behavior="none")&&(this.pngSet?this.pngSet=true:(this.nodeName == "IMG" && this.src.toLowerCase().indexOf('.png')>-1?(this.runtimeStyle.backgroundImage = "none",
       this.runtimeStyle.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + this.src + "', sizingMethod='image')",
       this.src = "images/transparent.gif"):(this.origBg = this.origBg? this.origBg :this.currentStyle.backgroundImage.toString().replace('url("','').replace('")',''),
       this.runtimeStyle.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + this.origBg + "', sizingMethod='crop')",
       this.runtimeStyle.backgroundImage = "none")),this.pngSet=true));
}

30. Cross-Browser Minimum Height

#container {
    min-height: 550px;
    height: auto !important;
    height: 550px;
}

31. CSS3 Glowing Inputs

input[type=text], textarea {
    -webkit-transition: all 0.30s ease-in-out;
    -moz-transition: all 0.30s ease-in-out;
    -ms-transition: all 0.30s ease-in-out;
    -o-transition: all 0.30s ease-in-out;
    outline: none;
    padding: 3px 0px 3px 3px;
    margin: 5px 1px 3px 0px;
    border: 1px solid #ddd;
}
 
input[type=text]:focus, textarea:focus {
    box-shadow: 0 0 5px rgba(81, 203, 238, 1);
    padding: 3px 0px 3px 3px;
    margin: 5px 1px 3px 0px;
    border: 1px solid rgba(81, 203, 238, 1);
}

32. Style Links Based on Filetype

/* external links */
a[href^="http://"] {
    padding-right: 13px;
    background: url('external.gif') no-repeat center right;
}
 
/* emails */
a[href^="mailto:"] {
    padding-right: 20px;
    background: url('email.png') no-repeat center right;
}
 
/* pdfs */
a[href$=".pdf"] {
    padding-right: 18px;
    background: url('acrobat.png') no-repeat center right;
}

33. Force Code Wraps

pre {
    white-space: pre-wrap;       /* css-3 */
    white-space: -moz-pre-wrap;  /* Mozilla, since 1999 */
    white-space: -pre-wrap;      /* Opera 4-6 */
    white-space: -o-pre-wrap;    /* Opera 7 */
    word-wrap: break-word;       /* Internet Explorer 5.5+ */
}

34. Force Hand Cursor over Clickable Items

a[href], input[type='submit'], input[type='image'], label[for], select, button, .pointer {
    cursor: pointer;
}

35. Webpage Top Box Shadow

body:before {
    content: "";
    position: fixed;
    top: -10px;
    left: 0;
    width: 100%;
    height: 10px;

    -webkit-box-shadow: 0px 0px 10px rgba(0,0,0,.8);
    -moz-box-shadow: 0px 0px 10px rgba(0,0,0,.8);
    box-shadow: 0px 0px 10px rgba(0,0,0,.8);
    z-index: 100;
}

36. CSS3 Speech Bubble

.chat-bubble {
    background-color: #ededed;
    border: 2px solid #666;
    font-size: 35px;
    line-height: 1.3em;
    margin: 10px auto;
    padding: 10px;
    position: relative;
    text-align: center;
    width: 300px;
    -moz-border-radius: 20px;
    -webkit-border-radius: 20px;
    -moz-box-shadow: 0 0 5px #888;
    -webkit-box-shadow: 0 0 5px #888;
    font-family: 'Bangers', arial, serif; 
}
.chat-bubble-arrow-border {
    border-color: #666 transparent transparent transparent;
    border-style: solid;
    border-width: 20px;
    height: 0;
    width: 0;
    position: absolute;
    bottom: -42px;
    left: 30px;
}
.chat-bubble-arrow {
    border-color: #ededed transparent transparent transparent;
    border-style: solid;
    border-width: 20px;
    height: 0;
    width: 0;
    position: absolute;
    bottom: -39px;
    left: 30px;
}

37. Default H1-H5 Headers

h1,h2,h3,h4,h5{
  color: #005a9c;
}
h1{
  font-size: 2.6em;
  line-height: 2.45em;
}
h2{
  font-size: 2.1em;
  line-height: 1.9em;
}
h3{
  font-size: 1.8em;
  line-height: 1.65em;
}
h4{
  font-size: 1.65em;
  line-height: 1.4em;
}
h5{
  font-size: 1.4em;
  line-height: 1.25em;
}

