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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!">4 Q$ G+ V# q0 ^
- Label for your tooltip4 \9 u' i" x: n1 l
- </span>
复制代码CSS代码: - .tooltip-toggle {
9 P" W; z1 m8 @2 V6 o1 k' k8 B - cursor: pointer;
* \* o0 N9 V; I/ ]/ }7 H" }% o* r - position: relative;
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; p) X$ i" C# r5 D, E7 u1 F - .tooltip-toggle svg {7 s1 {5 ^8 _; m; T4 P
- height: 18px;4 N7 u% V- W6 h
- width: 18px;; H1 R4 m7 u9 Q. d/ f0 `0 `7 D
- padding-right: 0.5rem;
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- .tooltip-toggle::before {
' ~( Z7 |6 g4 @" ]4 R' Q9 B# n4 a - position: absolute;
2 Z* G* V- y& t7 D - top: -80px;
2 X3 u, z7 b1 r3 S, E - left: -80px;; [: g) A! G3 Z% F; C7 @
- background-color: #2B222A;0 e E8 Z8 |/ }0 a
- border-radius: 5px;9 A6 [/ u2 Q1 n
- color: #fff;$ Y1 ~3 q# v8 }5 X
- content: attr(data-tooltip);
$ N0 H0 |: Z x. \! M3 w - padding: 1rem;
7 l& u5 ]" I5 I4 d. I: Y - text-transform: none;9 G; u: L2 t2 C2 ^% L% `. E3 v' z
- -webkit-transition: all 0.5s ease;) y* q1 w% V- F* ^
- transition: all 0.5s ease;& ~& r: ?9 _, |/ _# j
- width: 160px;
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- .tooltip-toggle::after {0 F9 k- S5 p+ L( s2 M' q3 ` V" ^
- position: absolute;
: l: t% C5 s' K: ?. d - top: -12px;& m$ h. f2 X) F
- left: 9px;
7 j6 h1 I1 c+ r( z0 `4 l5 a - border-left: 5px solid transparent;4 Q4 m' }; Y( }( {
- border-right: 5px solid transparent;! M( |3 @ n0 _
- border-top: 5px solid #2B222A;
4 h9 W( v% C2 J- T* R. B. b - content: " ";
' ~7 V2 a3 z- b4 d# o% d' q; o7 T - font-size: 0;
1 i- M- V, }" i' k - line-height: 0;
' I- _# h3 T0 X K& k- m - margin-left: -5px;
0 Y3 a# G6 Y$ p* a/ n - width: 0;
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- .tooltip-toggle::before, .tooltip-toggle::after {) S/ E+ d' i0 k$ l" J' G
- color: #efefef;
4 i& [. o9 L2 L) Y6 {+ C) s2 E - font-family: monospace;6 r* ]* e3 r" v# o1 ~- C( D% q
- font-size: 16px;
" @" d/ p0 L# t. q+ C$ C& x. B - opacity: 0;8 L, f3 j" u# U5 q4 s- \
- pointer-events: none;' Y# o, B9 I$ l7 h
- text-align: center;
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- .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {. X: T9 B7 W6 ?0 z! q! \$ z9 S0 P+ `
- opacity: 1;* L) P6 I/ l% V( \# N6 m6 Y/ A
- -webkit-transition: all 0.75s ease;; M0 f6 K: _% g0 a3 | ^
- transition: all 0.75s ease;
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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">: D% \ Y; {# A) H
- <ul class="nav-items">
* `+ p& {/ Z. o - <!-- Navigation -->
! S/ m. y$ _# A" G' ` - <li class="nav-item"><a href="#">Home</a></li>. O( Y0 ^; ~4 o) P
- <li class="nav-item"><a href="#">About</a></li>5 D- a, B% R" K- K' F
- <li class="nav-item"><a href="#">Contact</a></li>
4 J+ a7 G, K$ \ - <!-- Dropdown menu -->
) v( G+ A/ d; M( c) O/ K( P- a - <li class="nav-item nav-item-dropdown">
5 u4 K% V8 \3 `( m2 [6 G - <a class="dropdown-trigger" href="#">Settings</a>
3 G4 X& T; t" T* C- G$ u - <ul class="dropdown-menu">
