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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!">( T: K8 T- b6 a: X
- Label for your tooltip$ u7 o% O. n0 x& `! ~9 ^: E5 o
- </span>
复制代码CSS代码: - .tooltip-toggle {( S& t: ^: O! E. f) [
- cursor: pointer;3 L7 U9 h. g! H
- position: relative;- p/ X* S; f/ ^
- }$ u4 L, n u5 }. G* W$ x* w
- .tooltip-toggle svg {' B4 W! Q' v# }0 }3 y; d2 Q
- height: 18px;
/ ~3 d! t/ K& V' t9 V& G6 |* ]+ U - width: 18px;8 m1 ]( V, a O7 |1 B: R
- padding-right: 0.5rem;
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- .tooltip-toggle::before {- ^0 R; i0 h. ]: K0 g3 t8 Y% @
- position: absolute;
6 s @. a, O" _ - top: -80px;
3 Z. [4 A' F- S4 C: E5 J( n; x5 p q - left: -80px;
* g; n8 P8 h& k9 I( R; i( R - background-color: #2B222A;0 A/ L5 u6 X [8 I2 s8 U$ x8 `
- border-radius: 5px;/ W( x+ m' a8 C& y
- color: #fff;! S' M' V9 y7 N- X; U
- content: attr(data-tooltip);2 H+ k" c3 o4 W0 Z9 f u
- padding: 1rem;2 @0 b/ M( {$ J1 }* M
- text-transform: none;7 n1 C! i* p0 N6 n$ `8 ]
- -webkit-transition: all 0.5s ease;" L+ |- M1 G x: p2 q
- transition: all 0.5s ease;) }3 S$ w4 o) }5 W& F4 q
- width: 160px;
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- .tooltip-toggle::after {
, ?8 O9 C) X$ d k - position: absolute;' X' s% N( G( X- L
- top: -12px;
1 U3 s" [2 u% Y* A - left: 9px;
5 b6 L& o+ }: z - border-left: 5px solid transparent;
1 M) K6 r8 } v: L/ i/ l' C - border-right: 5px solid transparent;
e6 m6 y0 i# _( c# z8 r9 j) } - border-top: 5px solid #2B222A;
8 X' t. g/ X( E; q. Z- G - content: " ";0 }+ Q: Q) j6 `, z
- font-size: 0;- e9 r' ^! B- d& E
- line-height: 0;
6 x( l4 n& R% B+ P - margin-left: -5px;
9 R: e5 {/ d! q - width: 0;% n2 `2 c2 ]1 v
- }
8 T* l& I, H9 J# o( T - .tooltip-toggle::before, .tooltip-toggle::after {
. c* n% k+ s6 h0 E5 B- w' c - color: #efefef; b. C& \+ m4 ~ U" e4 Q8 ]) m
- font-family: monospace;* P7 Y+ U, j8 u* m( S+ q; }
- font-size: 16px;& ]- A' H+ ]( {. Z9 w! f& m$ t
- opacity: 0;
7 |* z+ k" p, v+ J - pointer-events: none;
% h! M) B. S5 k( {- F& U, f - text-align: center;
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- .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {
& d0 k7 d _. r/ r& B3 A1 g - opacity: 1;
* U! d c. [3 r$ i- S, X - -webkit-transition: all 0.75s ease;
! u6 ?" P% ?8 {+ P - transition: all 0.75s ease;
( [$ Y! p' f/ C. Z4 q - }
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">" j3 {* p3 R/ T5 z0 S7 ]1 B
- <ul class="nav-items">/ t( h! ]+ M- q
- <!-- Navigation -->$ c+ M' R8 @ P' s7 w
- <li class="nav-item"><a href="#">Home</a></li>) s7 [) m- y& \/ K
- <li class="nav-item"><a href="#">About</a></li>" c5 q$ n2 D% ~, K- J8 v& b* ~
- <li class="nav-item"><a href="#">Contact</a></li>
! v% D$ Y7 o+ A8 X" V - <!-- Dropdown menu -->
/ J( G8 B/ h5 i - <li class="nav-item nav-item-dropdown">: X9 R, U/ Y& I, R) J
- <a class="dropdown-trigger" href="#">Settings</a>
$ B# k+ k( x! P/ K - <ul class="dropdown-menu">& a- ]3 @, ]" L- ], u
