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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!"># N" m { m9 o. U
- Label for your tooltip
: A* e) x6 |1 e8 B0 Z6 o( b - </span>
复制代码CSS代码: - .tooltip-toggle {
% o2 X* M* b4 A/ D S3 | - cursor: pointer;
; Y e: S, b- g( Y - position: relative;: U2 P O% \/ \7 R
- }
# S& x6 B) K! H7 j2 O' T2 _: b. P - .tooltip-toggle svg {
! ?+ K5 W7 l- | - height: 18px;
% s; m I0 ] ?1 {* e* d5 |( { - width: 18px;
/ ?% K# G ?0 E* j1 p a/ G - padding-right: 0.5rem;/ k! G- G' _; ?* Y7 m
- }
6 N( Y5 @4 ?& L - .tooltip-toggle::before {
3 p+ T# N3 p2 ]+ K& h - position: absolute;
( ~4 _7 `3 ~, y- `: g6 K - top: -80px;
, ]. S+ T/ m1 \, S1 v - left: -80px;8 i8 ?$ p8 O. [! t% m% k
- background-color: #2B222A;
- s' }7 m/ ~: ?/ K' }# E - border-radius: 5px;- ~6 ~" R, u3 h
- color: #fff;& }+ C% l3 k- L9 w" x; D0 w# X
- content: attr(data-tooltip);
6 C( T2 E8 Y- s) {4 i }) A+ ] - padding: 1rem;
$ ?, ]2 e6 r. f1 V6 u - text-transform: none;
% C' }: x# @( o( ^1 o - -webkit-transition: all 0.5s ease;8 H5 Y3 C, x% X
- transition: all 0.5s ease;
3 {# v' ]& A$ v7 v( d! ?& f/ ^ - width: 160px;" S0 l3 c; J9 C7 X6 g! W
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- .tooltip-toggle::after {
5 v) m4 S2 n2 O; O - position: absolute;# t/ j. ^3 V4 ?$ n5 v
- top: -12px;
$ l# X3 U+ |& s. U6 ~8 X" W - left: 9px;
% H3 I7 a( C3 _ - border-left: 5px solid transparent;/ g+ }, ?7 J2 U) D& T
- border-right: 5px solid transparent;
3 s; ~* R* Q3 S" z# w7 n - border-top: 5px solid #2B222A;
! _$ Q- Y5 k% C - content: " ";% V2 a$ v% d" s' Z
- font-size: 0;
- X2 y' d9 K/ {, a - line-height: 0;4 a" w6 M( g: x H9 h' X
- margin-left: -5px;
. A I, o. g X( r5 ^9 [ - width: 0;
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0 C! w2 P! f7 e; }4 x - .tooltip-toggle::before, .tooltip-toggle::after {8 v2 {, A2 s/ ^. x
- color: #efefef;
; N7 |8 [! \$ n( [ - font-family: monospace;% r4 n6 T; N8 {' T, `( J+ |) V6 K
- font-size: 16px;
/ A: d: c/ [# ], E& }) v - opacity: 0;
9 J6 W3 O; c. R% N2 ~" J - pointer-events: none;& {9 T, \9 J2 l; W, D- w
- text-align: center;
; q$ j( Q S! J6 N9 ? - }
* E& I" m" G( U8 }0 e - .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {
( D2 U* h/ z. c1 _8 b - opacity: 1;
' E- Z( n, k4 [) G( t$ X( X6 v - -webkit-transition: all 0.75s ease;0 k1 M8 g* g% O7 [0 J+ I
- transition: all 0.75s ease;
( `; D) k% U* A" ] - }
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">
. ^9 [) Y9 D4 {5 V4 ^ - <ul class="nav-items">
3 a5 e: A: d: H, a' w" r6 p* V5 s - <!-- Navigation -->
. s# X5 ^- t T3 z; o; [ - <li class="nav-item"><a href="#">Home</a></li>6 `2 G! l2 b) u! F3 f3 i: p7 v: O
- <li class="nav-item"><a href="#">About</a></li>
- E: y1 e7 h0 y+ d; C- i) u - <li class="nav-item"><a href="#">Contact</a></li>) L7 \4 i3 r9 R4 @/ Z9 y
- <!-- Dropdown menu --> y4 Z0 k, ^" u5 v: ~& T: p" l% I
- <li class="nav-item nav-item-dropdown">
) Y' c- I- `5 F. B) N* o9 @ - <a class="dropdown-trigger" href="#">Settings</a>
3 Q# q) g: ?3 o5 ~& ` - <ul class="dropdown-menu">
4 H+ T. J( c6 _2 J3 e- t' y. [ - <li class="dropdown-menu-item">
9 f4 M0 b2 ]4 [ - <a href="#">Dropdown Item 1</a>8 R6 r& r+ b+ I6 Z9 c C i
- </li>* G+ j6 T, X3 p; s, H
- <li class="dropdown-menu-item">
# {; }% L( X( p$ g8 u2 M6 V7 c$ M+ d - <a href="#">Dropdown Item 2</a>
, G& }% ]- |2 [ - </li>
7 R( S9 k2 t" |+ |. f - <li class="dropdown-menu-item">
1 @6 c' e; C; A h( d' d - <a href="#">Dropdown Item 3</a>
6 f; I0 q' k: p# z. B - </li># G% e( g& n; ?! ?
