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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!">
, z+ }+ A/ O3 @. T c - Label for your tooltip+ F* I$ q* J4 W3 o
- </span>
复制代码CSS代码: - .tooltip-toggle {
W: v+ V" {! w3 u+ ` - cursor: pointer;/ a A1 E0 Q9 U7 s4 d! K
- position: relative;; M: R t( [! U$ L9 K2 C9 k2 B' p1 V
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- .tooltip-toggle svg {
) k; h# G N% }- \1 ^( J& B - height: 18px;
9 `0 Q; Q+ H& g5 h1 R - width: 18px;6 I4 B1 u p5 r$ O+ S
- padding-right: 0.5rem;' ^ K% {# d1 g; a+ {3 b8 d! C
- }
8 C, O2 Z6 w3 N1 K - .tooltip-toggle::before {- P0 \% Q# S( S5 N* _
- position: absolute;
9 ^2 ?$ j! N# r - top: -80px;
5 I8 L3 J# X2 D4 j - left: -80px;* r5 _& h6 G. n% G5 m( P4 ^8 v
- background-color: #2B222A;
+ O$ a6 z/ {$ c1 m4 u - border-radius: 5px;
# J) p6 p/ S+ @+ R6 K - color: #fff;
9 l; s5 K/ \* x: e1 j - content: attr(data-tooltip);
( N0 N7 ^& W. n: M2 Q - padding: 1rem;' S0 F. l! l9 L5 D
- text-transform: none;
% @2 v9 Q' g; z - -webkit-transition: all 0.5s ease;" u+ y: R7 j/ _2 ~' \ P/ W
- transition: all 0.5s ease;
# g& |( A/ R% i0 X6 M& J - width: 160px;$ h Z# S, j" R+ X- ^- [( z, p
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- .tooltip-toggle::after {* b" e9 A7 q3 d8 k3 \* a
- position: absolute;
$ W8 e8 e8 q! O5 C! r" y! p - top: -12px;
* w% X) x0 q5 K. G - left: 9px;" o/ K7 O6 w* r( n
- border-left: 5px solid transparent;5 Y) z7 C+ d- Q4 ^' \; x {
- border-right: 5px solid transparent;9 z8 X4 o/ j$ O
- border-top: 5px solid #2B222A;
3 ? l( D! K/ F8 T9 D# ] - content: " ";
3 G0 s1 d: ]% Y - font-size: 0;
% w# A) q) e1 z; v; b - line-height: 0;
' ?# P; a$ k5 ` - margin-left: -5px;/ o+ \% c3 ]/ Z/ M$ K& E
- width: 0;
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- .tooltip-toggle::before, .tooltip-toggle::after {, _1 x Z; D& l* J5 E% U
- color: #efefef;
. M! r* `. J6 \! _5 n3 M. _ - font-family: monospace;! Y' }& ?8 ?9 I& z4 ~3 \; T$ e
- font-size: 16px;
. i+ N' C# N; r: a - opacity: 0;
- X, }( G# m( I ^ - pointer-events: none;8 q' r+ u( W2 V4 ?
- text-align: center;
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9 n- f' ^, U% L+ E) o5 e) Z5 i! o: w - .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {
; u+ Q, W. |8 R - opacity: 1;
) m" }# Y) I; w0 r' U - -webkit-transition: all 0.75s ease;6 t8 h3 ?$ F( E O
- 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">
# Q- I5 u8 q: ~0 y - <ul class="nav-items">
' A% R% D% K! ]! F, U0 t - <!-- Navigation -->
7 i: f! {1 \3 `0 _5 {9 J* h3 e3 e - <li class="nav-item"><a href="#">Home</a></li>
" m5 o: v ]* a1 i. O, N - <li class="nav-item"><a href="#">About</a></li>
6 L/ T) d0 c7 H) J - <li class="nav-item"><a href="#">Contact</a></li>
& y% D* e% P* P2 f - <!-- Dropdown menu -->
' w a* \0 ]0 K- G Y$ q# n - <li class="nav-item nav-item-dropdown">
8 g3 [! m- Q2 X- B& V( ` - <a class="dropdown-trigger" href="#">Settings</a>0 C$ ]) O( W S$ H
- <ul class="dropdown-menu">
