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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!">2 q) o: ]" t& A1 C
- Label for your tooltip
, @ g9 m+ t9 \# Y - </span>
复制代码CSS代码: - .tooltip-toggle {
1 |" T, \# @* d3 ?$ A+ f; L - cursor: pointer;
+ W7 x' C8 P/ ~2 p3 ]( Z - position: relative;
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- .tooltip-toggle svg {
! A+ I+ }' P7 u# C - height: 18px;4 ^$ ?) r0 F4 @; h m6 X
- width: 18px;
( L* a7 A e' R' j k2 K - padding-right: 0.5rem;2 z6 S3 f5 d4 G/ O) q0 N" F p2 X) d
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- .tooltip-toggle::before {8 u) y7 G' J- [. `( h& o
- position: absolute;; f* s/ w! Q: g0 h
- top: -80px;
6 I; [$ b/ p6 p( P2 ]7 D$ a# A - left: -80px;! _& U# N* i. i6 S6 P+ [, C9 `" e
- background-color: #2B222A;: c# G8 z& l5 A: |! `0 U4 `
- border-radius: 5px;( V6 w! `1 z+ W; u9 l. \0 _
- color: #fff;' E s4 [ y k; @. P$ [/ F
- content: attr(data-tooltip);* Q+ X$ H4 p7 Z
- padding: 1rem;* r1 Z; i* u% s7 J- S! P
- text-transform: none; h& p, {: t. R* D; H
- -webkit-transition: all 0.5s ease;
; ] a& O8 d3 D9 q& J - transition: all 0.5s ease;
( v' ]( E5 ~; N# f! o - width: 160px;
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- .tooltip-toggle::after {& l' ^4 {: m$ Q; f, P% b
- position: absolute;1 O$ Y' k8 o8 ]0 ^
- top: -12px;
0 X! G% a6 e( S8 V" L3 e1 S( |1 J - left: 9px; D4 h$ C i, n* B {
- border-left: 5px solid transparent;: c8 C! a/ n, S/ P- e& G1 f
- border-right: 5px solid transparent;# j, {" r: j4 T7 h$ d5 }3 j$ |
- border-top: 5px solid #2B222A;- M$ y% Q. r( b& x
- content: " ";
3 l! i/ c+ S" }% d# ^ - font-size: 0;' S1 _9 H' e% h: I4 P) L$ ?
- line-height: 0;
, i# d" U( M( w+ h! x% k; W4 y - margin-left: -5px;$ t* L3 _9 v( I4 \) R1 q6 b
- width: 0;
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, y& {. E# _5 b) _$ x) G. l - .tooltip-toggle::before, .tooltip-toggle::after {8 |) q7 G/ I3 v7 K
- color: #efefef; B- g6 @* a* @% e, g: E/ P* X
- font-family: monospace;
' _. u3 d5 H. F- k; P M$ \ - font-size: 16px;
' v& _# b5 W; o! S4 {+ X' r5 n - opacity: 0;
z% q, F8 ]8 f1 m2 V4 U - pointer-events: none;
& M: K- V9 V0 ~4 Y6 j - text-align: center;4 A' U0 n) H$ K, R0 D ?
- }
2 f" e1 S5 b$ F2 `' W0 p - .tooltip-toggle:hover::before, .tooltip-toggle:hover::after { o$ i4 q M( z3 \, T( F6 |; Q% X
- opacity: 1;/ N3 ^8 ~5 t$ Q r" {
- -webkit-transition: all 0.75s ease;
: R5 q, P( p1 R; | - transition: all 0.75s ease;
( A7 Q4 q# `$ D- P. _ - }
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">/ c( [7 G) t2 V
- <ul class="nav-items"># j! y5 y$ _# z* H }! Z) ^; ^
- <!-- Navigation -->" u v8 L8 q, Q7 v6 j% o
- <li class="nav-item"><a href="#">Home</a></li>: s/ F$ H( h6 M5 m
- <li class="nav-item"><a href="#">About</a></li>
' v/ l R; D7 _! d8 G - <li class="nav-item"><a href="#">Contact</a></li>, K5 G. b( m! x* A6 A& X" s
- <!-- Dropdown menu -->3 o. i3 B) ^( t2 m( c5 }
- <li class="nav-item nav-item-dropdown">; a& g! Y/ n7 d7 `* Y/ r6 r
- <a class="dropdown-trigger" href="#">Settings</a>
' ]1 t2 }/ \. w m - <ul class="dropdown-menu">0 c2 V k- j! f, F) f* u
- <li class="dropdown-menu-item">6 C" _$ h! U6 `! P
- <a href="#">Dropdown Item 1</a>
3 Z( H9 A* f6 i+ i! L2 T - </li>
. x& b2 Z, j5 J4 @: i - <li class="dropdown-menu-item">
& }; p: u1 D! u) a( V - <a href="#">Dropdown Item 2</a>
, K- z2 u4 c9 J3 r Z7 `) r; { - </li>
5 N) @/ G+ M6 Q; M - <li class="dropdown-menu-item">
