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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!">1 i" n, x) k1 T6 g- l+ ^
- Label for your tooltip
) Q$ E. h4 J7 _1 P0 e" f3 {2 q/ @/ I - </span>
复制代码CSS代码: - .tooltip-toggle {: r! f7 i7 }; {) ]
- cursor: pointer;, x, n1 b6 D: c: @9 ^
- position: relative; ^" C5 s+ ^# b2 L/ l
- }; x2 ~9 h6 \9 O3 o' t
- .tooltip-toggle svg {
. f6 R8 c5 E7 n$ A) @! n - height: 18px;
7 _! l9 H, U8 `2 n5 o: A) }, @( y8 X) C - width: 18px;; \( C% t* W3 x9 I
- padding-right: 0.5rem;
% K% c+ Q6 t7 h, u$ t8 N" y - }
8 L* F; O3 v0 w: D6 U3 b. w8 H6 w - .tooltip-toggle::before {+ T! `1 j. H, T1 C& O5 A l a
- position: absolute;# s1 k6 J! u7 ?2 M6 C; D
- top: -80px;' \8 O4 ? {& r; e: i
- left: -80px;
; E m/ S5 p1 a( n2 T0 f1 u- R) b - background-color: #2B222A;
# @4 Q; d, O/ \+ M! P0 r5 J7 g - border-radius: 5px;) z. Y6 K; T8 }/ l
- color: #fff;$ h( Y' m& F( P" z- |2 g
- content: attr(data-tooltip);8 ~6 P% h% T2 E1 G9 X$ j- e
- padding: 1rem;
8 _+ ~: O. B$ ^( v - text-transform: none;
$ U" e* O: H; ]1 N( R - -webkit-transition: all 0.5s ease;9 M a" X9 P1 t8 S( l, r
- transition: all 0.5s ease;# D7 {1 ~3 B0 |' }0 f, M
- width: 160px;
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- .tooltip-toggle::after {' K, H' Z" o% h- y2 R
- position: absolute;. O d( V! H" u2 v4 V: L
- top: -12px;# I4 \* c: O9 J- p
- left: 9px;$ p' Y. |9 ?$ D; |% u4 [
- border-left: 5px solid transparent;/ q" D+ C' J9 B8 Q8 @
- border-right: 5px solid transparent;
! D+ v @& N6 I6 X, `4 y' i7 w# s2 n - border-top: 5px solid #2B222A;
2 U' a- T3 S" }. O0 W8 x" [: P% p - content: " ";+ e i; G) \, {0 _- d7 k
- font-size: 0;
, ^' J; ^; G6 m' i h! K# I- @ - line-height: 0;
8 r# ?4 `/ b+ f0 F5 s! l - margin-left: -5px;' t5 E- L* Z# H0 N+ B, z
- width: 0;
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- .tooltip-toggle::before, .tooltip-toggle::after {+ A+ l: d( Q4 S1 v1 Y4 T$ e( s2 C
- color: #efefef;
2 @1 s2 g' m6 b# X3 Y - font-family: monospace;, v2 `! ^/ J- }1 y
- font-size: 16px;
5 @" B q* h; C" x9 c7 o - opacity: 0;' H9 D. ~8 c/ o S$ E2 z9 \+ Z5 r7 r
- pointer-events: none;
2 X( o. [4 k0 H7 T# I# p% C1 p - text-align: center;
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4 X! @: t# Q/ ~! G; i - .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {
r1 F; h3 n7 Z9 x1 `! Z - opacity: 1;+ m1 m8 {- f1 ^- _* n/ w5 W
- -webkit-transition: all 0.75s ease;
4 @5 I& c9 ^# t. t - transition: all 0.75s ease;2 W7 D8 u# x. v4 B7 W8 n6 J
- }
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">; J1 }- R* x, x# h
- <ul class="nav-items">
/ b, g" g/ A: z5 }& T - <!-- Navigation -->: ~2 n+ h [( K" v$ ]$ ]9 D( E" l
- <li class="nav-item"><a href="#">Home</a></li>
0 x- H& ~ L9 u - <li class="nav-item"><a href="#">About</a></li>2 M7 g$ n3 \) |( ]2 o% B# W$ ?* w
- <li class="nav-item"><a href="#">Contact</a></li>
7 F6 K2 ?0 u" H% }5 ^$ K1 g! T - <!-- Dropdown menu -->3 q9 a, j! }" H4 P9 h; L
- <li class="nav-item nav-item-dropdown">) g* ~4 h& a/ q8 y/ @4 x
