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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!">' T+ Y B; ?. Y- }; T; M* n7 I
- Label for your tooltip k& T; k( S& U; J* U
- </span>
复制代码CSS代码: - .tooltip-toggle {- q9 `/ R, k2 \# c4 C$ G8 {1 t
- cursor: pointer;
2 X; y9 H/ Q" _1 k) B4 c! a3 P6 q - position: relative;
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* |/ S) A# ?( Y- [' }5 e- M! t - .tooltip-toggle svg {9 G; i3 F$ v% }4 A0 ], C
- height: 18px;
/ m' x. z* n+ f( a h; j - width: 18px;
4 ~; j- x" a1 x( t6 k - padding-right: 0.5rem;
7 T$ o" h0 P" D( I/ ]; ` - }
4 W: X2 D" X7 } - .tooltip-toggle::before {
$ D. d4 J7 x, c5 k g9 S& F$ P - position: absolute;
$ H1 X# D: m$ {2 n$ R( X - top: -80px;
. ]& }2 p# v( {( q - left: -80px;( [ x. D0 D3 |; C4 S, Q
- background-color: #2B222A;
, c" a# [( r% t- c4 \' T - border-radius: 5px;, f) U- i2 Z1 e; _4 R
- color: #fff;: V1 i: x3 C, A3 E9 }0 K- l
- content: attr(data-tooltip);
6 p. t- L7 d9 O( h$ q" E5 Q% p6 Q - padding: 1rem;7 T5 S T# b0 p+ r) W3 l
- text-transform: none;
$ K1 k" e0 a% @ `9 J - -webkit-transition: all 0.5s ease;4 w( }+ z. N8 r p- ?
- transition: all 0.5s ease;
. `! N9 t8 A' N' a( ? - width: 160px;
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- .tooltip-toggle::after {
) l a4 l5 u. H: x; L% c: t - position: absolute;$ Y0 d6 s% k7 q; C6 G8 Y( O
- top: -12px;
5 u7 `# ~( n9 R+ \ {- e5 g - left: 9px;
% v# P' L' b' ^1 _ - border-left: 5px solid transparent;
$ V! Z; \. m1 k - border-right: 5px solid transparent;
# O& ^4 K B0 R: w2 f - border-top: 5px solid #2B222A;3 d8 P- z0 y$ b7 Y$ C
- content: " ";
5 e1 M) u/ V2 J% D- E - font-size: 0; w& ]9 ~3 j/ y0 c2 J) L* `2 G& P
- line-height: 0;* G) ~& n; A1 w" G
- margin-left: -5px;
: c g* S6 w9 @! E5 g9 v/ R - width: 0;
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- .tooltip-toggle::before, .tooltip-toggle::after {; Q5 r% b* ]/ X# K& `
- color: #efefef;9 Z0 \% {+ R. k" E; y% B1 \5 }
- font-family: monospace;
7 G7 t' J" d4 s# D, ?. t% p - font-size: 16px;
7 |* {. r; |0 r% { - opacity: 0; A; s. W* z% ~0 ], @% d- k7 A( v
- pointer-events: none;
( D# T/ ^' {" i! Q, o - text-align: center;
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- .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {( f p3 ^4 t% S+ A
- opacity: 1;1 H0 [, U* V, M6 @9 |5 l) y3 m
- -webkit-transition: all 0.75s ease;! h# n3 Z! n3 u2 e; b
- transition: all 0.75s ease;
$ G5 n# X# ?' W" H9 I; h - }
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">0 y! E# }; A+ T0 z5 {3 t
- <ul class="nav-items">
7 {& w) ]) Y. q) F3 o- A ~) h% F - <!-- Navigation -->0 |( {, u3 }5 a1 ^) n. o
- <li class="nav-item"><a href="#">Home</a></li>6 R& Q/ T( \1 t! p3 a. z
- <li class="nav-item"><a href="#">About</a></li>! i6 [1 Y) `# p6 J. J( x/ i1 u
- <li class="nav-item"><a href="#">Contact</a></li>" r, v8 g- G5 v) m; ?4 B
- <!-- Dropdown menu -->3 p6 R( I; z% R. X' W4 x5 `. ?
