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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!">" M0 F- n; X( S; j# i5 N
- Label for your tooltip) m$ i4 @2 \1 q. K R! t( N# T6 m# x
- </span>
复制代码CSS代码: - .tooltip-toggle {9 ]1 A- R$ D' y2 A J! x
- cursor: pointer;% Y8 P5 B- V& G
- position: relative;
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$ J3 n+ h' K# V1 p2 E2 V* ~ - .tooltip-toggle svg {/ `0 a: E4 M7 R9 \
- height: 18px;: `4 o5 m8 [0 l, V9 L6 {1 F
- width: 18px;
$ B- V( C9 T4 L+ O$ W% a& g* m - padding-right: 0.5rem;, n" r% v$ |# G3 w D$ m! z
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- .tooltip-toggle::before {6 d3 l( G* S( z, p* O1 g
- position: absolute;. G* z0 B, h) O$ \1 u
- top: -80px;
+ \4 i( k- h# B) G0 v+ e( H - left: -80px;" q! a+ l! M5 F1 Q
- background-color: #2B222A;% r' n. i6 i% R, c3 D/ R; x
- border-radius: 5px;( R3 j* L W: y9 l5 l& m( P. k9 j! F
- color: #fff;0 j+ R2 A0 w& G% p* y6 K: v
- content: attr(data-tooltip);( Q) A2 e4 v! M' }
- padding: 1rem;
, W9 p- j b) K7 h% x - text-transform: none;
2 d1 M8 M) d1 h0 C - -webkit-transition: all 0.5s ease;
. K- H2 P5 z% `, D F9 c/ M: A - transition: all 0.5s ease;2 S8 ~& t3 v0 D) `+ P3 I% e9 V
- width: 160px;
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; S3 y# f# W! [: Z - .tooltip-toggle::after {( P( ~* r& S! D0 e( ~" w, [2 `
- position: absolute;1 M2 D, j! b! Z. b( c
- top: -12px;0 z( L0 ~% p% F# m1 V, j$ ]
- left: 9px;, [$ ]' _0 A4 u' M6 c. r
- border-left: 5px solid transparent;/ P# @2 F2 l( i1 C+ _% [( c* E( I
- border-right: 5px solid transparent;# A! S0 k- A5 j$ M
- border-top: 5px solid #2B222A;' j4 {1 h Q3 }2 n9 C
- content: " ";
, S2 e0 ^+ l- s5 e. Q- J& L( \* f - font-size: 0;% I; B& w5 }5 l t# G
- line-height: 0;
% ]; u: b M: C. W/ e! y9 ~% M - margin-left: -5px;
" [2 h3 T& ~- Q - width: 0;
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- .tooltip-toggle::before, .tooltip-toggle::after {
# K: Q3 b$ A% [9 J$ n' |3 _ - color: #efefef;8 j! N) U7 I/ ?1 i
- font-family: monospace;: l$ }8 X* E9 Q% A1 ?" T
- font-size: 16px;
" g" E( B4 {( B/ Q. U - opacity: 0;
1 L1 {# m1 l- a9 G& a6 P# f - pointer-events: none;
7 }& F) w; K' G% _, t: u - text-align: center;
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- .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {- A4 s7 L' K/ a# k' P% w; P4 B9 x
- opacity: 1;
' |$ c; ^* I8 x6 S3 D - -webkit-transition: all 0.75s ease;- R5 m2 \* [3 O6 F. Q) P2 s& n, _
- 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">
; ^2 Z/ W+ h+ o4 J0 V - <ul class="nav-items">; z$ S/ Q; m7 ` o+ E; [0 c# k' g
- <!-- Navigation -->
9 L- a0 ?( P+ l: N6 _# h. D - <li class="nav-item"><a href="#">Home</a></li>/ ^% m% h+ f% J r
- <li class="nav-item"><a href="#">About</a></li>" g# k" J2 a0 `5 j }! A4 o
- <li class="nav-item"><a href="#">Contact</a></li>4 T8 O4 p9 W0 E7 ?# [/ Q
- <!-- Dropdown menu -->
4 N* U! m" `" o9 P9 z - <li class="nav-item nav-item-dropdown">
4 m9 W7 d% e4 W3 K. R% H w - <a class="dropdown-trigger" href="#">Settings</a>
