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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!"> Z; X$ G4 w: {1 e' ^4 E5 H) k
- Label for your tooltip
. ? V8 |; d+ v0 W- m4 {6 `! N - </span>
复制代码CSS代码: - .tooltip-toggle {
) C0 x8 F/ |7 S B - cursor: pointer;% r# g) J6 V' V2 g; X8 }. d
- position: relative;
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; L$ Y' `0 W8 ^ - .tooltip-toggle svg {1 l6 A, z% y: T& U
- height: 18px;
) x$ h, p4 p! F1 `) s6 `: T - width: 18px;6 y% \" f$ ?: z
- padding-right: 0.5rem;
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- .tooltip-toggle::before {, a: V% ~( |; e6 b3 D8 D0 F$ f
- position: absolute;+ l) v: i- C; O
- top: -80px;
3 P7 N% P! D8 g9 i* b - left: -80px;7 ^, ]; P6 y" E
- background-color: #2B222A;
/ C9 ~" y6 E; } - border-radius: 5px;
3 r, U7 z2 w' Q9 H5 F' O) \ - color: #fff;
% s2 d: F8 a& s- s; @ Q - content: attr(data-tooltip);
0 _7 V& P8 C# l/ b - padding: 1rem;- j9 ?6 o5 d0 E2 n# x
- text-transform: none;! R$ ~! I+ ], g u3 A' N* G! F! P4 w
- -webkit-transition: all 0.5s ease; y6 q1 ]1 Z/ ^" h3 u
- transition: all 0.5s ease;
& Y5 @3 f' l% H) z+ h - width: 160px;
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* v4 D5 p; U! B3 d - .tooltip-toggle::after {. X, A! o; D& Q
- position: absolute;. c/ R% r `1 V# P7 K [
- top: -12px;
7 p* c: U. f: H d - left: 9px;0 N8 G& X" i4 |- ~* G
- border-left: 5px solid transparent;
% f" f0 E$ a7 R7 L* D9 h3 r - border-right: 5px solid transparent;
4 e7 V9 d' P5 ~" u% { - border-top: 5px solid #2B222A;% }5 I6 c7 z$ A$ N% e
- content: " ";# X! O* ^8 E6 f/ m
- font-size: 0;
. y$ G% z. f6 G3 z8 n$ G - line-height: 0;9 A1 G) |6 j$ {1 h
- margin-left: -5px;
* I( S3 [6 _8 g7 ]. | - width: 0;
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- .tooltip-toggle::before, .tooltip-toggle::after {% V6 O( x* L2 I$ m/ p- M0 y
- color: #efefef;
5 m/ C7 {' k" [$ m: U; f - font-family: monospace;. v5 y4 u% S: ]6 s5 H& w x
- font-size: 16px;4 Q3 c6 a7 s: B0 a# |1 T+ F
- opacity: 0;" R% Z7 k. ` ~. E) m
- pointer-events: none;9 C1 [( }7 L: ]- J
- text-align: center;$ o3 R' ]9 z% d
- }
% W& s7 ]) A! A - .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {
7 i" {3 C, h/ K9 _ - opacity: 1;! o# ~4 @/ u3 C
- -webkit-transition: all 0.75s ease;6 Q- e+ y. R$ D9 p# x9 C# g3 y
- 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">6 r7 B! v0 q ~4 w% [
- <ul class="nav-items">, q5 g- z+ q- E
- <!-- Navigation -->
5 r, c# B1 I! S( v. Q - <li class="nav-item"><a href="#">Home</a></li>
% j7 J! Y2 t& s( k9 i - <li class="nav-item"><a href="#">About</a></li>% l' \6 Q5 G5 E. Q. N" o6 j
- <li class="nav-item"><a href="#">Contact</a></li>( ]! D4 z) h6 w; Z: `: [8 [
- <!-- Dropdown menu -->
( t0 O Z) g/ P6 n T9 O - <li class="nav-item nav-item-dropdown">
* K) j1 o7 ~; k t* } - <a class="dropdown-trigger" href="#">Settings</a>! Q1 v- t. v4 j$ h2 H" ^& A; R0 Q
- <ul class="dropdown-menu">6 J5 R$ J8 L0 [9 K$ y, D
- <li class="dropdown-menu-item">1 P: K" C* |7 Y3 ^: E) w5 p