- <li class="nav-item nav-item-dropdown"> m( l/ K# \4 _: Z& C/ o' A8 G4 ^
- <a class="dropdown-trigger" href="#">Settings</a>4 N N5 W) _9 X x. j+ `4 K
- <ul class="dropdown-menu">
4 z" @) e( x; u; X - <li class="dropdown-menu-item">
* ~2 b( N q/ K( m9 Z) \+ T. I - <a href="#">Dropdown Item 1</a>: V- g" N- k" F4 E `, c* p7 [8 H1 u
- </li>0 t0 N, g/ [' |; O) N( `- w
- <li class="dropdown-menu-item">5 b7 i1 V! v$ Y( h& F% k0 @3 @
- <a href="#">Dropdown Item 2</a>3 l! Y0 R- y7 s" w6 T
- </li>
$ O1 ]$ T$ g* S. I0 S3 J: N# J( ^6 C - <li class="dropdown-menu-item">3 o0 X7 X6 j# Z) W; c
- <a href="#">Dropdown Item 3</a>
* k! o) y) B: V3 v2 l# G+ u7 w - </li>
2 O; k _6 o- J8 G - </ul>! y- e4 j8 g( l; a5 _" I
- </li>: H) z5 O% Q, t
- </ul>
& {7 @$ C% N! \/ p. w - </div>
复制代码对应的CSS代码如下: - .nav-container {2 _/ L8 P; ~) L) G' {
- background-color: #fff;
- ~' K M$ p9 s* E: x" l2 D - border-radius: 4px;
5 h# B0 O6 p9 y! B" {6 y - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
3 j# X: c0 G5 [$ J. o3 p6 a) m7 b - padding: 1em;( i* L% w, m) M1 r( y* L
- border: 1px solid #eee;
" f5 Q) j3 `, g- w6 z. u - display: block;
/ Z) F3 P# {( n, K - max-width: 400px;
+ ]3 f( E* l% u/ v - margin: 0 auto;
* _( b% x, j+ e& I5 F5 Z - text-align: center;
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- li {# Y) J; J( g5 x9 s$ Y
- list-style: none;
+ t/ w5 y' N+ ]& D5 x" S - -webkit-padding-start: 0;$ H/ N' P, ^! s! P
- }7 r+ m2 E$ S& f2 V( m
- a {
, {2 o8 S9 `; i% O& k( G, D - text-decoration: none; t e9 }1 m! @
- color: #ED3E44;5 T5 |. J: M! ]1 H! h1 f0 |
- }
/ r& ^ b% I7 r# I - .nav-item {1 Z. J) K1 G# M1 f
- padding: 1em;
2 n" J/ z; y3 M+ w( c% c+ x - display: inline;
6 D/ p3 Y0 D J. e - }
; r' d" J1 ^& r$ {" {( e - .nav-item-dropdown {
7 L! s1 |1 B ?+ `5 L - position: relative;
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- I" m' y- e% \4 I: g - .nav-item-dropdown:hover > .dropdown-menu {
W t; w. i$ x! a* @4 d4 a - display: block;* N. k: `- |$ |1 `3 J# O
- opacity: 1;
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1 E; @( _ b8 ^+ i! H O3 r - .dropdown-trigger {
$ X3 G9 H( H6 e3 d5 q" O - position: relative;
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6 s/ S; N! ?$ x: p - .dropdown-trigger:focus + .dropdown-menu {
- F. P% n2 ?% ?1 z5 J7 o: v1 u - display: block;, V- M0 ^/ Y- C6 K" g0 ^+ F
- opacity: 1;3 u4 n$ \! m1 b( E2 ]2 n' \6 O
- }
4 u! O5 T5 P' G, s - .dropdown-trigger::after {
6 O E3 \. W* y - content: "›";6 y# j$ @1 G3 M, R: F- h2 X4 k5 {! ^" L
- position: absolute;
" A# Y6 o4 B; T* l& q4 A8 I9 Z - color: #ED3E44;
- W Y$ l" A# M: t% ^ - font-size: 24px;
; c; o% {6 ^. N) E3 N& _ - font-weight: bold;
( O: q3 q% ?4 _ s8 V6 C0 i) W - -webkit-transform: rotate(90deg);
7 \, ?+ l! l/ t7 w$ I! Y - transform: rotate(90deg);
8 ~4 h6 O- {. z - top: -5px;
" w# U+ P) T8 z/ T - right: -15px;4 J0 {$ E) G$ I) K
- }7 m. @% U# n( d; f$ L
- .dropdown-menu { Z, k6 J2 H8 y% p' G, v) D2 t
- background-color: #ED3E44;
; h6 Z+ E6 f% v - display: inline-block;! a5 m# b& A: \, p( ]$ O+ }
- text-align: right;0 ?3 z7 @1 X' A# {
- position: absolute;