/ M. j' K/ a, q; E - <ul class="dropdown-menu">
) C J2 ~: M$ W! s! S+ s* v- h( v - <li class="dropdown-menu-item">. V% ~1 @; W, X9 o9 U6 P8 |1 E. a
- <a href="#">Dropdown Item 1</a>3 \. e5 U$ |2 Y# Y) N# T
- </li>, r$ z& I8 Z% S% L1 l, q$ ]
- <li class="dropdown-menu-item">$ z9 g2 ]; S3 ]" f, j0 P2 h
- <a href="#">Dropdown Item 2</a>
, T0 v% e6 N7 e - </li>
. \) R8 P" E6 ^1 y- C! w! U) ~ - <li class="dropdown-menu-item">
7 ~- [; g ], w) }4 ]! B' O - <a href="#">Dropdown Item 3</a> k1 h2 j# r% t
- </li>
$ [2 q9 E2 H5 F# t5 C- o o& y! a - </ul>
+ Q/ ] [8 ~8 }9 ^/ S, s: {1 o - </li>! G0 \) q, T8 c5 O2 f, L
- </ul>
6 }/ L @" D" q @, K - </div>
复制代码对应的CSS代码如下: - .nav-container {
$ ?" h4 V$ s5 ]+ R5 W - background-color: #fff;. K* _/ @$ }; Y" ~1 F9 P% e) P
- border-radius: 4px;
O/ R" ^* ~) S5 u1 \0 B - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);2 C! S+ z. S1 g) a3 A
- padding: 1em;3 _9 i) P1 I# x# ^/ ^3 [& z! c! E
- border: 1px solid #eee;
6 r0 h* ^( W; R" Q2 y$ c - display: block;' k1 Q# C9 ^5 {! S/ t% C% _9 K( T
- max-width: 400px;; i' J3 t0 J+ @% T* m
- margin: 0 auto;$ ]# d8 Y# Z+ W1 R; z; i1 k0 p
- text-align: center; }& A e: x" s5 I d
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- ul,, D' W0 m2 x. X( M
- li {
% q$ g$ X9 T" m0 | - list-style: none;- `* w* M9 Q5 v$ b' k/ e& h
- -webkit-padding-start: 0;
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! }. v) i* f8 A, Z; ^, j# m - a {
" e% r$ y. R; U - text-decoration: none;
5 Y+ U2 Z, \( O* i" F - color: #ED3E44;3 c5 B1 M* ?: i# V7 u5 ^
- }
$ W ]% U& _7 A - .nav-item {/ L1 ]! ]* t: d8 F3 K) I! b0 O
- padding: 1em;
5 H7 J+ |; [. X9 x- U - display: inline;
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1 ~$ N+ J( Y1 R1 o7 r7 j - .nav-item-dropdown {2 c- Q% G& e( k7 }% C0 v
- position: relative;
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- .nav-item-dropdown:hover > .dropdown-menu {0 C' |' o, C3 Q1 A6 J4 p/ S# w# B
- display: block; a) e. F) K. z: I
- opacity: 1;
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- .dropdown-trigger {9 R2 s4 D7 m6 D9 p, i
- position: relative;8 Y' [& r) j0 d
- }) W0 ~3 u* A8 S( a$ p E" j
- .dropdown-trigger:focus + .dropdown-menu {' V8 H- S) B" i% F0 y4 r3 x$ a
- display: block;
) C4 e8 Y4 g& F - opacity: 1;
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- .dropdown-trigger::after {) x/ {$ H) J+ ]1 ~( `- C V
- content: "›";
X% \* T: h% r1 h. j6 l - position: absolute;$ O6 E: P6 R7 w% J. }7 l
- color: #ED3E44;
! R; X) {, v0 V9 I# u - font-size: 24px;, M0 d& V" \3 O4 T% c% F) _
- font-weight: bold;
% Q! `# V" F& M - -webkit-transform: rotate(90deg);
4 b8 W4 v7 E; y& U, W+ m - transform: rotate(90deg);
% c* j! F. T' l - top: -5px;# t$ W/ @! ?7 O7 r, X3 @4 b& `
- right: -15px;
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# L/ S: K7 K% v3 H, S8 G - .dropdown-menu {
3 D5 x' s' \7 t, E" R - background-color: #ED3E44;8 n K. g3 \0 b
- display: inline-block;
5 C8 s' T& @: g# k. r; K) s - text-align: right;7 y0 S- Q+ K+ n! Q- V4 N
- position: absolute;
