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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!">* p& P2 b1 P6 _& y
- Label for your tooltip* e: r- c; x: K& i7 z5 L, u
- </span>
复制代码CSS代码: - .tooltip-toggle {
6 |4 c9 O3 M' O& @# ?5 o" u - cursor: pointer;
7 V* e" B( ]: p! [: F) c& F1 S1 X - position: relative;& {* F, g4 D! }1 B1 ]
- }3 P( K* e' o3 E E5 v: I, i5 d
- .tooltip-toggle svg {5 W$ n! ?3 ]# q% } f5 X! Y9 o
- height: 18px;
7 _( Y& _% k/ N4 N* I! S - width: 18px;
8 |) D( N( U! }" X+ b* A - padding-right: 0.5rem;
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- .tooltip-toggle::before {# v% B* m) \6 @& {
- position: absolute;
6 y. r& c* f) L" V! } - top: -80px;; ]5 b, W1 S9 t
- left: -80px;
3 R1 ]* l& P. m. Y$ U - background-color: #2B222A;9 V2 D! L7 g, v7 f4 j* t: }
- border-radius: 5px;+ m4 j# } g( r7 i7 K* q) c1 j
- color: #fff;* ^. S" S/ \. \% B& f4 p- h
- content: attr(data-tooltip);
* `' S' x+ C5 z3 }3 \1 W! K7 }$ C - padding: 1rem;. r% M$ X M; l% H
- text-transform: none;
; A; z) u N4 }; N+ m - -webkit-transition: all 0.5s ease;) @' o( X, }' M" d! D
- transition: all 0.5s ease;& E- X4 d2 e! a. r4 H; G
- width: 160px;9 I- x& q" w: J- V$ B( f* c
- }( ^, h3 {9 L, s; H# e# e
- .tooltip-toggle::after {+ D B: S9 [/ E5 A9 I: R1 c2 \" _4 k
- position: absolute;
& n$ d. i, J. R, k& h- y - top: -12px;
# s4 C. q8 K' [1 a- J2 v& x+ f - left: 9px;- _+ g9 o( ?: ?: R- c! U
- border-left: 5px solid transparent;
: W+ y+ X- T6 {5 y4 E - border-right: 5px solid transparent;$ U, m& [1 |: |7 E% r
- border-top: 5px solid #2B222A;
* h" S" h7 A. L( d - content: " ";! l8 a! W! t2 b( P- e: @
- font-size: 0;
* ]3 X! }0 h7 f! U# R( v+ F' z7 s - line-height: 0;
* l' i2 a; P# Z% P - margin-left: -5px;) Q" x2 Z: _' `/ F* P0 z( t A0 e& L
- width: 0;
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- .tooltip-toggle::before, .tooltip-toggle::after {
t) a. @3 N1 V7 A - color: #efefef;7 S/ W6 y% U/ O" J$ l! E x2 l
- font-family: monospace;
9 }. {% {$ Y. e. ~+ G - font-size: 16px;: O5 V) b, c* J ^0 |# @
- opacity: 0;; s1 O6 a, }5 p; {5 E: D
- pointer-events: none;
}% [+ p0 [* a( x - text-align: center;6 E# Y6 I) h9 d! {4 F
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- .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {; Y) W1 E2 @0 H! ^3 I( q; p
- opacity: 1;9 e! |/ v! I" {; p! A
- -webkit-transition: all 0.75s ease;4 `$ ~2 Z' u3 I( C1 ^' g
- transition: all 0.75s ease;8 N5 a, ^8 q$ g G T. f
- }
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">
+ x% |& ~) V3 y! A: d6 j - <ul class="nav-items">
3 b5 r$ r" r2 M- x7 f# r6 I - <!-- Navigation -->
P2 I! a1 {: @% \( Z5 a - <li class="nav-item"><a href="#">Home</a></li>! ~* l2 v/ S$ F1 Z# f
- <li class="nav-item"><a href="#">About</a></li>' P* a3 q6 ?; ?1 n: w( T
- <li class="nav-item"><a href="#">Contact</a></li>
$ c) @2 {3 _* C+ U8 q - <!-- Dropdown menu -->
O9 [( P0 K& n( g0 Y8 m - <li class="nav-item nav-item-dropdown">
~" k0 I$ h# h* o% B - <a class="dropdown-trigger" href="#">Settings</a>