- <a class="dropdown-trigger" href="#">Settings</a>( g. d4 f9 Q! q0 K9 k8 S
- <ul class="dropdown-menu"># o: n# a1 {! v( n! L
- <li class="dropdown-menu-item">0 M9 C# L! ~8 g+ @2 M7 ]( ]) E/ I
- <a href="#">Dropdown Item 1</a>
- A' {5 J3 G- t8 R: D' n - </li>
/ ^, _: F8 E1 M m% Y - <li class="dropdown-menu-item">! j" G& x. V) v2 T
- <a href="#">Dropdown Item 2</a>
! K; X4 f9 v8 s$ R$ _ - </li>& ~5 B# e) z' H* J+ U1 ]8 [
- <li class="dropdown-menu-item">
5 T7 J4 q) n2 ^1 A - <a href="#">Dropdown Item 3</a>
- M. f; N4 l: R0 I- C2 h - </li>
/ I* I; c$ p0 v: i& l+ c( f - </ul>
+ @5 d( Z9 I2 V - </li>
# e4 C) L& B0 R k6 N2 v# ~ - </ul>
! c& a" I# F$ ~( [ - </div>
复制代码对应的CSS代码如下: - .nav-container {
6 O$ b1 n/ u5 d: w0 }3 m - background-color: #fff;
6 K: L5 E! Y$ |" Z. B' r' q - border-radius: 4px;8 }+ Q5 ~6 E0 H V" S5 l4 M
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
, g, @1 }6 I4 z" ~ - padding: 1em;
% Q, P2 L1 m2 c9 O - border: 1px solid #eee;
4 L- ]( g4 h4 R! c - display: block;
( R; J$ P# ]& j9 r6 z/ h - max-width: 400px;
, k0 J6 \ P" F4 ]( b - margin: 0 auto;3 F! l+ A7 t1 D% z i8 A4 l+ g
- text-align: center;% D% [/ x' Y% v8 N" ]( t
- }
8 V9 ]1 i: u, o. z. j - ul,: c8 I2 b% P' b. W7 [
- li {
/ o1 S. e6 W/ J; f( a. d - list-style: none;2 H) }' g+ ]' h* i8 q, K% Q1 K
- -webkit-padding-start: 0;/ {; v) g( D, q& c: v o
- }
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% Z) N8 y3 J+ S( \$ R( b1 y) j# u - text-decoration: none;
; K% _- ]+ L* n - color: #ED3E44;) t; F# p G- @; Y
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- .nav-item {
9 G1 M# {0 n6 u - padding: 1em;
; X6 n" ]( |8 l - display: inline;
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- .nav-item-dropdown {
* c5 g# O+ v* l/ v" X% L; ?/ @ - position: relative;- U' P1 T) E( X( m! E0 [1 z) l
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- .nav-item-dropdown:hover > .dropdown-menu {- M2 O" A1 F1 G( Z* H
- display: block;
. P' U: ^* ~/ ?$ z$ m2 W - opacity: 1;
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- .dropdown-trigger {0 u- {, I+ r/ R7 y8 j; c
- position: relative;* l$ @' I3 ^# k5 R) N2 \
- }/ V) @ V& Z, Z% l, s
- .dropdown-trigger:focus + .dropdown-menu {& ]8 b( i) W9 @- E( A
- display: block;
6 I+ P/ z% Z3 ^ - opacity: 1;- l5 J$ f3 i3 I
- }
% `, T( `+ G, Y* C+ w - .dropdown-trigger::after {
- l- l+ V2 k8 D, o, n - content: "›";' y* P0 f V: P7 H" s$ r( N
- position: absolute;3 ^/ Q1 u) `; \6 g0 A4 }
- color: #ED3E44;
# S6 x* @" Q# S7 L. \5 A& m7 f - font-size: 24px;6 A$ D* U. c8 p
- font-weight: bold;$ [3 S$ C; L. E3 R& D8 X3 p( m( |
- -webkit-transform: rotate(90deg);: i! s \" N* f0 V( Y
- transform: rotate(90deg);( I: C3 a) c8 @: F
- top: -5px;4 t- A0 E1 O, C0 N$ j* O/ Z% A
- right: -15px;
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- .dropdown-menu {" l( f5 \9 t: w6 l% P
- background-color: #ED3E44;* a! U; ^, M s& o! A
- display: inline-block;) N& R, T/ `, h1 g
- text-align: right;& D- G4 B. @6 i2 B& `/ O% Q+ W
