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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!">
( I# k" o: l% U a& q4 B5 b - Label for your tooltip& |8 u& q9 g. E: ?4 c1 w9 c/ d# V$ w
- </span>
复制代码CSS代码: - .tooltip-toggle {$ U# D& a M$ s
- cursor: pointer;8 p. H8 Z( K7 ? ~7 {
- position: relative;
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( c, w& G+ @6 ~+ Y7 B - .tooltip-toggle svg {4 d5 w J/ P0 b& o8 ?8 V$ J* P
- height: 18px;; p' q0 C" r4 B' v# {9 y
- width: 18px;; r: `4 z1 Q( u/ n6 ^ _
- padding-right: 0.5rem;" g1 n8 m c( Q2 ^5 p( P
- }
+ B' w7 f8 u9 r( T - .tooltip-toggle::before {
: o8 a" t, o. J. k8 V - position: absolute;; E, \ p; H; X, j7 c1 G
- top: -80px;+ F1 B) j: l* k& u! Y9 H3 D( J* t
- left: -80px;; g$ h! W1 S; c) d4 V
- background-color: #2B222A;
5 e/ n* P: V/ E6 X" B3 j6 a - border-radius: 5px;, s; q" i" c4 N* ?5 L b" }
- color: #fff;
6 r5 j, R/ i2 ]# e7 D - content: attr(data-tooltip);
" Q2 t' Z. W; n# m - padding: 1rem;
' l3 t! R$ T5 ?# J* |& Q2 @; d - text-transform: none;, p4 E' M4 n4 ]$ ?
- -webkit-transition: all 0.5s ease;: S+ E& W. \6 c* r, P! r' w& o1 W
- transition: all 0.5s ease;
# D9 B; y% X5 p& s - width: 160px;
5 ~( C3 O8 q. l) r; T7 W8 s. F0 u - }
5 l1 j c4 @2 V9 ? z7 e - .tooltip-toggle::after {
' B! u4 E- Z0 T5 m8 f% [ - position: absolute;
. S! V1 S2 x, ?# n: H - top: -12px; ~* e- S8 a. `1 i0 K8 B* H9 f
- left: 9px;" A7 i! ~$ R" Z8 s; Q
- border-left: 5px solid transparent;. g1 l( z/ Q4 D- J2 `
- border-right: 5px solid transparent;4 E( R# Q1 x$ V8 L8 z
- border-top: 5px solid #2B222A;0 e* k! E. [* p+ N
- content: " ";4 H3 v* D& m$ F% Z: }
- font-size: 0;# h0 z* v$ [+ G& P1 L6 A) s8 c; o
- line-height: 0;1 K- }) }8 a& f) P" q5 y
- margin-left: -5px;( [; g) e# d4 r' j- c) x
- width: 0;2 g: r6 L) O$ D, w& ^( p( {& ^' V
- }
. o7 r2 }( d! S7 s# ^6 y - .tooltip-toggle::before, .tooltip-toggle::after {4 h3 y3 U/ D9 ^3 U( T. G
- color: #efefef;
2 K. \1 @7 Y! A9 a! v' f - font-family: monospace;; Y2 x9 n1 u2 g& a& r
- font-size: 16px;
7 l* R( n- ~' g( ~' y - opacity: 0;2 A3 J# X/ ^2 c. c
- pointer-events: none;6 U! K1 a6 P) I. i
- text-align: center;/ e! S% F( a" v5 s e
- }* Y1 i$ l& {5 N) y
- .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {0 K: E9 z. j; f4 A5 A: [
- opacity: 1;, G! x2 V9 A, C
- -webkit-transition: all 0.75s ease;
A' N* O0 k3 x3 I O - transition: all 0.75s ease;' T/ z h0 h7 c( s/ @2 }5 Q
- }
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 D5 e' f2 C N# X; c
- <ul class="nav-items"> P% w2 p; O7 _7 `" w
- <!-- Navigation -->
9 H! K1 B( h& K) V1 ^ - <li class="nav-item"><a href="#">Home</a></li>
( r7 ~- [% d* A, w) D2 W$ [ - <li class="nav-item"><a href="#">About</a></li> H, J# T; y- Y' @( r& r
- <li class="nav-item"><a href="#">Contact</a></li>
; C: X1 f: X9 K4 m - <!-- Dropdown menu -->8 ?' k- u" g3 Z/ O
- <li class="nav-item nav-item-dropdown">
8 {3 p" L" s+ x3 f5 ?$ z - <a class="dropdown-trigger" href="#">Settings</a>
2 {/ T9 g7 F# e; g! U3 _$ `/ P - <ul class="dropdown-menu">
, w% ^( {$ H1 ^: S" ` - <li class="dropdown-menu-item">4 [- e4 s L- U9 G0 {3 O9 o+ j. }% |
- <a href="#">Dropdown Item 1</a>
( w4 N% [) }4 c2 R3 E - </li>, M$ b7 X2 e' a z* g. \
- <li class="dropdown-menu-item">
/ P @* l( q3 q( U* v2 W& M8 U5 e - <a href="#">Dropdown Item 2</a>
3 i# U/ b9 j- j9 E3 k1 R - </li>1 r+ F* Z- k. e+ D: C
- <li class="dropdown-menu-item">) V5 J; K- K. I( T6 B6 c
- <a href="#">Dropdown Item 3</a>
