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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!">8 D; m0 X, }5 W- ]( v$ o O
- Label for your tooltip
! ^# \$ [, z1 v- L* ~+ O - </span>
复制代码CSS代码: - .tooltip-toggle {) K$ [# e. E _0 Y* o- `1 Q
- cursor: pointer;8 Q/ S, ]# B1 S" {- [
- position: relative;
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- .tooltip-toggle svg {
, Z$ s& |% Z8 { - height: 18px;
' v! c- J4 h9 {' y' _ i) t! p - width: 18px;9 U8 n8 l9 y# [/ T7 |& P
- padding-right: 0.5rem;6 c- _- r6 D' A
- }
7 e; B: s- X$ n( E - .tooltip-toggle::before {
6 z" b# |- U& Y- g$ y - position: absolute;
M4 [; a& H! s* w5 `' z3 B0 S - top: -80px;
+ F2 G0 l i ^3 ]7 v - left: -80px;
4 N Y) }% z7 F8 m: r0 S - background-color: #2B222A;
7 o) [7 T4 h- C/ ?7 [ - border-radius: 5px;
5 ]& H7 ~6 F& o" [6 a - color: #fff;
7 b1 G' A) a8 a$ n/ t - content: attr(data-tooltip);2 K8 v6 ?5 a% G% ~' S9 n& ?( t( L
- padding: 1rem;& f; X' _4 W1 c7 I3 y+ l. K$ N
- text-transform: none;
. j; y- o9 M* n M9 A( \* x: _( E$ n - -webkit-transition: all 0.5s ease;
+ D. ]5 n* v3 ^3 ?: g/ ~7 _3 j- J2 s - transition: all 0.5s ease;2 c# h; O( s* X1 N9 L0 N+ w0 w+ @
- width: 160px;
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- `% ~( @5 @6 Y7 q) h0 p0 n - .tooltip-toggle::after {3 J+ o. d8 e; J+ {" P
- position: absolute;
0 J. E& x9 Z/ v - top: -12px;( P7 o* a1 f C6 x" c' k1 H
- left: 9px;1 v. }6 w0 Q- l* C/ n
- border-left: 5px solid transparent;: p. a* `( |; B5 t6 F1 c+ V& p8 I3 V
- border-right: 5px solid transparent;
5 p, S) @& C( E7 A& Y. x - border-top: 5px solid #2B222A;
4 {+ w4 s- h7 A- |7 |' j+ I - content: " ";8 a! A# x$ A3 Y
- font-size: 0;
, |- w6 Z% i; _* a7 H8 ]" j: x5 _4 o - line-height: 0;
0 Y u/ v% ]4 u& R% t& i2 T - margin-left: -5px;
; H* x) z1 n) q/ p - width: 0;! w0 n: w" B/ U* b4 x* D
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- .tooltip-toggle::before, .tooltip-toggle::after {
! R. p1 A) n7 A9 R5 n6 m5 h5 r - color: #efefef;6 Z8 B8 c4 N$ h8 o
- font-family: monospace;2 Y5 ^; _" J5 }& t
- font-size: 16px;. I3 m6 l5 m1 a) I
- opacity: 0;
: G% W1 o e' \& b3 y - pointer-events: none;% {0 W4 t) X4 M
- text-align: center;0 o, ~9 I2 s2 U* l" M" |. j
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- .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {4 z+ T/ I! |, N, l1 A
- opacity: 1;
6 D! b, N, ~& a3 u% z% h - -webkit-transition: all 0.75s ease;/ }0 z/ B# c% t1 }: ]
- transition: all 0.75s ease;/ O: I+ o: J' ~( P5 g
- }
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">: r1 S1 E+ Y% A" {8 }# h4 D
- <ul class="nav-items">; S( C& P2 j- R: K I9 R
- <!-- Navigation -->
' z# ^9 w7 Q* r* d - <li class="nav-item"><a href="#">Home</a></li>
4 w5 b; T/ O( X! Y - <li class="nav-item"><a href="#">About</a></li>: I. D5 F z) X$ L/ H& v d
- <li class="nav-item"><a href="#">Contact</a></li>4 Z) [) z* l0 G& F
- <!-- Dropdown menu -->+ @* C7 V! b! ?# c% A/ h+ j
- <li class="nav-item nav-item-dropdown">! x& R5 {$ @6 J7 h
