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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!">8 p: K3 v% H7 h3 i- } H6 C
- Label for your tooltip7 V' ~0 m0 w$ D4 w0 R
- </span>
复制代码CSS代码: - .tooltip-toggle {; z6 i) d2 `3 n7 h2 ]
- cursor: pointer;! E& d( i7 M6 Z+ i+ X
- position: relative;
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. }- Z2 L b' y- [9 L+ r6 Q3 J' i+ I - .tooltip-toggle svg {/ m& o) J' ~) A" q- H
- height: 18px;
4 f! u( j6 D* [8 y# k2 H/ G/ C - width: 18px;
8 K4 R; j b! _1 ^7 Q C$ Z4 ~5 p' c - padding-right: 0.5rem;
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- .tooltip-toggle::before {( ]; _9 t; P! _0 [) N( o
- position: absolute;- c* g9 z& t% _/ t0 z
- top: -80px;
Z# Z' [) e5 {2 C7 X% S8 i - left: -80px;
2 F) p& A6 d& A1 s" i - background-color: #2B222A;2 A A2 E& e' m; t0 _1 ^
- border-radius: 5px;( Q1 Q3 R7 |5 L" D$ X2 l
- color: #fff;! S- c% h: @7 ]3 h+ L- j+ j
- content: attr(data-tooltip);
, X" z$ c) _: w1 X7 U - padding: 1rem;; v$ c J, H* e7 A6 S0 B8 [2 ^
- text-transform: none;) ^! I3 i( N% C R) T" K, H/ x3 x8 C
- -webkit-transition: all 0.5s ease;9 A# Y; ~3 u" M- e
- transition: all 0.5s ease;0 X1 c- J( E P$ F# D( g' Z! v
- width: 160px;; O. c4 `1 a8 ]6 S
- }
3 f& S8 X O- l4 @ - .tooltip-toggle::after {/ }( F- s3 w) T. {9 s
- position: absolute;* J- \# e4 ^2 X! V2 e. n
- top: -12px;1 d4 \7 J0 h2 A. ?3 r) n
- left: 9px;
) X2 B( O& `9 w2 ~" Z, ^ - border-left: 5px solid transparent;
# z* f8 Y0 s- t% V; U9 r - border-right: 5px solid transparent;( W# X$ v, S6 X4 n( h
- border-top: 5px solid #2B222A;- F1 n: b4 y) Y$ _% \
- content: " ";
- W8 x: B. M) \8 t; ?0 X! B - font-size: 0;7 o& [* {" V4 P* Z: ^) d( H. M# T
- line-height: 0;
: t4 \* u' i$ d$ |! L, m* k - margin-left: -5px;' m+ X$ `0 L7 x/ O; w. q$ C) B! P% O
- width: 0;
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1 S' o" u' _9 z) r5 M6 e+ G7 }- C - .tooltip-toggle::before, .tooltip-toggle::after {3 j' t" H- y" `9 ~ Q. r# l. Q+ }
- color: #efefef;# d+ A# a# I2 I/ T8 t" [9 Y& Y
- font-family: monospace;) Q( k' y# T7 ~+ N( ?3 v
- font-size: 16px;
- Q3 _7 }$ k, v: j3 M6 R; n! c) ` - opacity: 0;; {& Q2 |- _ Q, ~ H" s
- pointer-events: none;5 u% q! o/ D4 O$ ]" {: _) z
- text-align: center;9 k5 R/ y/ H; @ M2 x3 `: c
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- .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {+ B* M4 _3 R( J4 E* x6 L
- opacity: 1;
9 r8 Z, r/ m) V: `2 k v) s - -webkit-transition: all 0.75s ease;
, X# i0 y1 K5 o( F9 L - transition: all 0.75s ease;% S9 V$ z6 S- H' {' s* 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">
4 f5 Y: a3 K9 P5 e6 K2 w$ w - <ul class="nav-items">
4 D3 |, y1 n( D# c% |1 ^* ] - <!-- Navigation -->
, k( D7 I" s9 F - <li class="nav-item"><a href="#">Home</a></li>7 q1 D6 v; u- X% e; |8 D# [
- <li class="nav-item"><a href="#">About</a></li>/ p5 d- ]- \: t: T0 L
- <li class="nav-item"><a href="#">Contact</a></li>
! j# H: L1 J; `! B - <!-- Dropdown menu -->" G! g' r) M, N/ r u
- <li class="nav-item nav-item-dropdown">