( }) c: D6 s$ M& s$ J - top: 2.5rem;
: b" P7 v- |8 d* W) f8 s/ | - right: -10px;
& p( z0 T u7 t: k - display: none;
* M8 h8 K" h. G9 _2 r' H - opacity: 0;; V6 _% k, A( i% U& t
- -webkit-transition: opacity 0.5s ease;5 p# r8 F* @- D9 ]1 ]3 \/ h- O
- transition: opacity 0.5s ease;
: g! d7 K+ `/ e. [( q! U- S - width: 160px;
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- .dropdown-menu a {
; ~& T! a) x, i$ L! s - color: #fff;
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- .dropdown-menu-item {
* ]& P7 Q6 u/ o - cursor: pointer;
- f" {8 Y& w. S - padding: 1em;1 w9 k: U% h) b% @
- text-align: center;* L* w# M. n- W5 S3 f+ o
- }
& p7 i$ r6 a& N - .dropdown-menu-item:hover {3 h! s' g* B* |8 c' l
- background-color: #eb272d;% T+ u4 g7 z4 s, ]7 H
- }
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7 N0 o, |, L" C) J可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">$ Z. s+ j# l: w3 I8 X& v3 J* a
- <!-- Checkbox toggle -->
) b' w" L8 d; ^9 A3 n( ` - <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">
* p5 I1 k. \- c# H - <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>
% u8 m# n# U( h/ x: W- H) f$ k - <!-- Content to toggle from www.mfbuluo.com-->
' H- k6 K# [# Q6 U! K) T0 G - <div role="toggle" class="toggle-content">
& x3 O4 i( s* X; Q- z. i: ] - BA-NA-NA-NA!8 Y5 y6 l+ [0 i. p# A2 O
- </div>
5 J! e% i0 G( C7 j - </div>
复制代码CSS代码内容如下: - .toggle {
. ~8 }9 g2 o. {8 M" @4 h - margin: 0 auto;4 k7 \+ B& s+ D% q
- max-width: 400px; K9 m% J3 K5 A" X; G
- }- m& L3 N/ k! S5 B2 F. V
- .toggle-label {
4 [+ u' p2 G; [+ Y - font-size: 16px;& N, {+ t8 v7 C$ h! M
- background: #fff;
! M! l; [; Z- G1 G - padding: 1em;
- ?- O! U2 U% }. U! t& i# R! @ - cursor: pointer;/ Q( ]/ [, a) Y1 ~ q+ V7 O
- display: block;
$ r. J; H0 b* c l! }. p - margin: 0 auto 1em;. |' a2 N2 A9 k$ U+ ^6 }
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
. _8 h% r% X' ?3 I. i - border-radius: 4px;% f7 D* `/ w9 M6 ~$ _
- }1 g; R1 J! F7 @' ^* G
- .toggle-label:after {
F$ i( [ R/ r1 v - color: #ED3E44;
9 z7 ?8 s( o/ l9 A8 D - content: "+";! ~ t3 i+ N* ?5 m: G* H8 r
- float: right;! ^% G) W2 Z r4 \+ M+ a
- font-weight: bold;! I& z& w0 U: I n9 [5 X5 |) F6 t( q
- }
/ t0 v1 Z1 i1 `0 w5 i) D - .toggle-content {- f" ^/ p( z* z' [. T* G1 i
- color: #B0B3C2;% s8 W( V2 S- S2 v$ p0 m5 V3 ]1 }" Z; Y
- font-family: monospace;
! e. i7 w- c2 p9 P - font-size: 16px;0 @' _: U. x4 g7 z, [: H2 y
- margin-bottom: 1.5em;- p0 C$ x& S7 ^0 y# i
- padding: 1em; e# B- _- N. S+ ]8 p; a
- }
( K/ _! |8 R1 j3 l* j - .toggle-input {
+ o5 B$ k% ?" Z6 w% ?8 [0 e - display: none;9 F6 n5 [- b7 r% y9 m
- }1 j7 x0 z" m- S- z$ P& G+ ]/ X2 l
- .toggle-input:not(checked) ~ .toggle-content {
N- ~) v& Z7 P) Z$ q8 Z. I: y - display: none;
g& S& {+ R7 H. W A8 G9 r - }
/ y. z7 L' h6 r - .toggle-input:checked ~ .toggle-content {
+ m* w3 m5 d7 `( K1 S5 j - display: block;
( X" N6 @6 S& |2 D3 ^2 Y - }
) e2 z0 y6 `/ g" p$ Q$ G' [ - .toggle-input:checked ~ .toggle-label:after {. o7 @ T7 J' L. Y- l
- content: "-";
: z0 I( J1 L. y, \+ Q9 T/ m0 d - }
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