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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 t: V! w# R7 p9 L& X
- Label for your tooltip
: j! o( r- s8 G" R& v* K - </span>
复制代码CSS代码: - .tooltip-toggle {+ u0 c6 Y2 h, @5 U; x; G% Z3 D, P
- cursor: pointer;5 C( l0 A( E7 E9 Y! `* i3 v9 Z
- position: relative;, X9 |5 d0 g3 d4 G
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- .tooltip-toggle svg {
7 O( a) H) _8 r - height: 18px;/ M! T9 \. o: g/ c
- width: 18px;4 A" \3 B# k6 @* n3 }; B
- padding-right: 0.5rem;) [' E% k: Q$ D8 B8 W5 U* L, l. {
- }
& Q% _' g* D2 ~" D7 R - .tooltip-toggle::before {! D$ }. U1 o# C
- position: absolute; F' p3 Z+ Y+ r6 g
- top: -80px; W p2 g1 U3 y( d7 B ~
- left: -80px;, ?) Q3 @3 U& R7 l
- background-color: #2B222A;& d% g+ j p J: a1 o5 `5 B2 d
- border-radius: 5px;
0 f+ H2 |/ k! \+ u7 |* V* I - color: #fff;& ~# h/ J `: c z$ a* b8 C
- content: attr(data-tooltip);7 {9 d3 u p! k. i2 P) w# S$ c& Z
- padding: 1rem;2 t" {) N( P& ]( N% t" ^
- text-transform: none;
# s# [) S' C0 i( O - -webkit-transition: all 0.5s ease; s9 S {; S8 I! W
- transition: all 0.5s ease;
" ?4 F7 }, p, l5 i+ t* q - width: 160px;
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0 I T9 d* e2 K) v' d- g$ o+ O - .tooltip-toggle::after {' Y, T5 S' b/ t' T3 a, `
- position: absolute;) @6 d! l) P- D0 C
- top: -12px;
v% B6 y8 K5 n% X - left: 9px;
! d/ R- l. \0 W j9 A5 P' k - border-left: 5px solid transparent;
# a: p3 o2 |! \, Z7 n6 X9 t* M - border-right: 5px solid transparent;$ `. ]* D: N9 |, U, d" r
- border-top: 5px solid #2B222A;0 U* c5 b; k* f/ J% }* j6 V/ W
- content: " ";
. |' s6 k$ v% \! k8 p9 k9 g9 A$ J% N - font-size: 0;
6 V2 G3 U$ I, [ - line-height: 0;; D0 a; b/ q- l- V
- margin-left: -5px; g* R2 |+ i+ \/ \! {" Z; Q7 i
- width: 0;
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- .tooltip-toggle::before, .tooltip-toggle::after {
8 A5 S2 I- B0 L1 \8 h - color: #efefef;
# I& o4 {! K* D, ?& K7 B - font-family: monospace;6 c4 S5 Y2 \, `% W E9 ]
- font-size: 16px;+ d* x8 p, p% o6 }
- opacity: 0;
" `# m! b9 Z" f' g. f - pointer-events: none;( @. ~( z4 p) m R- v+ [
- text-align: center;1 V; A! F8 \& G& S% T
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- .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {
$ H! y5 K' i: s* E. s - opacity: 1;" }( z }6 A) y9 J$ v# v, F
- -webkit-transition: all 0.75s ease;