) e0 p8 @3 B& l7 | - <li class="dropdown-menu-item">- \( q0 w! }6 M! E# Q9 |
- <a href="#">Dropdown Item 1</a>8 C1 f5 N' p8 j3 B7 Y- r
- </li>1 B% q! t- o& |" h2 }, k
- <li class="dropdown-menu-item">
# L( j( O0 I( }6 M - <a href="#">Dropdown Item 2</a>/ i; j: X8 f+ ?$ C( G& c" j6 X
- </li>
$ s r y2 b! c2 H% h/ P& S - <li class="dropdown-menu-item">9 l# Y. d5 b, y. K
- <a href="#">Dropdown Item 3</a>) a1 J1 m$ V0 O4 K
- </li>4 s, q" p4 u3 x: T F+ |: ? X" X' r
- </ul>
, e' G" ~, W# F2 k& F) r - </li>
: y9 H g4 i6 B - </ul>
) ~' Q: P9 A" x2 [$ H5 T+ N - </div>
复制代码对应的CSS代码如下: - .nav-container {9 D$ N i& Q- ?1 v! u' v i
- background-color: #fff; k- U, [# G' e. M9 J8 G
- border-radius: 4px;- M* X% U6 ?9 ~+ _ ]& l
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
) ^5 o8 R- n# d0 w; a+ D - padding: 1em;# {8 d' S* o8 b6 }
- border: 1px solid #eee;4 X! ^8 K# X1 z w/ E
- display: block;
8 s9 |) m, f9 \3 G) B0 v - max-width: 400px;
0 c4 i2 s, Q2 V& |, k. u9 [ - margin: 0 auto;- N2 ~) t" M1 v
- text-align: center;# O7 o8 N# }$ t9 S
- }
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- li {1 m% r; H. m$ B! Z0 l, L& k
- list-style: none;
; f0 T$ q1 Z! B u - -webkit-padding-start: 0;! g! Q3 [+ u2 W$ M. G- h
- }
) w) x. t9 ?; F5 D1 X - a {
. ?; i9 s5 B Y - text-decoration: none;
& l! w; Q% y; } l/ n( Q3 P - color: #ED3E44;+ V( N6 e+ g+ Q) k) S: r1 E y
- }3 k+ Q/ P" {! ^7 O3 b6 @) w* p
- .nav-item {
- p+ G5 P( N5 T/ z( B @! W - padding: 1em;/ u$ \3 T% j' l) [! a& m
- display: inline;6 ]. @# V( u; T- w! y7 L' K1 x0 A
- }
- T$ i6 _! \6 b$ A7 q# U - .nav-item-dropdown {+ y$ _( K3 Y0 y' \; \
- position: relative;+ @1 o: O& r5 M+ {+ j/ t
- }
# W2 E3 L% k+ V( y - .nav-item-dropdown:hover > .dropdown-menu {
9 T8 u1 n- U" A/ N7 B2 ? - display: block;9 D! h9 W2 o& z' [8 r" ]( K
- opacity: 1;2 O, j5 ~/ P" v% z4 _. X9 O
- }
3 c6 L; P2 i9 p' G. i* n5 P4 h - .dropdown-trigger {; U$ V T$ Q( {" d& z
- position: relative;0 P0 a3 N$ Y; E
- }
4 A5 u1 p9 a* p( `) p% ` - .dropdown-trigger:focus + .dropdown-menu {3 @. T& s2 O, y" h
- display: block;+ r" g! N) Q/ I6 o. |: Y$ E& t9 l
- opacity: 1;
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. w; C3 k# s; V0 {' n7 O4 Y - .dropdown-trigger::after {0 D j0 N, p+ l. v
- content: "›";: }0 ^' ^5 y- ?4 G1 {* T3 r+ |& W
- position: absolute;* f* X" U' l' h' u& K4 H
- color: #ED3E44;
% v# T3 u, |. u/ ^ - font-size: 24px;0 w/ y' \3 x3 p, M, C! o
- font-weight: bold;! _* _) f3 U7 M" u+ F" a4 o
- -webkit-transform: rotate(90deg);
" T; N$ W6 p4 j2 e, M7 G* K - transform: rotate(90deg);1 s( J3 L3 F' o7 m9 s5 }( v6 l
- top: -5px;2 r; e, q, B! h3 S" R$ b
- right: -15px;
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" \; E/ l0 _5 W, q4 N - .dropdown-menu {/ X. E x% ~8 \
- background-color: #ED3E44;1 l: X' ~7 I# |; @% l
- display: inline-block;: I9 ?: I3 W( c/ S4 _" o
- text-align: right;
/ p5 B3 H4 m y5 B! N$ ?# e - position: absolute;/ H0 `$ X7 d- q1 \% m. R2 U
- top: 2.5rem;$ d- [ p7 S4 Z% Z
- right: -10px;; g! f1 k+ G/ V
- display: none;
