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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!">
. {" ~5 a' Q, x& k - Label for your tooltip
1 \' ^8 s! b m$ k) r/ j - </span>
复制代码CSS代码: - .tooltip-toggle {
8 j- O9 ]" a: K/ k4 x: [6 G2 ~ - cursor: pointer;
- g: F* r* n, F$ s& O& u! p9 @ - position: relative;
/ a4 W: J3 s1 r8 R+ k5 Q - }
* x/ ^5 j5 A$ m6 I( G - .tooltip-toggle svg {
# J- v3 l2 n8 }4 f0 w - height: 18px;5 U% w+ O! E; L1 ]6 ]( e$ c5 U
- width: 18px;
6 w* \, v, R k: X" W - padding-right: 0.5rem;+ U& x: u# W/ X" z5 D( v
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- .tooltip-toggle::before {
* n' o6 u* u2 J6 a - position: absolute;
; ?4 [" V8 ?5 d; A9 S6 ~1 L+ Q2 T" v - top: -80px;
: }" _6 y* i8 Y# e4 w - left: -80px;8 l3 [: W6 `3 n; M
- background-color: #2B222A;& l% z" H5 c _- \7 D0 J7 V
- border-radius: 5px;
+ R& Y* M1 O8 F7 d; o' o9 ] - color: #fff;
3 x9 \$ t% [2 Y3 d - content: attr(data-tooltip);
$ w- q* M' x$ X" M - padding: 1rem;
% P) r |" k- [ - text-transform: none;
% a* _# Y: n. ^6 N) m( v3 A+ e - -webkit-transition: all 0.5s ease;
( B/ h0 N: R* M - transition: all 0.5s ease;3 R# L3 a! `7 Y2 M
- width: 160px;5 F* y6 ^% p0 }: h
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- .tooltip-toggle::after {
( \- A& S* K$ U) e# S0 t4 L& G - position: absolute;
: C' }7 o6 p# _8 y' ? - top: -12px;
& K) A+ y2 d" m- b: _ - left: 9px; e6 N, T2 N' o f, W. i/ Z H
- border-left: 5px solid transparent;
* m4 c& j3 \3 R - border-right: 5px solid transparent;
( m3 t# c# g5 O% y - border-top: 5px solid #2B222A;
) U; v% j$ B3 b; W9 o2 ^5 g - content: " ";
8 o6 `& w8 C: ?7 j( Q - font-size: 0;
0 T2 r6 ]2 ^& ]4 c' b% e - line-height: 0;' M7 `3 z% U" Q/ _9 }- T5 P4 d# Q
- margin-left: -5px;
6 `. a( T9 s& U& q* d - width: 0;" P- ]# z! B2 O) \! e- |! g
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- .tooltip-toggle::before, .tooltip-toggle::after {2 ~. i9 }& v5 p& J2 f
- color: #efefef; ^* V ?7 z& E# j; j/ j
- font-family: monospace;! F) t+ a- l* {
- font-size: 16px;
6 [0 j" J0 d k( r - opacity: 0;9 G& \" t, C4 I ]
- pointer-events: none;- b( r. c/ P% t2 j
- text-align: center; T e0 u; M# m ^' J
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- .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {
/ }" `" E& j4 C6 T3 Q0 l - opacity: 1;/ _! ?! w7 P' G& v( O9 m2 Q
- -webkit-transition: all 0.75s ease;; H7 S1 G$ ^8 n0 B3 h6 U8 Q
- 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"> l9 E. i. W: a
- <ul class="nav-items">
- J1 I) U# G( ?/ X, V! J% z - <!-- Navigation -->
% [" n: P" [; M' l, x$ q - <li class="nav-item"><a href="#">Home</a></li>
. S0 T9 l3 b7 }- M8 \/ B - <li class="nav-item"><a href="#">About</a></li>
! k* q. T9 ?, `( l" d$ x - <li class="nav-item"><a href="#">Contact</a></li>9 Z3 ~+ H4 j2 f0 v
- <!-- Dropdown menu -->
9 ]5 u7 W9 l& }, |6 ]4 W - <li class="nav-item nav-item-dropdown">/ s, R" e) I+ t+ l
- <a class="dropdown-trigger" href="#">Settings</a>
- \/ Z' {9 R+ ~5 E) l - <ul class="dropdown-menu">
% z# f: S1 ]* ~' M - <li class="dropdown-menu-item">
* C! d' ]3 @) [ - <a href="#">Dropdown Item 1</a>
7 _5 }9 |! O7 _7 E) @& N - </li>
3 m7 w+ w& r+ H; M* X% \! ^ - <li class="dropdown-menu-item">
$ ]$ j7 N4 I. V5 g - <a href="#">Dropdown Item 2</a>
, Z F9 ]' l! Q+ I& ^& p2 v4 f - </li>
, z4 {7 ]4 W; |; l6 T" R! c - <li class="dropdown-menu-item">
W* T( v4 S4 t% ~: c - <a href="#">Dropdown Item 3</a>) j! @$ y% D$ }2 h( U
- </li># V- \# H P. k8 B) ?