- ]7 v& [4 b% f, H2 k - transition: all 0.75s ease;' x/ M6 D+ V2 R6 X
- }
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">
) _4 H/ ?. q6 h. ^- v$ N - <ul class="nav-items">
/ G+ z# U) ]2 w. U - <!-- Navigation -->
3 Q: G0 |- S3 A3 D; } - <li class="nav-item"><a href="#">Home</a></li>4 `2 U4 @5 i6 Z4 ?
- <li class="nav-item"><a href="#">About</a></li>
( d C4 A5 h& j9 z: i4 Q - <li class="nav-item"><a href="#">Contact</a></li>; X: Z/ v" Y" R+ k8 k7 F
- <!-- Dropdown menu -->
3 u, n9 u2 I# t3 ?; e8 N - <li class="nav-item nav-item-dropdown">
* c, f7 ] z% k) ?' B, c9 w4 z - <a class="dropdown-trigger" href="#">Settings</a>
' v0 |8 X1 o1 ?* X$ f! m! I. @8 K$ R - <ul class="dropdown-menu">
, ?) @; q# y7 Z& B - <li class="dropdown-menu-item">
3 M# e1 Z+ q4 d) M8 V& A - <a href="#">Dropdown Item 1</a>/ G- z& z) |8 U% j4 `6 o
- </li>
' x* P0 X" v: z6 Q! s* A/ X; E - <li class="dropdown-menu-item">' ^2 H# C+ V1 Z: G
- <a href="#">Dropdown Item 2</a>. `7 @, [1 r- @% V+ Z( T
- </li>
" v9 D* i/ f5 s! V3 \/ n+ K, W - <li class="dropdown-menu-item">" A* K' c T: k0 b# k
- <a href="#">Dropdown Item 3</a># v( E3 J/ I, ?: Z% _
- </li>. A0 P( J1 t1 v' Z$ X+ {1 g
- </ul>
0 D) H% x1 d* W: n0 [9 Y( z - </li>
: ]7 o# d3 g! [9 | - </ul>% ]' t3 q8 V8 r/ ^, i/ ?8 U
- </div>
复制代码对应的CSS代码如下: - .nav-container {
" b! z( H, G9 a6 f - background-color: #fff;* [2 o6 m% B7 [" A+ t' l
- border-radius: 4px;
9 q# V! D% I' B7 ~, W - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);% | v( `% C7 L* O* }! [, u
- padding: 1em;2 y& s3 I% }& Z' w h2 M
- border: 1px solid #eee;
7 q' h/ Q( p& u9 m9 O; ~6 W - display: block;
. b4 p( b. w# D" r6 o - max-width: 400px;
/ i2 |$ _ h0 {( [ u, o' { - margin: 0 auto;
' v# J8 f3 p+ T# Y, C' y. M - text-align: center;
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- ul,
) e5 J0 U. U; H. Y+ L# E - li {
$ A; g7 V& o. L) j7 K - list-style: none;
: r! W( E' a- w: S- i - -webkit-padding-start: 0;/ n h5 r/ g( x: R% S# [& j
- }+ q* i. k9 e2 B" h* X3 o6 b9 Z
- a {
* W9 I/ ?2 V3 t3 L! }. } - text-decoration: none;
* t7 G [' m- S7 U - color: #ED3E44;
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- .nav-item {
* B8 k6 j5 D! @( `# L5 J - padding: 1em;, I9 a5 W; ~. n, n: r4 M, R# H
- display: inline;' Y5 B" n' k5 t6 ^. Q; Z& K0 F0 Z
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- .nav-item-dropdown {! E4 E3 W: G' b5 g! @" |; ~6 {
- position: relative; }6 q9 c7 ^% |$ v9 F) | U
- }! o5 g3 H, }8 W( S) x& @; X
- .nav-item-dropdown:hover > .dropdown-menu {
' ~. M6 @) y4 ^( t5 D7 B Z# [ - display: block;
: x/ T, t0 a9 O( A - opacity: 1;% Q' A: d! k( _; n, I& o. n
- }
2 }$ H% \% C5 h/ R9 S - .dropdown-trigger {
8 F1 y% e/ N* @ U* u - position: relative;
6 Q& Q. H9 f+ d3 C9 F8 c. n - }
6 W7 ], E1 U4 e& @" ]) d& @# h8 w - .dropdown-trigger:focus + .dropdown-menu {
- [- l- f3 o: ^ - display: block;
# W8 n: f, p1 K% J1 ?$ G ? - opacity: 1;: ?. N2 t2 ^! t: I1 H
- }
# N& x! R S; u% M - .dropdown-trigger::after {- M- z2 F* d& q }
- content: "›";
% y$ v) {$ ]' ~; _1 R) F - position: absolute;% Y5 K; b# o$ V- G, h- N! r
- color: #ED3E44;
2 j7 f9 I/ V4 ^' k- v& ^! Q* } - font-size: 24px;
; G# E( W5 O7 b6 q+ N - font-weight: bold;
6 c2 Q; _. _1 B+ W* h. R - -webkit-transform: rotate(90deg);
" {. n: r) D9 R1 I, E+ } - transform: rotate(90deg);
* h3 S! s* X* ~2 U0 L - top: -5px;
6 g; v8 d* Z+ G$ K# M+ _: P - right: -15px;" ^6 i5 s& m/ S, Y
