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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+ |" }+ a2 x - Label for your tooltip
5 y. u" C( K# B; z - </span>
复制代码CSS代码: - .tooltip-toggle {! c% Y" T% m4 p7 P6 Q$ d* Z
- cursor: pointer;
2 S5 N6 Q1 c+ g8 e7 k# l - position: relative;- [) X2 e3 g( G [
- }
- X$ G: K( j. ^# W. L - .tooltip-toggle svg {: g9 D" g1 x3 h K% ^ k
- height: 18px;- E6 j- `( c' e V0 d
- width: 18px;8 U0 h: D0 X% F$ k+ A) b' T! P
- padding-right: 0.5rem;
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- .tooltip-toggle::before {
5 i5 S/ Z% J3 J) b - position: absolute;
3 y9 p7 ]1 J0 ]5 E - top: -80px;6 a* t4 J. _/ i4 B
- left: -80px;
* B) s3 i/ v, }+ u1 D - background-color: #2B222A;
+ w+ y$ V0 S8 h - border-radius: 5px;- [4 c' ~' y( o4 r' H
- color: #fff;
$ U: G% Y6 h+ C) J7 l4 I - content: attr(data-tooltip);! q# F0 q0 _! N5 q4 P+ Z' l
- padding: 1rem;
* T& `0 J$ Z# s9 V2 Z# g ? - text-transform: none;
% a. D$ x" K3 j f5 z - -webkit-transition: all 0.5s ease;* F5 N+ ?: f" V6 I/ F! S
- transition: all 0.5s ease;
) F$ r, f- g$ U; I* [ - width: 160px;
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- .tooltip-toggle::after {* M; H. o* X1 u9 A
- position: absolute;$ h. I# @/ r% X9 y2 P1 r( N
- top: -12px;
$ y3 k& V# r; ?( o7 E- ` - left: 9px;& A% [% X6 A5 |! H
- border-left: 5px solid transparent;
: ]3 K4 ]+ _4 Q$ M0 ~( ^ - border-right: 5px solid transparent;# x5 v- _9 z: j+ N
- border-top: 5px solid #2B222A;
/ y$ B K3 z2 s& K5 D - content: " ";1 K" Z% u j9 c: q) `; q
- font-size: 0;: N5 g6 t% d$ p. B
- line-height: 0;+ u: P. m1 U" B* J; N
- margin-left: -5px;
- O- @" k# q7 w) \; K - width: 0;
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; u: ^+ R$ q' O9 E* s, l3 Q - .tooltip-toggle::before, .tooltip-toggle::after {4 P/ X V* P) g" M5 p6 g
- color: #efefef;9 ~; Z8 x, l) l, z
- font-family: monospace;
% @1 n4 L2 [! ^# x% r* I1 H - font-size: 16px;
7 m/ l2 T `* L5 V* @ - opacity: 0;
% \+ x; m p. O6 U - pointer-events: none;% _7 E8 j* m9 _! H
- text-align: center;
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* n; a q3 x k/ W4 k - .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {
, y; L, r% n$ s - opacity: 1;
; U: i( S) s4 c$ {1 M# V - -webkit-transition: all 0.75s ease;
" l7 K R9 S( S. S# D - transition: all 0.75s ease;: a* D1 |6 i9 g& S F- R" K& 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">
% l5 F$ l( _! G( n1 y/ x; a: d: Y - <ul class="nav-items">( y9 u, y5 ]5 O9 E
- <!-- Navigation -->: V+ v$ P V9 z* i9 x; O6 Y8 K; Q
- <li class="nav-item"><a href="#">Home</a></li># E7 t, N8 Z* Z5 C4 S b6 Q
- <li class="nav-item"><a href="#">About</a></li># S* g6 z4 w# A( T
- <li class="nav-item"><a href="#">Contact</a></li>6 L( a8 _5 o9 Y! \; l7 I& n% M
- <!-- Dropdown menu -->) O/ l5 f0 y5 }) q8 G: G
- <li class="nav-item nav-item-dropdown">
+ g0 x1 s; L+ ^$ M) Q. p$ j1 { - <a class="dropdown-trigger" href="#">Settings</a>1 L: M* f) a9 Q- Y( P
- <ul class="dropdown-menu">0 V) K% o; g' b' A8 h
- <li class="dropdown-menu-item">
- p% l3 H9 ]9 q/ [. U- {; L - <a href="#">Dropdown Item 1</a>
4 C. B9 Q" e& z - </li>+ }' \) ?$ D A& c# I+ V8 G- _0 }
- <li class="dropdown-menu-item">' ?# Y- K9 d9 d: @2 H9 G4 W
- <a href="#">Dropdown Item 2</a>& n, {, x# E& o+ I O, u2 ]/ r1 r
- </li>