- <a class="dropdown-trigger" href="#">Settings</a>
6 b4 ]) j& G6 K4 P$ \# G - <ul class="dropdown-menu">/ U) w! l. o- F( k9 L% Y7 ^4 _, a
- <li class="dropdown-menu-item">" l% @* Z. T- r7 q
- <a href="#">Dropdown Item 1</a>) H e) M m8 G) J0 F
- </li>
2 w; p6 I- w* i# i- V - <li class="dropdown-menu-item">
- I, f4 }5 v, w; e0 | - <a href="#">Dropdown Item 2</a>
: f; r. m% n* e* U7 Y8 v! D - </li>8 ]- \/ U: D" B
- <li class="dropdown-menu-item">
5 Q9 V% \1 ~; q8 b - <a href="#">Dropdown Item 3</a>$ o! O6 Y2 u" c/ x
- </li>0 a# p, V+ |: X1 W
- </ul>
8 P" m; L, V: Y* m7 ]2 X - </li>! w! Y& v, q0 @& J$ G/ ]
- </ul>9 I1 y6 f' U; b- H# c9 T
- </div>
复制代码对应的CSS代码如下: - .nav-container {, s5 K8 Z9 f# b; B
- background-color: #fff;0 y! h7 u- m2 j5 E1 z% b4 s
- border-radius: 4px;+ @( Q/ s6 t4 m
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
9 S: F1 N; S. m9 t - padding: 1em;1 F! m8 {9 T& h4 b
- border: 1px solid #eee;7 _& x1 o5 `5 t# T0 g
- display: block;* w, ~5 d8 z5 v3 {4 j W7 Z M5 X9 q5 I
- max-width: 400px;
2 @- C/ @( }& m# \! m - margin: 0 auto;. |2 M4 R* I, _ C3 p
- text-align: center;
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- list-style: none;# E8 v% P; B& _: n i( W9 [2 {
- -webkit-padding-start: 0;% m% C k. i: R
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- a {
* o% Q' N" A# A J$ W& a! p - text-decoration: none;
" a$ Q& j) v, y - color: #ED3E44;
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- .nav-item {) V8 i& `( ^/ l5 |5 P g4 [
- padding: 1em; {5 ?7 m6 Q8 x5 y3 L
- display: inline;
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- .nav-item-dropdown {
0 z4 R2 ^5 D: @ - position: relative;
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- .nav-item-dropdown:hover > .dropdown-menu {
+ i8 R$ z! p8 B - display: block;. }- ]( L' ^1 l* K h9 ~5 n0 b! ^
- opacity: 1; g) @5 j4 A. A
- }
1 p$ N; r2 X0 c6 [+ W - .dropdown-trigger {
! G4 \6 \$ w8 N" @, k2 V! O( S - position: relative;0 d8 n" B7 ]1 h7 L; v
- }9 Y; l0 Q; F" J2 `
- .dropdown-trigger:focus + .dropdown-menu {& W" x' U# M5 t: ~
- display: block;" y4 U3 ?- p$ G( J0 W1 z+ M
- opacity: 1;
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- .dropdown-trigger::after {2 z C' @1 U- V/ F
- content: "›";. k8 Y1 U6 L) N3 r3 k$ h1 J
- position: absolute; ]0 ]1 s& R( A" g7 k9 i; m
- color: #ED3E44;' l+ J2 m7 k P" W/ T8 h
- font-size: 24px;
+ t/ h8 ]% J F& C1 ] - font-weight: bold;
}7 ^# q9 v# S' J; A# a4 V% P - -webkit-transform: rotate(90deg);, G! x4 m' ?9 ]% X: m' l. I1 n
- transform: rotate(90deg);9 d& g4 \) G/ V; p
- top: -5px;. ]6 t2 ^- |" @+ G/ T7 P+ W& D
- right: -15px;
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- .dropdown-menu {
) m- Q7 y9 C" m9 P/ V& F; Y( N - background-color: #ED3E44;
+ f5 n3 d7 U# }1 | - display: inline-block;
' ^% j" W0 r& r! C: x8 { - text-align: right;, ~ `8 R* K5 h* e
- position: absolute;. p0 i' A+ v" d" K6 I) ]
- top: 2.5rem;
* \6 E3 L& H9 _ l - right: -10px;
) K9 S( Y/ Y6 {8 ] - display: none;( N/ W: H- y, x" _# [
