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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!">; b$ b! B8 e, c1 ^( z
- Label for your tooltip
7 W6 x$ V- T" \4 b - </span>
复制代码CSS代码: - .tooltip-toggle {7 p/ Q! p( H# w' ^
- cursor: pointer;
2 m( S( Z" M$ f, d8 N2 T& N - position: relative;
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- .tooltip-toggle svg {& }! w% a4 i' x/ o
- height: 18px;
8 T0 a6 w) h; p& Q; x2 M - width: 18px;
3 ~8 ~8 A/ C# S9 x* l/ Y( Q! C - padding-right: 0.5rem;
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- .tooltip-toggle::before {
6 @# o- S) o' T- v - position: absolute;
& ]. ?+ R1 N4 G - top: -80px;
. p( M$ o4 L3 k r - left: -80px;9 ^; ^( r6 J) U( |& V4 q, R1 m3 A
- background-color: #2B222A;' s& m% [3 M9 e; Z
- border-radius: 5px;
4 r+ P- E# Y" W2 z - color: #fff; |6 t! F# _ f- f0 h) Z4 a
- content: attr(data-tooltip);
6 c/ W2 C3 O6 A! ~" U; ` - padding: 1rem;+ a/ {/ U% T$ T. E. {
- text-transform: none;$ n, Q* ~6 e2 u% e! S1 a2 G
- -webkit-transition: all 0.5s ease;
4 D& Q5 r8 f6 f) ?! k+ ] - transition: all 0.5s ease;4 r' Q2 Y. m. |0 n% B
- width: 160px;) u. o+ `$ {' Q1 E! N& ~
- }
/ b, F$ y$ b7 H% }1 z7 e: ? - .tooltip-toggle::after {
; @6 ~) U+ y0 Z# J6 \6 z! A, j - position: absolute;
& G# z& D% v5 P4 g8 x9 h - top: -12px;2 O7 \( u2 [# R8 F* ]
- left: 9px;
1 m' d! Q9 m+ x q. R! Q - border-left: 5px solid transparent;
, D$ i$ p a0 d+ r1 y: y! G1 l, @ - border-right: 5px solid transparent;
6 n+ e& K# k5 W( |2 A' W9 f - border-top: 5px solid #2B222A;
) q+ ?5 o* M7 I( n8 b, Z - content: " ";
9 g. O1 @; ^9 I7 j5 o" g - font-size: 0;
; w5 q% @# C. R' r0 a n - line-height: 0;' Y# j7 L6 _7 J$ K1 i
- margin-left: -5px;3 n. C0 ^# ~" D* U4 `3 b/ ]6 d
- width: 0;
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0 S, K* `7 S4 M/ P9 {/ [ - .tooltip-toggle::before, .tooltip-toggle::after {: {0 N: r3 _ w' }4 @
- color: #efefef;
( W# J& G7 b! n4 k' p+ c5 t - font-family: monospace;
3 x5 Y* z( G0 {+ \7 F - font-size: 16px;0 r- R/ ?# H9 n; g! }1 Y3 M, W9 l
- opacity: 0;
# A& p+ n# M/ |, A - pointer-events: none; X6 g# w/ |0 S* t+ Q, Z
- text-align: center;
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- .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {- H: ?8 }7 I h5 V4 j- F& j
- opacity: 1;
2 o- g l& K$ D; M5 v - -webkit-transition: all 0.75s ease;
. Z7 X8 a5 g6 i9 u9 U - transition: all 0.75s ease;
$ x- F% { z7 E5 e - }
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">
) ~, F, ]8 E, [& L; n, C - <ul class="nav-items">& ?$ V+ \ Q# v/ Z) M; S: G* ]
- <!-- Navigation -->, E! h |9 Y+ T, @# x. S
- <li class="nav-item"><a href="#">Home</a></li>
7 |6 a) h7 x5 j: \9 o1 V4 t - <li class="nav-item"><a href="#">About</a></li>% W8 ~, C7 l: t# i- M& D
- <li class="nav-item"><a href="#">Contact</a></li># N- b8 h: \" b. F8 Y3 A
- <!-- Dropdown menu -->
6 i! G6 O; p3 B1 o7 q* e - <li class="nav-item nav-item-dropdown">1 N8 K7 T8 ]$ M0 I, ?