* {# p. Q" j: f; K, R- F - <ul class="dropdown-menu">
! ~ E, d9 o2 G4 c' \/ v: i% z - <li class="dropdown-menu-item">
! V" }$ e) H8 v1 l - <a href="#">Dropdown Item 1</a>! d7 U1 L/ {5 ^1 f
- </li>
8 U2 n/ |& N1 X) f0 t( k - <li class="dropdown-menu-item">( [, e% }% c) Y7 M! |7 x
- <a href="#">Dropdown Item 2</a>" u% N5 a0 f0 o4 Z, W% D
- </li>
) J8 p( _8 h8 `5 P x' ] - <li class="dropdown-menu-item">
7 ~8 p, h/ b: |5 g# } - <a href="#">Dropdown Item 3</a>& M: ^. {4 N- q$ }5 l; P
- </li>% v0 t+ o6 B; ]2 C# D
- </ul>
! N0 u( N- m; P# G4 k. u8 u0 R - </li>- S1 ~( J( j6 w* W; f
- </ul>
, P7 v! p; G; J5 N - </div>
复制代码对应的CSS代码如下: - .nav-container {8 o# m: r2 b/ X. e( i, [
- background-color: #fff;
& c& z8 G+ U2 \ A; n: o - border-radius: 4px;
. T) C+ k! a v8 @ - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
) ~' |4 ]& S. Z; S% z& U& L - padding: 1em;& n/ Z: F" U5 K
- border: 1px solid #eee;) _5 G, W: `5 x, R. f) j
- display: block;
2 ~; q+ Q% S: m, A - max-width: 400px;
$ p! C/ v' w8 r0 e0 Q) H - margin: 0 auto;2 k; Q2 ]6 \/ H4 Q3 U$ b
- text-align: center;
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- ul,
: ?+ ]. N' _% j* x; E# D7 u5 G5 n* K - li { t9 S8 |) p0 v- {* j
- list-style: none;/ d# B* T( B* \% y' q0 i
- -webkit-padding-start: 0;
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! z" ]; N3 `+ N8 E% Q" T - a {
* R: a& l0 X: z- j* k - text-decoration: none;, d* t2 t1 k% G8 f; E1 A
- color: #ED3E44;9 J6 Y% m7 U* k4 k: Y
- }
Z& |6 }' n' Q w( y - .nav-item {- h. G9 O/ i- t* X' M0 Q& z
- padding: 1em;
, r* @3 p/ t9 j% z1 f/ c# I - display: inline;- p! F, ?! E& b
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- .nav-item-dropdown {
/ V& w ~- W2 y - position: relative;
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' ~6 }# V6 K6 d. a - .nav-item-dropdown:hover > .dropdown-menu {7 {$ _! t% K3 W& g8 B5 Q0 k) {# u' C
- display: block;
2 r" H8 Y% y: V8 e# y5 o. G! D6 L - opacity: 1;5 C$ M# B; T) ~( G2 z2 }
- }/ E3 r0 N4 o- m) k. Y" Y& ?* z
- .dropdown-trigger {
* K& N: C3 }& _1 d b - position: relative;! \" u' i# P+ @! k( ^
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- .dropdown-trigger:focus + .dropdown-menu {
" H' R. K9 V/ h: H - display: block;) o, J y2 g" d, J6 z
- opacity: 1;
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" o7 d/ V( F1 X7 C! v: u - .dropdown-trigger::after {
4 k/ n) O" |* h% U6 ^1 G6 \% z - content: "›";
4 k4 b7 |8 e% q0 @ - position: absolute;6 `/ r, f' j2 x9 ]' ?# w
- color: #ED3E44;! h( ]; I! _9 V
- font-size: 24px;& H; O. v- g+ h8 F: `1 i) ?0 ^
- font-weight: bold;
$ H( |$ W7 w8 Z, k# M, T - -webkit-transform: rotate(90deg);1 e8 y& m- x" R0 E' f9 c+ L
- transform: rotate(90deg);
2 b, T6 n: T: ]2 C! T. l1 _7 M2 x - top: -5px;4 @$ i' ?$ v. `+ ~ m* W* J
- right: -15px;
" ]5 c- v$ I: a - }
% }" i: _5 ]( o# h+ R8 w& `: n - .dropdown-menu {
: H! u- [5 g- }" ]. ? - background-color: #ED3E44;
& w; a! u, D) C0 Z - display: inline-block;: D& v! G, n- `3 `7 `
- text-align: right;1 }7 m$ f- X+ r% U( S* F p/ v
