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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!">; d- X8 h, C$ g$ o- L- U. [
- Label for your tooltip4 T" e' M/ i+ d4 b
- </span>
复制代码CSS代码: - .tooltip-toggle {
; _, Y0 u1 w0 L7 T - cursor: pointer;
: A: x2 R, A! U/ B+ d0 \3 q - position: relative;
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- .tooltip-toggle svg {+ j1 a- g+ W0 h3 I {$ a- h! P2 o
- height: 18px;
. p% S: w- S3 q2 D2 O - width: 18px;
( Z ~8 z7 X- e - padding-right: 0.5rem;0 E6 `) n% y$ q# E1 I
- }
' C, T3 l$ ~: j: i' t# V# y - .tooltip-toggle::before {( l9 d* P9 N- i8 x' k
- position: absolute;
% ^7 x5 s, B7 h+ { - top: -80px;$ m' z! `; r8 A6 Q2 t9 A
- left: -80px;
! ^* J" @' S. L- X6 X. n! K6 X' J+ K - background-color: #2B222A;
2 n! d0 ]$ Z1 i - border-radius: 5px;9 |8 |/ ~% ^' z5 C* a0 J
- color: #fff;
- J, C, s9 h2 n" s8 w& y/ f H - content: attr(data-tooltip);+ E/ I6 `* ]: x; P' C' a
- padding: 1rem;* V' E M% C9 k/ s* u# C E8 N
- text-transform: none;$ R& x# A2 p& q, P4 J
- -webkit-transition: all 0.5s ease;8 ~& b" A9 i, V4 s3 ^
- transition: all 0.5s ease;
; l3 }" ]( ` l2 `! s - width: 160px;
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/ T9 I) T0 s" ?3 H, ^1 b! i% d9 z - .tooltip-toggle::after {2 T1 r1 K( C4 l8 ~
- position: absolute;
, |: z6 S* |0 [4 l/ J - top: -12px;
6 h1 X' r* ]: E! I9 T M( i( o* M6 j - left: 9px;
8 g' ^8 l# o$ }4 s - border-left: 5px solid transparent;
" W" K- _' K6 ~- g* B - border-right: 5px solid transparent;& ^% }/ B7 x* o' B4 f& H3 w2 c
- border-top: 5px solid #2B222A;
/ \; e' C* M7 e& ?, b* f& w - content: " ";
1 g& R. d1 F% M. U0 {4 b - font-size: 0;
, A' y' U$ ]# y3 Y3 e- q( { - line-height: 0;1 U* \% f5 Y: P& Y* k' H* y. J
- margin-left: -5px;
8 F- u6 p X& S& k' a4 o0 b; K" X - width: 0;# ~0 Y, E4 W% c% }2 S
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- .tooltip-toggle::before, .tooltip-toggle::after {
, s# g8 R# D( v - color: #efefef;
3 \9 |: Y* ?7 H5 N - font-family: monospace;0 Q* `4 K) b1 r' p
- font-size: 16px;4 i' W! B* h6 k: A
- opacity: 0;
; J" P: \8 J X, O - pointer-events: none;, [5 f' A+ O0 ^4 v
- text-align: center;
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- .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {) H4 h( V0 g+ g8 K6 [
- opacity: 1;
: l! b, A, g5 B. z4 }7 {7 e* [4 m+ m - -webkit-transition: all 0.75s ease;
' Q5 i5 Z- T$ |0 E# x$ Q# P - transition: all 0.75s ease; v; p$ d& T( c; s$ L# O" @" I
- }
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">: g: x$ z" R- R( @1 j4 N; N1 I
- <ul class="nav-items">
& R' z, \% a' H' n- R3 t: L - <!-- Navigation -->
* b3 c2 K* N- T1 N - <li class="nav-item"><a href="#">Home</a></li>, v3 a7 F& h6 i' t8 R& A
- <li class="nav-item"><a href="#">About</a></li>
, {) ]6 r4 d8 F) m7 B; K5 d - <li class="nav-item"><a href="#">Contact</a></li>. j0 f$ x1 v* |
- <!-- Dropdown menu -->
! s& C# I; X3 r) U: z - <li class="nav-item nav-item-dropdown">5 N% O2 q' \- I2 G% H
- <a class="dropdown-trigger" href="#">Settings</a>
4 x# O& u7 D1 l1 I - <ul class="dropdown-menu">
7 \, G# g) `$ @ j' a - <li class="dropdown-menu-item">
* D; j! g1 l9 e* b2 x - <a href="#">Dropdown Item 1</a>
# d+ F7 Y' a- Y% Q - </li>
& r: {5 j) o7 z) W( x6 |. Y8 Q - <li class="dropdown-menu-item">
* x+ _; W7 P3 C$ J1 u) | - <a href="#">Dropdown Item 2</a> F, E: E* |6 X( X" x$ ?
