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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!">2 z* h. k$ L+ p0 M7 r8 V
- Label for your tooltip9 N, N. X& M5 N+ A; d" q& ^
- </span>
复制代码CSS代码: - .tooltip-toggle {: f5 T' \( v+ E+ E+ Z/ G% K9 ]/ t- o
- cursor: pointer;
& @) E- l6 N7 Z - position: relative;% e/ Q9 F1 M+ x) w* p
- }
: f1 T: e. X/ F - .tooltip-toggle svg {: C; B! D3 J; d! A5 s) j I
- height: 18px;( l6 u7 u4 t) e. ?
- width: 18px;
3 h$ M I. X: @3 [4 U2 u - padding-right: 0.5rem;4 R& z, }; o* c' O9 D/ I" w1 E/ ?
- }1 z+ i" U+ C4 ^, P; `+ u
- .tooltip-toggle::before {+ h8 K- B5 m7 H$ q% N+ R3 m9 _
- position: absolute;3 F* s1 {/ m9 b2 C, u
- top: -80px;) H& Y5 ^& y9 f. X- E/ @6 ?
- left: -80px;
2 a f' f6 }7 N( D: n* K - background-color: #2B222A;
7 q1 m# t( \; B2 V( F - border-radius: 5px;
3 Q* `" m0 @9 {. z - color: #fff;
1 a. A/ S2 u% h$ |9 s - content: attr(data-tooltip);
4 ~8 f0 }# d' \2 w! E- G - padding: 1rem;$ T- D7 {+ Q5 l# [0 Z3 A
- text-transform: none;( g% N0 ]' {* X+ K. Z
- -webkit-transition: all 0.5s ease;
M$ w: g' C5 r8 d, C( u* `: F - transition: all 0.5s ease;
/ b( A% ~ J z( v8 Y# G - width: 160px; @; E$ X* k( Z5 `0 Z3 N& J
- }1 `0 Y8 Q" P/ l- C
- .tooltip-toggle::after {
/ H7 N6 B* I4 f& z' x+ V - position: absolute;
8 }* y L& m" `3 C& a) i - top: -12px;
' P6 E0 G0 x" b# x% d7 j% @$ { - left: 9px;
4 b. m# }' t. e! X3 u0 Q* j! E1 E - border-left: 5px solid transparent;
% ?8 w* J: O# r5 Y7 c+ e1 U8 b - border-right: 5px solid transparent;
, F5 ]7 Z. ?7 M7 V3 V" I - border-top: 5px solid #2B222A;5 V; r, ^* B6 K
- content: " ";; w3 U+ k3 b4 L7 O& @
- font-size: 0;
% e& S5 n( i, A; `# N% q9 j4 _ - line-height: 0;: w" o/ }- M" u1 @
- margin-left: -5px;; N6 U) \' Q9 w) E# R, Q" [
- width: 0;
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- .tooltip-toggle::before, .tooltip-toggle::after {2 x& s! S) B9 K& f
- color: #efefef;, d- I0 O* ]& |: {
- font-family: monospace;
! Z$ x* `; x9 F8 m4 c8 T; P8 f - font-size: 16px;
# ~0 S# }2 j+ m; E+ ?& t - opacity: 0;
3 I' o: `3 P( d( D7 h5 f' u- x6 P - pointer-events: none;. `: @3 H! q( R& j1 t# C
- text-align: center;
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- .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {* C( V9 Y7 K8 n
- opacity: 1;
" q) a- R% h2 O2 f! c- i) [ - -webkit-transition: all 0.75s ease;
) G" n8 O K: ]3 W9 m3 g1 O - transition: all 0.75s ease;+ ]+ X* S' \9 L. [, o
- }
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">2 A6 W3 t8 C0 H+ W4 J/ E
- <ul class="nav-items">
' c6 }6 O6 y4 J4 _ - <!-- Navigation -->
) C C9 u, I; J2 a0 z' a' @ - <li class="nav-item"><a href="#">Home</a></li>
- y2 l& U6 J/ t9 M - <li class="nav-item"><a href="#">About</a></li>
+ o# Y( ?( H. S, q+ ^ - <li class="nav-item"><a href="#">Contact</a></li>