4 S# c" q1 }; p( m - <a class="dropdown-trigger" href="#">Settings</a>( |& P4 W( u" X6 H" T0 R0 e
- <ul class="dropdown-menu">
5 |; Y- {5 z* |! l! \: j8 J - <li class="dropdown-menu-item">
6 {+ ~! ^2 h+ V/ V7 N; ? - <a href="#">Dropdown Item 1</a>% {. M- _ S( N* r
- </li>) I: V/ b0 I3 `* k6 [
- <li class="dropdown-menu-item">% X/ j* J5 G! ~! n1 E/ j6 {
- <a href="#">Dropdown Item 2</a>9 w; X5 N/ o4 D4 a: V
- </li>
$ g3 b% U' g$ {* h* Y2 I( P! \ - <li class="dropdown-menu-item">
* i4 {( e" o$ l1 F/ j3 P - <a href="#">Dropdown Item 3</a>9 f1 D7 M5 X; J
- </li>
- T6 b }/ i3 b0 u" G) e2 f6 s - </ul>
|( g) N* i" q0 m - </li>+ N- L& K r4 a3 e7 ^0 p, p
- </ul>& _, P6 f/ O9 C6 i! x" Q/ L8 x
- </div>
复制代码对应的CSS代码如下: - .nav-container {; W% I" @; {# q. ?, x- B* j0 Z
- background-color: #fff;( U3 F5 ]7 D( z: }3 G$ Y1 Q( ^4 V% H
- border-radius: 4px;* [' O$ B$ P; C% G
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);/ M, ^& N' A/ A2 `
- padding: 1em;; i7 x' l2 t$ j% ~
- border: 1px solid #eee;
: _( q0 X: N! I - display: block;3 a$ T) ?4 H8 H' F' d+ [: d
- max-width: 400px;4 Q4 ^9 j& J8 P! F1 G" J
- margin: 0 auto;# H2 ^; r2 y! @' w, b. F; o& Y
- text-align: center;. b7 g& G: D1 d) p6 q. x
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- ul,
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- list-style: none;
* @ v+ m6 V% ~& `8 H - -webkit-padding-start: 0;1 J, _9 @4 _7 S8 E( _+ k4 ~
- }
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- text-decoration: none;
; t* Q7 Q, H" r$ L; m& g1 E- }. V5 p - color: #ED3E44;
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- .nav-item {
6 B7 w8 W& A/ |3 M1 O - padding: 1em;
* P- f2 k% H7 o |0 f - display: inline; S' P: g4 Q; g+ z! @
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- .nav-item-dropdown {3 Z8 `' D; z1 B4 K" W3 _
- position: relative;
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- .nav-item-dropdown:hover > .dropdown-menu {! [) H9 _9 c0 K7 V8 V9 \
- display: block;
9 r, s3 e7 ?9 N' S - opacity: 1;! {1 C; @4 F8 q/ ?
- }: V7 z8 d R7 X, ^) k
- .dropdown-trigger {- @* s$ i" { R
- position: relative;
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- .dropdown-trigger:focus + .dropdown-menu {
3 q0 R5 Y5 r, Q! V& m - display: block;# `' \8 y0 D+ V) G) `
- opacity: 1;
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- .dropdown-trigger::after {- A) f; G, W4 J2 Z" j- F
- content: "›";
5 N$ H$ b- G. Q {5 c5 y. B - position: absolute;
9 R) y# d/ }- @7 R - color: #ED3E44;
o7 I t0 n. I - font-size: 24px;3 w# x! l( n& X S' W
- font-weight: bold;
7 i5 T# C# _' y% K, n - -webkit-transform: rotate(90deg);, L/ _- v/ p# p+ D H
- transform: rotate(90deg);( p% d y( X7 a& t0 V
- top: -5px;7 t- g9 \ E' e7 K
- right: -15px;0 f% N ], `0 U1 b# k
- }
' ]$ x' G5 C% f$ Y* T - .dropdown-menu {
" a6 G2 c/ i$ a1 H4 c* o- C% f0 T - background-color: #ED3E44;1 q* x. e& B1 d. y& m. e
- display: inline-block;: M1 Z$ R' _9 k- w5 i
- text-align: right;
+ m _% a! X8 v* e - position: absolute;
, P; h3 _" j- Y% H+ \; J/ Q" x - top: 2.5rem;
$ |' ]* Q9 u9 h1 O& K" x - right: -10px;: O8 G* g/ Z' B/ z. p+ b; T2 z
