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Tooltips 对于展示一些信息非常有用,并且不需要什么用户体验。目前有很多 JavaScript 插件实现了这个功能,但是如果你不想使网站更加的笨重,那我们可以使用普通的 CSS 来实现它. 我们可以使用伪元素来拉取信息,并在 :hover 时显示它(你可以使用 HTML 的 title 属性来实现完成的解决方案,但是不能自定义喜欢的样式). HTML代码: - <span class="tooltip-toggle" data-tooltip="Sample text for your tooltip!">
/ J+ M- Z/ A' V: N+ C3 d# v - Label for your tooltip
& g5 K& x4 b; t1 p2 w7 m - </span>
复制代码CSS代码: - .tooltip-toggle {+ V* I/ \- m7 r0 {5 `. N7 R: ^
- cursor: pointer;
$ z# U5 ?+ d. x- l, L- Q/ S5 L - position: relative;
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- .tooltip-toggle svg { E' x, ^, N: v
- height: 18px;3 ]9 D% L! u5 B$ T0 S* C
- width: 18px;
! N2 }6 T; J! T# S4 l [! m7 K2 b# x - padding-right: 0.5rem;8 J# l& Y. v/ Q8 r; f* R# {0 R3 E
- }: }! Y i O( W
- .tooltip-toggle::before {% d5 D. x/ o! v# f
- position: absolute;
1 @" [8 ?/ F6 t ] - top: -80px;
' t! q. U& {+ ?- |9 `# c- N) B; U - left: -80px;
4 u$ X! N8 m j% R! ?. Q% R - background-color: #2B222A;/ ~+ M. U2 a6 M% d8 a" B: e
- border-radius: 5px;8 b D. @5 w G6 g
- color: #fff;- Q& |2 p/ L3 W/ \! {7 `+ m
- content: attr(data-tooltip);
, L1 i% ?* _- V5 S1 s( l A* ? - padding: 1rem;5 k$ [. N2 O6 X2 n5 u) i
- text-transform: none;
* A- h3 G% h. {! a - -webkit-transition: all 0.5s ease;! M5 M) G t1 m- m- m
- transition: all 0.5s ease;2 M! v# S1 W5 [' r2 O
- width: 160px;
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- .tooltip-toggle::after {2 \+ Q! l. N6 i3 a' [2 C
- position: absolute;4 F9 Y0 p) D' u4 |7 K/ B/ f
- top: -12px;
5 o/ {6 p# m9 ^) ` - left: 9px;% ]' e6 w- T- j5 z
- border-left: 5px solid transparent;$ M" Q3 |" b& |( x( v6 `/ U/ ~. G
- border-right: 5px solid transparent;2 k! c! G. _* Q. X' `% W# ^
- border-top: 5px solid #2B222A;
2 l3 x8 O0 S( D" W8 r - content: " ";) l" h& d0 R2 J/ y1 M7 {
- font-size: 0;
# M: j x6 m$ Y3 B2 y - line-height: 0;
# s# \, o( M" G - margin-left: -5px;5 c' j3 C2 O: W. Z# |5 P
- width: 0;9 I* ^; a0 _, X& w3 b
- }) O: l" q: M4 z' @+ b
- .tooltip-toggle::before, .tooltip-toggle::after {
' U- h7 A. J( E - color: #efefef;* p a4 u) ^% a4 w
- font-family: monospace;
2 p% g( t7 ~. }: V- k - font-size: 16px;
3 W/ f; a. w8 I1 S ] - opacity: 0;
3 I3 {9 O1 v1 D& F - pointer-events: none;
1 D4 [' x3 X* _* M2 K - text-align: center;# H0 N, X0 p" o+ L5 [' N
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- .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {) l- d& Y7 F$ ]1 S! y2 s
- opacity: 1;2 f: v7 q' ?2 L5 Y2 |9 S4 l
- -webkit-transition: all 0.75s ease;
1 M5 g. d1 u8 w- D! \* C: P - transition: all 0.75s ease;6 V; U" A9 C5 i/ ~/ F9 \2 w
- }
复制代码下拉菜单 如果你想实现一个简单的下拉菜单,你可以通过 CSS 的 :hover 简单的触发菜单的隐藏. HTML代码: - <div class="nav-container">* [) A% N: C* I
- <ul class="nav-items">' D' O8 `2 l# H. V/ g
- <!-- Navigation -->
- L6 N- w( X6 H/ f7 a2 Z1 Y - <li class="nav-item"><a href="#">Home</a></li>7 w; X+ p* J/ h! P: k4 d7 F
- <li class="nav-item"><a href="#">About</a></li>
1 {. W" ~9 J# H$ V' r0 Y* r - <li class="nav-item"><a href="#">Contact</a></li>* ` g. u, }" n+ |1 e/ o
