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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!">
! C% L3 r! x- @, o, G/ b - Label for your tooltip
) k+ b; Q6 u6 q" ^' _9 Z7 E - </span>
复制代码CSS代码: - .tooltip-toggle {
( I6 @, L1 S! Q' k4 i- l5 B - cursor: pointer;
8 v, x3 T, {5 o$ r" v# ` - position: relative;
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]( O" k& {' q) v# f! T8 ` o - .tooltip-toggle svg {
( u( } B8 w" U3 ~ - height: 18px;
5 h1 g9 {1 e& i5 \3 j - width: 18px;
9 Q! r, l0 t) }4 p - padding-right: 0.5rem;
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- .tooltip-toggle::before {
! h5 O* f8 m9 j - position: absolute; [" O* ^0 k+ U3 C& K9 O
- top: -80px;
9 F' b' a4 b: n9 o" y, h% I - left: -80px;
% z; T6 P. H% d+ z6 j; l - background-color: #2B222A;( X; u! }5 h- v' l
- border-radius: 5px;4 G* B+ k8 k( V0 i
- color: #fff;
7 \& j9 h c, ~8 J o - content: attr(data-tooltip);
6 J4 m D1 j: \ - padding: 1rem;
; m9 G% r" P l' E: c - text-transform: none;2 O! o# M- d$ ]
- -webkit-transition: all 0.5s ease;
1 M. Q. E3 p2 |1 h - transition: all 0.5s ease;
$ c! }6 U4 J v' }7 S P - width: 160px;
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- .tooltip-toggle::after {* }7 t A5 D# _' e4 l' V
- position: absolute;
' ^1 n1 _$ m# X' K0 M9 u: i6 P* w - top: -12px;# u1 I- O& x' S' V0 X0 f2 f, c( u
- left: 9px;
# X! A9 D* w$ [" g2 I - border-left: 5px solid transparent;' v# s4 y) \: I, S' e
- border-right: 5px solid transparent;" l) ~" i( c5 a+ r; y- L, _$ W
- border-top: 5px solid #2B222A;
. c* U& V. `) z# C% c - content: " ";1 ~0 n/ E+ Z! C6 _
- font-size: 0;: \; y ?3 x: r3 s) }0 R4 P
- line-height: 0;' F( W" I/ a4 M( E( g: e3 g# `) l
- margin-left: -5px;
: P, ~. w4 u \ - width: 0;, h/ Z0 p( F8 k4 z
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- .tooltip-toggle::before, .tooltip-toggle::after {
0 {9 y- Z4 s' P8 }: b4 Z - color: #efefef;5 ]( K8 H& d9 y9 x; z; @" Z8 q
- font-family: monospace;
; B9 G. r4 t* W" S6 ~6 p - font-size: 16px;" y% \1 v, K) G0 k
- opacity: 0;
# h, n$ p6 A# {/ [ - pointer-events: none;
$ m( i/ }2 V9 J; Z - text-align: center;
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" v' f& i* U( ?$ U9 ~* V4 B - .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {4 W6 r4 p8 Q4 g4 O( n
- opacity: 1;1 J% A$ r! u4 z. @
- -webkit-transition: all 0.75s ease;
4 f" g6 D: g _* P2 Z - 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">
: q6 @: r* @, n - <ul class="nav-items">! Q/ z1 R0 j: ~# |0 ?9 o( N
- <!-- Navigation -->% R, |) t! l7 P' J- y
- <li class="nav-item"><a href="#">Home</a></li>% ^( O& a3 Y b2 O0 r% m
- <li class="nav-item"><a href="#">About</a></li>
& O+ _; @; |, q - <li class="nav-item"><a href="#">Contact</a></li>
: y8 |' k6 |1 g/ ^7 R, }; N2 Q - <!-- Dropdown menu -->
( _5 ~, |! f$ ?) F! c" a( k - <li class="nav-item nav-item-dropdown">, { N/ M$ K) v' b1 e3 @2 Z- [' Z
- <a class="dropdown-trigger" href="#">Settings</a># Q: c6 y: d# T! a/ s7 ~
