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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!">, k+ V1 N/ L6 H: Y5 M
- Label for your tooltip* s B. M$ I! r0 W, K& f) D
- </span>
复制代码CSS代码: - .tooltip-toggle { g" I/ W4 X, l( S1 T7 s
- cursor: pointer;, u2 y' e# N8 |0 @0 }5 E
- position: relative;* Q; |" b' G! y! n7 p- q+ ]
- }
6 [# z% |* T# a% |" G6 G+ U - .tooltip-toggle svg {
8 Q1 t( u; u% [0 X* b9 U5 e& S - height: 18px;3 T" T+ E n: S% R% b
- width: 18px;8 F7 d% e* L0 R {
- padding-right: 0.5rem;; R: P- `* \. Z3 I3 {
- }; H; G. w. |' J! M$ W
- .tooltip-toggle::before {, _/ i6 y. F! N! e5 R' F$ o
- position: absolute;! C" C4 ]5 P/ L4 g* t, E
- top: -80px;
( n1 @+ L- B% k" F Y! A- z! S( o - left: -80px;# R c, t$ d. U8 Q( _
- background-color: #2B222A;
- D3 X( i0 v+ H* A0 @ - border-radius: 5px;
7 s& V( P \# ]4 k* {# X$ o - color: #fff;
$ Q. e, S* b! M - content: attr(data-tooltip);
5 x* I( |3 q. a8 m - padding: 1rem;
$ `% ?1 W1 S c0 E - text-transform: none;% E3 {3 h: R4 _4 j( @* B; h: l7 p. X2 I
- -webkit-transition: all 0.5s ease;& E9 P: j; j$ H ~
- transition: all 0.5s ease;% W0 f4 Z2 z# C% x9 m4 ~
- width: 160px;
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- .tooltip-toggle::after {+ y1 G/ e4 O* ^& M
- position: absolute;* l0 O% S& \$ o- C% J" ^/ W" I
- top: -12px;
6 l" C5 \$ [4 R% \) D7 V, ] - left: 9px;+ A: u/ G. b& Y$ K F1 T
- border-left: 5px solid transparent;8 s& T! ]$ j* f" c e8 i+ ]% o
- border-right: 5px solid transparent;- e$ G" x0 S7 e: _. }% V
- border-top: 5px solid #2B222A;
: @) p! I: [; U% ~, A - content: " ";6 q' b* j% k% C8 y7 j
- font-size: 0;+ }, m/ S; J: e' E% S
- line-height: 0;9 E D+ h* ^' z1 L+ f" e1 r
- margin-left: -5px;6 P3 p$ M- Y; a+ {
- width: 0;
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- .tooltip-toggle::before, .tooltip-toggle::after {- Z: n, i: S% B9 @% q6 P3 H; O
- color: #efefef;
+ j- K) p r+ {' ]; { - font-family: monospace;1 v) K$ V; Q2 ^' ^1 B
- font-size: 16px;. J9 G" o) K$ e+ B5 h
- opacity: 0;' ~+ ~" J! }( f+ n5 A- [; w
- pointer-events: none;9 D6 d6 d! b. f; c* u7 E
- text-align: center;& ]1 S0 {& O. N2 R1 X' [& X
- }
- M6 }2 G% L1 U' Q; M0 C - .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {! `+ t& E& p* ]( a& B9 O
- opacity: 1;
0 E) x3 [; k a1 |# V - -webkit-transition: all 0.75s ease;1 H* A2 i/ W3 f1 \* t
- transition: all 0.75s ease;0 P1 z4 h5 B# X+ v3 K
- }
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">$ o, m; d; o3 v* ~+ p# j9 H
- <ul class="nav-items">
) _6 e2 p5 J2 K b" S - <!-- Navigation -->
5 W0 H- T5 X3 I8 T( u4 l& C) _ - <li class="nav-item"><a href="#">Home</a></li>9 g. }( T5 c2 T7 S. X z" U9 _
- <li class="nav-item"><a href="#">About</a></li>
. R( ~! Z5 I& r' W9 V1 c# Y - <li class="nav-item"><a href="#">Contact</a></li>5 S5 G# ?: {; t
- <!-- Dropdown menu -->
0 ~) y5 _% d& Z; y: X, k, f f( u5 {; F - <li class="nav-item nav-item-dropdown">1 P; b( H# h- J; P. Y/ d( n) h. J; r
- <a class="dropdown-trigger" href="#">Settings</a>
( y( U7 G0 }9 V' Y$ _5 {; d - <ul class="dropdown-menu">
1 H7 a# g$ _9 l+ B2 @6 ?$ p( g' \' j9 v - <li class="dropdown-menu-item">
7 F. ~% [7 w9 q: r3 D4 ^ - <a href="#">Dropdown Item 1</a>: q6 w: k2 [- S' P8 P8 r0 a
- </li>$ [1 q3 i: X4 ^; q) e% b9 V% a: ~
- <li class="dropdown-menu-item">: K0 y V& b1 R" n; A
- <a href="#">Dropdown Item 2</a>
/ g" {. f, j$ o) P; S - </li>
