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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!">
7 S4 C9 D g, h$ ]) i% j) S# p - Label for your tooltip& M7 P( s/ a' |1 n% x/ q3 v" [( t
- </span>
复制代码CSS代码: - .tooltip-toggle {
g& _" d8 q4 H' `% r* |* G - cursor: pointer;
- Y8 e" R' y; s. p) P B - position: relative;: U3 E/ C, D; {) W
- }
S1 I; S" c+ Q e) y& X - .tooltip-toggle svg {
' Q" W$ B1 I$ q2 s0 ^ - height: 18px;4 \ P& s) \2 Y' k$ v0 r
- width: 18px;
2 q3 R- _: v8 K - padding-right: 0.5rem;
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5 A# F7 X. w: |" W* K$ d$ i# w1 P2 M - .tooltip-toggle::before { a& T6 y; G8 ]: ]
- position: absolute;
; Z. i& E5 B4 b/ @4 z# n: `( P - top: -80px;7 O, o/ L) Y9 T& `$ u
- left: -80px;
9 q2 I8 V* ]' R0 t4 _5 m' c - background-color: #2B222A;7 X5 d8 q! h' f" }9 ]; q
- border-radius: 5px;* l' c+ u# Y! K
- color: #fff; @& _- R5 U. G! u
- content: attr(data-tooltip);. \! ~3 q1 o/ e* O
- padding: 1rem;
: C/ v. d0 x1 @9 C8 J5 y- X - text-transform: none;
# F8 T* f( R" E; H- Z, Z g1 y& k - -webkit-transition: all 0.5s ease;& ?( F/ G# t8 G/ x- }* M0 s% w
- transition: all 0.5s ease;) X( o" x o( {4 v Y+ t ]! `3 P
- width: 160px;+ H# Z+ e, c# s( d% T9 o- W4 j
- }
7 }; c* F( @4 |( I8 |3 w9 w" V - .tooltip-toggle::after {- ?6 q" a- s+ t* S8 f
- position: absolute; |, H. g1 v/ o* R9 P
- top: -12px;' n7 |, h- r3 [2 H7 p
- left: 9px;
& i0 J4 ?) e+ ^ - border-left: 5px solid transparent;
. }9 i! H5 T# p - border-right: 5px solid transparent;
/ P0 q4 k \! N0 Z7 }+ c4 ^: v7 \ - border-top: 5px solid #2B222A;
, Z& @7 ?8 q5 [. n# d - content: " ";
6 B- z9 h! a( ^# Y; {7 Y) o: v$ t - font-size: 0;
4 K6 O- l! p: F' [3 H- U3 R& [ - line-height: 0;. c# a, ^$ C( l+ B- V# x
- margin-left: -5px; T- Q) |/ M$ u/ v: E; n% v
- width: 0;
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- .tooltip-toggle::before, .tooltip-toggle::after {
9 f( g7 l t7 g7 g& p( U - color: #efefef;
~7 L! V& N1 o - font-family: monospace;* h1 G' R- G( i6 e* q
- font-size: 16px;
% A: _/ {" g* {, N @! X - opacity: 0;
7 F& n5 H, s8 g+ I - pointer-events: none;
" N4 V+ m! c% x$ q, v% v, T - text-align: center;/ [6 t% ~- |2 Y( M+ q( z$ \* z
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- .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {
- ~! A2 h* @0 ], j1 k# g - opacity: 1;* k7 `# y" h7 D8 u( y
- -webkit-transition: all 0.75s ease;
) S( z4 e( P( \ - transition: all 0.75s ease;
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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">
8 c& U# b+ u" l+ @+ Y$ _ P - <ul class="nav-items">
% Y" f m; P$ f: D* \ - <!-- Navigation -->
8 j- j4 [ b7 D0 g; l7 }9 @ - <li class="nav-item"><a href="#">Home</a></li>. i3 u( {5 M. Q4 v% k: `( z
- <li class="nav-item"><a href="#">About</a></li>
8 a i! L* Z' a, ^5 l) C - <li class="nav-item"><a href="#">Contact</a></li>
& z6 _$ i: u5 k2 S# v - <!-- Dropdown menu -->
4 l. b2 G1 t4 ~ - <li class="nav-item nav-item-dropdown">
2 @$ d$ f& Z" Q9 w+ F7 S - <a class="dropdown-trigger" href="#">Settings</a>7 s" ^8 ~8 Z9 W+ v
