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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!">
5 i, |1 N8 O4 `0 X7 M' C+ [ - Label for your tooltip
$ p0 X& p& A* R, g0 h - </span>
复制代码CSS代码: - .tooltip-toggle {
7 H5 O! k& ?. Z+ E; z- V - cursor: pointer;
- C' W5 P8 w8 K& z; S/ `$ W' @ - position: relative;
6 W4 \; ^# P9 [4 s - }
, H5 {8 I1 F3 w( e" S' }) D- @; F - .tooltip-toggle svg {
( f) F `; E( O& B - height: 18px;/ C' F6 I- c# M: c
- width: 18px;- F' N8 t2 f& y/ D, i0 N* z0 p
- padding-right: 0.5rem;
- p5 ^5 B* A$ A+ \' X; e* `! ` - }
; s; z. E9 l" C& { - .tooltip-toggle::before {4 i4 t0 _- e6 t0 ^: |5 q0 O! w3 K
- position: absolute;
+ w0 |9 w6 v: t0 @' x' a( Q - top: -80px;
4 w9 U7 ^$ I" g- b1 q - left: -80px;2 I5 ]; }% g- S9 x5 S' Z+ [
- background-color: #2B222A;
6 z7 `. b. O- ]9 f - border-radius: 5px;
9 }0 P% }/ ?$ b8 p. p9 f9 v - color: #fff;6 M' Z0 V& H: g7 N
- content: attr(data-tooltip);
% q$ J |& u* q( b, t - padding: 1rem;
: p" \9 H5 y2 o# A; g - text-transform: none;
# E6 ]; K! e% @, j" @ - -webkit-transition: all 0.5s ease;
5 |& @. _) g) a0 d - transition: all 0.5s ease;
" Z7 h! w1 P( W7 v3 g& R: k - width: 160px;' o3 M8 h, \0 i2 T* X# r E* B
- }
3 F4 ^, g/ u. D2 J: Y8 ^ - .tooltip-toggle::after {$ W* j- A3 M2 X7 ] x% W# @
- position: absolute;. d! }0 D- U3 Y) l5 @ v
- top: -12px;1 A8 Z, y: @* u
- left: 9px;
% |; B4 {7 n# O - border-left: 5px solid transparent;% J# @+ F- S+ Q% E' f# x
- border-right: 5px solid transparent;* Q# P; d, N6 V: q5 O
- border-top: 5px solid #2B222A;
5 i% X, ~; L. @# ~! R* j% J - content: " ";& f$ W' }* G. U. a0 g( p* Q) q
- font-size: 0;
4 v, h! m2 r! e& n) L, Q, {0 c& t - line-height: 0;8 @$ ~4 Z3 N. t6 v. ]( j; D
- margin-left: -5px;4 O" T& v0 Z; [& r
- width: 0;! u W; Q+ P/ D) i* l
- }
0 Z" z; c& @6 ]6 a2 ?0 D3 ` - .tooltip-toggle::before, .tooltip-toggle::after {
6 C+ W5 J, d) { m' S' ^ - color: #efefef;' b1 H. g( B3 T" d
- font-family: monospace;
0 H. K* d0 k# S- y" ^- D - font-size: 16px;9 _' }# y, \- `
- opacity: 0;4 K) y4 u: m# e+ G' H3 _
- pointer-events: none;% Y. r5 B4 R% p. e o
- text-align: center;
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- .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {6 X# g$ P4 \5 H
- opacity: 1;6 w- b! M5 L% S+ V" z% g" a
- -webkit-transition: all 0.75s ease;8 L* B( C9 k* m, [% t5 ?* V
- transition: all 0.75s ease;" W5 g( u: ~' E$ ?# j$ M5 z
- }
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- ^* j/ Y8 G7 A/ v6 M2 w2 w - <ul class="nav-items">
0 h7 `. Z( }* W3 L2 p/ p0 H& J - <!-- Navigation -->
/ Q% n; p6 Y/ I - <li class="nav-item"><a href="#">Home</a></li>8 l+ o/ j9 @1 u/ Z
- <li class="nav-item"><a href="#">About</a></li>8 {5 `( H7 }1 }) C5 `
- <li class="nav-item"><a href="#">Contact</a></li>
F: @3 z. ]" A7 q6 }5 G - <!-- Dropdown menu -->3 u7 J, l) Y9 z6 s1 _' r7 Q+ i- U
- <li class="nav-item nav-item-dropdown">) K2 D2 @: B4 H, s i
- <a class="dropdown-trigger" href="#">Settings</a>% A O" z8 H& b; R