- opacity: 0;2 [; V! U5 v7 F; {- y \+ w6 R
- -webkit-transition: opacity 0.5s ease;3 D% A& `3 M) w1 S: |# K
- transition: opacity 0.5s ease; G( S' j% m' W4 ^1 J. Q' Q
- width: 160px;; E. ?7 G1 w) {# M
- }
! G2 g+ X! C& Y, t( C& Z. S# D - .dropdown-menu a {
' u* r5 g* c1 Q9 H, y - color: #fff;
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- .dropdown-menu-item {
5 V5 O! b: \5 ~) i - cursor: pointer;
, m7 X, L7 l$ L+ l y" Y" r - padding: 1em;( G' i" v/ g8 C# c" |; y9 e
- text-align: center;
6 r: c; y7 |$ X4 O - }
: @1 l) v4 i1 q' N0 g2 B* R - .dropdown-menu-item:hover {
, G$ i! r2 T4 @1 s6 y4 ?8 ]5 ^ - background-color: #eb272d;/ i6 ~' Q- a& B/ f# v o
- }
复制代码 9 M1 Z' K7 V8 G6 ^" s8 b9 D
可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">0 k& V V" S! s7 D9 R
- <!-- Checkbox toggle -->
0 e% Y4 v% e& m6 D/ b K - <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">
3 r( G0 V$ N+ |" _ - <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>
6 [& {: q' ?! X+ { - <!-- Content to toggle from www.mfbuluo.com-->
9 t2 b2 V# Y: t- \9 l' Z8 Z7 ~$ x - <div role="toggle" class="toggle-content">
: @- M, O% Q# k5 T( ?8 k8 M - BA-NA-NA-NA!; d5 m' v& r# E# s+ l% F' r+ x
- </div># i: s6 t2 z. t0 ^6 J! e
- </div>
复制代码CSS代码内容如下: - .toggle {
$ @1 O3 a; p! `' B( a - margin: 0 auto;" w" O. [0 n. b8 C b
- max-width: 400px;
* p1 e5 [' R- h6 T' ` - }
6 d* @! X. s: e6 {& p& z - .toggle-label {( E9 \, q* W, `* t
- font-size: 16px;
" c* n4 b' v4 ^( ?+ v - background: #fff;" F# G" U% y8 q L& B" S
- padding: 1em;
6 |1 h- @- K- f" V( q5 K, o - cursor: pointer;
5 u- V/ u- ]2 X; Y9 @7 G1 C - display: block;
! o! W( N* `6 e5 F+ z( J. D, P/ j - margin: 0 auto 1em;
/ U! H+ Q3 G* m9 ~$ y. r2 {, T) t - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);4 a; k8 i" L; G3 H( X
- border-radius: 4px;
5 l( I) y- ]7 F# m8 u; T) ] - }. `; P. c O* }. _
- .toggle-label:after {1 \/ Y. ?( K7 ?1 G! d$ O
- color: #ED3E44;$ V6 ~9 I9 K- L0 ?+ _0 O
- content: "+";
( s1 z- E+ w' J - float: right;
. \' Z( \+ b5 { n$ ~8 {8 X U - font-weight: bold;
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- .toggle-content {; y- N, w9 J: Q! [4 P
- color: #B0B3C2;
- |. G1 t8 O u" n2 j8 h - font-family: monospace;
! y, p2 }/ a* b* z: O, F T - font-size: 16px;
, v. a8 Z; m8 T, T9 m- ~6 d/ O+ C - margin-bottom: 1.5em;
$ [/ S" O+ ~8 P s8 p9 ` - padding: 1em;
9 K: V' u4 o' W, l - }
& Y& d* G$ S& A8 m/ V: S+ B W6 ] - .toggle-input {
+ K/ T w& b+ r- S/ x t$ y - display: none;
) l; D/ t" Q6 I# _' f6 `% f$ y7 y - }
2 u4 r$ K; s7 J7 O, g1 ] - .toggle-input:not(checked) ~ .toggle-content {
0 G$ y k, J6 I" r o, m- \1 L2 F* n - display: none;
2 G4 X# ~! T/ v* d; U% s! t% { - }
9 Y. R' Q0 R; }% @ - .toggle-input:checked ~ .toggle-content {
! B# E& a: l# g; K. y& k - display: block;
! B! m; P7 \2 T4 ~5 U - }& B4 U1 a" d$ S* k, A
- .toggle-input:checked ~ .toggle-label:after {9 l, m3 Z) S/ e1 v
- content: "-";
2 d& m4 ~8 t1 c8 S2 V% t" V - }
复制代码
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