1 /*! normalize.css v8.0.1 | MIT License | github.com/necolas/normalize.css */
2
3 /* Document
4 ========================================================================== */
5
6 /**
7 * 1. Correct the line height in all browsers.
8 * 2. Prevent adjustments of font size after orientation changes in iOS.
9 */
10
11 html {
12 line-height: 1.15; /* 1 */
13 -webkit-text-size-adjust: 100%; /* 2 */
14 }
15
16 /* Sections
17 ========================================================================== */
18
19 /**
20 * Remove the margin in all browsers.
21 */
22
23 body {
24 margin: 0;
25 }
26
27 /**
28 * Render the `main` element consistently in IE.
29 */
30
31 main {
32 display: block;
33 }
34
35 /**
36 * Correct the font size and margin on `h1` elements within `section` and
37 * `article` contexts in Chrome, Firefox, and Safari.
38 */
39
40 h1 {
41 font-size: 2em;
42 margin: 0.67em 0;
43 }
44
45 /* Grouping content
46 ========================================================================== */
47
48 /**
49 * 1. Add the correct box sizing in Firefox.
50 * 2. Show the overflow in Edge and IE.
51 */
52
53 hr {
54 box-sizing: content-box; /* 1 */
55 height: 0; /* 1 */
56 overflow: visible; /* 2 */
57 }
58
59 /**
60 * 1. Correct the inheritance and scaling of font size in all browsers.
61 * 2. Correct the odd `em` font sizing in all browsers.
62 */
63
64 pre {
65 font-family: monospace, monospace; /* 1 */
66 font-size: 1em; /* 2 */
67 }
68
69 /* Text-level semantics
70 ========================================================================== */
71
72 /**
73 * Remove the gray background on active links in IE 10.
74 */
75
76 a {
77 background-color: transparent;
78 }
79
80 /**
81 * 1. Remove the bottom border in Chrome 57-
82 * 2. Add the correct text decoration in Chrome, Edge, IE, Opera, and Safari.
83 */
84
85 abbr[title] {
86 border-bottom: none; /* 1 */
87 text-decoration: underline; /* 2 */
88 text-decoration: underline dotted; /* 2 */
89 }
90
91 /**
92 * Add the correct font weight in Chrome, Edge, and Safari.
93 */
94
95 b,
96 strong {
97 font-weight: bolder;
98 }
99
100 /**
101 * 1. Correct the inheritance and scaling of font size in all browsers.
102 * 2. Correct the odd `em` font sizing in all browsers.
103 */
104
105 code,
106 kbd,
107 samp {
108 font-family: monospace, monospace; /* 1 */
109 font-size: 1em; /* 2 */
110 }
111
112 /**
113 * Add the correct font size in all browsers.
114 */
115
116 small {
117 font-size: 80%;
118 }
119
120 /**
121 * Prevent `sub` and `sup` elements from affecting the line height in
122 * all browsers.
123 */
124
125 sub,
126 sup {
127 font-size: 75%;
128 line-height: 0;
129 position: relative;
130 vertical-align: baseline;
131 }
132
133 sub {
134 bottom: -0.25em;
135 }
136
137 sup {
138 top: -0.5em;
139 }
140
141 /* Embedded content
142 ========================================================================== */
143
144 /**
145 * Remove the border on images inside links in IE 10.
146 */
147
148 img {
149 border-style: none;
150 }
151
152 /* Forms
153 ========================================================================== */
154
155 /**
156 * 1. Change the font styles in all browsers.
157 * 2. Remove the margin in Firefox and Safari.
158 */
159
160 button,
161 input,
162 optgroup,
163 select,
164 textarea {
165 font-family: inherit; /* 1 */
166 font-size: 100%; /* 1 */
167 line-height: 1.15; /* 1 */
168 margin: 0; /* 2 */
169 }
170
171 /**
172 * Show the overflow in IE.
173 * 1. Show the overflow in Edge.
174 */
175
176 button,
177 input { /* 1 */
178 overflow: visible;
179 }
180
181 /**
182 * Remove the inheritance of text transform in Edge, Firefox, and IE.