- <ul class="dropdown-menu">
* {& R$ N7 C% u2 o - <li class="dropdown-menu-item">
8 x3 X& N9 c7 q - <a href="#">Dropdown Item 1</a>
. s& {2 w& K6 j% V/ V7 u: B - </li>! v: w6 I1 M( }% ]( G
- <li class="dropdown-menu-item">
( Q; w0 {2 B( P+ r* Q - <a href="#">Dropdown Item 2</a>
: ?3 W; Z7 t% R+ J2 \9 v - </li>
. B$ s5 D* D0 s8 N - <li class="dropdown-menu-item">/ {$ ~ {3 p# r2 J* \( N
- <a href="#">Dropdown Item 3</a>
2 ^# T$ t- j3 g - </li>
5 c) E# L' q8 I+ K8 | - </ul>! `. A6 j3 q- b# G3 L9 H7 V$ g
- </li>" n, b$ C* e3 L1 P
- </ul>
% E9 V9 y# c7 r+ l1 b - </div>
复制代码对应的CSS代码如下: - .nav-container {
2 a& m" o7 ~- f! [ - background-color: #fff;
9 w! m e. f7 \% M/ u! B1 c$ { - border-radius: 4px;0 w* l3 L" ?+ I
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);0 D" J8 ^2 J. N4 F- s( Q: Q- v
- padding: 1em;
% {. I* x+ B/ g. g4 j9 v# @$ h - border: 1px solid #eee;
) p# o" Q: B+ H3 a* B( u - display: block;
2 {( u, ?; }' j. N - max-width: 400px;
" W, |: M: S- N7 L- c - margin: 0 auto;
/ @ O% b4 m# S' W# z - text-align: center;
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- ul,
( c" V6 J' z. i9 ? - li {
# S) z: K0 \" N5 i6 Z - list-style: none;0 _, v# `; t0 d9 v
- -webkit-padding-start: 0;
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* a7 ~) R$ W: h6 t6 ] - text-decoration: none;/ y% ~ C. g! Z( L; s$ Q' G
- color: #ED3E44;
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8 M( A8 P: R/ E5 ~, n2 C - .nav-item {! s" m' p1 O" G( ?+ x
- padding: 1em;
|0 W! T/ S5 ^5 ^ - display: inline;5 {3 R& Z! I- S+ `) b0 A7 V' \
- }
9 D0 ~: {# i$ Q- ?/ f2 G8 [ - .nav-item-dropdown {: r: D% @ A; s' ?" G
- position: relative;
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- .nav-item-dropdown:hover > .dropdown-menu {3 }7 ^+ r) {- E) h; O5 {! p: X
- display: block;
# g. Y! x- t2 v2 k - opacity: 1;
?% E* G9 k, J1 `8 ?& l - }
$ J ^. ]( ]! J$ p# f - .dropdown-trigger {& W) j( H5 X' W4 t) D$ L- f; h1 i
- position: relative;) ~/ S6 n5 [; ^* X8 ]
- }
6 z, L$ J! }( X - .dropdown-trigger:focus + .dropdown-menu {
: H0 [$ P+ {( O- E - display: block;
, i; Q- O1 b5 F ~ - opacity: 1;
. u* n6 _$ A. q* x - }
/ C5 _2 F; ?. p; [ - .dropdown-trigger::after {
6 f' o1 X3 ~" l& R9 Y - content: "›";
0 S! j" t; V v1 @: [ - position: absolute;4 ~, O s- O" y/ @
- color: #ED3E44;
0 ~! Z9 O1 M s5 h7 S+ m8 z* ]8 X - font-size: 24px;
9 {5 N3 ]/ w+ ]- i% i5 ^ - font-weight: bold;
2 ^' Q+ u5 J1 d' a' [, J4 |3 q, }$ W - -webkit-transform: rotate(90deg);
4 i& x& A1 @$ f" ?" v9 e - transform: rotate(90deg);
, }+ `: {! `) L# z: ]( w' k- H - top: -5px;* i, X# @7 R2 \5 Q9 [
- right: -15px;
d& f! N. ^# J" c( `( F - }
P, J/ y* D/ ^7 Y - .dropdown-menu {* ~5 }: j; [+ P8 v) Y( M1 n
- background-color: #ED3E44;; a& p0 j% r( t
- display: inline-block;
/ G/ ?6 i: _8 E" k7 k$ M - text-align: right;
9 O& p0 z& o% `1 x9 B9 o. j - position: absolute;' ^8 o5 n3 h* W5 N6 W
- top: 2.5rem;7 a; a% ~) n% [
- right: -10px;