- </ul>
% x8 E: W3 I6 p$ p. R- K - </li>
- s9 _( ~& M0 R9 u, J8 a - </ul>
8 ^5 R. {6 X3 e, x' k6 v' [ - </div>
复制代码对应的CSS代码如下: - .nav-container {% X8 [ d' ]( h, V; |# r4 d
- background-color: #fff;% B2 `0 F' ~) H* { s! L$ ~
- border-radius: 4px;5 O$ a, i/ `' v
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
. {/ @: w1 J' j0 Q/ F - padding: 1em;
7 F) p5 n w2 S - border: 1px solid #eee;
4 c$ @) ]) ?7 o3 b - display: block;
* Y G' j! e/ D7 | - max-width: 400px;
9 b. R+ m% t& L/ u& S: M/ I - margin: 0 auto;
2 b( U/ l# V; u( o/ X - text-align: center;
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- ul,
5 F! s- m D8 A: r7 W. r - li {
- y( ~" |5 L. A8 ^9 C/ _ - list-style: none;8 O3 w2 X" n1 o- Y6 @5 D$ s3 [
- -webkit-padding-start: 0;
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- a {. S8 j% G- n( `. U% k
- text-decoration: none;
2 ^& Q8 M1 K: @4 [: ]! G - color: #ED3E44;
. o: m0 u/ h \" z4 J5 r, | { - }
, ]. G7 ]+ k. J. n - .nav-item {
) u1 Y. K8 q4 f& P' z- d - padding: 1em;1 s2 R+ F) g+ W# l. }" D9 s* x
- display: inline;* `$ [0 R* U% r0 K6 \9 ?
- }
: ^+ P5 I2 h. a5 V% Y; e+ C - .nav-item-dropdown {
% t% g2 D% @+ ?& |" S# r5 `) P - position: relative;! h) l& f8 l" \2 t0 P, E3 _8 C# c/ ~
- }% N/ r+ `+ g2 D$ j/ C2 I( g5 A
- .nav-item-dropdown:hover > .dropdown-menu {5 U: h( I* Y: J$ ~
- display: block;
( I4 W" ^5 {8 @3 ^0 T0 ~8 d - opacity: 1;
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- .dropdown-trigger {6 D0 U! b! O f9 e
- position: relative;" b& m8 @" c' S0 }
- }& f! i6 S+ N2 J3 q o+ e/ Z
- .dropdown-trigger:focus + .dropdown-menu {) P9 l' J, d- K7 G( M
- display: block;
3 [2 o8 u: X: C# Y+ a" t/ B - opacity: 1;
2 W: ] v" W4 C% y - }
: O; M! P: R/ Z. a3 u - .dropdown-trigger::after {2 F. R3 H% \! t* y8 z+ ?