- </ul>8 {+ I5 W! ?! t: z
- </li>
! W1 R1 F; l$ ?% @7 g. f - </ul>
( F; N) i$ k; o$ b) d/ v4 l, G - </div>
复制代码对应的CSS代码如下: - .nav-container {: b3 @; T1 i7 J+ g7 E
- background-color: #fff;
" m; a& H4 ~1 b% Q; d7 a9 O7 \8 R7 X - border-radius: 4px;
: N& B8 T' D& P& M8 j - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
3 H5 e6 ]1 {/ e! R8 Z, W - padding: 1em;3 q* Q- M0 f6 o% o- c
- border: 1px solid #eee;
8 v3 v: `8 a: K' T0 {6 V) b - display: block;: I+ ?3 u8 m" [& H# D: f
- max-width: 400px;! X- r* v% A' h/ |; C: Q7 o
- margin: 0 auto;
; v: E1 n' T; u2 V9 V- f - text-align: center;5 {! d* w! a- D7 G. [+ F
- }: A7 k( s o B$ ~. a4 M) i
- ul,
* ~+ f4 i+ T$ { - li {. j# w0 c: I; o7 W) R
- list-style: none;+ I+ o; f, L' m' m. r q6 Q
- -webkit-padding-start: 0;
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- text-decoration: none;! n, c# b) m. `( z
- color: #ED3E44; L4 u5 E% U( h+ \# y2 ~
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- .nav-item {
( D& G+ | J. M% W! z9 T - padding: 1em;
+ t( J" D7 a+ M w' x9 w$ U - display: inline;
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- .nav-item-dropdown {6 r2 n% `* o8 j7 P$ h. p2 d) |
- position: relative;
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_' y" e# Q4 r1 i) x5 b: a - .nav-item-dropdown:hover > .dropdown-menu {
5 B% Y1 _" E4 E+ r - display: block;
) E; j/ d, m, J" ]% |" X" x& k# b8 x - opacity: 1;
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- .dropdown-trigger {6 ^8 ?' h% j5 Z$ U' V" F
- position: relative;
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- .dropdown-trigger:focus + .dropdown-menu {
! u5 W+ k5 t; Y - display: block;
9 I9 G# ]* c, X) ^4 Q - opacity: 1;' v- j' P) m( V' l4 W0 u
- }
2 b/ b) o% i _5 u3 c$ ~ - .dropdown-trigger::after {$ f% g$ D0 @% J1 A8 Y
- content: "›";
, G$ G' } U, c/ M1 x' \ - position: absolute;# c8 v& P9 B$ t8 T: e: r( A( E
- color: #ED3E44;
8 _7 ~' B5 i# _& s* j - font-size: 24px;
% @0 C) g" t$ c$ X - font-weight: bold;
" K; E4 e0 [% I0 f9 Q' Z) V6 ^4 K8 h - -webkit-transform: rotate(90deg);2 F0 ~/ W/ V3 ]/ i
- transform: rotate(90deg);
E; W. M h; v/ f/ g - top: -5px;
: i+ V6 F) P- ~: H, s7 B- z( ^ - right: -15px;2 [/ X! K9 S9 g& b
- }! X" X% y, C& y6 |" ^4 E" ~: p* o$ T* U
- .dropdown-menu {0 G5 {, [* T1 [! k5 |
- background-color: #ED3E44;
7 J. m3 m7 T1 F0 w+ ~1 Q - display: inline-block;8 b _5 {( z4 S; j3 n! d3 V
- text-align: right;
/ M7 h- q/ t% \( E+ r - position: absolute;
( H1 u8 ?7 R* C- ? - top: 2.5rem;
$ E0 h d; F! x - right: -10px;
7 C0 r' ^. _9 X( j5 d8 v$ | - display: none;
- V; R/ B+ Q. \; ` - opacity: 0;
2 s" U# Q# L. d* u& v+ V8 D+ w0 l. w: u+ u - -webkit-transition: opacity 0.5s ease;
8 U; R. ]. J( ^ s - transition: opacity 0.5s ease;& J0 V4 H6 V5 x. E$ D