- </li>+ @- l6 C: b/ T3 T' L6 I' K* \ j8 f
- <li class="dropdown-menu-item">* H# X. @+ K- t6 M% w# {5 E4 }
- <a href="#">Dropdown Item 3</a>6 A! @ v2 j- N3 x! A; v# A# Z1 T
- </li>/ g7 `) H2 V# I
- </ul>. T* x6 ]/ j3 L
- </li>& g4 A2 L7 } V. H: R
- </ul>; e4 f- V% B/ ~5 b# w& [. U
- </div>
复制代码对应的CSS代码如下: - .nav-container {; u. L; |7 y4 T+ m2 K& R2 T2 W
- background-color: #fff;: [& L, x1 x, k+ c6 d6 Q# d
- border-radius: 4px;
! e, p- R, g/ n0 f - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
. Y' f! w; r& j1 S( O - padding: 1em;
5 U1 @1 i) g/ E0 E* w/ Y - border: 1px solid #eee;1 _! s& y0 S# `+ V x8 x. y' X
- display: block;
& x0 V1 x0 b' k6 ^ - max-width: 400px;
! ^' S0 d2 s2 j- ]4 J$ X" z - margin: 0 auto;
/ J" n0 `2 @* a7 q - text-align: center;( i P1 x |! H; h& ^
- }3 ^5 ?' X9 R0 S" {2 d: j( k
- ul,
$ W7 \5 _0 Z6 a& \ - li {3 ?% H: `. P8 p" z! m3 s# S+ B7 z
- list-style: none;
8 n9 f% ^1 l7 L: p+ t3 m' w$ [7 A - -webkit-padding-start: 0;
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- a {5 f6 J: c& {0 ]& t" W
- text-decoration: none;- `$ e/ t+ y+ ?2 W% {# ^
- color: #ED3E44;
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' h" j& m, Z5 r+ G - .nav-item {0 u( q& m5 R0 r. o8 `7 l
- padding: 1em;
9 L# N- A4 a- g3 z: X4 } V - display: inline;/ s7 R; z3 f, C" j4 [
- }3 H# y7 v7 ?3 D- v5 g
- .nav-item-dropdown {9 {3 C. t, z; i1 H- g: A: m
- position: relative;- y- A% Z* g: C6 D. J* }6 ]
- }
* R/ M# o. a* @; t - .nav-item-dropdown:hover > .dropdown-menu { P( r7 [8 V0 j' ~) l; T% a
- display: block;. }6 Z! H+ d: O8 y' I. ~% c
- opacity: 1;
9 f) R: |; A) h& t/ B& S5 i6 { - }
& d( T* N1 ?' |2 N - .dropdown-trigger {
" [3 X( b0 A' _: ? - position: relative;
: |2 N# k; o7 K( z& S& ?, }" N [ - }
% o! A; y/ V3 u; L- u - .dropdown-trigger:focus + .dropdown-menu {4 N9 S" {6 Y4 D- P
- display: block;
9 r- `6 n! K( e; f - opacity: 1;
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- .dropdown-trigger::after {$ j3 J# L( v, }4 M, a8 o
- content: "›";# O" R, x8 B7 L3 V2 ^9 j8 ]
- position: absolute;" e# k* A6 }; w! h2 }( w
- color: #ED3E44;
$ \2 }3 y) _$ G- I" T - font-size: 24px;
. S6 ~* E& _6 p; l: s, Z - font-weight: bold;- N1 n& {8 G4 y5 Y7 u
- -webkit-transform: rotate(90deg);
$ n5 L0 @; |2 c5 Z/ B1 k& S0 p. A9 `- I - transform: rotate(90deg);+ ^, w8 A; Z4 V7 E, n
- top: -5px;8 J+ i6 q5 Q. W) g# ?4 H
- right: -15px;
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- .dropdown-menu {1 r, {$ D# A' C$ c
- background-color: #ED3E44;. o! H: I9 b2 j: E9 L
- display: inline-block;
4 v# y u) h* j* ^ - text-align: right;% a" F+ t7 l* ]1 k' r1 I; D, |% U
- position: absolute; t6 e+ ?& |$ @* o& K
- top: 2.5rem;
# [1 Z2 t; y7 W, O! s! g l2 i+ T - right: -10px;
* l1 E$ v, _- {1 Z - display: none;7 ^3 ?+ h, j! b* L" Y2 J+ W% a
- opacity: 0;- y' z# t- o5 X5 X r8 l# f
- -webkit-transition: opacity 0.5s ease; A& {$ i- I4 P
- transition: opacity 0.5s ease;
! I; e( B9 f" J) g M7 j# I% G7 J( r - width: 160px;
' v' Y" C/ k" e# X& \& q - }
6 q2 h' C1 r1 J P, @# W5 [ - .dropdown-menu a {' N# L& G" ]8 g( B* X
- color: #fff;
: {. m" k+ j3 R( c ~) Q+ d4 N" I& Q - }
% H' b5 E' g0 ?* _! z* {" ~% e - .dropdown-menu-item {0 O/ w3 U9 f9 E, c6 N
- cursor: pointer;; s& ]3 N: V& u- l6 R3 B! K
- padding: 1em;
% i/ s$ l- L9 t; }8 z6 c4 q - text-align: center;
5 f6 B* |& S3 n# |1 }8 W - }
" d8 ]0 x2 ?) q% N9 L* F - .dropdown-menu-item:hover {: [. M2 @. J0 d4 H3 ^) q
- background-color: #eb272d;. v3 _) u: q2 A9 e& o( o
- }
复制代码 5 I: p- z! E' |3 C4 X# |4 }- p! O
可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">8 W9 T; A5 t/ A" e
- <!-- Checkbox toggle -->, j. q) M1 s0 ^/ f; o6 ?