0 y8 [+ q% U9 H4 R5 X( X - <a href="#">Dropdown Item 3</a>
0 L, z1 G) g$ l# R5 w6 O$ K - </li>
6 y5 ?, b O$ N- W - </ul>% [5 Q2 `) V8 D4 c
- </li>) H3 W3 M$ ]5 x' ]! _
- </ul>* m2 j3 _4 _) } d1 v
- </div>
复制代码对应的CSS代码如下: - .nav-container {
, \: Z) C4 u7 l w1 H7 I - background-color: #fff;6 X9 _$ J+ h3 [' k' z
- border-radius: 4px;# B5 ^( M7 D' i4 B
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
% y* S# r: m) l0 K+ @) r - padding: 1em;
% L# }; |3 Z0 Y+ v - border: 1px solid #eee;) R2 C( u: A) T! H1 |/ z
- display: block;8 T2 ]' B# p S8 ^# V' L# i
- max-width: 400px;! d! ]9 e$ H' R
- margin: 0 auto;
% Y. |/ r; r+ S- i/ @' h1 [7 V' ] - text-align: center;
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- li {
1 C* @/ ^8 S3 Y; a' Z, O - list-style: none;
. N0 }9 Q, Y( l - -webkit-padding-start: 0;/ ]2 b( J4 U1 F2 E+ c
- }
6 \1 T: G3 r9 B) k* `" p' f/ t - a {
4 }8 m s. r, G/ V - text-decoration: none;
, I2 A: I0 ]# x, M1 p% c7 m+ o- Q - color: #ED3E44;' n% i( e1 R$ ~/ ^# ?/ t+ H; x
- }( \- z& q, ]& u* k( [3 L
- .nav-item {8 N2 B' o$ ^7 l& ]
- padding: 1em;/ e- }% o$ k& w' R% o$ g
- display: inline;
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- .nav-item-dropdown {
. A- G9 f* q9 |' s! J- S7 u1 H - position: relative;
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- .nav-item-dropdown:hover > .dropdown-menu {
# d7 F& o5 R* z6 t3 D: k - display: block;
- C; k9 I b* P% ~5 O - opacity: 1;, _; I7 M+ f! V* r) h' _# z
- }+ _) F2 h5 S1 o2 `" t9 l& l
- .dropdown-trigger {
# W: \. L) s7 B' O, Q - position: relative;
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- .dropdown-trigger:focus + .dropdown-menu {. ^* U' K9 A" ~
- display: block;. B- i0 y) w8 [- G9 }2 P0 V# ?
- opacity: 1;
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- .dropdown-trigger::after {. l( K% o( v2 ~5 F- ^% q: L
- content: "›";, u7 p ?3 _: P& a/ u0 J8 s# t
- position: absolute;
/ |2 f6 G3 j/ k0 o( M1 s - color: #ED3E44;
) t6 u. @# K R - font-size: 24px;3 g2 e; R+ y4 c9 I J4 x
- font-weight: bold;7 k- g( D) Q i! ?* p0 B0 r
- -webkit-transform: rotate(90deg);4 z# s6 k% ]6 u# W
- transform: rotate(90deg);
+ _1 H1 A' ~" |. L - top: -5px;
! I( z3 E$ H7 _% |+ P+ ~& z - right: -15px;
5 e- R( ]& j, I9 n; [0 K1 a - }
9 c3 ^ _0 C3 k! ?/ C - .dropdown-menu {
; @' a: P) a; N: C$ ^. n - background-color: #ED3E44;
2 _% U7 g, K" b* h) I+ S y4 V - display: inline-block;+ o. c) q2 M7 t$ K8 p5 ^9 q4 e
- text-align: right;
" p9 I; O; C* w; P - position: absolute;' e8 W" G7 Y" t$ h$ i9 K- K! M
- top: 2.5rem;
6 I L' M$ _- A' Y; l0 z% f$ q - right: -10px;0 k( {) Y" m2 K6 b7 E
- display: none;" R0 v$ I# G+ N! p6 i6 e
- opacity: 0;4 z, x0 m$ P' I$ ]
- -webkit-transition: opacity 0.5s ease;/ [# B1 M6 u9 m8 U, I, D
- transition: opacity 0.5s ease;4 @$ ~% y* E6 v+ x
- width: 160px;# ?3 `, ~( o4 E+ W/ {& m) I, E* g
- }
: p" |5 s5 V, x8 i) \6 i# H - .dropdown-menu a {
8 H5 Q2 d1 q& K6 e0 D) g - color: #fff;
/ x1 R* X2 w+ H2 E/ S - }1 l$ E) V! [. K4 r
- .dropdown-menu-item {
3 q' b9 f0 e; I1 I - cursor: pointer;
/ H$ p: a0 L. {/ v7 q. @ - padding: 1em;+ [% d4 X6 D+ @. C
- text-align: center;
& I. j& z+ ?$ O/ Z/ W1 w( p - }
V' s/ _$ c6 x; r! _ - .dropdown-menu-item:hover {% E" L7 @( ]( ~- Q" m
- background-color: #eb272d;( `8 v$ n# {# b5 s$ W% C2 h0 t8 x
- }
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+ i( W$ D, `: A) d4 X% S: ^8 e可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">8 o- f/ \0 [3 J2 }" v) J2 ?0 ?