38. Pure CSS Background Noise

body {
    background-image: url(data:image/png;base64,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);
    background-color: #0094d0;
}

39. Continued List Ordering

ol.chapters {
    list-style: none;
    margin-left: 0;
}

ol.chapters > li:before {
    content: counter(chapter) ". ";
    counter-increment: chapter;
    font-weight: bold;
    float: left;
    width: 40px;
}

ol.chapters li {
    clear: left;
}

ol.start {
  counter-reset: chapter;
}

ol.continue {
  counter-reset: chapter 11;
}

40. CSS Tooltip Hovers

a { 
    border-bottom:1px solid #bbb;
    color:#666;
    display:inline-block;
    position:relative;
    text-decoration:none;
}
a:hover,
a:focus {
    color:#36c;
}
a:active {
    top:1px; 
}
 
/* Tooltip styling */
a[data-tooltip]:after {
    border-top: 8px solid #222;
    border-top: 8px solid hsla(0,0%,0%,.85);
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    content: "";
    display: none;
    height: 0;
    width: 0;
    left: 25%;
    position: absolute;
}
a[data-tooltip]:before {
    background: #222;
    background: hsla(0,0%,0%,.85);
    color: #f6f6f6;
    content: attr(data-tooltip);
    display: none;
    font-family: sans-serif;
    font-size: 14px;
    height: 32px;
    left: 0;
    line-height: 32px;
    padding: 0 15px;
    position: absolute;
    text-shadow: 0 1px 1px hsla(0,0%,0%,1);
    white-space: nowrap;
    -webkit-border-radius: 5px;
    -moz-border-radius: 5px;
    -o-border-radius: 5px;
    border-radius: 5px;
}
a[data-tooltip]:hover:after {
    display: block;
    top: -9px;
}
a[data-tooltip]:hover:before {
    display: block;
    top: -41px;
}
a[data-tooltip]:active:after {
    top: -10px;
}
a[data-tooltip]:active:before {
    top: -42px;
}

41. Dark Grey Rounded Buttons

.graybtn {
    -moz-box-shadow:inset 0px 1px 0px 0px #ffffff;
    -webkit-box-shadow:inset 0px 1px 0px 0px #ffffff;
    box-shadow:inset 0px 1px 0px 0px #ffffff;
    background:-webkit-gradient( linear, left top, left bottom, color-stop(0.05, #ffffff), color-stop(1, #d1d1d1) );
    background:-moz-linear-gradient( center top, #ffffff 5%, #d1d1d1 100% );
    filter:progid:DXImageTransform.Microsoft.gradient(startColorstr='#ffffff', endColorstr='#d1d1d1');
    background-color:#ffffff;
    -moz-border-radius:6px;
    -webkit-border-radius:6px;
    border-radius:6px;
    border:1px solid #dcdcdc;
    display:inline-block;
    color:#777777;
    font-family:arial;
    font-size:15px;
    font-weight:bold;
    padding:6px 24px;
    text-decoration:none;
    text-shadow:1px 1px 0px #ffffff;
}
.graybtn:hover {
    background:-webkit-gradient( linear, left top, left bottom, color-stop(0.05, #d1d1d1), color-stop(1, #ffffff) );
    background:-moz-linear-gradient( center top, #d1d1d1 5%, #ffffff 100% );
    filter:progid:DXImageTransform.Microsoft.gradient(startColorstr='#d1d1d1', endColorstr='#ffffff');
    background-color:#d1d1d1;
}
.graybtn:active {
    position:relative;
    top:1px;
}

42. Display URLS in a Printed Webpage

@media print   {  
  a:after {  
    content: " [" attr(href) "] ";  
  }  
}

43. Disable Mobile Webkit Highlights

body {
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -khtml-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

44. CSS3 Polka-Dot Pattern

body {
    background: radial-gradient(circle, white 10%, transparent 10%),
    radial-gradient(circle, white 10%, black 10%) 50px 50px;
    background-size: 100px 100px;
}