# m M) ~2 ~8 m) u6 F/ k6 x - display: none;& n2 l; `/ {; q1 F( j
- opacity: 0;9 G9 J6 R! I3 H6 h( m: J
- -webkit-transition: opacity 0.5s ease;
; @0 V$ m) p8 f4 K# {# H - transition: opacity 0.5s ease;
$ G) L5 |$ Q: f+ {) n - width: 160px;3 \0 M% |/ r% c3 a0 U1 _3 V
- }1 g1 \% }5 E' ?7 Z
- .dropdown-menu a {- }8 }" n7 |, r
- color: #fff;8 U" z9 t/ L h9 G% r& O/ k6 R
- }/ w2 j8 k$ y3 x1 z9 E6 N
- .dropdown-menu-item {
7 R3 _2 C1 K. M6 X4 @) I. | - cursor: pointer;
1 }7 b: G: r" S i! w - padding: 1em;
: z; a2 l2 Y, T - text-align: center;
0 {: V5 P, n4 k. n/ [: l+ ?7 } - }
! a6 A8 {. Z; t9 v" g4 k' m - .dropdown-menu-item:hover {- b! ?, Z/ }8 T" F i0 O
- background-color: #eb272d;
/ \' ~' Q# A d+ I% B - }
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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">6 g5 ]& u* [9 f5 d p: M. ~, W% h
- <!-- Checkbox toggle -->
* O: z6 \6 A4 E" n - <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">
( y$ H: d9 D( m - <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>
. }" J6 g4 ]6 \: A' {, Y# i - <!-- Content to toggle from www.mfbuluo.com-->7 ^. M( }& K0 v$ x0 T1 O
- <div role="toggle" class="toggle-content">. A' p2 m/ N4 ~3 u) s6 P8 y
- BA-NA-NA-NA!9 d9 f( R/ r1 h4 }2 a: a2 w4 Z
- </div>
, ` H3 o' I- r: ^ - </div>
复制代码CSS代码内容如下: - .toggle {
- j( _9 O& c: [$ X - margin: 0 auto;
( l$ L& D0 X5 \8 \% H - max-width: 400px;4 T* w* v8 R6 g: b
- }
5 k/ ]+ w' Q( G" I* D - .toggle-label {3 D! R% o5 T8 k' ?2 x
- font-size: 16px;/ \! d* V. V$ C
- background: #fff;" p8 {# {7 k, x4 P' Y5 P% O4 {8 r
- padding: 1em;
! ^6 _! a$ n, }7 S0 L8 J3 V0 s - cursor: pointer;
8 f4 l" d8 L U& @. t9 \ - display: block;/ C( Z/ G3 t! Q7 _' f6 |
- margin: 0 auto 1em;$ m! `) k& R, t' {2 q2 Q
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
* C5 Z2 ~9 A6 X' d& X! [# Z3 }. z - border-radius: 4px;+ s) W, E& [! g4 C
- }
/ m; y/ l( B6 W9 { i2 t - .toggle-label:after {
1 N5 [ @; n8 C - color: #ED3E44;) v, T( y) C% ~. V
- content: "+";
8 \6 P& @) z& v/ J8 o/ j1 m+ k% Y - float: right;
6 M9 S6 }* u% l. L$ j4 ^. {9 c - font-weight: bold;
* `0 r" g1 i% c' G - }
) e+ {1 N" B6 ?( ^$ z! V% A - .toggle-content {& x1 D( U& s) w- T1 n1 I& D1 E
- color: #B0B3C2;
# o/ Z' x E+ @/ O8 P( ~. v - font-family: monospace;
6 t9 A; k) k" b/ ~+ m - font-size: 16px;
8 k- |& o) g3 _% u! h9 e - margin-bottom: 1.5em;
4 _9 S" [& j( N, p! N - padding: 1em;% ]/ \7 j* L- u
- }
" r8 @" T8 y& F$ [- B/ o; Z, {% R - .toggle-input {
, @- s6 p0 C; t( \2 ^! h - display: none;
( {+ F2 [1 k; z - }
}$ D1 ]6 J2 s. F: Y0 C( M% P. y - .toggle-input:not(checked) ~ .toggle-content {
$ w0 v, C1 m" q3 B1 ` - display: none;
* y' M8 x8 O$ o! T, v - }1 X* l7 \4 J# n% {
- .toggle-input:checked ~ .toggle-content {9 Q% G6 y" o/ L$ ?- K. S) F& g+ [
- display: block;8 U) U4 b( D& {& ?
- }
6 I6 n ^! h& v - .toggle-input:checked ~ .toggle-label:after {
- v/ Y7 Y4 Z% u( n' b9 d) Q0 ~1 Y - content: "-";
/ G6 }" G; U7 i - }
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