" W0 x/ c/ b6 o, u - top: 2.5rem;5 d. l* A5 H2 y
- right: -10px;+ c4 W: K6 G' Q: _
- display: none;
# Z& @$ t1 R* w7 o: o! _# x! O - opacity: 0;- n$ d f/ Y' M
- -webkit-transition: opacity 0.5s ease;
- V; ^) b: u+ g - transition: opacity 0.5s ease; e. c% k3 E) e5 H6 m- j3 ~3 H
- width: 160px;
! \0 f: `& l7 N& G4 r) i3 e - }
, _8 \. ?1 y& F4 q( h) N, Q - .dropdown-menu a {
" W( w9 k, m, _7 Z - color: #fff;
) q. x7 O5 P u5 T7 h5 l - }
+ H9 w+ O8 _' k/ J) X - .dropdown-menu-item {
}( @) o9 T! {" ]1 }' l3 q1 C t - cursor: pointer;
2 a- } @- l7 Z) \' O2 y0 a - padding: 1em;
5 r; b$ k C9 C5 C, ^ - text-align: center;) }* H2 L, u$ t8 Q
- }
: |# N& Q: c% `1 m- ]2 b- n8 o - .dropdown-menu-item:hover {
/ P; e# ?/ ^( M$ A$ F; e! D& R - background-color: #eb272d;3 O+ [* s' K6 U
- }
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; A7 [* E0 w( \: N: `可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">5 Q+ o* i% d) Z! a# b5 d2 n: `
- <!-- Checkbox toggle -->
4 r: ]& M2 T8 F8 F0 c4 }0 V+ e - <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">1 |4 R0 V7 T( X( n; y
- <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>, A8 t" ?6 I9 f4 W1 ]' f: R; _
- <!-- Content to toggle from www.mfbuluo.com-->
& n3 m, I+ {: h! S - <div role="toggle" class="toggle-content">$ o- N* s! u! t- W( i
- BA-NA-NA-NA!' X' @# |- ]5 ^7 Z" S' o! E
- </div>
3 E$ c: l7 J/ B( E - </div>
复制代码CSS代码内容如下: - .toggle {
- a" s5 z+ @6 o* h - margin: 0 auto;! l7 m' {7 O. }* P! z5 g. v$ v7 e
- max-width: 400px;
2 Z) ^! F' m0 Y - }
8 b$ w2 P; Z1 a' G# L/ z - .toggle-label {9 I% z2 y% s' w* m( u7 `, H
- font-size: 16px;* O* m" r4 \/ t! d5 `# Y. R) {
- background: #fff;- z3 N( T# S2 j$ \$ J; O
- padding: 1em;
s3 }3 A9 M/ _ - cursor: pointer;
6 |% n# `) M: D - display: block;
3 i' q1 h" F+ x z& t; v - margin: 0 auto 1em;; S5 o$ x C2 r( p$ H) l! P# Y
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);0 q. ~: ?* o, O& w8 \& Q
- border-radius: 4px;0 b4 H; k8 k( L
- }/ o* i3 `9 U Z
- .toggle-label:after {( ]7 j3 t6 y: L% o
- color: #ED3E44;
/ h3 ~( G4 ]3 l4 ~ - content: "+";
: Y) o+ y# N6 i, t; L' M- Z - float: right;
8 [; c, a5 y- V4 J# {2 J - font-weight: bold;3 |' o9 s3 S& C7 h+ J U+ {
- }9 Y( I# m# k0 k. w9 x
- .toggle-content {
j! F! F U' ^1 U& V4 M - color: #B0B3C2;' _6 K8 D" x* O' f5 |0 p
- font-family: monospace;
5 l% l1 l: \* K0 ~# g - font-size: 16px;
; A0 F- K" f# r' ^" u: e/ h* r - margin-bottom: 1.5em;
" C$ { @/ ^. @5 E4 [( ?' B& l - padding: 1em;
5 T2 `, g* R1 |; {( E; D - }
! n0 ~$ t$ F: {9 k# j - .toggle-input {" E8 x |2 Y* b- K4 K- a& T
- display: none;
2 ]6 @: R0 _- e" H% e - }( _! F6 j, I5 h" y! U6 Z7 T" t
- .toggle-input:not(checked) ~ .toggle-content {8 ^* y4 p+ n6 n
- display: none;0 G3 v" ~7 Z( g7 K; B5 B
- }
3 U/ u# J) s ?" W, ?" { - .toggle-input:checked ~ .toggle-content {
6 y w i4 \) F @ T3 W. Z - display: block;
* L1 I* B, D5 r- S: D Y. X - }& y [3 j- r) E, s( R% e
- .toggle-input:checked ~ .toggle-label:after { O# v) K3 H& h/ v
- content: "-";" d. `$ f0 H/ f
- }
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