% E, b% N+ E( z - <li class="dropdown-menu-item">/ m% Z, _( J9 m; M" F/ j9 w
- <a href="#">Dropdown Item 3</a>
5 }) d" k& K: V: D/ r }2 K - </li>
. H1 ~2 F1 B: c7 o @8 } - </ul>' X2 P6 A% y3 z3 t
- </li>: B$ \, a9 s, U" D4 j: M2 w# k
- </ul>' ~4 c6 w9 Y0 P( \7 f
- </div>
复制代码对应的CSS代码如下: - .nav-container {
1 h$ s) H7 `/ h+ ]" g# e - background-color: #fff;
. m7 ^" V- l) k( ~# t - border-radius: 4px;& N5 O2 @" ~6 v3 J0 f' @- u5 W- r7 f
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
2 g1 E9 [7 I/ I9 n' ^ - padding: 1em;
9 B$ o, Q/ J& ?. i2 A8 t3 }' l - border: 1px solid #eee;
& x3 S g; s+ [$ @' p: | - display: block;
( s: Y7 Q0 Y0 H% X - max-width: 400px;
: s$ N% M/ V7 t* l1 i" `: m* A - margin: 0 auto;
( P- {, `1 T A- b+ b - text-align: center;
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/ F! m; j5 u) x( ~8 ~7 k7 u - li { W' |: V+ M4 d' R# n
- list-style: none;
6 d2 @2 t( m% `" i* w' d - -webkit-padding-start: 0;: z( I3 V/ f! S
- }
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3 ]9 q( e) d! G l7 y- m8 N; h - text-decoration: none;2 S* ^ v+ b5 l0 `1 P( I
- color: #ED3E44;
# h: H* C; b4 ?2 E$ s* l* {" o - }
7 w2 q& i0 v/ A5 T7 c0 O; b7 @9 D - .nav-item {, _1 K& j6 m! a+ @
- padding: 1em;2 I) U4 g* e. u3 G
- display: inline;; J$ w* ~$ Z7 P/ l5 o
- }) M+ N' F _4 }3 a: z. ~, W
- .nav-item-dropdown {
, P( r/ l( ?3 f0 j+ j - position: relative;
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- .nav-item-dropdown:hover > .dropdown-menu {( x5 @6 G& v( z T( V( O
- display: block;
$ S: m$ o3 ?$ B* t0 k: R - opacity: 1;, V0 Z- l/ c/ \" M& X: u* \+ F
- }
1 m) V( b( Z2 l) v: }: y( i - .dropdown-trigger {6 B; b% _- S# a8 \/ f* J% `8 y* }# u& X, @
- position: relative;
: [1 s1 L' S, {. } - }# M3 l; s' [6 t* b! _
- .dropdown-trigger:focus + .dropdown-menu {6 W; T7 b9 T: g# U
- display: block;
' c ?& S2 h& ~& { - opacity: 1;
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7 S# u" @+ N) b) q& L5 M - .dropdown-trigger::after {9 a2 w" Z6 B1 U$ d6 A& V
- content: "›"; A+ h8 S+ ~% _) I7 T9 q& _
- position: absolute;3 ^6 A; V8 r5 F- h# l8 i
- color: #ED3E44;
% l- g! p ]( W# t( t" S4 w" R - font-size: 24px;
; }, Y$ K) F+ g- S! E8 N- Q0 h7 | - font-weight: bold;& B: G3 i/ ]3 j
- -webkit-transform: rotate(90deg);
3 k& L6 B) v: l+ U - transform: rotate(90deg);
3 {! j, [7 T& v5 H" O - top: -5px;
; Y/ G, h( C+ D8 u( C1 c - right: -15px;, T4 ?# _+ A @" Z% A" {0 e9 E# d* S
- }2 {2 S5 {* D; F3 v
- .dropdown-menu {
6 {6 I' ]$ t( y - background-color: #ED3E44;
, M" G, d; {6 L - display: inline-block;
, H$ Z/ L; O3 r- l: ~. \ - text-align: right;
9 Y% k! B7 o$ H& ]. f - position: absolute;
* Z4 }/ @; e) Q - top: 2.5rem;# ^3 q: L- ?' x; H
- right: -10px;
$ Z3 [! N) E1 @: m9 W: y; U5 D - display: none;
7 z) v A @9 m6 u- G - opacity: 0;
% N, c# n6 p$ ?! m; k/ ] - -webkit-transition: opacity 0.5s ease;- l3 y+ E7 {( w/ A( k8 }+ p1 T n
- transition: opacity 0.5s ease;0 S* c2 p, K6 V3 V+ u$ h6 j& o
- width: 160px;1 |2 S3 i: D# d, u9 h6 V, Y
- }9 ^. I" v- q, n, D( t: h+ H+ }
- .dropdown-menu a {
$ A' Q9 X( d$ i, N7 f, O - color: #fff;5 H$ J& n! u% ]* c$ Z8 ~
- }5 x4 e8 Z- M, x. Y2 P
- .dropdown-menu-item {
- c+ Z+ ^! A8 B& ?: \4 D4 n$ m( e - cursor: pointer;3 r3 S+ H5 w) v8 ]* R. p
- padding: 1em;
3 s' n8 ^& y) o6 a0 M* b9 N - text-align: center;
2 j7 E7 `. x5 K! m9 _- ? - }' R+ J7 Y& B! B( K J: ?