7 H5 {: s+ h% r5 o: X% H: i - <li class="dropdown-menu-item">
' I- F1 i+ V1 u( Q - <a href="#">Dropdown Item 1</a>! E2 x* _5 {% ~
- </li>
1 g: l% C: |( D7 B) U+ u - <li class="dropdown-menu-item">
7 {' v4 D. o2 G4 `$ p; j - <a href="#">Dropdown Item 2</a>6 P- O' [+ ?) h' K8 n! v
- </li>
* S& ^; Q! N5 R ]: U2 |8 } - <li class="dropdown-menu-item">: o; R$ W! c" J$ d
- <a href="#">Dropdown Item 3</a>
& k6 L: j: ]/ ?/ i' i* g4 I - </li>
7 ^/ b; N* {9 n7 q! l - </ul>
; K8 m, l% x: z4 W* v4 K& r* n7 c4 [ - </li>
5 m6 ?# o' c# a9 F" A - </ul>
# T% b4 F. c7 T6 P" S4 [# | - </div>
复制代码对应的CSS代码如下: - .nav-container {
$ E8 g7 O2 a1 W* m: \" F: i6 \8 Q - background-color: #fff;
) R7 I/ t- |( [4 o* d - border-radius: 4px;
6 Z' F! @8 }# e* i" ^3 `* p5 k - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);% F2 I. s/ C( Z
- padding: 1em;" A7 k0 I: I' k, O/ S& ]
- border: 1px solid #eee;
8 n0 x# D9 w9 |7 D - display: block;$ r7 f1 x7 r8 w2 d$ Y: D" N" k* L
- max-width: 400px;
9 Y' R$ ~3 i) C' {" ^, ^ - margin: 0 auto;$ s( M3 \2 n5 F* `) i, ]
- text-align: center;# A3 W5 [0 V0 p
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- ul,/ m% O- M& d7 { m9 ^" S" y+ w
- li {7 z1 z4 c- F5 i2 q, M1 P: B
- list-style: none;
0 }) B% v5 u8 C _% O0 A - -webkit-padding-start: 0;9 C6 L Q* m& [6 N, h" E2 u
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- a {
1 K( |% [% q# E - text-decoration: none;
: p# E7 ~1 d% v* O. v; M - color: #ED3E44;
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$ C. t# c" J0 p% p - .nav-item {# C1 D7 h2 f, ?8 f+ a- W4 q
- padding: 1em; o6 Y: B; u& {% }' c) X0 W. ~
- display: inline;
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' D; ~$ w+ Q" s5 P' \" B0 P - .nav-item-dropdown {
8 D! l! d' j: o7 d) N - position: relative;
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3 ]4 R( z5 e) u x" C+ ^ - .nav-item-dropdown:hover > .dropdown-menu {
4 ^- d) h( \2 n8 B) }. M3 t% i - display: block;
9 `4 n( H7 w) W# M! t2 f - opacity: 1;
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4 w: d. _" ^) a R0 \6 v! b9 O - .dropdown-trigger {* r' m$ V; l0 n. A
- position: relative;
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- .dropdown-trigger:focus + .dropdown-menu {
Q% j# H7 P# b/ q7 [/ M+ Z; Z8 I, e - display: block;
9 u* l9 F3 i) E$ T) ^3 k - opacity: 1;
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- .dropdown-trigger::after {
" J ]6 s: @6 } - content: "›";
# |' H; F* w2 X8 z, O( S0 Q - position: absolute;
$ ~! H- Q( f: l1 y7 `0 L- v s - color: #ED3E44;
5 ~+ i j) `! g5 E% w" f, {* E - font-size: 24px;
# k/ `5 M" C: g- J' O0 x - font-weight: bold;
7 e) l4 p) c. J" f! f - -webkit-transform: rotate(90deg);0 T# z5 t# [4 Z; M
- transform: rotate(90deg);
& A) i5 i1 K8 B - top: -5px;- x1 H9 y6 D [8 y
- right: -15px;+ ~" g5 ^6 N. n; R: y# f; S6 q( Z
- }, o, s. o* t- Q" q0 B5 K5 o s; Z
- .dropdown-menu { k9 Q9 C2 |1 s7 J' v+ w% z
- background-color: #ED3E44;# ?6 m) O4 |1 @$ Z0 y6 C
- display: inline-block;
# T: F# g) M" o$ F4 F' e2 a/ L - text-align: right;, U* s7 L. j3 s3 B( y# N
- position: absolute;6 N, e9 F; F6 f7 T# `9 ~