- <li class="dropdown-menu-item">
* ^4 \1 ~" s* k: t2 X+ {0 A1 I - <a href="#">Dropdown Item 1</a>
9 O1 S% s; Y. O/ j% `5 a - </li>
4 W- y Y, v2 @) Q$ }8 ?# | - <li class="dropdown-menu-item">
! u( d, _7 u! p# r4 l9 T - <a href="#">Dropdown Item 2</a>
0 q% F& \( y8 X+ e' k$ L - </li>
: R" {8 ~: Z; I+ D; H& m& I - <li class="dropdown-menu-item">4 H; D1 p% h$ n* i# w1 Z, P& Z
- <a href="#">Dropdown Item 3</a>. h( V( }' h: V! i7 Z$ b- r7 e& Z1 a
- </li>% r; u6 v" ^$ L {) m/ p! f
- </ul>
' u, F, J1 N+ N" h - </li>
: o2 W4 p( q3 H. ], Z6 n - </ul>
3 t& E* [" w( c3 e( s/ O3 d! \; e" B - </div>
复制代码对应的CSS代码如下: - .nav-container {
: d1 z8 b. g! | - background-color: #fff;
$ r/ g+ O3 Y( y* @7 G- z - border-radius: 4px;
7 o4 u6 H0 ~; `/ R! o - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);' Y# j4 ^1 O& S5 r
- padding: 1em;6 S9 S- v9 q! B, ]9 L9 b
- border: 1px solid #eee;
n9 x1 g9 A: Q( e" }: s - display: block;
+ [% N0 f1 ]/ G! g - max-width: 400px;" t# c3 Y3 z# n) d/ ?/ \: q
- margin: 0 auto;. B* n. {2 q' a" m( B6 l
- text-align: center;
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- li {
M/ W6 W. Q/ M- g/ p3 F - list-style: none;
; [, J0 P( _" k% l4 z! B - -webkit-padding-start: 0;% k. t7 e( @0 v/ ^& B2 k
- } H$ n; f* o( R% x- s1 W6 z9 [( y
- a {
! _7 a. X% e6 W) B4 I - text-decoration: none;/ W! u; }; E( ], A3 U
- color: #ED3E44;
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2 f0 N: j8 q. N - .nav-item {4 H7 e4 h7 u; \# `5 b+ h/ z
- padding: 1em;
, G. i* c4 B7 q - display: inline;3 N. T6 I" f1 d1 _$ ]
- }
}6 G3 ~. s( _ W/ |0 g - .nav-item-dropdown {: Y/ C1 ~* \# n& B6 \4 [
- position: relative;
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- .nav-item-dropdown:hover > .dropdown-menu {
: }- \6 C6 k q% u$ S0 k - display: block;
9 _# \6 b! h" @" S3 |1 E- ~ - opacity: 1;
- A" b3 Q5 R0 \+ {# D- ]* ?" G - }
5 E$ u* Y2 i3 }. u0 C& O3 T5 q% c - .dropdown-trigger {% F' s6 P* \2 r8 A8 }1 X O; k# p* S# O
- position: relative;
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- .dropdown-trigger:focus + .dropdown-menu {, W+ O! U2 N/ n- a+ Q$ s" {+ X! Y+ x
- display: block; {% J0 |1 G! h
- opacity: 1;
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- .dropdown-trigger::after {7 {. P! Q- q/ m& P
- content: "›";
% [4 |6 `( L' Y _ - position: absolute;
) ?7 o$ |" K$ ~9 j - color: #ED3E44;
^ [, q8 C _8 w4 r' L+ X - font-size: 24px;4 }! J8 @4 b7 r N
- font-weight: bold;
' h @8 ]( }! G8 {* _, D - -webkit-transform: rotate(90deg);
2 t% `" I5 w, a9 O' I - transform: rotate(90deg);' L3 T& t. h( G- j: Z/ u9 h% L
- top: -5px;/ q0 E2 U! ^& _3 }
- right: -15px;
4 O: j3 `: e! j1 T9 o - }
" v/ z( v8 B, }+ @! R - .dropdown-menu {
8 l% l8 m: W& O# p5 i - background-color: #ED3E44;
, ^0 }0 x; ~; P( {: j - display: inline-block;9 Y9 Z' Q2 E3 i
- text-align: right;
( v* o* `& j& L - position: absolute;
6 Q% d4 ]! U0 r) b/ m+ T - top: 2.5rem;
) U* R6 E- I0 G/ g2 S* ^ - right: -10px;1 B+ G) ?2 }* H8 `( ^. o