45. CSS3 Checkered Pattern

body {
    background-color: white;
    background-image: linear-gradient(45deg, black 25%, transparent 25%, transparent 75%, black 75%, black), 
    linear-gradient(45deg, black 25%, transparent 25%, transparent 75%, black 75%, black);
    background-size: 100px 100px;
    background-position: 0 0, 50px 50px;
}

46. Github Fork Ribbon

.ribbon {
    background-color: #a00;
    overflow: hidden;
    /* top left corner */
    position: absolute;
    left: -3em;
    top: 2.5em;
    /* 45 deg ccw rotation */
    -moz-transform: rotate(-45deg);
    -webkit-transform: rotate(-45deg);
    /* shadow */
    -moz-box-shadow: 0 0 1em #888;
    -webkit-box-shadow: 0 0 1em #888;
}
.ribbon a {
    border: 1px solid #faa;
    color: #fff;
    display: block;
    font: bold 81.25% 'Helvetiva Neue', Helvetica, Arial, sans-serif;
    margin: 0.05em 0 0.075em 0;
    padding: 0.5em 3.5em;
    text-align: center;
    text-decoration: none;
    /* shadow */
    text-shadow: 0 0 0.5em #444;
}

47. Condensed CSS Font Properties

p {
  font: italic small-caps bold 1.2em/1.0em Arial, Tahoma, Helvetica;
}

48. Paper Page Curl Effect

ul.box {
    position: relative;
    z-index: 1; /* prevent shadows falling behind containers with backgrounds */
    overflow: hidden;
    list-style: none;
    margin: 0;
    padding: 0; 
}

ul.box li {
    position: relative;
    float: left;
    width: 250px;
    height: 150px;
    padding: 0;
    border: 1px solid #efefef;
    margin: 0 30px 30px 0;
    background: #fff;
    -webkit-box-shadow: 0 1px 4px rgba(0, 0, 0, 0.27), 0 0 40px rgba(0, 0, 0, 0.06) inset;
    -moz-box-shadow: 0 1px 4px rgba(0, 0, 0, 0.27), 0 0 40px rgba(0, 0, 0, 0.06) inset; 
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.27), 0 0 40px rgba(0, 0, 0, 0.06) inset; 
}

ul.box li:before,
ul.box li:after {
    content: '';
    z-index: -1;
    position: absolute;
    left: 10px;
    bottom: 10px;
    width: 70%;
    max-width: 300px; /* avoid rotation causing ugly appearance at large container widths */
    max-height: 100px;
    height: 55%;
    -webkit-box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
    -moz-box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
    -webkit-transform: skew(-15deg) rotate(-6deg);
    -moz-transform: skew(-15deg) rotate(-6deg);
    -ms-transform: skew(-15deg) rotate(-6deg);
    -o-transform: skew(-15deg) rotate(-6deg);
    transform: skew(-15deg) rotate(-6deg); 
}

ul.box li:after {
    left: auto;
    right: 10px;
    -webkit-transform: skew(15deg) rotate(6deg);
    -moz-transform: skew(15deg) rotate(6deg);
    -ms-transform: skew(15deg) rotate(6deg);
    -o-transform: skew(15deg) rotate(6deg);
    transform: skew(15deg) rotate(6deg); 
}

49. Glowing Anchor Links

a {
  color: #00e;
}
a:visited {
  color: #551a8b;
}
a:hover {
  color: #06e;
}
a:focus {
  outline: thin dotted;
}
a:hover, a:active {
  outline: 0;
}
a, a:visited, a:active {
  text-decoration: none;
  color: #fff;
  -webkit-transition: all .3s ease-in-out;
}
a:hover, .glow {
  color: #ff0;
  text-shadow: 0 0 10px #ff0;
}

50. Featured CSS3 Display Banner

.featureBanner {
    position: relative;
    margin: 20px
}
.featureBanner:before {
    content: "Featured";
    position: absolute;
    top: 5px;
    left: -8px;
    padding-right: 10px;
    color: #232323;
    font-weight: bold;
    height: 0px;
    border: 15px solid #ffa200;
    border-right-color: transparent;
    line-height: 0px;
    box-shadow: -0px 5px 5px -5px #000;
    z-index: 1;
}

.featureBanner:after {
    content: "";
    position: absolute;
    top: 35px;
    left: -8px;
    border: 4px solid #89540c;
    border-left-color: transparent;
    border-bottom-color: transparent;
}