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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!">
3 O4 t9 ~% o ~& I4 v3 F6 o - Label for your tooltip
& |; z9 W( \9 p - </span>
复制代码CSS代码: - .tooltip-toggle {0 E, b- |4 c* {4 H
- cursor: pointer;9 R& C$ g/ m4 h5 A- L. p! g
- position: relative;, g8 ~& Y1 r* N7 [% K* z
- }
* F9 @ v+ j6 K, ]5 c - .tooltip-toggle svg {
: Y/ I2 F6 k% a" X. L - height: 18px;- U" D% _5 L' {( @6 l
- width: 18px; l: l% T* m" F4 p! {
- padding-right: 0.5rem;
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& O H/ q0 x Z+ m - .tooltip-toggle::before {1 i2 e2 Y8 A/ O/ @6 T$ B
- position: absolute;
x6 B9 y# B% n) _$ Y - top: -80px;
4 ]& H& E; _6 p: E - left: -80px;: l9 m3 \$ P, C# M: s, ?
- background-color: #2B222A;
- u. f7 B. n- V2 g - border-radius: 5px;
/ [0 I; D1 V3 W/ S7 x, h - color: #fff;1 b; L. G! |5 g, F
- content: attr(data-tooltip);
+ O5 T2 e$ p/ L% \! M0 q - padding: 1rem;
: F" t0 L! u% M" Z* ~8 U. z' H% F - text-transform: none;
A! U# E# W; Z) f- v8 t1 n - -webkit-transition: all 0.5s ease;
) @6 V P. t" i2 L# H- {8 e - transition: all 0.5s ease;( g. X; U3 Q. H; y
- width: 160px;3 c9 C5 [4 [7 Z4 s4 f
- }0 x. @3 K2 R. j/ ~
- .tooltip-toggle::after {
# e2 S% N0 w. Z1 ] - position: absolute;
7 m0 L, I) ?4 ?% g# q! ~- K - top: -12px;- I s& r- K- ~! i) ]$ Q% B
- left: 9px;
. S* e& z% o$ b+ m - border-left: 5px solid transparent;! A0 t: I& |6 ?( E
- border-right: 5px solid transparent;
+ Q: [( q0 M) W6 |( O1 v' k$ W - border-top: 5px solid #2B222A;# s6 U( F! \" W, M% F8 ?8 b
- content: " ";! Q( t4 T9 p. I3 B( p- k
- font-size: 0;
" m, t, ]* j0 X( m7 y$ C - line-height: 0;, i" h! u, A0 z; D8 P& Z1 r1 i) Q
- margin-left: -5px;) E! P1 w. z" y. U3 s
- width: 0;
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- .tooltip-toggle::before, .tooltip-toggle::after {
3 u0 L) O& w- f - color: #efefef;1 P6 Y4 t, G- d
- font-family: monospace;
) Q: X* |0 q; R. B( m - font-size: 16px;& o% Y, ^: b4 y& `( m6 E( H
- opacity: 0;
& z# {- [8 C! b4 B' b% o% ?. w - pointer-events: none;
; s+ c5 ~) ~5 r ] - text-align: center;& l8 t: y4 U$ |! V' G
- }
6 I( P+ e) a5 D* U) O& ] - .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {3 J+ ?& R5 [+ e% k
- opacity: 1;
S/ U j N; m! Y7 t- T - -webkit-transition: all 0.75s ease;9 J* }2 ]! c. |/ x0 H/ t
- transition: all 0.75s ease;; {" S+ L# p. p+ B$ D; Z& S
- }
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">
" }7 Z/ N6 _7 ?$ L- V9 r - <ul class="nav-items"># U7 t$ I' C. Y/ p) n+ U& K; ? M
- <!-- Navigation -->
6 `& U( x! x( Q/ l - <li class="nav-item"><a href="#">Home</a></li>
9 I( t9 E, O' `- Q9 k - <li class="nav-item"><a href="#">About</a></li>4 q" w$ P2 C# j* x7 l& W1 P# w
- <li class="nav-item"><a href="#">Contact</a></li>; ^$ G* }! R6 y
- <!-- Dropdown menu -->
0 b s# B. x% K1 |8 N( v- X - <li class="nav-item nav-item-dropdown">1 @3 F8 ~ y4 C8 \6 T
- <a class="dropdown-trigger" href="#">Settings</a> Q6 d6 u% _, I' g
- <ul class="dropdown-menu">