183 * 1. Remove the inheritance of text transform in Firefox.
184 */
185
186 button,
187 select { /* 1 */
188 text-transform: none;
189 }
190
191 /**
192 * Correct the inability to style clickable types in iOS and Safari.
193 */
194
195 button,
196 [type="button"],
197 [type="reset"],
198 [type="submit"] {
199 -webkit-appearance: button;
200 }
201
202 /**
203 * Remove the inner border and padding in Firefox.
204 */
205
206 button::-moz-focus-inner,
207 [type="button"]::-moz-focus-inner,
208 [type="reset"]::-moz-focus-inner,
209 [type="submit"]::-moz-focus-inner {
210 border-style: none;
211 padding: 0;
212 }
213
214 /**
215 * Restore the focus styles unset by the previous rule.
216 */
217
218 button:-moz-focusring,
219 [type="button"]:-moz-focusring,
220 [type="reset"]:-moz-focusring,
221 [type="submit"]:-moz-focusring {
222 outline: 1px dotted ButtonText;
223 }
224
225 /**
226 * Correct the padding in Firefox.
227 */
228
229 fieldset {
230 padding: 0.35em 0.75em 0.625em;
231 }
232
233 /**
234 * 1. Correct the text wrapping in Edge and IE.
235 * 2. Correct the color inheritance from `fieldset` elements in IE.
236 * 3. Remove the padding so developers are not caught out when they zero out
237 * `fieldset` elements in all browsers.
238 */
239
240 legend {
241 box-sizing: border-box; /* 1 */
242 color: inherit; /* 2 */
243 display: table; /* 1 */
244 max-width: 100%; /* 1 */
245 padding: 0; /* 3 */
246 white-space: normal; /* 1 */
247 }
248
249 /**
250 * Add the correct vertical alignment in Chrome, Firefox, and Opera.
251 */
252
253 progress {
254 vertical-align: baseline;
255 }
256
257 /**
258 * Remove the default vertical scrollbar in IE 10+.
259 */
260
261 textarea {
262 overflow: auto;
263 }
264
265 /**
266 * 1. Add the correct box sizing in IE 10.
267 * 2. Remove the padding in IE 10.
268 */
269
270 [type="checkbox"],
271 [type="radio"] {
272 box-sizing: border-box; /* 1 */
273 padding: 0; /* 2 */
274 }
275
276 /**
277 * Correct the cursor style of increment and decrement buttons in Chrome.
278 */
279
280 [type="number"]::-webkit-inner-spin-button,
281 [type="number"]::-webkit-outer-spin-button {
282 height: auto;
283 }
284
285 /**
286 * 1. Correct the odd appearance in Chrome and Safari.
287 * 2. Correct the outline style in Safari.
288 */
289
290 [type="search"] {
291 -webkit-appearance: textfield; /* 1 */
292 outline-offset: -2px; /* 2 */
293 }
294
295 /**
296 * Remove the inner padding in Chrome and Safari on macOS.
297 */
298
299 [type="search"]::-webkit-search-decoration {
300 -webkit-appearance: none;
301 }
302
303 /**
304 * 1. Correct the inability to style clickable types in iOS and Safari.
305 * 2. Change font properties to `inherit` in Safari.
306 */
307
308 ::-webkit-file-upload-button {
309 -webkit-appearance: button; /* 1 */
310 font: inherit; /* 2 */
311 }
312
313 /* Interactive
314 ========================================================================== */
315
316 /*
317 * Add the correct display in Edge, IE 10+, and Firefox.
318 */
319
320 details {
321 display: block;
322 }
323
324 /*
325 * Add the correct display in all browsers.
326 */
327
328 summary {
329 display: list-item;
330 }
331
332 /* Misc
333 ========================================================================== */
334
335 /**
336 * Add the correct display in IE 10+.
337 */
338
339 template {
340 display: none;
341 }
342
343 /**
344 * Add the correct display in IE 10.
345 */
346
347 [hidden] {
348 display: none;
349 }
来源：http://necolas.github.io/normalize.css/