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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!">+ Q( X5 d7 E# b7 W6 t/ P
- Label for your tooltip
7 B |$ h; D& V - </span>
复制代码CSS代码: - .tooltip-toggle {
- U# O- y# a. k. D, }. A - cursor: pointer;* H+ {* E/ j! J/ Q3 C/ I: l8 X
- position: relative;
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/ ^" N- y( ?0 C4 ] - .tooltip-toggle svg {
7 x. i- D; `- L# |7 r* Z1 |( k - height: 18px;$ a( w9 y8 q+ I& s7 z+ S
- width: 18px;
7 Q+ Z# N' K& x - padding-right: 0.5rem;1 w/ a) ^3 g- P, }. f2 C4 P
- }
6 z5 D1 r9 ~) ~. H1 H - .tooltip-toggle::before {3 D. D: [9 s4 `5 M* z3 C
- position: absolute;2 C$ q2 D& g: f3 ^2 E& z' B0 L6 N
- top: -80px;9 R( O! P- P, k9 N
- left: -80px;4 L! z( Q- l1 I c. R; [
- background-color: #2B222A;
% l, c4 u9 b4 p2 A/ X$ l4 G - border-radius: 5px; t! x. }9 J+ R" T5 u
- color: #fff;- G! M+ X: \* h5 C s
- content: attr(data-tooltip);. m6 O" z, P9 l' @+ C# `; t: E Y
- padding: 1rem;
9 I& I) [/ H* O2 a$ M, B, _% t, H - text-transform: none;- Z$ p- Z& u. W# K
- -webkit-transition: all 0.5s ease;# G0 y1 S! P5 f4 `2 J
- transition: all 0.5s ease;. b" n- ~; T0 ^3 q% ^* ~6 F
- width: 160px;
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/ f% @" U% M, Q' Z# J% v2 G - .tooltip-toggle::after {
3 V- ^% E) E% B+ D5 U) p# j. v5 C - position: absolute;
7 s5 u8 x2 @$ h# L+ U3 `7 ] - top: -12px;
" X+ o8 g2 r! K u9 W; h* ~# G - left: 9px;/ [ y! C! R3 ]0 N0 h; j
- border-left: 5px solid transparent;
0 B4 M0 i1 F$ u2 Q3 | - border-right: 5px solid transparent; G; `' [$ |" @
- border-top: 5px solid #2B222A;
+ A& Y1 D$ ^* H Q" A5 l1 X9 f - content: " ";
$ V7 [& e U3 C- d( _ - font-size: 0;
% u8 q, ]9 |& H9 m: G% g - line-height: 0;
1 C$ ~- G& A8 Y% i5 i! c+ z1 n1 {0 v& F - margin-left: -5px;7 K- t1 L: |. j- q i+ P
- width: 0;" f% s# C) ^! T, W) E
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- .tooltip-toggle::before, .tooltip-toggle::after {: o+ g4 b9 ]( m
- color: #efefef;
2 _: [7 ~+ k% `# W - font-family: monospace;
# S" p% p }0 r) C - font-size: 16px;. a e3 P# V- s; x
- opacity: 0;0 {$ x6 V" c/ Q3 v% m% @6 D
- pointer-events: none;
" x! B* u5 |) X: @: { - text-align: center;
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& w A" Q `5 m - .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {; W; Z& L! A! O! z
- opacity: 1;
9 `. q" @! B9 a2 G: q9 q - -webkit-transition: all 0.75s ease;% `) v8 Q3 M& D
- transition: all 0.75s ease;/ c' K, {, Q5 c2 w- I
- }
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">
1 A% {% `2 l1 O( M" T" R - <ul class="nav-items">
- `' ] t1 v5 U8 c6 i k - <!-- Navigation -->
1 }4 [! j* q: q - <li class="nav-item"><a href="#">Home</a></li>
$ Y" L: P1 k+ e$ h# E& a - <li class="nav-item"><a href="#">About</a></li>
( r" ?$ w A, x) W6 K - <li class="nav-item"><a href="#">Contact</a></li>4 c7 p9 G% k" g& ~& w7 L3 |7 j `
- <!-- Dropdown menu -->
! e5 @- I4 W7 z - <li class="nav-item nav-item-dropdown">& i* u3 Y5 ^9 `! ?3 ^0 s
- <a class="dropdown-trigger" href="#">Settings</a>9 [* l( o6 O6 q8 a& Y0 z0 S2 L
- <ul class="dropdown-menu">
9 c* K% e3 h$ b, |1 ^2 O - <li class="dropdown-menu-item">& |9 c, o4 w/ O7 G6 u J: N0 ]6 i
- <a href="#">Dropdown Item 1</a>
0 X, D1 b% J5 @; R( E7 Q) H8 z - </li>6 v& W# q7 O8 a I, P+ u( P9 Q$ f
- <li class="dropdown-menu-item">- s9 U8 [/ O1 n w( p
- <a href="#">Dropdown Item 2</a> J9 A- n' Q3 w! h( V! ]- \
- </li>" X. V( q% Y1 ^( O
- <li class="dropdown-menu-item">3 f& y% a0 }$ b9 G' }& I0 M9 g
- <a href="#">Dropdown Item 3</a>% j, ^) L( x2 D
- </li>
' Y- e2 l5 z% h: F2 z, H - </ul>+ r; C, M% `; G7 @: y0 [; c
- </li>
1 g- U3 r! e& U/ _% H: l( u5 [% R - </ul># |; p4 q$ C% ?) f, [% K$ ?