5 g& |% {: v) o# M( E - </li>
0 g: Z) X0 F* M/ _! A - </ul>. s! o; k5 h- w; F' g8 V) F
- </li>/ I* ^5 q6 q% d& b6 s
- </ul>
0 s* ^/ Y5 h) g) _ K7 z O' V9 N - </div>
复制代码对应的CSS代码如下: - .nav-container {
& M M+ N8 Q* [1 n0 u - background-color: #fff;
2 P" V! D7 ^) U5 t; [$ Q3 e; I - border-radius: 4px;
' d! P5 w) F( \! E% e/ t - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);; c3 p& w9 M( a' ~: W3 E
- padding: 1em;4 O, H @& \, u* D; a/ u
- border: 1px solid #eee;) U; [8 K: G( A) k9 d( h% t
- display: block;5 K- @6 L% f+ f/ K
- max-width: 400px;
3 L/ h3 ?# Z5 q - margin: 0 auto;1 x* ?7 G& h; |9 ` y; ^3 {
- text-align: center;$ U# A0 _% m$ U/ v/ j! [
- }; N' Q5 s. I+ S' T d# V# ?, o
- ul,+ X5 J* k0 t( B, m1 a
- li {
, l( ~* D# D& \( G9 |9 v: t7 k" @- [ - list-style: none;
; ]7 B8 V0 g' j' \9 f6 m& k: Y - -webkit-padding-start: 0;
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- a {
7 x5 V; q5 q" c, a, z$ S - text-decoration: none;
1 t- W2 g4 C0 i Q, g - color: #ED3E44;
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- .nav-item { Y9 k8 j5 ?2 ]: Z
- padding: 1em;
2 _2 @6 l9 Y$ l& A - display: inline;
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- .nav-item-dropdown {
2 k/ J" L5 d7 O9 c - position: relative;0 w$ ~% g0 ^1 a- u# m% i3 o
- }' ~7 z) v" O; {* j0 A7 x
- .nav-item-dropdown:hover > .dropdown-menu {
R# j. o, D% W - display: block;
7 ?% j" c1 D& V3 n6 f - opacity: 1;
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- .dropdown-trigger {- _8 G5 B; N" W2 U# f, [: {; K+ T) v
- position: relative;
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- .dropdown-trigger:focus + .dropdown-menu {
: t+ u+ x8 X; P+ E - display: block; x" C# b' b P1 z3 g2 R; N
- opacity: 1;3 _6 T( x3 M) E
- }; \4 }; v. o4 n9 v: c+ S. Y! f- O
- .dropdown-trigger::after {$ i# ~4 Y, j. S8 m0 p- R _4 C
- content: "›";
: T, ~2 A6 s! h* d" U. _ - position: absolute;
6 C7 ?0 a, s# N& M - color: #ED3E44;; q" N4 x& q( B7 Q% ?9 i+ V- q
- font-size: 24px;3 u. N4 @" P+ f) }
- font-weight: bold;
0 ?1 x- ^7 X. T' `' U - -webkit-transform: rotate(90deg);
1 O" K M/ V7 f% A5 v - transform: rotate(90deg);3 M1 u2 r+ E5 \9 s
- top: -5px;) W* e% ]( Z x1 t- J
- right: -15px;0 w) @% J6 m9 w5 y# }, N
- }
q2 v5 J: R3 c. _ - .dropdown-menu {# s) J4 i2 {- w! V* ?5 `
- background-color: #ED3E44;
- M: ~% v8 J( c/ o0 b. H - display: inline-block;4 Q) x! Z0 B; m5 J/ k6 v4 g* I; h
- text-align: right;
; Q. [. S. Z: J6 [ - position: absolute;! o; {$ m: t2 h! C" g
- top: 2.5rem;
# O1 V+ x$ j8 t$ r. N/ u' ] - right: -10px;
' X; X9 L# b6 Q4 p. i. Z& I6 c - display: none;
" [: j; w# i% c - opacity: 0; f$ [' t- U5 f4 ^# m$ R" E2 H! X# c
- -webkit-transition: opacity 0.5s ease;
+ Y2 V. p& C9 v- Z Z0 n - transition: opacity 0.5s ease;
/ K3 ~: @. g& m, j - width: 160px;
1 m! s1 ^! m6 w: Y& t6 X - }
; s6 R4 ^# f0 A- d% W1 r# Q, }% l - .dropdown-menu a {
3 F5 L6 {7 N: F, j9 [4 [7 I. C# s1 s# M - color: #fff;3 s$ a, P9 y/ u& P, ]
- }6 D, d7 ]4 F3 K& K8 `
- .dropdown-menu-item {
/ I9 N/ B$ ^0 ?5 U5 S& j. Y9 K - cursor: pointer;& @0 n2 \1 u4 P+ ~" @' P9 D
- padding: 1em;2 j3 z- n; [9 i. O
- text-align: center;! z' }$ } q0 q; q$ G
- }9 M4 s; }9 g! P9 h. V
- .dropdown-menu-item:hover {
/ B6 X7 b' }, V0 e" t: s/ ? p - background-color: #eb272d;/ ^+ D6 N$ Y% h+ s# d0 S- N u
- }
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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">8 i+ r9 W9 f/ `0 [- `% G& ?