- content: "›";
1 @0 G7 ? `- ]. i2 c - position: absolute;
* g& h( v* A% o/ H3 S - color: #ED3E44;( z/ g% w8 m+ \# N/ _( h
- font-size: 24px;: l; [( h" \) E) T& p! J
- font-weight: bold;0 }( c" n; p- `) W4 B0 |) X
- -webkit-transform: rotate(90deg);. H8 L- @3 n& N# ~
- transform: rotate(90deg);& T) v" Y3 ]/ |5 g# {* S1 X
- top: -5px;3 S& e: N2 x7 y! D( k# r
- right: -15px;
" J. m: I* f4 [. d# o - }
% \/ q: P" m+ c4 V - .dropdown-menu {
: @( U! g, H2 v9 D - background-color: #ED3E44;* d* b4 S" c) k9 {, T
- display: inline-block;2 H( i2 `4 `/ T8 s& Y0 P( J
- text-align: right;
& |/ x9 d" V( D( c0 N - position: absolute;
' _+ [) y% {# B x! U2 O; Q3 A0 W - top: 2.5rem;
0 f/ @) p* i' N, L - right: -10px;/ Y, p# J& k! W- \" q7 g4 O% d
- display: none;* t/ M2 M% z$ H* g, K9 _" L
- opacity: 0;
3 A+ I! y3 j7 v$ A+ d! o$ H - -webkit-transition: opacity 0.5s ease;! M- ` x' e% f
- transition: opacity 0.5s ease;
: i6 F# K' d. O& v" W$ e - width: 160px;: Q& a6 f* D1 f. j
- }
& ^$ J7 Z, L& N6 u* C" S3 l: I3 }5 b - .dropdown-menu a {" ^! W7 Y# ^# G0 u* h2 Z
- color: #fff;
; {* [; L( P9 W. Y5 i' b - }
, F7 {: m( U% Y1 B H8 u0 B - .dropdown-menu-item {
: c! A' S7 |% A# w; R4 ] - cursor: pointer;9 K( V" M9 }1 l, B/ }4 H
- padding: 1em;
" ^) D( I) B# @/ N" t. T/ M - text-align: center;
+ o) a" o1 U' K - }
" o6 H. _3 e. t* p: @: o - .dropdown-menu-item:hover {5 {/ b9 p! C X- v1 }
- background-color: #eb272d;" d2 ?, P2 M) L; M& y: c
- }
复制代码
, g7 j3 J& \2 n6 i可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">. Q J g4 L( [; b$ Q, I. C" z
- <!-- Checkbox toggle -->0 I, K9 U8 Z( [1 e( M
- <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">! U$ e( \( ]4 p/ d( ?" b
- <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>* B3 h1 ~& ]6 n0 k/ V: y$ J$ }
- <!-- Content to toggle from www.mfbuluo.com-->
( t( Z' C' h4 i# z6 R: [ - <div role="toggle" class="toggle-content">
2 P" \6 O, g5 M7 }: i$ J0 R+ N - BA-NA-NA-NA!
8 G! X* x% e1 B- s' b: C8 D2 x/ q - </div>( K: E! p" o q& a Q
- </div>
复制代码CSS代码内容如下: - .toggle {
& g0 c; Y {5 i2 V* z ]' e - margin: 0 auto;
( |& _0 N5 M; [( ` - max-width: 400px;! o/ `. P0 X3 |$ ?3 @+ J+ N
- }
# b# y/ a$ h: F3 T$ I3 z - .toggle-label {
; `- @# u( Z2 h9 I0 p% E( @ - font-size: 16px;% _ b4 x( P* l
- background: #fff;+ b) K! j" E0 p6 K/ _
- padding: 1em;
5 ^* t6 H2 _7 {4 Y - cursor: pointer;" y) Y3 g, a2 m6 y' W
- display: block;& ]: o6 T/ Y# y/ r [: [" c: D$ v
- margin: 0 auto 1em;+ R# d& Q4 x* W3 C5 H1 f
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
* P8 l# z4 y) D! J V( { - border-radius: 4px;. X# u9 V" Q) f. V, a2 d
- }
% k7 G. O* ^2 f# S8 u; I& f - .toggle-label:after {
5 e- {1 W' n* t3 ~* F, ` - color: #ED3E44;( e* i7 ^2 p& v
- content: "+";
. R. q/ g# V- p2 V4 b - float: right;
* B' K; u/ W. F% k' @ - font-weight: bold;$ W0 A4 B! o1 J2 ^" L6 \) S" ?
- }
& t+ }6 W L, p3 H1 R% _7 F* n - .toggle-content {
3 h0 z; E, A6 ]- e/ H - color: #B0B3C2;6 N' ?1 h: Q" y& B& A$ Q8 ~5 B' P
- font-family: monospace;
" \, S/ _. z4 [, ` - font-size: 16px;
' T8 i8 v; Z) Y3 h6 U4 t& @9 i2 y8 x - margin-bottom: 1.5em;. O' k, S' v: L' r" k
- padding: 1em;0 W0 v% t3 W4 V3 }3 @3 A% L3 b* n
- }* }: e c/ D3 x: U3 i
- .toggle-input { O( n- s5 p7 a: s6 r
- display: none;- }3 S8 P5 Z4 u, v
- }
. a) v- d# C9 i" _" B - .toggle-input:not(checked) ~ .toggle-content {# H6 _3 y6 e1 V9 ?
- display: none;* ~* f, \1 F8 b' E6 t, g
- }
% u& z) J3 p; x* Y& v0 O" W - .toggle-input:checked ~ .toggle-content {
7 i. o) ?: M$ s- R2 H - display: block;
( o' D+ w, {" q% F - }
! `' x, n3 |; e& U/ t8 j; Q - .toggle-input:checked ~ .toggle-label:after {; k3 m- }* k2 P( R2 u
- content: "-";
% U2 m4 `$ r8 r8 v8 _5 o- j - }
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