- <a class="dropdown-trigger" href="#">Settings</a>7 o* j4 S# W, V9 t8 N2 y
- <ul class="dropdown-menu">- _0 v Y% j. I/ a: B
- <li class="dropdown-menu-item">
0 Q3 ?9 r; {& k( s2 Z - <a href="#">Dropdown Item 1</a>$ r5 l) H) P3 n9 t' M8 t
- </li>, U( X6 I2 g1 W5 c3 o4 r
- <li class="dropdown-menu-item">
6 x. D& i& b3 B' e - <a href="#">Dropdown Item 2</a>
( D( ?. Q: y- e- Y: _$ l4 r! e - </li>, q" o$ J7 s$ ]/ ~. v. T, [% E8 d2 n
- <li class="dropdown-menu-item">
$ d5 r' L* R' g' c F! l- j - <a href="#">Dropdown Item 3</a>2 u. `! o: `8 Z) v! d, o
- </li>) _/ N- s' V4 B {* h6 Z% d/ U& U2 l( L
- </ul>
- j' _) w9 k/ @( q3 T - </li>
; P: e/ E; ~4 |/ I1 ?% T( ~# ^ - </ul>
8 t5 z* `2 u8 R# r - </div>
复制代码对应的CSS代码如下: - .nav-container {
* F4 e2 P% j8 ] v, p D - background-color: #fff;
9 w6 x( g: d7 U - border-radius: 4px;& @4 o& S$ q1 S" @' r
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);9 @ F6 @, G4 S! @
- padding: 1em;
V; p( L; |3 I0 T1 N" `$ u - border: 1px solid #eee;
( x! g, n8 A$ V* H! F1 s6 H# |9 J6 ~ - display: block;
: U7 T i/ m \ E8 E' v' ~9 i - max-width: 400px;
' D4 }9 U% A% r1 ~% @, E( Z7 q - margin: 0 auto;6 o0 e u0 o, `* ^; d: @
- text-align: center;
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( J# m& _6 V9 S$ C7 X* k1 F" d - li {
0 F$ D3 {% n6 Z3 o( S - list-style: none;
[. W; Y1 Q% ~7 Z - -webkit-padding-start: 0;9 ^( P& i- R+ ~3 m1 f" G3 X8 ]1 ]- Q
- }
9 Q) q* ?0 \7 Z1 n0 z4 F - a {
. k* q {3 g2 Y s - text-decoration: none;% v+ [; n4 K9 K2 u1 ~
- color: #ED3E44;
* k: M' D5 E' u/ n: V - }
; u9 K8 o) A$ ]3 x- X K - .nav-item {- }3 A) S, n) Z( h9 D
- padding: 1em;$ O( Q' n( x' n- e8 P7 t8 ~5 V
- display: inline;
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- .nav-item-dropdown {9 O- [; n, W8 x Q
- position: relative;+ r/ O Z7 P# j
- }
W& ]6 H6 E; u8 D/ \ - .nav-item-dropdown:hover > .dropdown-menu {1 P: Z: {6 \- t% Z3 z# c; i. t
- display: block;: M' a6 r4 u( j( I; B
- opacity: 1;% T/ o1 C Q* X- G$ E! z
- }3 U2 I3 H- ^" g0 G H
- .dropdown-trigger {6 x, J+ i4 ^' W; U$ z
- position: relative;0 V+ k$ Y0 Q# F: e
- }" b+ d5 I/ K; ]: n9 k
- .dropdown-trigger:focus + .dropdown-menu {8 y, O$ C% z/ \/ m6 P; q) }) @+ y
- display: block;1 r8 Z; a: I* C* ^7 o8 @! e
- opacity: 1;
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- .dropdown-trigger::after { e& f# K6 p7 E& A4 g# O7 g' M
- content: "›";
2 G: ]1 m0 b7 P% J) q' K - position: absolute;
8 R0 k6 c# r j3 w - color: #ED3E44;4 o9 o. \) w# M! q1 {
- font-size: 24px;7 r/ D: i1 b- i7 ?5 x" V1 R) R
- font-weight: bold;
8 ~8 N' x' t( B - -webkit-transform: rotate(90deg);
: r% L3 ~$ Q9 o2 L9 F! N! R - transform: rotate(90deg);
6 Z; t$ R4 T) B* |! H4 Q7 V' W1 w - top: -5px;$ I3 D6 s. A9 G
- right: -15px;
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- .dropdown-menu {
* c. \/ ^+ t2 m3 }( D+ l - background-color: #ED3E44;
7 ~( n. R9 w* u! @5 H& t2 u& N - display: inline-block;, K- T. r: J5 ]$ t Y3 ^
- text-align: right;
, S7 N, x, ]5 P: |2 p+ y8 Z - position: absolute;# P2 b2 g2 b' m: b! B
- top: 2.5rem;2 B& M* x% W: J8 t
- right: -10px;$ y! V: B5 k) j: M9 E
- display: none;