- <!-- Checkbox toggle -->' @" ` R* B4 m3 ^7 t" Y# _( ]
- <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">
1 K3 U! \$ [" v* k4 a5 Q - <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>6 k# y* U0 n, _3 {& r( S r
- <!-- Content to toggle from www.mfbuluo.com-->& P P. W# y+ `# l" o9 j" U
- <div role="toggle" class="toggle-content">
; h, C7 G6 Y1 A; K - BA-NA-NA-NA!
5 d; q* |# Z7 U; A - </div>
! N2 | q0 j; W1 v4 k0 \ - </div>
复制代码CSS代码内容如下: - .toggle {
9 z9 d9 ?! K- q! q0 a: _ - margin: 0 auto;
1 h$ t* c3 @ ~ R$ Z* j2 D" K; } - max-width: 400px;
8 ?2 j4 Z7 E- _5 T- g - }& L. \; C$ m- }4 [; a& E
- .toggle-label {
# g- X; n: x6 L8 j7 b - font-size: 16px;
" i8 N/ G E' }( g) t1 c - background: #fff;$ L, V) C' s' _) Q, z4 ?. s L
- padding: 1em;' @/ R9 f# x7 l) T
- cursor: pointer;
/ y' P( _$ A0 H% {" W' h2 z; t - display: block;
: G; h% @4 j7 d+ G5 L - margin: 0 auto 1em;7 M0 b3 Q4 y1 q9 k% L( Q: h
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
% N+ y! |% G( c5 x5 c$ u - border-radius: 4px;0 [# p- L9 {# t. x# d
- }
) A" k9 `9 j4 l3 e - .toggle-label:after {2 _; C* O! F, @/ g0 T/ @
- color: #ED3E44;
9 K ]/ f. J- ~. L - content: "+";
$ f, P) w: B* Z1 G8 p+ `" B& Y, ^ - float: right;' y0 v# L8 R$ V" A" m' g9 v6 m+ U- c* e
- font-weight: bold;
$ O% C+ _0 x* V) z: U$ x7 c: I - } D, t2 p; t" |( a7 P
- .toggle-content {
. i o" ~5 J& Q$ ]5 S4 a' F) v$ | - color: #B0B3C2;- M3 @( E5 k! I8 I+ L3 Q0 Q
- font-family: monospace;
% ~4 Q Z6 `& L9 M9 R. J' K, H& d* ? - font-size: 16px;/ p0 X7 u, M+ w; |
- margin-bottom: 1.5em;
, n+ L, m4 S% Y+ Q$ v5 S- I' f - padding: 1em;
]. q' p& L; \0 A - }, w" A% r# J! J; E9 K1 V
- .toggle-input {" {& s4 {! h i" r i3 t
- display: none;
) y" ?7 \$ |9 q, F$ N( l; i# e - }
/ z R: n& _3 B/ } - .toggle-input:not(checked) ~ .toggle-content {
) e* h5 |- O6 C, N: \6 U - display: none;
) A1 b; P) k1 g, {# a, ^ - }! o9 m# x7 J' Q& {" v
- .toggle-input:checked ~ .toggle-content {' e0 ~5 |: M* ~/ o
- display: block;
% p. K' n( ~$ j8 V5 D8 G/ u# j - }4 P( a, i! s0 |. L) b3 N
- .toggle-input:checked ~ .toggle-label:after {
1 X$ |5 i1 }5 a- R: j* i/ f - content: "-";% x8 Z6 Y$ \+ T ?2 A
- }
复制代码 - O2 [! ^: x6 o$ V
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