- width: 160px;
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- .dropdown-menu a {
( k7 ?, n5 ~. ]9 T0 {/ m - color: #fff;$ ^# x& M8 {* B2 r3 k8 m
- }
1 a/ T& x4 ^% K0 Q; } - .dropdown-menu-item {
j2 n/ Y$ U, U - cursor: pointer;
6 {8 w. d0 p2 K; ?1 k - padding: 1em;
, x: @6 S" u0 D2 |: G6 S) j" o( \ - text-align: center;
4 R5 ]0 r1 P5 g8 i - }
# J1 Q( R$ F8 C. K$ y% G) f; J w - .dropdown-menu-item:hover {
5 M& s# t( h7 B - background-color: #eb272d;
4 I2 s" E5 x$ G! D - }
复制代码
4 `% F5 @9 \ W0 j可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">1 m; W3 |, M: Z! E; |
- <!-- Checkbox toggle -->; v) ^; k9 ? I4 D. x8 P
- <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">: O3 L# K4 Z1 [
- <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>
- t9 X% k( P0 ?" K& ~$ d, c - <!-- Content to toggle from www.mfbuluo.com-->
8 n/ F4 w6 g- G( o, r' P# E. G - <div role="toggle" class="toggle-content">
+ E7 N. l- Z! X - BA-NA-NA-NA!7 ^4 C3 D$ `; _; d" g, T
- </div>. A0 J+ J8 Y3 }4 ^) H
- </div>
复制代码CSS代码内容如下: - .toggle {; t k+ k& m& p
- margin: 0 auto;
. i1 B. Z2 P1 i) T9 t& M - max-width: 400px;0 X' X$ q2 {/ J/ G$ z- c; M% L
- }' p+ y1 f. E" g! p( ]) Z& R
- .toggle-label {) f2 z, V/ G6 v4 {" D1 X
- font-size: 16px;
: H) i u" u: r/ e2 M3 K - background: #fff;7 {3 \- t- c0 W: @; V9 K1 Q
- padding: 1em;. P. v, W3 @! c
- cursor: pointer;
% Y6 S+ N5 b. [" O( \& n* H - display: block;9 E* ^* g' \$ Z. K; A' y
- margin: 0 auto 1em;: w2 B5 {* ^. O
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);. H& a% `+ r0 |4 C- O5 H! O0 |
- border-radius: 4px;
: ~- o* Y) r; } - }3 ]/ A8 d5 B/ L: E
- .toggle-label:after {$ p& x# b/ b$ T! E! o
- color: #ED3E44;
; k/ ^5 p$ `$ F( W/ |# R; h+ ^0 K - content: "+";7 h& X7 k! d/ g, x3 w
- float: right;
2 v; Y3 t5 k6 d6 ? - font-weight: bold;
, q0 v/ n6 U1 P% a - }
( ^; s. |+ }5 E9 S+ E8 h' N - .toggle-content {6 s6 K9 m+ d2 P& z4 _
- color: #B0B3C2;
4 ^& o6 b# f/ q3 v+ t8 ?; j - font-family: monospace;+ s- ]2 M. d8 x; A
- font-size: 16px;
7 A D- y7 r0 _4 i - margin-bottom: 1.5em;
( h4 p6 z' }( ? - padding: 1em;( T+ b& V0 @5 V7 ?1 n
- }
5 n0 M8 G! N3 P" a - .toggle-input {: B8 s8 x4 b& `4 W9 e
- display: none;
4 {2 D+ C0 T$ p' u; s - }
& V" b- }0 Q$ H8 G - .toggle-input:not(checked) ~ .toggle-content {5 V4 K& ?; L( V* `$ J( z
- display: none;
' L( w$ [* Y- x! a% F* z* i3 O - }
4 s! e- K6 {: P4 _; B5 w - .toggle-input:checked ~ .toggle-content {# q1 Z; M% f1 ^0 s1 T6 J( g1 h
- display: block;
. f0 ?& [: v) d" v) |. n; N - }, e g- K# Z/ Y7 p
- .toggle-input:checked ~ .toggle-label:after {
* l% e* a/ B8 |- i/ o, \. y - content: "-";, Y* n# {( ~7 r" S( L3 I$ T
- }
复制代码 7 S$ O/ b9 m. Q3 @$ T
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