- <!-- Dropdown menu -->7 i+ V( \: G: {
- <li class="nav-item nav-item-dropdown">
$ R$ m4 a! d+ T8 H4 F) h6 T - <a class="dropdown-trigger" href="#">Settings</a>
9 D4 x( U: g" Z3 e" X) i+ j - <ul class="dropdown-menu">1 l: Q. _* ?3 f" |6 F; t
- <li class="dropdown-menu-item">
}9 _: D7 c) D/ z3 \% T - <a href="#">Dropdown Item 1</a>
( m4 b; Q# l6 E5 Y8 ]- e3 Y - </li>, R+ q, D6 ?8 i& ^
- <li class="dropdown-menu-item">5 [- T( j, p7 W$ x
- <a href="#">Dropdown Item 2</a>& J9 }6 I7 _* t# H1 g# b
- </li>" d) h1 V" S) s
- <li class="dropdown-menu-item">3 p% Y3 U& [/ d% a- P
- <a href="#">Dropdown Item 3</a>& X* N& y) O- v: t
- </li>2 K& I, Z9 K' e. V
- </ul>
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- </ul>' q4 k8 C4 t7 Z0 M' N5 {' W
- </div>
复制代码对应的CSS代码如下: - .nav-container {
& y1 h7 H! O. J' ~" g - background-color: #fff;
9 a# b K' a8 M - border-radius: 4px;* \" q. W) o6 v! j( `
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
# ?2 B& y) g( W8 C( O; @ - padding: 1em;2 e& I) s1 p! V' w
- border: 1px solid #eee;* E( O4 @" S! U
- display: block;/ Y: T9 Q6 } q4 b6 s8 c
- max-width: 400px;
, u" A* i2 n1 n1 X! e) `' X - margin: 0 auto; o- Y. ]2 B2 e- H3 B
- text-align: center;
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- ul,& f" q N* ?/ A: v/ n
- li {5 F8 G1 f8 g5 ~. E) G; a
- list-style: none;
( s' @" @8 T& f x/ v - -webkit-padding-start: 0;
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- a {# _# ?2 \" V0 Z! j9 W, i, a
- text-decoration: none;. |6 D9 [9 Q+ s. ?9 Q$ e
- color: #ED3E44;
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- .nav-item { L7 [+ _6 l$ D( L# v1 w
- padding: 1em;) `6 j- E! G) @$ J. M: t- b9 g
- display: inline;! D" ?: R, p7 w( U2 T1 B6 h" R( P
- }" M0 A# {; u' j' w' E y# g
- .nav-item-dropdown {/ h+ A, r; [/ Z- a: f% x
- position: relative;
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, ^+ j, U' |; b! `- E. V - .nav-item-dropdown:hover > .dropdown-menu {. _. w$ z; J1 Y
- display: block;0 S4 ~" n8 a( j/ ]3 i# m
- opacity: 1;% s. p. G1 R9 V, Z3 K2 N
- }/ I! a0 i. K# \/ ~
- .dropdown-trigger {' z! X* T8 |& f& `5 E6 p
- position: relative;! {$ V4 V7 I* M
- }9 z4 Q" M6 L+ q4 B; a7 i' `
- .dropdown-trigger:focus + .dropdown-menu {) E$ S% z( x }- P" w9 v
- display: block;& b& x [/ \* I* G; I& j
- opacity: 1;5 r: r$ g2 f! K+ p
- }1 z Y( z2 u" g! }' B
- .dropdown-trigger::after {1 ~& M# F/ `$ p; l
- content: "›";+ e" @! g: i0 j# W7 b" o4 h! N
- position: absolute;
4 c, G8 ?* o% b5 k# T5 C$ y9 b0 K - color: #ED3E44;% J' `8 ]1 e- m
- font-size: 24px;
. [# N( \! @4 h. J" p' n+ |4 ]& j; p - font-weight: bold;; z1 a! ^( P$ X
- -webkit-transform: rotate(90deg);
) I3 v- p6 h. } o% J - transform: rotate(90deg);% z# K$ O6 A" w1 |# v3 F
- top: -5px;
& z: ~( K- `9 s6 j: A4 u - right: -15px;
. R$ c& ~ A% V! Z; v - }
( q8 I# I! v7 D5 h% q7 T - .dropdown-menu {2 ?* ^( `+ ~% ?6 D# M! w+ N
- background-color: #ED3E44;4 g9 z: L6 C `! ^, a. Y
- display: inline-block;- ?" a2 {( ~ X! p' p* r
- text-align: right;. i7 v1 M+ Q a" L
- position: absolute;* ?6 a: z) t2 Y! t! A8 H