- </div>
复制代码对应的CSS代码如下: - .nav-container {
6 g/ Q3 O/ I* F0 {6 V/ F: t - background-color: #fff;4 ^( K3 \# g, T& P. n- z* }0 m
- border-radius: 4px;
+ Z- E; Z% ], r* d( W1 J. ~7 B - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
9 g L! O( d9 h2 ^2 S7 } - padding: 1em;
1 K/ Q6 @ \. o) H - border: 1px solid #eee;
I. u0 g. T1 X# A7 e; ^ - display: block; H% r0 b) q+ L& ~4 G8 d4 @
- max-width: 400px;9 o: u y# g+ D
- margin: 0 auto;" Y2 }+ W* b9 d
- text-align: center;
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- li {
4 R" R( f9 L4 Y' P: {( ?' r9 z - list-style: none;
8 J1 {6 K4 a+ e: k- R/ t. B - -webkit-padding-start: 0;
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- a {
* E- i1 m x9 e- z - text-decoration: none;
- V0 L1 c7 y# U6 a/ } - color: #ED3E44;
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0 X# D; T. B& Y8 X - .nav-item {
. C3 C0 I7 d$ G* B( }$ a2 w - padding: 1em;
; }; {! {+ b8 J$ r7 l# |$ s0 Q" b - display: inline; q9 L9 _/ _+ k( `
- }
: n- `& s5 }+ t3 g0 V R1 } - .nav-item-dropdown {$ R4 J6 U# j( g- L" }: [8 N
- position: relative;+ \! m; c1 _/ ~# I9 q% }! v8 j
- }
, _4 F; A% Z# U; M1 S: x" E0 R1 j - .nav-item-dropdown:hover > .dropdown-menu {
' E$ {3 e+ z) U* @ - display: block;
9 ?$ k# e$ B, \ - opacity: 1;
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: a# K0 E( N v1 ~- t- \ - .dropdown-trigger {
$ ?2 h) ?# x h5 G: U; V - position: relative;
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- .dropdown-trigger:focus + .dropdown-menu {
' j! e( ]* o' b+ R1 H, B# K: i - display: block;' {1 X4 r4 o" j
- opacity: 1;& M7 |8 r* @* Q9 V3 ?/ Y/ ~2 I6 j
- }
0 Y2 R u, w/ ]% F8 O6 u+ e - .dropdown-trigger::after {
H4 P5 G7 s2 |: e' R& h. v - content: "›";
3 K6 a5 Q+ ~+ P1 ]6 b# Q) R - position: absolute;
1 D/ i% k5 F/ A - color: #ED3E44;
4 [! b( x1 V% S7 q - font-size: 24px;5 X$ u% c: R" x: F+ T
- font-weight: bold;
' ~& C" S( B9 c - -webkit-transform: rotate(90deg);, y9 W1 Z" J6 }- K- \( S
- transform: rotate(90deg); _4 A$ M1 s9 C$ J) d
- top: -5px;8 p( A) S# g7 d( B: m0 s$ y
- right: -15px;
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- .dropdown-menu {5 ^$ e5 @9 W: x$ o3 R' r, D
- background-color: #ED3E44;
& `6 D+ `8 [& ]5 {. x( S" [ - display: inline-block;
) q8 }1 k% c; d+ [4 @3 P- q. q - text-align: right;+ F. H. N ?3 r- M( `" y4 o; Y0 o
- position: absolute;
: b% o# J- {, R: X - top: 2.5rem;/ G2 D& r% T2 H) R {% d, y
- right: -10px;% S% l# G% [5 @ s5 T: H; n+ p
- display: none;5 @' [) d# L8 U) G4 B- D
- opacity: 0;- G$ z& M& o0 u S
- -webkit-transition: opacity 0.5s ease;
6 ?) j! G) y* Q, _3 b$ K! X - transition: opacity 0.5s ease;
$ {: d$ w( _2 q9 a' g4 z - width: 160px;7 v; p6 A2 M9 T0 U* s
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- .dropdown-menu a {