0 a5 m$ ]+ Q* u0 m0 l - opacity: 0;! u( @( U* A5 f& y, F& C
- -webkit-transition: opacity 0.5s ease;
8 Y8 D; \' w+ E( F. X1 m) ` - transition: opacity 0.5s ease;
( J3 z2 w: t) \- d: L - width: 160px;5 L# i" j3 I- W4 H6 F( e- E
- }: ~/ C" b* L8 H( c" |! J
- .dropdown-menu a {- D, m$ l7 \4 Y8 Y! f9 H' f
- color: #fff;1 r5 P8 X* g1 y% Y
- }) r/ }- z; F2 A% w- U7 K6 r+ o9 d- x6 T
- .dropdown-menu-item {
* j5 G+ {$ U# I0 U) l/ I - cursor: pointer;2 H( D: ^8 f* Y; G
- padding: 1em;
& u! _% W" q" B' e4 z) q( C - text-align: center;
i, e* [. o! s1 n* O - }( P( z$ D1 ^. e; J$ M1 _
- .dropdown-menu-item:hover {& A1 n' T8 y2 M
- background-color: #eb272d;
0 ~" n! I3 X# e9 Z* H - }
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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">( j1 m5 s- G, {/ A8 x8 o2 h( H% d
- <!-- Checkbox toggle -->
- L$ A% N( q) }5 w$ E2 D' Q) m% a - <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">
+ ]5 v) R/ q; b' P - <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>1 S. ]+ X* J: h2 J# y! w7 q% P
- <!-- Content to toggle from www.mfbuluo.com-->
# Z; [& g: ~; g+ ?% ` - <div role="toggle" class="toggle-content">
& t* P1 x5 A9 }6 m+ d- |1 J - BA-NA-NA-NA!) N3 g* {4 D" q. \/ r
- </div>/ l9 \6 ^8 S& n7 Z
- </div>
复制代码CSS代码内容如下: - .toggle {
0 k' R& J6 l5 F7 j( e9 Z8 ^9 g8 o5 A - margin: 0 auto;
+ F5 K, E8 [2 Y% p6 x/ F# x - max-width: 400px;9 ^( t2 f+ d n
- }7 T" A2 t7 ]: D3 ~0 d/ t
- .toggle-label {
; Q; W* v1 ?( _% }8 K9 i# c - font-size: 16px;
& D. G4 f- B# h/ `; [* c5 R - background: #fff;
! O4 n. ]5 q4 G - padding: 1em;
3 R; X( M$ o% U% {% k* ] - cursor: pointer;! I, H+ ~0 d1 n% Q/ r6 a# h4 N
- display: block;: \) @2 ?; ?$ U0 [' x
- margin: 0 auto 1em;6 z3 m) b; d" X. Q
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);# _: M) T5 K4 [7 ]
- border-radius: 4px;
v2 y: }2 Y6 U, ]! r% W- J" L' g - }
- M* I4 T' ]. V; Y - .toggle-label:after {
. M F; @6 o4 L9 W$ I+ ~7 z: F9 y3 v - color: #ED3E44;
+ g4 G7 y- |7 }% H5 T$ b - content: "+";
. T/ v/ I' N* f" H7 e- X# A J - float: right;! k5 ]& H% j6 c, g
- font-weight: bold;
+ T# m s! G8 @/ G7 u: R& j2 U - }
2 h5 z8 R6 t* B9 b% h3 r - .toggle-content {0 S4 ~+ a0 f8 `, ?
- color: #B0B3C2;
' o( e! p2 r$ [ - font-family: monospace;1 \* B( `( }5 Z. j- J* z( `
- font-size: 16px;% s8 n, N: T2 s; n& \; N
- margin-bottom: 1.5em;- n7 ^+ |+ d# A/ u* H* |
- padding: 1em;# H" s9 w% {/ A, T7 E
- }* v" v+ r7 \& f* G2 N: }: [7 H
- .toggle-input {
$ [ j! V$ \) z+ O" g3 z - display: none;
3 ^ k* L: F! [- }% W+ d - }- D( z0 F0 F. L# z! V
- .toggle-input:not(checked) ~ .toggle-content {
0 q% J2 ? D z2 o' m3 M - display: none;+ h g/ e. p2 L0 y$ u) \
- }
. `# ]' L+ [$ X' t" F. d - .toggle-input:checked ~ .toggle-content {7 o* e% u& w) U5 \
- display: block;
" e' i3 O f; W, M+ q9 X6 w& { - }! \$ _0 i( d2 i5 p! K6 l; Q1 [
- .toggle-input:checked ~ .toggle-label:after {
; t+ k$ q4 p. L - content: "-";. k; E/ m. ?# E$ T4 \9 l) N
- }
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