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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!">
$ d: y! v( Z) ?9 C0 O - Label for your tooltip* K( J) Y2 _6 E* c$ O }" D
- </span>
复制代码CSS代码: - .tooltip-toggle {
* ?9 D0 {. F3 j& Q4 @. ^% P' C' a - cursor: pointer;
( E0 P' p9 X$ ]$ t" @ - position: relative;
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- .tooltip-toggle svg {
1 G1 d4 A# D Z$ y5 H - height: 18px;* N; a7 w: B# F, p5 }/ G: |7 u0 y) x
- width: 18px;7 Y+ I5 p3 N9 {( N4 U6 R
- padding-right: 0.5rem;5 M/ o6 v. Z. A7 l8 A
- }
. G G: c( }9 [6 B L7 _ @7 J - .tooltip-toggle::before {
, ?2 v% e2 |7 D( \0 m" m/ s - position: absolute;1 g# ^8 h) s1 N' ]) x( P& f1 k
- top: -80px;
& V, Z( Y: m; B2 F" {2 [ - left: -80px;! g" t& H- @) e% ~2 W
- background-color: #2B222A;
5 d; k/ y- B0 ?3 h F# a - border-radius: 5px;- b1 q" k+ e' {8 t& _5 z, v! ^3 y
- color: #fff;
0 T2 v c- k8 y' D - content: attr(data-tooltip);
$ i' I0 n0 }, y5 f - padding: 1rem;
1 G. G6 G f+ f! b; ^& L8 I! Z* Z - text-transform: none;# K5 I( r3 E$ x, Y: ]3 \; O
- -webkit-transition: all 0.5s ease; a' B* l) r* d7 L/ [: d$ [9 c! j
- transition: all 0.5s ease;! S7 Z$ F0 [' O! t
- width: 160px;
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% k& p- g6 j9 }8 s% ~* s$ J - .tooltip-toggle::after {
5 }, [& x( G. W, o) W3 E- i - position: absolute;8 m+ q2 z6 A& Q0 |' `) b
- top: -12px;( e$ S3 C. @6 w. s
- left: 9px;# p9 H9 h0 y/ o
- border-left: 5px solid transparent;
, s+ k8 k2 a' ` - border-right: 5px solid transparent;( m" F0 p8 j! E% O3 C
- border-top: 5px solid #2B222A;# U% Z: U, K+ a) W
- content: " ";# A% S; v( g$ W9 j( r0 g
- font-size: 0;. H$ c# h: T6 S/ c
- line-height: 0;
6 H/ x' l2 A: b9 @ - margin-left: -5px;, R0 Y" X7 Z K, X$ O
- width: 0;
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- .tooltip-toggle::before, .tooltip-toggle::after {3 Y7 N _! {( l4 K" ~- e
- color: #efefef;$ t, v1 |& W+ V6 l+ L
- font-family: monospace;
. l1 J# \, [0 k* P- H - font-size: 16px;
0 i# L% ^- u% M6 u9 C+ J* v - opacity: 0;
2 y( w7 r6 _2 Y+ Z+ {+ D - pointer-events: none;
L5 }: z5 ?, p2 V7 ] - text-align: center;
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+ X% y9 M ~) q) u5 U - .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {/ z- G8 S5 D6 d1 f
- opacity: 1;* d7 w+ ~- x- U5 p2 g4 f
- -webkit-transition: all 0.75s ease;8 x6 @3 V _$ w9 h. C
- transition: all 0.75s ease;6 P- t& W6 F0 ?$ A" `# l/ ]) r
- }
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">
! f4 g8 V4 T2 k/ Y, \4 ] - <ul class="nav-items">
7 Q! V8 [3 `" V, b. r3 J* q2 s - <!-- Navigation -->' W% V' x$ ]7 s8 R: k3 z( C& I3 z
- <li class="nav-item"><a href="#">Home</a></li>& q1 f" ]+ ?- }/ _; D3 x R9 r
- <li class="nav-item"><a href="#">About</a></li>
7 d/ @# T) V3 n0 Z% d' Q' a - <li class="nav-item"><a href="#">Contact</a></li>
3 B; E( W, ~: H: ?2 p - <!-- Dropdown menu -->2 d* F* l( D" c0 Q) C( h
- <li class="nav-item nav-item-dropdown">2 b' b& J" `6 x" [% C" B
- <a class="dropdown-trigger" href="#">Settings</a>