- <a href="#">Dropdown Item 1</a>
- \2 H) D* D( R! i0 h! K - </li>
! N* L' V. y7 {" i7 b9 s - <li class="dropdown-menu-item">/ X6 s' [9 G* N/ p |% |
- <a href="#">Dropdown Item 2</a>2 C& D! p6 n. N/ g+ K" G* R7 c
- </li>. W4 o6 L& m9 Q. c' O, B
- <li class="dropdown-menu-item">
7 y' T6 A% q5 |: m1 M8 A - <a href="#">Dropdown Item 3</a>
+ C' u! s, y/ k2 s* k/ G - </li>
( a" h( i# `$ }- A - </ul>
& s! } p! L. T7 Q - </li>2 M/ Y# k* r$ x
- </ul>' K2 J( S/ O( ?0 w
- </div>
复制代码对应的CSS代码如下: - .nav-container {! h# o" j" R$ h
- background-color: #fff;% e* U6 x% ]& o- A' j
- border-radius: 4px;
5 x% o+ v$ }& w; V2 X4 z" E) l - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
5 f' c8 ~9 I5 a9 `* |4 \ - padding: 1em;
" x" o: z3 Z/ ?0 X - border: 1px solid #eee;+ n* Y# f) V, U9 D' z2 v$ b
- display: block;6 w' \& @+ Z# x7 D
- max-width: 400px; P) W7 R. J* x
- margin: 0 auto;
$ C; k5 X, Z* u& L8 H1 E( E) O - text-align: center;
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- ul,6 [1 S% o5 Y* Q) n
- li {8 E- w5 c% W2 o
- list-style: none;- [( V8 W5 {9 S+ u
- -webkit-padding-start: 0;5 v3 x: u. ~+ h
- }
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- text-decoration: none;
- f9 f8 C; u9 V. w - color: #ED3E44;
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3 ]% x5 o$ {' Q( F/ {, ^ - .nav-item {* m' q$ g3 k0 R; A
- padding: 1em;, r/ e, `! |8 @% B/ R6 z6 i
- display: inline;
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- .nav-item-dropdown {/ {" z% j+ y; M- c; p( @. f
- position: relative;
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8 X; y2 Q z5 A7 w7 ~* I5 C) Q! s - .nav-item-dropdown:hover > .dropdown-menu {$ O0 l, ]4 Q7 H8 Q8 {' c
- display: block;7 s$ O9 [5 Z" G# X# B
- opacity: 1;
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' H9 E: u; }' }7 j - .dropdown-trigger {9 \1 o* m) I- T1 A, s W
- position: relative;
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- .dropdown-trigger:focus + .dropdown-menu {4 N( h/ B0 m) T# d7 ~
- display: block;1 w4 x$ ~. I& |' H$ {3 k% q
- opacity: 1;
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- .dropdown-trigger::after {" g2 g: D3 s0 N. o' W6 K
- content: "›";; k$ A! J5 Y! k4 O
- position: absolute;" j' J e' e! O4 O' |% {
- color: #ED3E44;/ K5 A) L3 b. N9 d& n5 t* R; {
- font-size: 24px;/ C7 G* C/ ~ `9 k! N( x, L
- font-weight: bold;, u' v# l5 q3 r
- -webkit-transform: rotate(90deg);
3 _+ e) h5 C$ O( _7 l- O - transform: rotate(90deg);
6 `! j1 m) x0 U6 y+ L4 b - top: -5px;7 O( K/ r4 M$ ^* Z7 }3 R. s E
- right: -15px;. X( @2 t3 m# d0 i b
- }/ [) ?/ V8 h$ a
- .dropdown-menu {7 S3 K% r) C J. e
- background-color: #ED3E44;
% b+ P+ w U7 a S1 D - display: inline-block;
: n9 ?0 q( b1 C - text-align: right;# h7 g* t9 E# F# ?+ g7 }3 T6 ^0 E
- position: absolute;4 M+ I( I8 O9 _. I& h& w8 U
- top: 2.5rem;
, G e% D) `$ ~2 q - right: -10px;
2 O2 K( H6 z! o/ o - display: none;1 j/ y: b2 ~) K S8 x0 f6 O
- opacity: 0;