& q& Q, C6 T; b' N - <li class="dropdown-menu-item">
& H# R; Z7 O+ _9 g, h - <a href="#">Dropdown Item 1</a>" m7 @$ l6 O1 Q; _' E
- </li>* I" ?: r; Q- ?4 a. \1 T
- <li class="dropdown-menu-item">
8 n% L& F( W+ Z( ^/ }# c1 \; ] - <a href="#">Dropdown Item 2</a>8 l7 z1 u. }* f& ^
- </li>. P4 L7 r" D, m1 q
- <li class="dropdown-menu-item">
" p" B% M) h- i) b9 z5 ` - <a href="#">Dropdown Item 3</a>- G" X% L* F0 ]9 B
- </li>. [; Y' A( d: R- j0 x9 V: K$ X& p9 F
- </ul>
$ [* k% H! B' n" n' e, p - </li>
1 I. N- P. l. W' V - </ul>
7 z" Q' J6 b5 x- }0 d, @ - </div>
复制代码对应的CSS代码如下: - .nav-container {
1 t) {1 s) e. G [ - background-color: #fff;8 e/ @% i x2 D* ~+ F* Y
- border-radius: 4px;
# ^0 C1 ?6 ^2 l3 p - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);3 n% C6 F% N9 H% Q- d
- padding: 1em;) ^; J+ v/ E6 d3 O
- border: 1px solid #eee;
; }- L; Z; L/ u/ A7 ^% E' C2 [4 H - display: block;9 T( A; _* Z" K. m
- max-width: 400px;
* `0 q' h& M7 h3 ~# M, j - margin: 0 auto;, I: u$ M. |. n T/ ~
- text-align: center;/ g& C4 A* t# D& d# T) h2 `
- }
( O" P# g% N, W - ul,
! W% n0 q( ]; c- x( l - li {
: h% J* W0 w6 h - list-style: none;
9 ~% _" `& n- Z8 p# N. x& K - -webkit-padding-start: 0;
& P2 V; Y# M& x2 A# _ - }
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- text-decoration: none;
% K7 ]' W& \- ~: c; U: Z" }- b3 ` - color: #ED3E44;
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- .nav-item {
. a1 o: w3 X |2 e - padding: 1em;# x" g" G: v3 q' T/ _
- display: inline;" R7 T) z4 H+ t, U
- }. G4 p2 Y! D0 M3 n+ _% A
- .nav-item-dropdown {) r% @2 h- ^9 K; M! J/ `
- position: relative; {! d c% m' u2 a
- }/ {* @3 x3 s+ ~+ _
- .nav-item-dropdown:hover > .dropdown-menu {
; O% c' H4 J8 l - display: block;! x7 W R, E# `
- opacity: 1;$ f2 Z% W- b3 i
- }+ ^5 S* n4 M. P+ `
- .dropdown-trigger {" p( T+ e$ H- d, C& E, i1 Y/ J5 x
- position: relative;3 z- V2 l( P; L0 ^
- }
h+ r# R1 `: l; ~ - .dropdown-trigger:focus + .dropdown-menu {
4 m7 P3 M- K7 l; U- P$ }; k9 r - display: block;
3 t8 M( q# K$ f! w4 E1 a* J - opacity: 1;" A+ w- e/ t8 }' g/ r- R1 P6 V# l
- }
' k7 o( N2 |# K; @2 ], G - .dropdown-trigger::after {
* q2 f; e- |! J% m' Y# }; i) N - content: "›";
4 r- M" C1 S$ Y8 V - position: absolute;% {5 u9 I# Z. F' k
- color: #ED3E44;& b2 g0 I$ n ~( E& l
- font-size: 24px;' z8 c4 }- I( ^
- font-weight: bold;
- H( i: z7 k9 i6 K) y5 f - -webkit-transform: rotate(90deg);
1 Y- L2 @' p( m+ `! W; j' }( j - transform: rotate(90deg);
# @( p# J2 L2 v, L: h; K& v - top: -5px;
. @& Z t7 V2 L$ ?( {6 N0 j - right: -15px;/ C5 e% u5 O! O. C
- }
6 X2 A3 Z- `9 }; d - .dropdown-menu {1 I: h/ m. C3 i7 d! L) p7 x
- background-color: #ED3E44;
9 u" f- n/ N& q9 o. ? P - display: inline-block;
3 y1 v/ K; q$ Q - text-align: right;
6 I) J# U9 r! b - position: absolute;
9 [3 ]- V2 @( y/ |- W4 I0 e - top: 2.5rem;
3 N/ C5 Q9 L: d8 h8 K - right: -10px;' x* N0 f7 Z, E! _3 @ c5 m t! J
- display: none;
9 J$ P+ u$ P, n: ~2 ` - opacity: 0;" b( ~2 |6 _) J+ F