- display: none;
- p1 v& t% ]2 u; q J" v; @9 y - opacity: 0;
! B& k6 c3 u- E5 o6 E - -webkit-transition: opacity 0.5s ease;
- B: \) O' `- v2 K' s( x% H - transition: opacity 0.5s ease;
! b1 u8 g3 [/ e/ E: n - width: 160px;( M; a) L0 p" c9 F5 O
- }
% c" f/ N$ m2 n( h - .dropdown-menu a {
1 Z0 `7 l0 N2 l/ C0 w0 B; d - color: #fff;
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- .dropdown-menu-item {! X$ _: e0 F7 y% S0 {" N0 A) x% ^
- cursor: pointer;
3 u9 Z0 I& x% R/ j - padding: 1em;
. S0 p ~3 J4 B/ N d - text-align: center;$ n' r1 U1 J6 d H
- }
- }/ R* T8 P0 N6 {7 Z% B. Z7 I, x7 S - .dropdown-menu-item:hover {9 d, v+ L. h* N
- background-color: #eb272d;
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复制代码
5 E2 G1 y# ]: X" B& v, B可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">
6 e- G- @( l8 E - <!-- Checkbox toggle -->& F4 y6 s* l `0 W/ h+ M
- <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">
, N% b* G4 [( z( i( S1 y - <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label># \4 O6 k4 m( B& o/ X y9 @
- <!-- Content to toggle from www.mfbuluo.com-->0 B0 D. F3 q# n# N: r( t
- <div role="toggle" class="toggle-content">0 N0 N, h8 \; ~; q$ j8 x' G( V5 |
- BA-NA-NA-NA!
2 b( M/ T* C) j6 b( W! N - </div>
& c# `% z+ U4 K1 Y/ q- n0 y - </div>
复制代码CSS代码内容如下: - .toggle {. J6 J1 N9 k! s& d4 t2 w6 l
- margin: 0 auto;
* k- E9 W+ I+ W: @/ v' s) A& i - max-width: 400px;
- @/ ~/ F& p3 B4 z! _/ t+ S - }
0 D+ @0 A) y& J1 s( u" m4 j, X - .toggle-label {9 H/ {. H# y2 N4 Z% I9 l
- font-size: 16px;
3 N6 V& j/ [4 n @7 V( r; D - background: #fff;
]# H0 A) d+ @ r - padding: 1em;
; M. G1 a9 T+ b4 u- a - cursor: pointer;
5 l3 N1 g; D! C9 p - display: block;) j5 L5 @% b I" d
- margin: 0 auto 1em;3 v' G2 W7 w: [/ }( n% o4 C( J
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);0 q5 _' C* b% n) l! h9 i/ B
- border-radius: 4px;+ O2 B8 g9 Y& M& ~- x. ^8 E
- }8 R9 y! p) D( E
- .toggle-label:after {
! I2 }$ L" [3 r* J/ ^/ ?! V( A" k - color: #ED3E44;
- G% }+ m. ~% X, g7 k - content: "+";6 a- j+ S4 P) H* t3 J& _: }
- float: right;
$ `; E; I, F; x) q6 }, R4 m - font-weight: bold;
6 r+ D C/ R2 f7 M$ { - }/ a* y3 F$ ^: v! H$ V, E
- .toggle-content {
2 v, M( G6 Z5 K0 b - color: #B0B3C2;
+ I8 b$ M2 w- [: b/ d - font-family: monospace;6 h: i, y& p1 m
- font-size: 16px;
; @0 I4 }+ N5 r8 d1 A' l( D - margin-bottom: 1.5em;6 ^, g2 Z H* e2 Y7 x t6 [5 M
- padding: 1em;) G6 x( o; U. w
- }7 t3 l2 a$ r0 R+ f, h) n0 X1 S- z
- .toggle-input {
' N1 a0 B& D: a. Z6 H/ R4 H% ?) w$ T - display: none;" O4 v1 R b: y; z* Z
- }2 G9 W( Z. a: [. w, @* M
- .toggle-input:not(checked) ~ .toggle-content {
4 |6 y# X: |4 _' x& p - display: none;
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- .toggle-input:checked ~ .toggle-content {5 U1 y1 h W6 _5 d) J% D" i$ T
- display: block;
$ c3 j- W! R8 Y# Q - }
3 j# x% F J3 m7 U - .toggle-input:checked ~ .toggle-label:after {
. z p2 m7 |, H) ~& n( p! \5 ^% y - content: "-";4 b' g8 i6 @$ t$ Z% g+ G
- }
复制代码 0 v) V2 {" s/ l' D8 x
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