; S( ^" \% }& m5 F+ Y - -webkit-transition: opacity 0.5s ease;$ |1 T: }5 u, `' q$ I: |( x
- transition: opacity 0.5s ease;
& V. h# O7 y: P: x" v - width: 160px;
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- .dropdown-menu a {, R/ s. X4 U+ T- B9 X$ y! H
- color: #fff;9 f' W- ?# q' I- p3 O) h
- }& [2 G$ k5 ^) U$ t; X U" ]
- .dropdown-menu-item {
# U0 E7 p' I) S% G! p- W- z - cursor: pointer;9 n \7 ~" W0 h, P
- padding: 1em;
4 k9 L- @1 f" Y; n* _3 Y1 l - text-align: center;1 Z! ]7 k8 r" y* M. J5 {
- }
! }: v9 D: _9 W2 _/ p: ]/ C - .dropdown-menu-item:hover {
B0 q: o7 S, y - background-color: #eb272d;2 K1 Z; w3 M- K& }# e X
- }
复制代码 - L9 U$ C& G% U1 z2 ]. Y# u1 ^
可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">
6 P# X6 y& n& ^/ i# v( F! L: d - <!-- Checkbox toggle -->
; n/ x/ G4 ]: {: I) w - <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">9 w3 `7 x& @5 o8 j
- <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label># }6 @0 d. g. A" w* s( g6 N; X J7 C k
- <!-- Content to toggle from www.mfbuluo.com-->2 s! F- K+ B$ A/ [# X
- <div role="toggle" class="toggle-content">
4 Y B/ f& D9 `1 U" w. b - BA-NA-NA-NA!
- u% f% s) K, r9 k1 Z - </div>; W y: F8 o) s$ A3 x$ Q
- </div>
复制代码CSS代码内容如下: - .toggle {: \ v$ G- s# `* x6 w
- margin: 0 auto;6 I- x8 ?3 `8 s4 A3 F/ e* L; i5 j2 k
- max-width: 400px;
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; s# {7 ]& V) j! o, V - .toggle-label {, V7 P7 s; R- i0 L6 L
- font-size: 16px;
( E8 b/ n, B& k& o6 N - background: #fff;
2 A2 X; L L- q- v- Q# B9 M n - padding: 1em;8 z! J* Q! I* v# `6 z2 v) I/ ^% Q
- cursor: pointer;( e1 N4 V. x6 L' z
- display: block;6 Y( e2 ~2 J; [1 Z) n
- margin: 0 auto 1em;9 c9 s7 o9 x; G t% `+ X
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);8 R% G4 N% K7 ?2 s4 O9 f$ ^% n
- border-radius: 4px;9 o2 k0 j% Y, v% [2 ^1 C8 {7 m8 Z
- }
% @0 L, P0 {5 t8 S c5 \ - .toggle-label:after {9 w- K1 s* t6 j
- color: #ED3E44;: @1 E" p! |5 `9 ~' h) f' V
- content: "+";! E" K* `4 o. ?* |4 H# m" x$ Y
- float: right;
: L M7 L) \: }7 w2 k+ } - font-weight: bold;
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- .toggle-content {! J: d6 t! L) f% `
- color: #B0B3C2;
& S1 A: q- Z7 w0 \) H8 t - font-family: monospace;5 s$ P# R* Y- E" S6 N# |# I2 c
- font-size: 16px;- L8 {/ E) m0 f, S
- margin-bottom: 1.5em;& e8 e. }1 C. {3 J+ ^5 A0 }
- padding: 1em;
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- .toggle-input {& A* w1 q, m" w, p; E- @4 W+ R' ~
- display: none;
" I% D& f4 _* k, R - }
) u7 [+ J% j" A7 H7 L - .toggle-input:not(checked) ~ .toggle-content {( R' m0 @2 y& p/ M& I9 i
- display: none;
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- .toggle-input:checked ~ .toggle-content {
; p- c" Q2 o s0 U! c/ E; w i* a - display: block;9 x) {- J0 ?! B6 E4 T, V
- }3 D" K/ N2 _ K, E8 |
- .toggle-input:checked ~ .toggle-label:after {5 a6 E" D- D) T$ Y" }1 ?* k
- content: "-";9 o- `7 |) Z, S1 j; K% U% i f5 J5 ^
- }
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