这是一个小 CSS 样式表,是我在阅读《CSS In Depth》 一书中发现的。著名的库,作为 CSS 基础样式的一部分,可消除客户端渲染不一致问题。
地址是 https://necolas.github.io/normalize.css/
别小看这不到 200 行的小 CSS ,这可是一群大佬花了几百个小时调出来的。解决的问题比如说 line-height,不同浏览器的默认 line-height 是不同的,如果不注意这个问题,那么我们之后产出的网页则会有问题。使用了这个库后,几乎所有属性的默认值就就统一了。
/* 使各浏览器显示效果一致 */
html {
line-height: 1.15;
-webkit-text-size-adjust: 100%
}
body {
margin: 0
}
main {
display: block
}
h1 {
font-size: 2em;
margin: 0.67em 0
}
hr {
box-sizing: content-box;
height: 0;
overflow: visible
}
pre {
font-family: monospace, monospace;
font-size: 1em
}
a {
background-color: transparent
}
abbr[title] {
border-bottom: none;
text-decoration: underline;
text-decoration: underline dotted
}
b,
strong {
font-weight: bolder
}
code,
kbd,
samp {
font-family: monospace, monospace;
font-size: 1em
}
small {
font-size: 80%
}
sub,
sup {
font-size: 75%;
line-height: 0;
position: relative;
vertical-align: baseline
}
sub {
bottom: -0.25em
}
sup {
top: -0.5em
}
img {
border-style: none
}
button,
input,
optgroup,
select,
textarea {
font-family: inherit;
font-size: 100%;
line-height: 1.15;
margin: 0
}
button,
input {
overflow: visible
}
button,
select {
text-transform: none
}
button,
[type="button"],
[type="reset"],
[type="submit"] {
-webkit-appearance: button
}
button::-moz-focus-inner,
[type="button"]::-moz-focus-inner,
[type="reset"]::-moz-focus-inner,
[type="submit"]::-moz-focus-inner {
border-style: none;
padding: 0
}
button:-moz-focusring,
[type="button"]:-moz-focusring,
[type="reset"]:-moz-focusring,
[type="submit"]:-moz-focusring {
outline: 1px dotted ButtonText
}
fieldset {
padding: 0.35em 0.75em 0.625em
}
legend {
box-sizing: border-box;
color: inherit;
display: table;
max-width: 100%;
padding: 0;
white-space: normal
}
progress {
vertical-align: baseline
}
textarea {
overflow: auto
}
[type="checkbox"],
[type="radio"] {
box-sizing: border-box;
padding: 0
}
[type="number"]::-webkit-inner-spin-button,
[type="number"]::-webkit-outer-spin-button {
height: auto
}
[type="search"] {
-webkit-appearance: textfield;
outline-offset: -2px
}
[type="search"]::-webkit-search-decoration {
-webkit-appearance: none
}
::-webkit-file-upload-button {
-webkit-appearance: button;
font: inherit
}
details {
display: block
}
summary {
display: list-item
}
template {
display: none
}
[hidden] {
display: none
}