/ m0 y- U: P: Q4 I - <li class="dropdown-menu-item">
* S; e3 c' h; E8 ?' B& F2 u - <a href="#">Dropdown Item 3</a>7 o/ I# i6 s( n) Z: K
- </li>: ?6 ?( u* A) r/ ~, O
- </ul>- C% |* ?5 o7 |* C- c; H i' |0 `
- </li>& \9 E0 T* |, E" C8 j; {
- </ul>
) [4 S0 @: L5 D0 f: R1 { - </div>
复制代码对应的CSS代码如下: - .nav-container {+ P$ u# {6 D+ t9 h- I0 K
- background-color: #fff;& ^. l. `1 d% ^1 _1 n! T( ^
- border-radius: 4px;+ |9 L2 I9 q' @6 r
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
, B8 {% m; y" D; ~6 G) L - padding: 1em;$ m$ Z9 W# q% W8 }# _
- border: 1px solid #eee;. i* {% i" O0 m# }6 y0 d( _
- display: block;
* g! V: v! A; l4 ^6 A5 u+ d3 p - max-width: 400px;* p7 |! d4 t; G" T, k
- margin: 0 auto;
& U l5 \0 w" x7 ]5 Q0 Z! z! _ - text-align: center;
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- ul,
; h' ~& t; d `8 G - li {6 |* `5 L/ k# f. I
- list-style: none;+ s ]1 ~% t4 W" n j$ M
- -webkit-padding-start: 0;7 S: O3 I/ Y& z1 m: Y
- }7 t$ x% N/ x ?8 _# A+ J
- a {
9 Q" u& o5 ^, B5 ~9 R, U, d - text-decoration: none;3 i$ H6 Y& k% P2 i! \6 q7 o
- color: #ED3E44;- w& }: @8 q+ [- X" u$ @( J: ^% b
- }
! q; R; z" t: C3 X - .nav-item {
% u Q0 T" Z' V/ O1 C3 {# P6 S - padding: 1em;3 F3 a$ W/ t9 M. M
- display: inline;. H- y- e* `& R1 n j, n8 \
- }
+ y+ r7 a- a6 U4 L) x% H- L - .nav-item-dropdown {
0 z6 X9 ? g5 ]* U - position: relative;( V5 B! F+ c$ i0 j' {' ?( g
- }
9 i1 d& e2 K" t7 o, t. H2 @ - .nav-item-dropdown:hover > .dropdown-menu {
* p0 f) B0 A4 w6 `7 f8 t - display: block;5 \# D w. I: P& h) A+ R
- opacity: 1;
$ L% W7 t# X. v8 \) X - }
) }) Y8 E& F' m - .dropdown-trigger {
! i: ]$ c+ M9 c; c8 F$ j - position: relative;
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! j' K9 y' w; C5 e7 }. D9 X - .dropdown-trigger:focus + .dropdown-menu {" \( e) L7 {! D2 Z$ u9 S& ?% I: h5 ^
- display: block;
$ }; k$ g, A6 V - opacity: 1;4 e- I$ V/ }7 n0 |
- }
& G6 }( _$ V- ~& k - .dropdown-trigger::after {
+ v0 U4 F- K: I - content: "›";
) s, w. |# z! W5 \4 ^4 A - position: absolute;' f9 G# m5 X6 }& Z& A- N4 i
- color: #ED3E44;
4 E6 R! }5 X% ^/ o - font-size: 24px;
c$ L1 c9 P6 s, ^ z8 G; Y - font-weight: bold;0 x! K6 K$ B' G5 w* o. k9 `8 i
- -webkit-transform: rotate(90deg);
* Z( |+ W6 {& K0 z- D1 z6 h - transform: rotate(90deg);' Y2 W# t4 K' i0 H
- top: -5px;0 U5 z: K. k8 \) t; ~
- right: -15px;1 @- l& @1 I3 l7 i0 _+ o
- }
- c# X1 m3 R6 V8 j/ w; h# f - .dropdown-menu {) b# F1 {4 O* }' ]: h: a& U
- background-color: #ED3E44;( Q+ r2 s* V0 k
- display: inline-block;' }$ A. L% R3 G$ w/ f, r* R
- text-align: right;
, o: l. l* {3 r+ S" {' M( N% F - position: absolute;% C$ i6 S6 M" x+ F
- top: 2.5rem;
& {, V& O; j/ `, G( H - right: -10px;, E) ?9 {4 a# c" s1 z# [; r* y9 ^$ F; A
- display: none;( a) m) f* I4 i$ S
- opacity: 0;
Y! V: U+ m4 P! ^" d+ w - -webkit-transition: opacity 0.5s ease;
! n: J$ C% W3 t, T! I - transition: opacity 0.5s ease;
% D; G- n+ B* L+ e2 z" \! v4 D - width: 160px;
0 T; W7 h4 ?. W. ^4 I6 P2 v4 ^ - }
5 m4 z \8 r) V! c" B0 R8 x! v - .dropdown-menu a {4 X0 d; }* e) ~" o5 S" \' X2 Q
- color: #fff;
) z4 `, l/ _: r4 }% n - }
/ Q+ ^; X- O8 [3 o# z2 |* K - .dropdown-menu-item {% G. w3 d' @! }
- cursor: pointer;- }) ^0 V* o( Y# Y
- padding: 1em;" E0 _1 E* ^, n; p3 b* g
- text-align: center;9 v5 m4 ]* |/ |1 j0 q4 f- }6 ]2 ?