- -webkit-transition: opacity 0.5s ease;
9 K2 T# A7 ]7 i. ~5 x6 b+ y - transition: opacity 0.5s ease;/ Z& ^! Q; b1 }% u7 h
- width: 160px;2 b- P" m0 i' P- d0 P
- }% q6 j, X6 L8 {1 b8 w
- .dropdown-menu a {* { M* f1 \( I- X( D; A$ t4 J3 [
- color: #fff;+ [4 u- i1 T3 Y; B3 E3 k
- }
+ j- ?( b: a( J" _5 u$ g8 d - .dropdown-menu-item {7 f2 ^8 P# R% G% b% P
- cursor: pointer;$ w" x: S# C+ }: c, z3 Y- d
- padding: 1em;
! o# E' ] _% k# X2 ?# q - text-align: center;
1 y7 A( _/ w! M& T+ p - }& l" N" i" _7 Q
- .dropdown-menu-item:hover {
! C) \! b% n! u - background-color: #eb272d;
2 R7 E2 B3 E0 c) v3 v - }
复制代码 ) T& y0 ]* @0 m8 M3 e8 `
可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">
# P- m7 V/ E9 s2 ^) ]- E/ K - <!-- Checkbox toggle -->
' R& z, j* T: n6 t( v - <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">% R0 Q+ S5 u9 q( y" d* ~; E, q2 a
- <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>- F1 i- Y8 _: u) ^; u
- <!-- Content to toggle from www.mfbuluo.com-->
1 I m0 g* _% k ~0 z - <div role="toggle" class="toggle-content">- O% |1 ^% A! m0 v
- BA-NA-NA-NA!
4 a0 D6 [7 v0 V - </div>9 B/ m) M E1 U0 C/ Q
- </div>
复制代码CSS代码内容如下: - .toggle {. L. e- {# z, U1 h2 ?7 _
- margin: 0 auto;
/ u! n C) z' _1 M5 | \) q% _ - max-width: 400px;
6 I) y: X1 a/ r. R2 \ - }
' H# c% u6 J5 d- f' ]5 Z - .toggle-label {9 V, ` ~$ j5 r
- font-size: 16px;
1 t0 Y* s: |. a0 T6 S" W - background: #fff;
& H/ g# ?; ^7 @, ]! l; Y/ l - padding: 1em;7 a$ P& y) g e6 V
- cursor: pointer;4 U7 N- V0 B0 v: ]& d) p( @
- display: block;1 v9 P! x2 c' |: `4 ]3 o
- margin: 0 auto 1em;# }; Y! ~) d' i
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
# j0 Q1 C( W5 E0 @ - border-radius: 4px;
4 R- H$ V' ?2 ^# M8 c - }
! Z0 }) U: p2 M! p - .toggle-label:after {
- \# \% W7 f/ F3 j; b0 I - color: #ED3E44;
8 J! a* T4 T4 n4 _* h6 W - content: "+";% Z; n8 F* T4 @) V8 p( x; {
- float: right;
/ g0 E6 @( n' |# V! j. p8 a - font-weight: bold;
; V0 e! D# E: C, A - }
7 S5 B4 ~! T1 [6 s - .toggle-content {
, `' U/ {3 j, q5 }2 _ - color: #B0B3C2;
; R' E2 e) T, W9 c- Z - font-family: monospace;" b# y, s( {& V+ N# @* n& d4 }
- font-size: 16px;
& Z. d0 {8 m3 a& \3 D( }: H2 j - margin-bottom: 1.5em;+ X& f) ]) l1 {; x$ W0 x$ X
- padding: 1em;0 @' L8 H1 L2 i8 m G" ^; x
- }. c. L% }; f- R7 _. z/ n/ j
- .toggle-input {
# D4 T3 |7 ]) _0 B8 R Y5 L - display: none;
% A; ]2 f- o5 ` k* ?( D Y - }' l* w) I {9 M6 T( s1 X% N, T
- .toggle-input:not(checked) ~ .toggle-content {
# H( M/ o4 ^" C' H/ Y8 g% w - display: none;
6 e4 p8 {' G/ t: M - }! I- |: D7 D4 Q" i* V: |' | L: P. @3 n
- .toggle-input:checked ~ .toggle-content {: {9 B2 N6 c' |+ k) h, P/ K
- display: block;
# ^ F9 a/ ^; m# I1 f; O. ]& i - }
! [+ o# v7 i' J% h: R - .toggle-input:checked ~ .toggle-label:after { J d7 O% _3 O1 p& H
- content: "-";
' i$ `- @" u3 r. T) G3 X. Z0 h - }
复制代码 - a5 x0 S- P. ^+ f# t, h
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' i+ I, O ]- {
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