- }4 y5 {# a! F# U& @; B: `" C
- .dropdown-menu {
" P8 N( `& N( O) E8 k* P - background-color: #ED3E44;; \4 y9 J2 k/ N7 @* {/ q
- display: inline-block;
" D2 T/ d$ ?, l9 }# q% P - text-align: right;
$ N9 E8 S& c+ o, p - position: absolute;
/ c# a Q7 `: a( U- ^" W - top: 2.5rem;
1 b6 Y1 G( y. p0 G: L2 ~% ~ y - right: -10px;+ G- C: F/ L- c( V
- display: none;
* A* D2 {8 a5 v$ X - opacity: 0;( a1 i6 {8 G- \) m* \" z% L5 L
- -webkit-transition: opacity 0.5s ease;
3 G/ C( d6 n1 v5 G2 P( i! R - transition: opacity 0.5s ease;
& d b4 Y+ `& F6 }9 U4 y9 {0 e - width: 160px;" L$ C% N7 g" W: t# a2 V
- }3 C5 h$ H1 {$ @+ ]; c
- .dropdown-menu a {
% p: R! U2 U8 J4 _+ E$ f - color: #fff;1 @" A+ U9 z7 o2 g& E
- }
" s# l/ e3 d3 q% M8 m - .dropdown-menu-item {2 I* l5 o/ S& A# h9 b" m* W
- cursor: pointer;8 B; N" K. ~: Z) ^2 T
- padding: 1em;; u& h9 \( c1 I4 g
- text-align: center;
2 e4 F; w! D0 M# u c' Z# x8 T7 M - }
7 n, x" c8 o" I3 C! n; a - .dropdown-menu-item:hover {
( m7 U5 o5 F% n# Q: | - background-color: #eb272d;
1 e- N# [9 O# m. Y' K - }
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可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">
, T: S+ w9 o- U9 d9 U' C - <!-- Checkbox toggle -->
( a' K' B/ m! ~. v. \ - <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">
( ^" C# O d# f) @3 ^7 G - <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>9 ]* U2 j l$ m' g; `+ K" b3 v' S
- <!-- Content to toggle from www.mfbuluo.com-->
! b5 l- I9 w& K8 k1 u1 A) x4 L$ |) g - <div role="toggle" class="toggle-content">7 W$ O" t& Q; k9 d
- BA-NA-NA-NA!% ^8 k3 m& i7 V: P
- </div># ~3 k' C9 E/ ^( g" B5 m% r
- </div>
复制代码CSS代码内容如下: - .toggle {9 h% A9 E% A3 x5 ~- e6 l
- margin: 0 auto;
& u) j$ ]1 Z* S5 M - max-width: 400px;* \; Y$ Z# I8 y, I; S2 F
- }- ~/ n: K' a6 B* J/ _" T8 L& Z9 k4 J) f6 K
- .toggle-label {% W2 c" ^$ l5 ^$ x2 J
- font-size: 16px;
6 G2 K; n' ]4 x* ? - background: #fff;) h3 r0 o& e8 V
- padding: 1em;
2 {( S( @9 E2 e8 u$ J8 I L" `8 I$ g - cursor: pointer;
! } J4 \9 X4 D1 } - display: block;; R+ P9 l) |2 ^! o0 F( b% E) \
- margin: 0 auto 1em;, E! i0 P9 U! w" g: A- `* [9 V
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
" l1 n! W! y y) [. K# p( d - border-radius: 4px;3 { Q( n, {5 Y& v
- }1 \- B6 |3 E; y7 s8 ^
- .toggle-label:after {5 h$ P3 f6 L6 m/ `# k* m8 ^
- color: #ED3E44;
/ @ b! F4 X; E - content: "+";
; w0 H" L4 `0 O; D6 \2 K7 Z - float: right;
" g5 h) S4 u" f. |, t) } - font-weight: bold;
x3 L7 W$ s+ d2 Q) o - }: k* K% v4 t3 x1 v5 z! P9 M# ^
- .toggle-content {. I2 M% C4 @+ A5 m
- color: #B0B3C2;4 I" Y. W% l6 R
- font-family: monospace;" _3 x6 `8 \/ f9 Y$ o
- font-size: 16px;5 f6 W$ r3 y1 t0 X* U& v% G2 [: H
- margin-bottom: 1.5em;
) h9 m0 W/ T: P7 ` - padding: 1em;
* M. m) {) |. R6 y - }
2 |. Q. z6 g7 \) |7 j6 {* Y - .toggle-input {4 n0 J" t' X$ k4 v
- display: none;
( {. f- r: c$ {; v/ } - }
: p4 P! Z# a' W) K" j! M% ^ U - .toggle-input:not(checked) ~ .toggle-content {
8 n2 l, ]+ P/ H8 m: k/ Y - display: none;
9 ?& V( U7 C$ p. G% C8 ?6 j4 D - }
! r9 O! ^, e' ]; l ]% f; D, j - .toggle-input:checked ~ .toggle-content {' Y. [) L$ t; c \
- display: block;: i, a- I1 A+ C7 F5 W
- } m3 E: _* j ]: W0 U
- .toggle-input:checked ~ .toggle-label:after {' {! t# X* V5 d; Z9 `2 x7 c2 C- R
- content: "-";( K3 `: l. Z9 `+ S3 H7 u
- }
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