- <!-- Checkbox toggle -->, I% d9 K- Y2 n$ p8 |% [) N8 \! b8 }
- <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">
2 ^# }! {3 N' H) m- k d& n7 u - <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>& O9 M% E) u2 |; m6 L
- <!-- Content to toggle from www.mfbuluo.com-->* e# s- Q; y. S
- <div role="toggle" class="toggle-content">8 R7 U7 |$ r; _0 { \/ l
- BA-NA-NA-NA!9 M1 l$ F, _$ N3 |! t. y
- </div>
3 n* u, ^# M4 E# e% a - </div>
复制代码CSS代码内容如下: - .toggle {4 I2 N; E+ Y3 A, v6 L% y2 `7 t
- margin: 0 auto;
5 N, k4 D$ o1 X& e' v7 K - max-width: 400px;* d$ a0 f5 E+ H- O- t4 f, ]
- }1 \# q% `) b w- d7 @2 S* `
- .toggle-label {
) Q4 J1 }& m1 X - font-size: 16px;4 l8 w+ h& ~6 ?( Z- Y& J
- background: #fff;
: D a7 H9 u) P- L0 t - padding: 1em;+ F$ c1 t$ \8 M' L
- cursor: pointer;
4 o, k* i+ p2 M - display: block;
% g) q" Q p7 r- g" |9 t$ W( B - margin: 0 auto 1em;
5 @$ a" U6 T4 g; t3 ? - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);4 e" e' r% E% S: ^9 t0 S
- border-radius: 4px;8 `& o6 S# d t- I3 o. `
- }9 N: N! I1 N3 h& c
- .toggle-label:after {7 W7 {1 M2 g7 |
- color: #ED3E44;
( m$ Z1 h' X9 s1 e9 z1 B4 p5 I - content: "+";
# K; j/ T9 Y) _0 o! f1 W - float: right;
% p7 X" Z* ^! W+ a - font-weight: bold;
8 F+ d- a$ `# g6 E - }+ o9 ], P! s8 |
- .toggle-content {! O' @2 P5 ?$ u1 {$ B5 W
- color: #B0B3C2;
7 b6 }: h9 w4 \* m. {4 S - font-family: monospace;
2 j$ o4 [$ h8 T( y - font-size: 16px;
' Q6 `0 a9 L3 ]! |6 q6 l6 g k - margin-bottom: 1.5em;
+ B: a8 A4 f7 K+ }' ~ - padding: 1em;: \; B1 j6 g+ Q8 b, P6 S9 A
- }2 d% E7 u* N: S. L
- .toggle-input {
+ ^9 |1 b3 A: Z" c! @ - display: none;
* n1 S) |' q( T- o- f: l - }- l' {; \3 W- e5 [. e* b' B
- .toggle-input:not(checked) ~ .toggle-content {
" C9 M7 P, R$ |8 i8 b - display: none;
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- .toggle-input:checked ~ .toggle-content {
% o1 _5 n7 o5 n7 I% ^9 L( U - display: block;. W0 Z1 \ H% x8 I; v, ~
- }$ k4 u h6 R J1 i @+ h: ?: p& t
- .toggle-input:checked ~ .toggle-label:after {/ x# I8 G, ]# i* d
- content: "-";8 N! @! o/ ^3 y% {; \& ?
- }
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