- display: none;/ _2 N: x$ Q/ y5 g
- opacity: 0;
; k/ O/ a6 m. `' C( Q: B - -webkit-transition: opacity 0.5s ease;
, [, G. ?$ ^8 o9 N8 j$ F- c - transition: opacity 0.5s ease; |* j1 w9 @7 b
- width: 160px;
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- .dropdown-menu a {
& W% m* f ?; ]7 Y4 @ - color: #fff;
8 C" g1 S' k( S* x - }
) T" V$ e1 e1 }7 Q8 y - .dropdown-menu-item {) G9 X9 [5 r, I
- cursor: pointer;4 W" v+ Y/ `" f7 ]% C, v" x
- padding: 1em;9 W: Q+ K5 I/ w1 o4 J0 C5 n
- text-align: center;
9 W, o" S+ w2 } - }
' V- M: x/ ~" z- T+ @3 o9 [4 i - .dropdown-menu-item:hover {* [* f) I# U7 r5 N& g* L: J
- background-color: #eb272d;+ Z8 \, s9 s" V) Z" }
- }
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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">
8 N! X9 o7 c; c r3 _/ k! l0 k - <!-- Checkbox toggle -->! S1 h1 `! G5 A( a) q7 [
- <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">
- @" Q, A$ U+ r: B. V - <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>
1 k. G, N3 x6 j3 A( c: \% F1 L7 |" r - <!-- Content to toggle from www.mfbuluo.com-->' Y; r. G) e8 [) ^
- <div role="toggle" class="toggle-content">7 f: k* W, v, \) w' G7 v9 \ q
- BA-NA-NA-NA!
: H. H) k* g% W: i6 V! B6 z4 V9 { - </div>
: }' t( x3 s% G6 F - </div>
复制代码CSS代码内容如下: - .toggle {
3 u: F) b; u+ X0 ^$ L F - margin: 0 auto;: \' b0 d5 h# `& {" Y+ v! W
- max-width: 400px;
* n+ p2 c2 A- _, k7 T w5 C2 T( B. ` O - }
% K3 R' a& D" ?8 ~/ w8 ] - .toggle-label {
% E, l# ~2 J9 k2 c; r" v - font-size: 16px;
8 w3 C3 x r/ V: h& F - background: #fff;
6 g. m. w) r0 k: o! c# P O7 N - padding: 1em;( S1 w$ h4 z. I3 ?" {: w$ M
- cursor: pointer;
! Y' o9 h% C$ Y2 y s& m - display: block;5 N9 E8 [9 r9 W2 @
- margin: 0 auto 1em;
9 c( O) M8 A2 R: U - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
( k3 q- [/ E# M - border-radius: 4px;
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- .toggle-label:after {" `, X7 a! g8 @2 L3 N
- color: #ED3E44;' V6 N* m% P' v1 I; M1 M4 G1 ~# j2 z
- content: "+";
8 \2 N0 d+ U$ f8 | - float: right;
# S8 M+ t* K7 O/ p0 i8 k0 S7 I - font-weight: bold;2 X, r% _) Y6 B
- }
+ x* s/ B% X: z+ ~: a - .toggle-content {/ B+ ?1 S9 ^# p( @% Z
- color: #B0B3C2;- P" B E' g& Y! ^: Z4 a
- font-family: monospace;# n, [# y& a% e+ v% E
- font-size: 16px;: h& S" }& }0 Q3 Q3 b+ L3 g9 X
- margin-bottom: 1.5em;& _5 Q' P3 L. j8 ?4 e, c, Q
- padding: 1em;9 q' X% |, \6 p
- }8 P& g+ K) y9 q7 M, j
- .toggle-input {
3 z- V3 G$ Q2 J I - display: none;& \7 d. r- {% X1 D
- }
, _8 R) F! |+ f1 R - .toggle-input:not(checked) ~ .toggle-content {: O8 ?! w' l9 V
- display: none;
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- .toggle-input:checked ~ .toggle-content {$ o) h+ f" h0 x; t
- display: block;* O$ z; b ]" T8 t& m
- }, O1 J+ ~1 L/ H) C
- .toggle-input:checked ~ .toggle-label:after {
$ r8 t# v" f- l4 ]' O - content: "-";
* R9 G; m$ [: N) B - }
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