5 C; F0 J6 X; M7 Z7 W - <ul class="dropdown-menu">9 w. B0 Z! I$ ?( b% {; k
- <li class="dropdown-menu-item">8 v4 q# t ^' y V* m5 V
- <a href="#">Dropdown Item 1</a>, l- @2 F+ |, w! ^. l
- </li>
- S3 ], |( H; v) h& w- p6 ] Z - <li class="dropdown-menu-item">
& s3 h ^# q. g6 i" \9 x& d/ k6 A - <a href="#">Dropdown Item 2</a>" X8 i# u7 l9 y% W
- </li>: G5 a5 C9 f. f6 |" J! \: p% _# V
- <li class="dropdown-menu-item">
. D- y) x" E2 ^' J/ O! E0 I - <a href="#">Dropdown Item 3</a># I. ^. c' m; Y- t ?3 l: r
- </li>/ W0 j% e9 W l1 q1 m3 E: D
- </ul>7 i% C( j3 R; O0 }% n
- </li>
- L- U4 u2 i w. M( k0 C - </ul># ~- G) R9 b% e; T" \( q2 h+ l) g
- </div>
复制代码对应的CSS代码如下: - .nav-container {
2 ]/ {$ x0 R8 H i4 E7 ? - background-color: #fff;
' P& i2 U( \. g' a - border-radius: 4px;, n8 M( C9 Z! S. `4 ?* S
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);0 a" Q8 P7 W& ^& M
- padding: 1em;
' n6 E2 Y4 b" d8 N - border: 1px solid #eee;
' k- Q! m* t! V - display: block;5 m8 |+ n) T7 h6 {9 z4 k; j6 r( r
- max-width: 400px;! d3 c7 p+ `% A" c/ G% h0 r
- margin: 0 auto;: G* O# \8 b3 i, M0 k
- text-align: center;
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- ul,
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- list-style: none;
O. K( U3 f3 G- F8 t! e - -webkit-padding-start: 0;
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- a {( q6 F0 ~9 h- q) p7 r# Q5 ?! b
- text-decoration: none;
1 P! r; ]# B, _ - color: #ED3E44;
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- .nav-item {
{! k' N4 w! |* c8 X - padding: 1em;
7 L8 ~+ m+ J& `4 F - display: inline;6 D8 l- O' r& Q) y8 P: e- ]9 s
- }1 r! V! x( r# J. |" y7 H
- .nav-item-dropdown {: V, ]' a: ^; h7 F, X! k4 N
- position: relative;0 ^9 c: e" ~7 P5 T. x- R* l c3 E
- }% K5 A' U1 l! L: G
- .nav-item-dropdown:hover > .dropdown-menu {; H4 B2 A7 G& p6 n, t8 P* e
- display: block;
4 j* e: `/ K& g0 C1 G/ ?! i - opacity: 1;
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- .dropdown-trigger {
* O+ j: r# C9 y: u% q# A - position: relative;
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+ D& V5 x: n- Y - .dropdown-trigger:focus + .dropdown-menu {
~# S' R3 p8 X9 n* \7 W$ a - display: block;% N4 U' v) K1 S# C& X0 H
- opacity: 1;1 w) v% `* n( a1 y# K. j
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- .dropdown-trigger::after {# a( P) K2 s2 ?' j$ z7 U' l. K
- content: "›";1 R. s3 m1 G# x: I" A ]3 Y7 H
- position: absolute;, c: V1 C( E# r" D1 Y6 t
- color: #ED3E44;! O! i2 R3 E& n3 D: B
- font-size: 24px;
" F: h* {& v- _ - font-weight: bold;+ U2 M6 J( T: |- M7 w. i4 c
- -webkit-transform: rotate(90deg);
1 p- \! m% k& _' N - transform: rotate(90deg);
5 b/ A f3 z3 g. _ - top: -5px;
& @' D1 K& V2 @+ o - right: -15px;
+ D7 r$ v) q$ C - }9 j4 p4 W3 n0 P0 T# e
- .dropdown-menu {
+ v5 \& m) n1 P; g/ k( _% u3 E - background-color: #ED3E44;
% h" ` X4 Z; ~) G- M1 y) W8 z7 D - display: inline-block;
' b, I |# t& I - text-align: right;
- `7 t+ Z1 P- a" R' { - position: absolute;2 W4 l# e! {9 o" F* r, B
- top: 2.5rem;. G. z: v1 R4 }" i