8 g8 n0 x! J) }: _. K. O' I) N - opacity: 0;- `) U" H2 `* c. x3 O' }
- -webkit-transition: opacity 0.5s ease;% t" o7 _# `/ Q2 f3 n. l) c
- transition: opacity 0.5s ease;
0 D3 A5 s; ?4 K; { - width: 160px;: O6 A8 ]! F6 W5 @3 S- M1 e* X5 U" x
- }7 k7 g! X3 f' _1 h3 G
- .dropdown-menu a {
1 x; V: z7 `8 [( n - color: #fff;
; V2 u( N7 x( o; p - }
: m! f" G. q! Y6 [: E4 K - .dropdown-menu-item {3 g: v: Y3 r- X. ]
- cursor: pointer;9 x! C" A8 t- T2 i& }
- padding: 1em;
8 @: ~8 r6 x# n6 C! W - text-align: center;
: A' k! i2 z# h9 n6 K3 e, P - }
$ B6 ?0 T4 P! F+ U- [, i7 P# k - .dropdown-menu-item:hover {
$ |# r2 N9 n4 M, C: I. }# v9 D - background-color: #eb272d;, ?' d n4 k) w5 ^" U( u
- }
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; d# P2 y# e0 I! s0 G6 l7 N可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">3 H \: B+ T9 ~4 q# S4 l& e( A
- <!-- Checkbox toggle -->
( S6 }8 F0 v' r( L6 ^8 i; W - <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">, h& M& Y% h0 e( i' b2 O( h l
- <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>
* R% w% u& b' R' f% S$ Y; o - <!-- Content to toggle from www.mfbuluo.com-->" R2 n: A% F. E m' ~2 S# g
- <div role="toggle" class="toggle-content">' g7 _$ }* J, w
- BA-NA-NA-NA!
4 n. N6 f% g1 e+ r2 V - </div>) ]( u, e1 T4 Z7 P
- </div>
复制代码CSS代码内容如下: - .toggle {
: N; u4 K% m, c* C# ]+ u a - margin: 0 auto;
+ B, w$ ]9 `" ?+ I. M9 O" V" M0 ~3 i - max-width: 400px;% j, a6 K* k; J5 h7 ~# X
- }$ n0 L2 T# V4 k1 w( w: e2 a
- .toggle-label {
1 D2 L8 {5 \0 W- N6 |4 ? - font-size: 16px;& I9 L& N, D a" K# M; X' C
- background: #fff;# t4 L7 R& f" e0 O5 {
- padding: 1em;( M# E( f$ v# o( _( ?
- cursor: pointer;8 L1 K. x2 }! N H2 p# h4 i, D S
- display: block;) ` j }- b ]5 B5 G
- margin: 0 auto 1em;! E7 D' [. f4 T6 ^! L
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);5 {& p2 c! J! x, M6 w" j' }
- border-radius: 4px;7 J# A9 @' A" S$ U( y
- }
: O* K. G, S. g2 A* u - .toggle-label:after {
, H5 R. {: Y: L4 B% O - color: #ED3E44;
; U W9 y* q8 x1 b z+ p& h - content: "+";
8 l' }0 K! H f7 r k" y, W8 C" Y+ i - float: right;
2 H: _% b' V' [% ~9 C - font-weight: bold;! G* W; Z9 S8 E/ y2 q
- }, n! {' ~8 I6 p% D. U) ^7 O' c4 l
- .toggle-content {% G# Z1 l- k' t( w- k0 K
- color: #B0B3C2;
, W* E: h2 j) l$ U# ]0 C" E' _; h, @6 q - font-family: monospace;8 C, K% M' D- O! t/ F3 Z; g- ~7 b; a
- font-size: 16px;& n$ w. A- A: e: ]! h
- margin-bottom: 1.5em;
# Z9 N. h' t" K; |( J2 R3 f - padding: 1em;. b) ?$ Y- A0 M( d" K3 o/ H* d
- }" E" f6 x( ^% [0 ]
- .toggle-input {/ x, ?! u/ v/ J
- display: none;
& N9 k* k+ I7 ?" g9 Q1 j$ \ - }5 Q5 V! o4 s l" B8 E2 R' A
- .toggle-input:not(checked) ~ .toggle-content {
) w- U0 j, R1 N& Q0 T. m. K - display: none;
4 \# u1 P4 c9 b - }
7 l7 {5 W' `, u! j0 C6 Z4 Y2 e! Z - .toggle-input:checked ~ .toggle-content {
) Z! ]6 \( H$ x. @; u: } - display: block;
7 l+ Z- K$ _1 Z4 W! j: g: ` - }( h( H0 [1 q5 ^/ M4 [" C1 U+ c7 T
- .toggle-input:checked ~ .toggle-label:after {
& E! ^' a( e$ q x! g; l W% u! m. R - content: "-";; i2 {6 ?6 h, P: L
- }
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0 a( v+ L* j" k; W6 F$ V' Z$ U |