7 b2 y1 \! A7 l- R4 X3 f; U - color: #fff;3 ~/ F$ h, k7 j* f( z
- } M4 }4 f5 E; E( y) j# U* @2 ], y
- .dropdown-menu-item {
) Y! _% @) l; F6 u/ Q8 d, { - cursor: pointer;7 z( l4 g! z N2 M: c
- padding: 1em;
% d5 J0 h' R4 o$ q1 k( w1 O3 { - text-align: center;- \2 I! ^3 H4 s9 e) u4 T, P9 a
- }) v5 ?; W% y, B; j1 }, [
- .dropdown-menu-item:hover {8 d6 g; Y6 j. S
- background-color: #eb272d;: O3 H/ \% h+ Y9 x9 m2 V+ @
- }
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- f5 P3 t0 w* i# G可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">
# M( E8 N0 U% D - <!-- Checkbox toggle -->
3 z) K0 I, C# s; W: {* I3 g - <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">
! k V' V. e* j - <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>
4 u0 y) i+ O: c/ y4 q" ~ - <!-- Content to toggle from www.mfbuluo.com-->
+ ], V- Q2 N! ^/ k& R5 \& i+ z - <div role="toggle" class="toggle-content">
, Q9 L& q0 s! H) i' j - BA-NA-NA-NA!
4 m5 U; o5 @3 [, r* Z' ^3 b - </div>. s* F) s( A3 z T8 p
- </div>
复制代码CSS代码内容如下: - .toggle {7 N- J% Q. ^& _ X, {6 J
- margin: 0 auto;
, k. W. r6 f0 q$ }9 ^4 ? - max-width: 400px;
) P% X7 n/ C( J% i9 y+ h - }
- a& I! S6 H# e V - .toggle-label {9 W+ }% K9 r5 o$ s- }* K; Y# T0 I
- font-size: 16px;2 j: D/ N$ e& {6 u N' A! C
- background: #fff;
, O- R, q, s- P8 ?1 V2 g5 a - padding: 1em;3 ?" x, j0 b9 Y6 h
- cursor: pointer;3 V" }8 ^6 w0 o! ]& h
- display: block;7 K/ ^1 K; e, x) i/ W" L
- margin: 0 auto 1em;
$ N C6 X; X3 ?% M. w, t - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);5 d/ }4 l3 {/ k3 E
- border-radius: 4px;# q. [9 U7 Y6 j7 O. R
- }$ s7 J, L3 r( H( j" o8 v/ b) {
- .toggle-label:after {+ |3 Z- Z0 ^( }* @! }/ K" ?
- color: #ED3E44;" y$ |: N- ?5 C! s/ c6 K
- content: "+";' l' ?$ c! t* o. g' {: {
- float: right;' `9 [* W! |5 B- @: F( X1 Q, ~
- font-weight: bold;7 Q" Y/ z" X" i/ w I
- }/ ` S# Z8 h, @* I; o
- .toggle-content {4 M2 H- E7 r! ~; I) Y# e8 L) ?
- color: #B0B3C2;
! x! u+ u/ E3 [3 H6 A - font-family: monospace;
% p0 j/ P: b$ g1 |4 z' d3 X+ T - font-size: 16px;# j9 Z: S5 o( J: r! A' |7 v) D7 `
- margin-bottom: 1.5em;; U4 @/ E5 Y/ Z; O' _9 \4 b k: k
- padding: 1em;
+ g& F. z; J" H+ C$ \/ u - }$ `: P# m7 ], u0 f6 J6 q* A$ S" q
- .toggle-input {
. g, g: y6 F( [+ D& Y - display: none;3 G# D* ^1 v; |, V
- }% R& E+ ^6 Y; A7 P( I0 q6 X
- .toggle-input:not(checked) ~ .toggle-content {, S8 Z- G1 z& O* T/ u
- display: none;
: ~' C- y9 Y5 Y9 o$ B - }
* p2 e! a) e/ I& |- D - .toggle-input:checked ~ .toggle-content {
. c- |+ k$ c; Y8 g: ]7 X5 n2 h8 O, Y" _ - display: block;4 x) Y" V1 {/ m' u. L9 E* z
- }
3 H+ B1 p' T2 S* v& M/ f - .toggle-input:checked ~ .toggle-label:after {
* K( r* }4 ?6 o, ~) o# j- S - content: "-";
) x& D9 [. o9 { - }
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