- <ul class="dropdown-menu">4 H& A/ C: _5 z% A/ @) T' |8 K
- <li class="dropdown-menu-item">' C9 ^* z' m1 B8 E) \0 _2 e
- <a href="#">Dropdown Item 1</a>7 j( h) \4 _* A" |+ r$ a
- </li>
, E) d0 ~' a) x- [- s) z& X8 } - <li class="dropdown-menu-item">
* P7 C( M: E, D3 N# c. i0 X! @) r - <a href="#">Dropdown Item 2</a>
5 k9 ?) C$ }& q( H- ~( W$ [8 A - </li>
: F" I) M; M! D; N/ {* U, v - <li class="dropdown-menu-item">" ]2 w6 l. h7 L. S7 k; ]
- <a href="#">Dropdown Item 3</a>* X$ ]3 I# f. ^9 e5 z9 ]! a3 }& m
- </li>2 ]& E7 c# I. B# t% Y" f
- </ul>( H B" g$ o( w, l4 `5 S5 e
- </li>
( B) N% i( }" F) f( J8 s - </ul>
" C- W) g6 _! i - </div>
复制代码对应的CSS代码如下: - .nav-container {
7 U' b' B: b/ E: W' u* r - background-color: #fff;$ M w0 }/ i5 f& Z
- border-radius: 4px;$ r' U+ S) m2 d# I3 k; k
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
* J* G2 M2 ?" W5 n) m - padding: 1em;
4 M5 w- d% ~1 i/ T/ J% C - border: 1px solid #eee;
( o8 }% f3 }. n# }5 y0 p - display: block;
" v1 v( H$ V7 X/ @ - max-width: 400px;
8 T1 e! M- h4 O( k; Z/ I - margin: 0 auto;4 W* I# V: Q5 j7 @( K D2 u
- text-align: center;$ G# ~# V( ^3 g. a$ O D% U4 y
- }
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- li {
& Q6 C7 Q! Q! D2 [ - list-style: none;) r9 X: k! j9 `9 o+ D
- -webkit-padding-start: 0;' a5 R5 z$ h7 U5 K+ E* p" ~, M
- }
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- text-decoration: none;' B8 B: M3 @9 M5 k1 t
- color: #ED3E44;
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- .nav-item {3 |' s, E/ U9 P6 v% ]
- padding: 1em;
t( u1 f" w% J - display: inline;* Q3 _. \( W8 ~" S, u8 Y
- }
2 J; b$ A* V1 \4 M: l! A( B8 S' M - .nav-item-dropdown {, }7 }; S' C# H X b% A6 ~& ]
- position: relative;( P3 F B' U7 p; x W
- }
_6 F, ^1 E1 x5 s1 k - .nav-item-dropdown:hover > .dropdown-menu {
( ^, Y: }1 z0 @% g% N' O, ] - display: block;6 Z$ c' k% H9 F; V
- opacity: 1;' V0 C5 r! F P! v( S
- } \* }' L$ C$ D0 X" U
- .dropdown-trigger {
4 r3 O- `8 |, p* G3 t. Y - position: relative;
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0 [! h" W' V1 | - .dropdown-trigger:focus + .dropdown-menu {
$ f S+ r$ i' F S" T - display: block;3 ?+ B; V; U- x1 w7 t) ^
- opacity: 1;
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- .dropdown-trigger::after {
2 g7 r+ v, U/ @: V7 h4 D - content: "›";- z7 g' j! _6 R$ `; l& I( a/ ]9 L
- position: absolute;
6 D1 F2 p5 T9 C - color: #ED3E44;. S0 W/ c$ P; z- C' p6 N$ K* G( V5 v
- font-size: 24px;* e- k2 [8 \3 D, @4 k$ w/ X! s
- font-weight: bold;
@/ m4 i, [$ b5 W - -webkit-transform: rotate(90deg);) o8 o4 r- `* U+ c
- transform: rotate(90deg);
/ E0 B5 \4 B) k- x - top: -5px;2 {9 c5 f% q9 I
- right: -15px;, u/ e' t% [- E R, D
- }3 N# o' r' O: I& r
- .dropdown-menu {
( M2 T6 L# }+ Z* q - background-color: #ED3E44;1 J" ^! R# l5 a8 @) f3 ]
- display: inline-block;0 L2 a1 d1 ~1 o3 H: n
- text-align: right;
6 }5 Z! Z) H! m7 N0 {$ |0 ^2 | - position: absolute;
0 Z1 z4 }! `7 B) L1 ~ - top: 2.5rem;
* V$ P; H: X1 W' c: |9 Q/ r - right: -10px;