- <ul class="dropdown-menu">
$ e, X2 ^ X2 P. O; @ - <li class="dropdown-menu-item">
5 g% z, K5 {+ O1 q6 X5 `) L: j- W - <a href="#">Dropdown Item 1</a># z) L6 @; @( a! e
- </li>; t6 T- z0 C4 }# U& r* p' t# d
- <li class="dropdown-menu-item">/ j$ z2 x: b* J S/ H. ]! I
- <a href="#">Dropdown Item 2</a>
5 J) @$ f7 ~2 w - </li>
% @% n4 _1 d. z7 | - <li class="dropdown-menu-item">+ k3 y* Y8 {7 j/ Q7 w U
- <a href="#">Dropdown Item 3</a>
, {5 P7 M& h4 X; f" Q - </li>. ?6 C# n6 B3 W( N
- </ul>) @ J2 g9 K9 z; {( c+ Q6 U! A
- </li>
# ^' J4 R- w+ n2 k* A2 p+ ^- y - </ul>+ |* j" u) P3 O8 @: ^. T' w
- </div>
复制代码对应的CSS代码如下: - .nav-container {
" {, \& x0 O) O - background-color: #fff;
/ F7 c+ {# P: u; X: n - border-radius: 4px;
: D, `; d& \6 Z/ ]0 L - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
\" G7 t. }' l1 Y( p2 K0 U - padding: 1em;" h2 L- C8 {$ F4 d2 D: Q2 q
- border: 1px solid #eee;
U* k$ D/ T; d! g - display: block;1 w" |2 S& H6 g8 D
- max-width: 400px;
9 r1 x% }% m+ d) l - margin: 0 auto;5 ]$ J; A- g! Q* J
- text-align: center;
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- li {
6 I! N3 H5 q- y; n - list-style: none;" g: l' | u. @6 |( T
- -webkit-padding-start: 0;4 M4 ^5 X5 A5 c2 D9 n J8 C
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- a {
. m4 U/ R6 Q, \- ^ { - text-decoration: none;
+ x& x* ] g4 o/ H! I - color: #ED3E44;
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- .nav-item {7 Z4 H4 N+ j4 {! ^1 r( Q1 A9 Z- Z
- padding: 1em;
1 ^6 R$ W) Q. \% C; }- ?+ e3 J' m - display: inline;
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- .nav-item-dropdown {
/ A; U0 x% n' z - position: relative;
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! q( E/ ~; B* k- D - .nav-item-dropdown:hover > .dropdown-menu {" `) g! ?; [# X/ f |" P# c3 V, d
- display: block;/ V! I8 L0 N V" @
- opacity: 1;
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3 l O V4 n2 z- g - .dropdown-trigger {8 |9 T5 m% c0 @. |- c2 q
- position: relative;
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- .dropdown-trigger:focus + .dropdown-menu {" N% c& |2 q" m8 y
- display: block;
0 U0 g; h) P5 i - opacity: 1;; R. O: g6 i0 X
- }
2 Z2 \3 \, F# J& H( g - .dropdown-trigger::after {7 Q% Q& i; U) ?0 e4 L8 l f. w- O$ L
- content: "›";
3 v! i R* K. ] o0 @1 W! N, M - position: absolute;8 v- h. n$ j5 [) T
- color: #ED3E44;
* c* ?3 J2 A! u& N9 q( R - font-size: 24px;
. K2 i1 M% O+ W* e: O - font-weight: bold;5 u3 S* e& \. Y# Z4 S& G9 w! h4 g
- -webkit-transform: rotate(90deg);
8 K+ L- i* k; O& y1 D# g; i" R - transform: rotate(90deg);: D6 {/ H* N2 n! z" J
- top: -5px;
8 }4 H% F6 u; F/ G% L1 }8 r - right: -15px;
. p6 q7 f6 g. E( Z) E8 l( N - }
$ ~1 M: b3 I( ~ ~- w N7 m - .dropdown-menu {: t( D7 z# Q- h
- background-color: #ED3E44;$ G& Y( t2 r1 w/ o; h
- display: inline-block;
8 a; t; s: ? Y+ H) h - text-align: right;
' m$ J6 g% n+ m$ ? - position: absolute;6 s* z4 l9 L! s) u3 ]6 J: n1 U
- top: 2.5rem;( B+ l, ?) E# C7 J8 j( g, N8 X