- f/ c9 y- B! f! C - <!-- Dropdown menu -->
) L# `, T( T5 [6 [$ o/ q - <li class="nav-item nav-item-dropdown">9 R5 ^, _2 K d( U
- <a class="dropdown-trigger" href="#">Settings</a>
0 u2 K9 A. n; a. E - <ul class="dropdown-menu">
, \! O# Y; O$ b1 S% O - <li class="dropdown-menu-item">0 b" K* E+ [; A+ P3 w' h& `% d
- <a href="#">Dropdown Item 1</a>
3 w5 h; F9 ?" F. {5 ^% \0 O, U- J- o u: t - </li>* |! h- @# l2 E+ q& ], [
- <li class="dropdown-menu-item">
" |7 p: U2 X `! e# G% E" [ - <a href="#">Dropdown Item 2</a>! l0 r. k4 X, X! {
- </li>
/ ~' m4 h/ Q$ B - <li class="dropdown-menu-item">& {5 G1 i6 Y c
- <a href="#">Dropdown Item 3</a>
0 l' P5 A* E: g7 D+ @) M* i5 ` - </li>: }3 J) a. p& u6 c
- </ul>
3 _* ^ j8 @& |: f0 k8 h$ h8 ` - </li>
" f% [( [" P3 P. k, g6 j - </ul># q4 L, \% ^5 F* \! k1 k
- </div>
复制代码对应的CSS代码如下: - .nav-container {" K$ Y' l8 f* } l; ^3 n$ [
- background-color: #fff;# N3 z# \: C' Y' j$ `1 J
- border-radius: 4px;# j$ A6 f8 f6 n7 X* V
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35); l! n# I, k& g8 y7 {
- padding: 1em;$ o! Y6 p' N# O* O! i4 m
- border: 1px solid #eee;% t0 S) e0 q7 r5 ^- ^# [0 n4 p* j$ [
- display: block;5 g6 f8 d) V- B5 P1 a& O
- max-width: 400px;5 o! K1 N% h4 C" p/ e
- margin: 0 auto;
8 ]- Z2 p: N- S/ _, G/ N9 i - text-align: center;
/ a3 h. u, _) L" O' Q - }
q6 z3 k$ c5 U - ul,$ [# Q& {; L/ s) m& g& h
- li {
; a, q( f0 `( E3 P0 a# a c7 X - list-style: none;
/ ^, E' N& j" f6 W6 f - -webkit-padding-start: 0;2 _2 d: ?3 [ g6 O) e
- }
9 I& ]+ K% i, [4 q) } - a {4 g* K- m" Q5 F0 i- Z( a$ j
- text-decoration: none;( N! x6 z. A1 @
- color: #ED3E44;
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* i" M( p, K; I - .nav-item {
) ` V) I A' F3 {. U' E8 V - padding: 1em;' l% y6 n' z7 c5 L/ ~$ a0 ~9 j# P
- display: inline;1 v5 I2 [6 f- E ~3 C
- }" o2 O" K6 r$ ^/ X: e: t
- .nav-item-dropdown {! D1 v" q; W$ ^; N
- position: relative;
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. k0 B4 c9 Z* T - .nav-item-dropdown:hover > .dropdown-menu {
B$ y) E8 [) u( X - display: block;: q2 r0 N1 W3 K/ z7 X3 Y
- opacity: 1;
4 V/ ?- p( Q. }; s: [! k - }
1 \) K, X& u3 }! ]. E0 p; J- Q5 S3 }- h - .dropdown-trigger {0 C9 p7 S( @- a( g
- position: relative;
: @5 w) C h$ `! L4 s; R$ c7 b - }8 k: Y0 x+ X' y
- .dropdown-trigger:focus + .dropdown-menu {/ T* X8 c. {: ^. C7 y
- display: block;
: z6 u2 T/ `! W - opacity: 1;) Y A( G$ l/ Q1 `7 l5 s
- }' X0 l: M1 h( H. y" p
- .dropdown-trigger::after {; x% |4 y0 [7 s+ m7 L
- content: "›";
6 d, b2 b+ k# x. `% q - position: absolute;
) ?9 ~$ h9 s/ T: D% ` - color: #ED3E44;1 \2 m2 s& ]2 }; z l% a
- font-size: 24px;
1 {7 N3 |2 o' ]$ [- I! y - font-weight: bold;* O3 x2 c( f. f3 ~% X) S, [0 C1 h
- -webkit-transform: rotate(90deg);9 x* w5 j, B/ V |1 Q& s, t7 _( Z