- right: -10px;/ I1 F6 L! L' `8 `
- display: none;
* `7 x7 L( z6 N: \# V$ I9 c" G - opacity: 0;" C2 e/ l( ^5 ~) B, b
- -webkit-transition: opacity 0.5s ease; p0 R/ ]$ b2 [& F4 L9 K
- transition: opacity 0.5s ease;
3 z/ ^0 i$ a. w5 ^# A% }4 {. s - width: 160px;0 x0 G; J1 p- T0 M( {
- }
5 G0 L& l3 T) }2 X7 `3 X- b - .dropdown-menu a {
3 R! r0 e7 W6 S; [* C8 `( D7 d - color: #fff;
/ }+ w1 o5 R x1 M$ X5 o: w# B* W - }
$ q9 n5 I, j, f) ]5 C. F& l - .dropdown-menu-item {8 D. P5 g6 q: M* |$ ^$ K
- cursor: pointer;
* j7 m1 [) m% F6 N: s# v/ y - padding: 1em;, X8 J' a" Y+ U- D3 I- b9 _) e
- text-align: center;" d9 r8 h4 d2 ~5 ]4 b
- }
2 J; a" w1 b$ k u - .dropdown-menu-item:hover {
% h$ q& v& w7 O/ d X - background-color: #eb272d;/ Q, Y" L! q% u9 ^, o
- }
复制代码
% u# x& L( T6 }0 C/ j! `可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">; V* X, j* N3 Z- Y4 f/ z
- <!-- Checkbox toggle -->' W3 W; X7 {7 p" q
- <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">3 i, ~/ ^% X. b9 h" q; J
- <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>
8 {; M2 n! o6 [& j% |+ p - <!-- Content to toggle from www.mfbuluo.com-->' W& \7 I2 r! C
- <div role="toggle" class="toggle-content">
; m8 ?! e, k; x - BA-NA-NA-NA!5 Y G7 v, \% Y2 N
- </div>
/ H Z, v2 `7 I+ I' @ - </div>
复制代码CSS代码内容如下: - .toggle {
5 f B: }# l- n1 d; A$ I' E6 } - margin: 0 auto;
8 A% V! _4 ^7 P" g; o0 W) ^ - max-width: 400px;
4 ?1 r0 O6 Z: [9 v" s1 F# `/ A - }
- h7 g8 X$ r+ v% t2 { - .toggle-label {. w) b- `) ^3 I* t B
- font-size: 16px;" P; y E/ _. u' @) J, o4 j, b
- background: #fff;
- o+ g, @/ z: y6 d' S3 X8 G - padding: 1em;
( }2 Z) X! ^2 u) E. z9 G' d - cursor: pointer;' Y) E% J) X0 T& A( J
- display: block;9 e: U- K, F: m: L/ J' S9 S
- margin: 0 auto 1em;
8 `, Z1 o8 o5 _ - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);( f8 n/ o8 q, v! _8 E
- border-radius: 4px;5 l- H4 ]% z4 e! F% w: x
- }' H$ s) @: N* G3 G# j" C1 M( Y& _
- .toggle-label:after {8 n; h9 \; k$ z4 d
- color: #ED3E44;
' L0 q- U% a) p, u u, Y) z - content: "+";
6 a0 P+ k& E- a, w8 O6 r) D - float: right;
. K4 v q: n& m' U. d3 q# I; m1 L - font-weight: bold;
. p( h5 P) H& U% S" ~. ?/ t - }
0 X6 m- H' r6 H+ N+ m3 O/ v1 \; W - .toggle-content {
: Y9 L5 _0 u; b - color: #B0B3C2;
# w) \5 Y& f/ G D, d# z - font-family: monospace;
# u7 _" R+ j Z4 j2 u2 _ - font-size: 16px;, F$ }2 I0 B1 L1 M" I) u
- margin-bottom: 1.5em;
4 B9 T% V. F# V/ f4 D - padding: 1em;
; x6 l R% Z9 a9 N+ d - }
% N7 U: d7 m6 H( | - .toggle-input {
$ D% P9 ?1 b8 X/ d - display: none;
0 H- j1 v6 }9 n9 ]( ]* h) l: s - }
! d" n' r0 y% R8 q! \- r+ f' n - .toggle-input:not(checked) ~ .toggle-content {
( v% ?6 z, @' { - display: none;" ]' J& D; i+ [. E2 a: r0 h h
- }" { G: `4 R' M! N
- .toggle-input:checked ~ .toggle-content {
( G9 I$ x. Q! H0 b. X' } - display: block;3 Z! Y: Y0 I* Z: [) P- R. h
- }4 V7 G. @( I' X2 o( E7 Z" y
- .toggle-input:checked ~ .toggle-label:after {" [7 g+ }5 U2 x, x3 K9 T% R
- content: "-";
; M: _7 k% V `1 d4 V - }
复制代码 & t. _; k- M9 n$ e
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