- }
; I9 T9 q1 n9 V& t( ~ - .dropdown-menu-item:hover {( r# ]/ F5 {5 P& ]
- background-color: #eb272d; m, Q9 f# V% H9 d% h
- }
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! J# c9 V. @/ m' G可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">
/ p, ~( I% h7 {0 S9 h- `) ] - <!-- Checkbox toggle -->
. P v% I: o2 \7 E; ` l# u - <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">
% x; J" _+ n3 i" e, h - <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>& R, T( x5 k3 I
- <!-- Content to toggle from www.mfbuluo.com-->
3 r* m; B7 |/ ~ - <div role="toggle" class="toggle-content">
& ?/ k5 F4 j% f' |6 R6 c* z D - BA-NA-NA-NA!. d! I9 d W, P! V! n6 W( Z
- </div>' x, E) n5 Z3 z+ {1 h
- </div>
复制代码CSS代码内容如下: - .toggle {
+ u: H- j! a; r- g$ } - margin: 0 auto;! H% i) o8 U) [4 ?
- max-width: 400px;
2 c5 \7 L- ~: t) F - }
% w- U- {2 C9 W" } O% c# ^' i - .toggle-label {
0 r% u' _' @! x- ] - font-size: 16px;% ]: Q* g. @6 s7 N, l0 ]/ |
- background: #fff;
8 T3 v1 W7 I( |" G. G - padding: 1em;
- m4 _0 }" t& j* L$ M! @" g& J - cursor: pointer;" k" a4 k1 w' b1 l
- display: block;2 h5 R" e' j/ h3 s" P- ^
- margin: 0 auto 1em;
, F: s, V: }6 b0 @& y+ e o( c - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
* I0 |# j* h$ K% V6 U - border-radius: 4px;
+ r2 y; A" L, I' e- g - }
4 H. I2 B2 ?. l1 U( N5 K Z - .toggle-label:after {
$ T* C( m# }+ ^/ s - color: #ED3E44;
1 z+ o% u3 E T! r. d - content: "+";
6 m$ x3 s% r; k- f# E - float: right;
; W( n! @" T0 O3 B - font-weight: bold;
5 l& n, F" q0 h - }$ s! Q2 S& N" [& m/ E2 `
- .toggle-content {
* m" a% S3 B) J! s% p/ _ - color: #B0B3C2;. m! D* {3 b, u
- font-family: monospace;# S* Q* }0 \! @3 H, z$ J: q
- font-size: 16px;/ _" I8 q" A8 ]* j
- margin-bottom: 1.5em;
4 D1 _5 d% t+ X* ~ - padding: 1em;
+ y1 o# r. [# V" d# N9 |! w - }8 I2 W( }7 K) f+ }0 K( h3 [
- .toggle-input {. c. n) F \+ r! Z6 x
- display: none;: l1 Z/ Y( q1 ?" k
- }
3 V& f% p4 B3 u9 i# r& x3 {, a - .toggle-input:not(checked) ~ .toggle-content {% ~- o1 Z1 f; Z' @- Z2 _
- display: none;: B( k( C9 h3 `* i( ]7 I' [
- }
, g" }' }& u/ D5 f$ i) A, q - .toggle-input:checked ~ .toggle-content {9 q V% f3 R" ^' Y) D$ y
- display: block;4 _8 k. ?9 p Q/ c5 @# t' X' T
- }
8 U8 W' ?$ y( J# W" n - .toggle-input:checked ~ .toggle-label:after {" a9 T+ m9 J; t/ S0 C
- content: "-";7 n, z: B# ^: H
- }
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