- top: 2.5rem;* s5 a1 o N; h$ [) u
- right: -10px;' d% |2 M- G6 \
- display: none;
b" I7 O2 N2 V! l4 r! n - opacity: 0;
/ M/ O2 v# p: d; P! m% |) D0 Q - -webkit-transition: opacity 0.5s ease;
& b9 e$ ]& ~: j4 o1 A( e - transition: opacity 0.5s ease;# Z$ a# X" F) O2 f. H6 @) ^! X5 H/ D
- width: 160px;
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- .dropdown-menu a {/ I. g4 L; c$ k
- color: #fff;/ B& S8 L5 J5 {+ y7 g
- } x1 }) \& H- l) n! E
- .dropdown-menu-item {, W* {' l3 o& b6 N1 L! D( }0 s
- cursor: pointer;7 Z) a7 j& M# e% Z/ d; [, C. y
- padding: 1em;
. Y( x& H3 N' q9 E - text-align: center;% t4 `/ u, \. z1 f
- }
. |5 M+ Z J1 t2 u, e# [ - .dropdown-menu-item:hover {) c" H) }2 h8 h
- background-color: #eb272d;
: c9 H0 a. D7 e' G - }
复制代码
, }* a$ ~8 R4 P9 P9 B可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">; R# A2 ]2 W- }: t+ H/ O0 E
- <!-- Checkbox toggle -->
4 M9 \" {# J' y |# D3 n - <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">
0 w& p, @/ q: v* |- q& C! s) I4 G- y - <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>7 Y0 J7 V3 e* t! N/ _% Z! V* D. G
- <!-- Content to toggle from www.mfbuluo.com-->
# X7 x; c" E8 l" s8 R7 P3 I; E - <div role="toggle" class="toggle-content">
8 T7 w2 t4 k6 c* E5 f2 m0 j0 ] - BA-NA-NA-NA!
. J Z( }5 b8 n; E3 `6 Y" g- P" E& i - </div>
( B3 l7 F" q9 p5 `( ` q - </div>
复制代码CSS代码内容如下: - .toggle {3 _6 r9 G& j! U0 C7 r
- margin: 0 auto;
! C1 j: _0 T/ p. N - max-width: 400px;
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- .toggle-label {
9 @- k) y3 M/ B6 e1 f - font-size: 16px;
; B: ~; \% _" q; f' Z! k - background: #fff;4 q7 G5 J( [: K
- padding: 1em;; i- S: J% C" O5 @
- cursor: pointer;
, x4 ~: ?. g* K - display: block;
8 F! U& h; w" [' q+ p: @ - margin: 0 auto 1em;
" S6 M- k% |: ~- e$ K) S! q. k - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);6 z6 ]& S7 D t- u4 ~/ `
- border-radius: 4px;
+ @) E1 q6 _% i - }' @8 K0 `) E5 q+ J% T
- .toggle-label:after {4 I# C1 m, P C3 I. N2 R- N) Q
- color: #ED3E44;
2 O$ {2 V2 _% d9 ~+ K7 V3 S - content: "+";; Y* L2 ` j* \, V8 S
- float: right;
+ W5 E2 [1 M: G5 w; N* K, }1 I$ p7 D - font-weight: bold;
. E! _4 e" u! h! T9 g; {( | - }
$ g4 [2 l- u+ D# H( D( l/ m, m - .toggle-content {
3 F% ]$ h2 I# R+ \, S: ~6 e - color: #B0B3C2;
+ E( i( _! r% u - font-family: monospace;9 y; u/ K% {, Z# r4 N: M
- font-size: 16px;
% T6 z* P! r1 }+ ?+ U9 _ - margin-bottom: 1.5em;
. i: Q3 N7 d( \1 i - padding: 1em;
+ A0 F9 @: Q1 P ~ - }
4 Y5 p/ p9 r U: c! u' d4 M - .toggle-input {- k. F) E% S5 s) d( T4 S
- display: none;, c1 |7 ~: L6 G9 Y( Z
- }
1 ~# R; t( P7 ` - .toggle-input:not(checked) ~ .toggle-content {
, C2 f! |1 |4 ^! ^5 b$ f0 C - display: none;' ~+ Z' D2 R/ P8 j
- }
9 P2 n/ ~5 N" C( Z% v3 u - .toggle-input:checked ~ .toggle-content {
1 _, k: j; K: R3 ^; V - display: block;9 B0 G, }' |0 b9 _
- }. g# k; d" b5 ]8 j9 {
- .toggle-input:checked ~ .toggle-label:after {0 c4 ?6 U3 F) t9 w% @; D" r
- content: "-";
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复制代码 + m0 B. U# z4 r% l A E. `" o( S
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