8 M8 N$ W3 X- [, f2 h2 @& t9 g. I' o - display: none;
- Q5 l" f* A, }" M2 p - opacity: 0;8 j' ^* m$ p7 h: h1 T# H4 k
- -webkit-transition: opacity 0.5s ease;' g5 B* Q/ C8 u. H
- transition: opacity 0.5s ease;* Q0 L. N: E# @1 L' h
- width: 160px;/ H4 K' n4 A2 u5 f' Q
- }, f- i0 s- j; Q* g7 T: W
- .dropdown-menu a {; c& X J! ~0 `, V5 m! ^+ P
- color: #fff;+ M6 z& D9 O0 a
- }
) X: o4 k: ?0 U3 R* | Q6 ?4 | - .dropdown-menu-item {1 U m. J( c# k( o: q7 n: n
- cursor: pointer;
+ k% ~. @6 q% ^3 E6 [9 A - padding: 1em;) p* I+ Z, }2 V4 n# h0 e
- text-align: center;
. { K& G7 V! b* o) c - }9 z4 X9 K: U' I1 k) `, W7 d
- .dropdown-menu-item:hover {
* G) U$ R" R' g% j8 l2 p - background-color: #eb272d;
4 Z \1 q) i5 j - }
复制代码 - ?. `# ^ i- `& P, u
可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">
# s9 c: V8 U* q! \4 j/ i8 @ - <!-- Checkbox toggle -->
- S8 v/ K" B3 V - <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">
6 X' z* }6 i5 i W5 _1 d6 }$ N - <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>! T9 D) d3 |# J! g) v; s$ T' J# ]
- <!-- Content to toggle from www.mfbuluo.com-->% o4 d1 |+ W& u
- <div role="toggle" class="toggle-content">' G9 M6 W2 g) k; f
- BA-NA-NA-NA!
7 N, A# a: S: P2 {$ L$ j) k - </div>
: J& T' g: ?8 ?' u5 x Z# V, @ - </div>
复制代码CSS代码内容如下: - .toggle { y7 H0 y1 g- K% e2 |
- margin: 0 auto;
) x4 f3 B1 J+ n4 \: J9 S9 P2 k - max-width: 400px;6 _( d0 y5 a U" q5 i8 Y
- }; i- b$ m) U' s \4 t2 F
- .toggle-label { Q k& n K+ M/ C
- font-size: 16px;
& M& x. W {3 B4 V9 i w" G - background: #fff;
% K( R, v2 t' }% C d - padding: 1em; S0 X! {4 t, g1 [
- cursor: pointer;
! S) i% [. ^& S' {9 ~6 q+ \ - display: block;
$ c2 q" i; x& [ ^6 Y - margin: 0 auto 1em;
3 S2 @8 B- f; s, G2 Z( G2 [ - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
# T, U! h; r5 P$ O - border-radius: 4px;' b' f5 n7 D2 M
- }
! A& u" t2 Q/ W# ^& D - .toggle-label:after {, f5 R1 G! h$ c+ A- H( U
- color: #ED3E44;, [! J0 c2 L$ U3 K
- content: "+";
) ]0 m$ n: L n - float: right;
- ~- J A5 N3 k2 H- E/ I7 } - font-weight: bold;, ^* x. g; i& r
- }! e/ Y0 R3 p# {+ a9 P! K
- .toggle-content {$ ~5 ~$ V' H# K6 e5 e7 {0 g+ `8 a; h* G
- color: #B0B3C2;
2 e& I9 q" i+ m+ [ ^3 [ - font-family: monospace;
% u/ U, w0 }/ g& G9 Q: V# j0 E - font-size: 16px;9 y3 d8 B$ b' C( d, O# R% y
- margin-bottom: 1.5em;
( B* }" g5 O; A5 i. Y- j8 O - padding: 1em;; a9 e% z5 c2 |9 N" X4 Q
- }6 W$ k2 v' `6 x0 S3 g& v! M
- .toggle-input {
' Q3 s/ q( X* _/ P- [; c8 A - display: none;
# j0 t& P, K: \& `8 ^ - }
& G* W, z# R1 d, L' }( n - .toggle-input:not(checked) ~ .toggle-content {. W( `7 n8 ~$ \: [% P+ `/ K
- display: none;
. W6 U _) B) N7 X. T2 q- v# g7 C$ Z - }
% r, D- S( e! |5 i$ B( N/ J7 b - .toggle-input:checked ~ .toggle-content {0 g: @, d# h- h) ?) u e! [/ b& W4 C
- display: block;
# u/ n% O+ G0 ~3 f1 W9 k. g - }* |3 F" F* ~( S% J [# Z5 o
- .toggle-input:checked ~ .toggle-label:after {
& g1 `6 h4 [, y. \% o: h. j' l) a - content: "-";# m2 u6 M b' l6 x
- }
复制代码
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