Correct block display not defined in IE 8/9.
Correct inline-block display not defined in IE 8/9.
Prevent modern browsers from displaying audio without controls.
* Remove excess height in iOS 5 devices.
Address [hidden] styling not present in IE 8/9.
* Hide the template element in IE, Safari, and Firefox < 22.
==========================================================================
article,
aside,
details,
figcaption,
figure,
footer,
header,
hgroup,
main,
nav,
section,
summary {
display: block;
}
audio,
canvas,
video {
display: inline-block;
}
audio:not([controls]) {
display: none;
height: 0;
}
[hidden],
template {
display: none;
}1. Set default font family to sans-serif. 2. Prevent iOS text size adjust after orientation change, without disabling user zoom.
Remove default margin.
==========================================================================
html {
font-family: sans-serif; /* 1 */
-ms-text-size-adjust: 100%; /* 2 */
-webkit-text-size-adjust: 100%; /* 2 */
}
body {
margin: 0;
}Remove the gray background color from active links in IE 10.
Address outline inconsistency between Chrome and other browsers.
Improve readability when focused and also mouse hovered in all browsers.
==========================================================================
a {
background: transparent;
}
a:focus {
outline: thin dotted;
}
a:active,
a:hover {
outline: 0;
}
Address variable h1 font-size and margin within section and article
* contexts in Firefox 4+, Safari 5, and Chrome.
Address styling not present in IE 8/9, Safari 5, and Chrome.
Address style set to bolder in Firefox 4+, Safari 5, and Chrome.
Address styling not present in Safari 5 and Chrome.
Address differences between Firefox and other browsers.
Address styling not present in IE 8/9.
Correct font family set oddly in Safari 5 and Chrome.
Improve readability of pre-formatted text in all browsers.
Set consistent quote types.
Address inconsistent and variable font size in all browsers.
Prevent sub and sup affecting line-height in all browsers.
==========================================================================
h1 {
font-size: 2em;
margin: 0.67em 0;
}
abbr[title] {
border-bottom: 1px dotted;
}
b,
strong {
font-weight: bold;
}
dfn {
font-style: italic;
}
hr {
-moz-box-sizing: content-box;
box-sizing: content-box;
height: 0;
}
mark {
background: #ff0;
color: #000;
}
code,
kbd,
pre,
samp {
font-family: monospace, serif;
font-size: 1em;
}
pre {
white-space: pre-wrap;
}
q {
quotes: "\201C" "\201D" "\2018" "\2019";
}
small {
font-size: 80%;
}
sub,
sup {
font-size: 75%;
line-height: 0;
position: relative;
vertical-align: baseline;
}
sup {
top: -0.5em;
}
sub {
bottom: -0.25em;
}
Remove border when inside a element in IE 8/9.
Correct overflow displayed oddly in IE 9.
==========================================================================
img {
border: 0;
}
svg:not(:root) {
overflow: hidden;
}Address margin not present in IE 8/9 and Safari 5.
==========================================================================
figure {
margin: 0;
}Define consistent border, margin, and padding.
1. Correct color not being inherited in IE 8/9.
* 2. Remove padding so people aren't caught out if they zero out fieldsets.
1. Correct font family not being inherited in all browsers. 2. Correct font size not being inherited in all browsers. 3. Address margins set differently in Firefox 4+, Safari 5, and Chrome.
Address Firefox 4+ setting line-height on input using !important in
* the UA stylesheet.
Address inconsistent text-transform inheritance for button and select.
All other form control elements do not inherit text-transform values.
Correct button style inheritance in Chrome, Safari 5+, and IE 8+.
* Correct select style inheritance in Firefox 4+ and Opera.
1. Avoid the WebKit bug in Android 4.0. where (2) destroys native audio
and video controls.
2. Correct inability to style clickable input types in iOS.
3. Improve usability and consistency of cursor style between image-type
* input and others.
Re-set default cursor for disabled elements.
1. Address box sizing set to content-box in IE 8/9/10.
* 2. Remove excess padding in IE 8/9/10.
1. Address appearance set to searchfield in Safari 5 and Chrome.
2. Address box-sizing set to border-box in Safari 5 and Chrome
(include -moz to future-proof).
Remove inner padding and search cancel button in Safari 5 and Chrome * on OS X.
Remove inner padding and border in Firefox 4+.
1. Remove default vertical scrollbar in IE 8/9. * 2. Improve readability and alignment in all browsers.
==========================================================================
fieldset {
border: 1px solid #c0c0c0;
margin: 0 2px;
padding: 0.35em 0.625em 0.75em;
}
legend {
border: 0; /* 1 */
padding: 0; /* 2 */
}
button,
input,
select,
textarea {
font-family: inherit; /* 1 */
font-size: 100%; /* 2 */
margin: 0; /* 3 */
}
button,
input {
line-height: normal;
}
button,
select {
text-transform: none;
}
button,
html input[type="button"], /* 1 */
input[type="reset"],
input[type="submit"] {
-webkit-appearance: button; /* 2 */
cursor: pointer; /* 3 */
}
button[disabled],
html input[disabled] {
cursor: default;
}
input[type="checkbox"],
input[type="radio"] {
box-sizing: border-box; /* 1 */
padding: 0; /* 2 */
}
input[type="search"] {
-webkit-appearance: textfield; /* 1 */
-moz-box-sizing: content-box;
-webkit-box-sizing: content-box; /* 2 */
box-sizing: content-box;
}
input[type="search"]::-webkit-search-cancel-button,
input[type="search"]::-webkit-search-decoration {
-webkit-appearance: none;
}
button::-moz-focus-inner,
input::-moz-focus-inner {
border: 0;
padding: 0;
}
textarea {
overflow: auto; /* 1 */
vertical-align: top; /* 2 */
}table {
border-collapse: collapse;
border-spacing: 0;
}