- right: -10px; d A' Z$ P' n' `" ]8 Q3 J
- display: none;7 t- v" s" F/ b
- opacity: 0;
- L! D7 ~& z! u9 g; V8 \, a* @2 Z - -webkit-transition: opacity 0.5s ease;
$ ?4 I6 U9 }" W - transition: opacity 0.5s ease;
* J' H$ `# F4 v+ W Z - width: 160px;
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- .dropdown-menu a { [/ h2 v4 l8 c
- color: #fff;
% T: d3 T' j6 r0 D3 f5 R - }
/ E1 N$ E/ C3 {7 W. g# r3 I6 ` - .dropdown-menu-item {7 E2 d: l- B9 c/ C5 D$ |/ {
- cursor: pointer;& T* `, c/ {0 F9 k
- padding: 1em;
: A" P% G3 h5 C7 R9 P, T - text-align: center;
; U% Y" ]. e6 N: s- O - }
! t& M$ A4 B; X, q K - .dropdown-menu-item:hover {& P5 ]7 o9 @& X+ ~2 F
- background-color: #eb272d;
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4 E; ]# o) [' U" u; H1 ], b1 l可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">$ C' I& f ~+ w) h" n: [" x8 y
- <!-- Checkbox toggle -->0 i; p/ R: e U! x0 ^1 W+ K7 r
- <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">+ u* ^$ e" ]6 H& E9 N/ F" s6 @" F
- <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>5 {, ^8 Z; j5 L7 N6 u
- <!-- Content to toggle from www.mfbuluo.com-->
6 P7 o, u* _5 p# u* } - <div role="toggle" class="toggle-content">
9 b+ h, z$ J1 d - BA-NA-NA-NA!" R2 q2 v' \. D6 Q
- </div>
5 e( j& J0 d8 y6 G - </div>
复制代码CSS代码内容如下: - .toggle {4 ?8 k- w! x5 x; \
- margin: 0 auto;
G$ C& e0 }! o - max-width: 400px;
5 n* j+ X- }8 B% x- S" j# C" G2 r5 t8 } - }4 U/ c' E2 Y; F$ q
- .toggle-label {
- M; g5 E: Y2 _$ K6 |6 n% @& m; Z - font-size: 16px;! |1 U6 ?2 f/ D e
- background: #fff;
+ ^1 A5 r+ h7 }% r! ? - padding: 1em;
: x& f; {& D2 p - cursor: pointer;
% ~6 K1 J9 f1 t+ R) y* i' R# q* E - display: block;$ ]8 Z5 B; U& O& Y- ~8 r
- margin: 0 auto 1em;( b& j+ K9 w; m% p0 H
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);2 Z' Q; ]# T: Y& P3 R
- border-radius: 4px;
$ ]: M9 E1 j8 o4 A- I& m( U - }
& U. {# g U' u% h* ` - .toggle-label:after {
4 ]7 X; J' l3 _ - color: #ED3E44;, k8 q) c k- ^ G
- content: "+";9 }2 ]: H+ y4 g
- float: right;
/ n9 @, }4 }6 t \1 ~ - font-weight: bold;
7 ~& [4 W8 T0 k - }' Q: _3 Q, P/ `
- .toggle-content {
s3 N% w. @( X/ L6 I - color: #B0B3C2; n+ d/ c* M4 z' J! X h
- font-family: monospace;! R; l3 S3 @3 |& J
- font-size: 16px;7 }1 h+ K) V! ?1 j7 W# l8 C4 {. b; k
- margin-bottom: 1.5em;
) k) G7 {% p) d9 Y! ] - padding: 1em;
3 o3 W% h% \$ D# s5 u( J6 R - }8 `& I% X/ z5 e3 {4 L+ S
- .toggle-input {% z4 P7 C& E4 d1 z; b* y
- display: none;; ?* H' ]" j# N: e1 B
- }
' y4 g' c$ q/ J - .toggle-input:not(checked) ~ .toggle-content {( n0 t2 o( B2 T5 ]- W. x ~7 k1 O% M$ h6 v
- display: none;, ]9 }5 l, R3 o2 S/ D$ W. u8 ?
- }
& C! t9 a7 |! C - .toggle-input:checked ~ .toggle-content {, [& p; F/ Q( i" A( A
- display: block;5 |2 x4 g/ Q2 ]- a- e" H( ~7 ^
- }' f- j" t9 t% N( l
- .toggle-input:checked ~ .toggle-label:after {
% U1 t( k7 Q; S - content: "-";+ Z8 e! V5 D. r% s: ]: Q
- }
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