- <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">
1 C, S% ` ]' T: |6 }' o4 _5 C - <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>" u! w& ^/ S7 W4 F; G4 O
- <!-- Content to toggle from www.mfbuluo.com-->
! B" R) |, \! s; H# I l4 ~0 s3 q7 P - <div role="toggle" class="toggle-content">0 Q" G& X5 @4 S1 P' A3 R3 r
- BA-NA-NA-NA!$ [! p/ x4 n6 N0 v& r: b$ ]6 {
- </div>
4 v* _! ^/ ?3 I* f3 @5 _ - </div>
复制代码CSS代码内容如下: - .toggle {
* Z, d, a+ M/ c, J# b8 l - margin: 0 auto;$ g( T; e) |1 X% f, [
- max-width: 400px;" w! y7 J! J- a
- }. U. x$ o: w& k. l
- .toggle-label {
4 |; N; O: F9 t( O - font-size: 16px;' e3 H) M, _, c/ v. B
- background: #fff;
& C& o! ~0 V+ h& k - padding: 1em;
, w& x' [; D9 S v8 k" J. @' K! l - cursor: pointer;/ ~# K4 @! f& n. d2 i/ c8 e; M
- display: block;
' ^. J) B$ ~5 t& k6 F - margin: 0 auto 1em;% }2 R9 y d* S4 [. G' j: N
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);) [4 `. d- L1 H7 ~. c2 X
- border-radius: 4px;; |8 ?8 E/ m' b E
- }6 f, |& a$ ?* k7 I9 u& B2 ]) D
- .toggle-label:after {
- z8 e9 ~9 G! d- [; D& p - color: #ED3E44;1 f% c; \4 o5 d$ m4 F
- content: "+";( H0 a9 T* @: B1 T) F
- float: right;
" Y+ H* f* T3 F9 g C* b0 f( S, V - font-weight: bold;
! B( x7 i( I- l6 Y" o1 x# t3 V - }
9 W+ k) R# ^; _+ o' L, j - .toggle-content {% B5 T: Q+ d( u
- color: #B0B3C2;9 Q; R- u% H4 P4 u3 e. H
- font-family: monospace;
6 L# U, [# V, w; Z - font-size: 16px;
0 m' ^ v0 Y) l' T1 O - margin-bottom: 1.5em;
% S o$ }, L, |. z: T, O0 B2 R/ l - padding: 1em;
& B8 V% K* x" u! k$ `- {% ^2 ] - }
: [: |* e7 w0 o4 U( {9 i% C2 A - .toggle-input {
! X7 f: J) T, H0 f% i! [! J! o - display: none;0 o; y% O, z; A! U( ^; `3 A
- }" ~, l/ x! N' y8 H) b
- .toggle-input:not(checked) ~ .toggle-content {
( g1 F/ g" P$ V# ~8 r, w! h - display: none;
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- .toggle-input:checked ~ .toggle-content {
) }& }5 F; R$ f- T, @ - display: block;" E; k# E R3 t$ N# h
- }2 c7 ~2 U, W+ h; I& c+ G
- .toggle-input:checked ~ .toggle-label:after {/ a8 z9 M& h% r: m5 x
- content: "-";2 l% {% S/ H+ L% Y# T+ u
- }
复制代码 " h5 Z1 U8 A! t: `- |" V
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