- position: absolute;( C" C, O9 F+ @) r) ?9 b% N
- top: 2.5rem;3 g( h1 ^' G) Y$ Y
- right: -10px;
, q) P3 a' X6 B6 P3 }' ~5 y - display: none;
& b" ]5 w! t" s3 U+ m* G) z - opacity: 0;1 u n* i! ?/ c; \
- -webkit-transition: opacity 0.5s ease;0 D4 b4 X+ O. h, d3 W6 r* G" h6 V
- transition: opacity 0.5s ease;# b( Q- @ \& ?5 C
- width: 160px;& C7 U) ?; ~# {( ]
- }* v3 A' c: H& w
- .dropdown-menu a {2 x1 I% F U; ~' A V, M
- color: #fff;% b+ g. C+ W: a) l o5 N2 M
- }
. \% ~, C* \! i/ F2 z( [9 w - .dropdown-menu-item {/ \' y# I7 d7 ?; C2 _$ c
- cursor: pointer;$ S' x2 @& ?! B6 c# ~
- padding: 1em;
. T# L8 m/ a, d6 [ - text-align: center;6 {) U$ N- [; V
- }+ k; p, X# G4 T4 O9 e1 T
- .dropdown-menu-item:hover {! o: b9 S2 u7 A' a t& e6 o( \) [
- background-color: #eb272d;
/ H8 f- @' S2 r2 h; b+ y: F& c - }
复制代码
$ r: o' T: O$ t: p: y- J可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">
8 \$ s" T% U+ T/ p4 g3 | - <!-- Checkbox toggle -->
5 k0 x& d, X: k5 {3 ^) M - <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">4 ?- @ w& p9 p( @9 t5 B
- <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>( l4 o$ G. t! i/ Z: [0 `& \ k
- <!-- Content to toggle from www.mfbuluo.com-->8 s- e# U5 L5 E: X, Z8 ^7 U
- <div role="toggle" class="toggle-content">+ f" p1 d9 T# r* {# B
- BA-NA-NA-NA!! J9 \3 A( y/ v. z. }3 I. S
- </div>
& G" L9 K, J* S - </div>
复制代码CSS代码内容如下: - .toggle {- d9 r: K7 J$ e
- margin: 0 auto;
" m! }6 |- I' r - max-width: 400px;" n% S* Y& n/ Q
- }+ I+ n- V! [% T9 G
- .toggle-label {
2 k% z3 H |7 |" s6 d' I - font-size: 16px;% r v6 O+ k* j. Q; x* j
- background: #fff;2 r+ A0 i: {1 p6 w/ z0 ]
- padding: 1em;& f9 v4 L, o0 r& N+ z
- cursor: pointer;$ j" U& X3 T% B
- display: block;6 h$ w9 w& M9 K
- margin: 0 auto 1em;
0 n/ x% o- {$ g& Z - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
1 I; w1 d! I) o( n i6 ~, Z - border-radius: 4px;
7 q1 K. _: T8 M# h4 C7 C7 S) z# j; d - }4 e1 {. b; m$ R! s# Q M
- .toggle-label:after {
$ N+ J( i: a5 ^ - color: #ED3E44;
+ J- Z4 j! ^3 t5 W1 v - content: "+";' F# q0 n0 k* Z7 E9 ~3 W
- float: right;
; Y: N" _* I0 D: m$ i: q; n - font-weight: bold; S8 D# p4 @( \! |) T% D& b
- } c* w2 T+ [0 @# N, ?4 N. Z( x
- .toggle-content {
0 J( O4 _# d# }8 s - color: #B0B3C2;
' r8 N2 [! X7 ?; i9 O1 l - font-family: monospace;
l/ o1 s) \' v* v - font-size: 16px;
- [7 z( j5 Y8 X9 K9 k/ `! T$ ] - margin-bottom: 1.5em;
1 f, [9 Y; _0 d - padding: 1em;; |: l& |% u, N. ]" S, |' q6 @; h
- }
1 } I; W' c0 I7 g! w, Y) l - .toggle-input {
. o+ D& V( S' B C - display: none;( w& n+ ]& D. x# T6 K( g
- }
. L" d) J3 T8 O - .toggle-input:not(checked) ~ .toggle-content {
0 N$ ~# U: D# Z. c5 D3 e1 j - display: none;1 J% O) l; T! Y+ }# Z
- }
9 N- L) \/ p" m/ |" `. X- Y - .toggle-input:checked ~ .toggle-content {9 _1 f" M7 }0 Y
- display: block;
; c @; s0 k7 B( e% p - }
/ z- D- ?' Y$ y, Y - .toggle-input:checked ~ .toggle-label:after {
+ _. ^, M0 t% S# i - content: "-";
* d- _' m: l3 j0 A - }
复制代码
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