- top: 2.5rem;7 T' u1 u$ c r1 P
- right: -10px;" [, G- }; V3 C+ Z- u% r; \& u3 w( D
- display: none;1 l2 a& q1 G! t6 g
- opacity: 0;
( ?' E3 j2 w* O2 l/ M7 _; P - -webkit-transition: opacity 0.5s ease;
6 H9 K9 `* T$ a2 n/ b+ t - transition: opacity 0.5s ease;
8 ?$ G( g: a$ l! t b0 y - width: 160px;
4 {/ x1 f c; B7 V3 b - }( N3 k6 r, e; a4 I7 q. h
- .dropdown-menu a {
5 J$ T& W* W$ j# h1 l$ h6 k - color: #fff;* A4 c3 [4 B- U: r
- }! r5 h; x- W& c( X* h' b
- .dropdown-menu-item {
. g/ G/ C. U0 { - cursor: pointer;
+ R# h, Z# F1 {. h5 p - padding: 1em;
* `" W3 H! C m ~5 o8 Z - text-align: center;
3 k* M; C/ ]! ?3 o0 B7 [! z - }
0 r# W$ ~) w, q3 w* y9 U - .dropdown-menu-item:hover {
% m! K7 l, Q& w3 u4 o - background-color: #eb272d;$ ?3 P, J7 E6 Q8 ~8 Z+ Q
- }
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可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">7 s E, C8 e( K* h7 Y, q" \8 a
- <!-- Checkbox toggle -->
6 X, ~& Y" U7 _7 j2 D! f3 M; v - <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">& R* [2 N: H d7 e0 O R
- <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>
C/ }1 e, `! I( G8 i) S# J$ n - <!-- Content to toggle from www.mfbuluo.com-->% J! F* K) i1 O% t
- <div role="toggle" class="toggle-content">8 Y. R z* t7 P
- BA-NA-NA-NA!
" ?" I" |: ]3 @ - </div>
7 D. \8 {8 C" X% s - </div>
复制代码CSS代码内容如下: - .toggle {
6 X; p' J' q0 {0 P3 Y' t! _: j- u - margin: 0 auto;- V' C0 F5 @/ b: s
- max-width: 400px;
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- .toggle-label {
( g4 F: z' ?, `5 i8 H+ X6 s - font-size: 16px;
- H( U7 T' a# U% @8 V* U- x2 Y - background: #fff;
3 Q! a5 w* z+ f/ M0 c# x& I - padding: 1em;, @3 ^2 J; S$ C U' S6 Z7 K
- cursor: pointer;) e$ q# T7 b: g1 K
- display: block;7 d" C" ^7 J7 Z
- margin: 0 auto 1em;3 i. @4 s$ O* H& ~, K; c) @
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35); X- f# A& w/ O8 Z, ]$ a
- border-radius: 4px;
/ Z1 E9 I$ R. V; i, } - }
* t- _5 }, L6 {* z8 J - .toggle-label:after {) u' W1 |; y* X4 A) F N4 J5 ]9 H9 e( Y
- color: #ED3E44;# @: a3 M% r9 T4 w
- content: "+";; D: h p/ f( W; B7 {
- float: right;
6 ~. L- }, H+ G* q - font-weight: bold;* T9 J( J1 f* j' @! f$ f8 n* C
- }" ?, O, p8 t- Y6 W! E
- .toggle-content {! a Y3 q& S/ D/ Z6 K
- color: #B0B3C2;
8 m+ V+ @0 m+ ^6 e* X! x. H" r - font-family: monospace;
$ p: M- D4 O6 b- \/ O. \4 Y' R - font-size: 16px;
6 H+ H1 I9 @4 |: w, Y+ g - margin-bottom: 1.5em;
J+ ^0 e' N f3 A+ O- Q$ Y/ b* j - padding: 1em;' S3 z& L, t3 w
- }
; Z4 S! n. ^& @2 n/ k$ | - .toggle-input {
8 E+ d3 F: y% _, w$ L. f" s - display: none;
4 [& B8 V& V w O! ? - }
2 y* E* A' n2 @3 n% x2 G - .toggle-input:not(checked) ~ .toggle-content {. x& T! H4 u, _$ d
- display: none;
: k7 \8 f: K. a - }
& Y3 l5 |' W4 v6 m9 R, s( A N* i - .toggle-input:checked ~ .toggle-content {
8 ?* M4 L3 S' z9 f2 X - display: block;
0 Z; T7 Q) a2 h9 z( ]0 N - }
6 A9 h' y; C( K1 O7 k% E6 ~! f - .toggle-input:checked ~ .toggle-label:after {
i3 y$ A) D6 d6 N* y7 A: z - content: "-";9 R/ O' h2 z- G! d4 V& H
- }
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