- .dropdown-menu-item:hover {
2 X7 E( J# Y+ B) g! r; R% G) ~ - background-color: #eb272d;
( {1 b4 u5 R' D - }
复制代码
1 y. h& D) `3 m2 E8 _" ^( m可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">
9 F/ o( _1 ?' e7 C9 _ - <!-- Checkbox toggle -->4 o7 G; d( J( w4 F8 \& |. F u* \
- <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">! R( F; M* |# i' \4 Y, x- H
- <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>& n% J- F. ?& ~) `" ^) [
- <!-- Content to toggle from www.mfbuluo.com-->+ q$ H/ H( l L& N* |; }
- <div role="toggle" class="toggle-content">
# q6 P# E; d. m+ o4 e - BA-NA-NA-NA!; z" ?/ p% L' I. N
- </div>
" b1 J: p7 P, H - </div>
复制代码CSS代码内容如下: - .toggle {4 l8 I' M% o2 k9 O& e$ D
- margin: 0 auto;
, \% g3 ^" _/ i0 I3 F - max-width: 400px;
9 s1 K- _! H4 h% y' S) ^! ] - }3 c7 Q; M' y4 v9 w2 J7 z" K- a
- .toggle-label {
/ p- x K3 r& U" n( t8 V - font-size: 16px;% \$ f+ s, M4 F' b3 \. B
- background: #fff;
: Y0 n7 j+ _+ ?: @( Y. o - padding: 1em;( n% o( S% G+ ]) K9 \
- cursor: pointer;" s X* ~% Z: C" Y1 I
- display: block;
1 m" `& ~' P* R - margin: 0 auto 1em;- e# m: Q; y# D' g/ j# J
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
$ _) F, A* ^# { - border-radius: 4px;% ~ l$ c: b- X: |+ k% H2 h8 q
- }
5 _3 e- G: S7 O5 {1 x4 S' g: k - .toggle-label:after {+ ]1 I9 a1 \+ k& G
- color: #ED3E44;0 k2 h' v2 {* D n4 }" [5 u6 B
- content: "+";: G' v6 J) q" }8 d
- float: right;
9 P0 f, j7 s4 f! x, W4 U$ c/ \ - font-weight: bold;& i0 l% s$ |/ C% `: v- O
- }
* D2 A( @' `9 ^9 C/ i7 m- i - .toggle-content {( \, m' O6 N% u; e$ q
- color: #B0B3C2;
& p" X& H* O! j# n: C. a5 Q - font-family: monospace;- w8 U+ {" E. R$ p0 c# v1 d
- font-size: 16px;
R1 Z; s# {; O R( J - margin-bottom: 1.5em;
' q, e; k8 d( B2 T. v# Z" w - padding: 1em;
( ^' l1 q3 I# ]2 t6 U" {; k - }
; H& Y$ M9 `& g4 i9 v; C - .toggle-input {
7 p' z" ?6 b$ o - display: none;
0 @* m+ z, W. |- i/ X& g7 r - }
0 c( o h$ P; @$ c1 I$ Z4 e - .toggle-input:not(checked) ~ .toggle-content {; d% }! L, e: w w& V! M0 [
- display: none;
0 X0 |0 Y2 X, A - }+ K$ G2 Z- ^: f. A! w
- .toggle-input:checked ~ .toggle-content {
6 N7 O& ], H5 s+ `# T8 Y - display: block;
2 R9 E j D$ }/ N1 c2 a; z - }
4 L+ J6 A R$ ~4 P E2 J - .toggle-input:checked ~ .toggle-label:after {
6 U: J) y6 V% B; y; K6 w4 D. x- E- z - content: "-";
9 O( Y8 O" z& V4 Z: A - }
复制代码 3 a0 v1 v: Q- C' C
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