- position: absolute;
+ b2 p! N: i9 t - top: 2.5rem;
% m3 Y8 l/ g& w; J - right: -10px;
6 z* S& O C& c - display: none;3 S, V( I; i: p; p
- opacity: 0;
$ c C0 }) c, Y6 ~" V+ i# X - -webkit-transition: opacity 0.5s ease;# X8 T" `9 w' H; Z9 \) F
- transition: opacity 0.5s ease;
$ k( J c# B0 q' N, s - width: 160px;
7 y) y `4 k' _ - }
( D' ~3 v$ w3 M! g, }; J1 F" H - .dropdown-menu a {! ], P e( A& a9 Y- M7 T5 l
- color: #fff;
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- .dropdown-menu-item {% E1 D4 v' L: ?1 s( m
- cursor: pointer;
{( x$ D5 G4 l! v4 Y h - padding: 1em;
7 k3 ^# d% }$ r - text-align: center;4 v/ S- ?5 T6 m! K3 a) ?) k O) e
- }2 n% W& J0 y8 ^9 ^( v
- .dropdown-menu-item:hover {6 r! j U [% P0 c
- background-color: #eb272d;
% c$ a( h% e$ P- I - }
复制代码 % C* L0 v# x1 e& v( x4 v3 Q* U
可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">/ v4 ]) ~5 {: r# K
- <!-- Checkbox toggle -->
3 {2 L8 b7 q# j - <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">3 G; k) c: O8 d0 |( Q
- <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>
- w3 T! C1 t* T9 ~' [6 P; Q/ T4 q - <!-- Content to toggle from www.mfbuluo.com-->
) e+ B9 s2 b* A# _ - <div role="toggle" class="toggle-content">& j+ |7 F- V( m( }$ @$ `
- BA-NA-NA-NA!5 l9 F/ b& j0 ~) h4 U, V
- </div>
4 T. B7 i1 G M( F - </div>
复制代码CSS代码内容如下: - .toggle {3 [. d7 {; B/ I: y
- margin: 0 auto;
0 `& ^. `5 W: P. t- y - max-width: 400px;
! }5 }; V& P& Y: y) F - }
* E: q" ~+ a3 ?( U+ q - .toggle-label {2 T$ @+ D, r5 M" E/ }7 _9 \
- font-size: 16px;
) a8 \1 R: c1 X: T: o - background: #fff;
. s/ A( Z* L7 ] - padding: 1em;* w9 f" a- ~' L! G- d( l/ t
- cursor: pointer;. x9 {" l2 K- R. |6 R
- display: block;
- y) U& ~' j6 v: \! } - margin: 0 auto 1em;
( g% b" Y, o7 e0 B - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
) b- P5 P$ s7 n3 B7 A% Q - border-radius: 4px;% o6 A, d0 s5 V4 A. y$ v0 e; b4 h
- }
. ?! d* ]4 |, D: n" e% f( ~' } - .toggle-label:after {' g D' {6 j6 I& a T9 n' B
- color: #ED3E44;- O0 X! }1 w" B1 Z
- content: "+";
& P; z( I4 E+ c4 E7 S - float: right;
# i, k$ p, L) u4 Q8 i& A) M - font-weight: bold;3 |* \2 R& ]* K
- }
V) q; |$ u9 K& Q, w - .toggle-content {
: s$ V5 k3 B! h9 M - color: #B0B3C2;( C. i' ], r3 I7 }8 N, |% Q$ [3 ] R
- font-family: monospace;
7 {; [1 `5 I% c; T1 D" A - font-size: 16px;& h. f$ {- b/ S$ \4 i
- margin-bottom: 1.5em; R8 M9 h! Z; T4 B s3 M, }
- padding: 1em;
6 k8 O0 x) ]' d8 u - }
; R1 B" H/ F: V9 | - .toggle-input {6 A5 d% G4 ]* Y, f. F/ ~2 O
- display: none;
$ ?, y1 r- F- ~3 @0 q - }4 r3 W& Y; T0 m4 \" X, {" j
- .toggle-input:not(checked) ~ .toggle-content {
0 J8 a m+ Q) ?9 \; f1 o - display: none;) J ~& O7 }. n/ k, M! C+ \* U
- }
% m+ I- t& L" m1 R - .toggle-input:checked ~ .toggle-content {
$ I( o$ h+ L- ?# V - display: block;
|& f% d4 @# q5 r4 Z& a/ G/ Y - }
; e, V- m) P9 U' j0 l, k - .toggle-input:checked ~ .toggle-label:after {9 Q* ~/ m% D( Q4 S
- content: "-";: G$ n2 n* [' V
- }
复制代码
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