- transform: rotate(90deg);1 M! v2 Q; @7 I- ` w# W* f
- top: -5px;
" s$ s0 \" e1 q/ W7 r* k - right: -15px;% Q; G( C: ~7 L. ]
- }
% k# L( Q" z4 J8 f - .dropdown-menu {
1 U2 a& r+ b- ? - background-color: #ED3E44;
0 _1 J, q* l; x9 B1 d+ t: C - display: inline-block;8 _* m; E! }) M% j
- text-align: right;& a, S2 t/ N' q) q9 ~: h, U
- position: absolute;
. ?) y( r1 Q9 c6 @# U - top: 2.5rem;
% v" a2 J, \0 q3 F - right: -10px;
( K* \$ |( C2 g/ V - display: none;# x# Q. D- T' R& U2 O- z
- opacity: 0;" @- H' x9 H. W: T' L9 r
- -webkit-transition: opacity 0.5s ease;7 k1 o3 f, `* |- L' G4 r. y/ D9 g! E
- transition: opacity 0.5s ease;
2 p, _% w9 R/ n+ c3 w5 ` - width: 160px;$ w$ b. r7 ~( K
- }
' P% f& @/ L0 r" d# | - .dropdown-menu a {7 @) c1 V( V5 L1 ~. r: t1 O$ Q
- color: #fff;' M) v5 b, ~3 p+ c
- }
4 }7 i3 v j6 K" A3 S1 Q( L - .dropdown-menu-item {0 [# I$ R, i/ c+ d
- cursor: pointer;; y% o# c6 n1 J# a Z+ J
- padding: 1em;0 d! D5 ]; h1 v5 X2 v( S7 B
- text-align: center;
: L) Z q0 v/ w( h$ X5 ? - }
8 A* i/ U: b' R- V- | - .dropdown-menu-item:hover {$ p, \' s/ Y; h) Z$ U3 N5 I5 v9 f5 {8 H
- background-color: #eb272d;% z. G* F( g. r# \' Z* f
- }
复制代码
" W" e. X% y9 Q. ~9 I% n可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">
0 U5 I, x" _0 \6 i( \% Y - <!-- Checkbox toggle -->( {5 L5 L$ b- y) l
- <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">
' }5 H% Q# S3 E' {) o9 j" v$ o - <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>
) W! x3 B$ P0 K8 J/ Q - <!-- Content to toggle from www.mfbuluo.com-->1 I2 A7 X3 z# L
- <div role="toggle" class="toggle-content"># N) `: U, ~4 a) ]/ Q+ B; D
- BA-NA-NA-NA!1 C c/ S8 O6 N, i E7 q; y; B0 P
- </div>* S/ P0 x. }9 M
- </div>
复制代码CSS代码内容如下: - .toggle {" |$ p+ e' s! K( m: |9 {, r* \3 x' W
- margin: 0 auto;; V6 f( B5 U# ~
- max-width: 400px;
5 {1 m2 s& R) V, g) `6 }- F - }
4 Q; h( M) \) p. q+ `6 G# Z - .toggle-label {$ v2 F# x6 d; C8 v
- font-size: 16px;. K* S0 [) K7 L6 ]2 X
- background: #fff;
5 }' j) v. \& t1 J0 |& z+ X) x - padding: 1em;
y; g p6 i5 n( X9 B - cursor: pointer;2 }0 ?. c- |0 {7 l4 n
- display: block;
: j: f1 M9 _' y - margin: 0 auto 1em;+ l' `+ K) g* r+ Q# @# s& `: J
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);; O1 W: k/ A: @
- border-radius: 4px;) a& C9 ^1 s9 I: b
- }; C5 a+ X5 B( O$ v! @+ u% I
- .toggle-label:after {
% M4 M1 [& i8 w8 ` - color: #ED3E44;
# I) M! c$ {6 q7 Z# L' h - content: "+";
* B) E* U0 P9 S# D4 P - float: right;+ l; r' ]7 I! I8 ^: z4 Z% `% r
- font-weight: bold;! l5 O0 J1 f3 X: ?' g8 h# q
- }
' s, X; E `1 I' j- i" W - .toggle-content {
8 L8 R9 P9 B! S4 f, ? - color: #B0B3C2;9 n9 S7 Q. x7 ]1 u: M8 J' s* e3 i
- font-family: monospace;3 D1 j2 z- `1 @" k: h* U
- font-size: 16px;2 h' Y3 u' M* E; W+ e" \, c
- margin-bottom: 1.5em;5 c0 U* q: C: t" w$ G
- padding: 1em;4 S$ f/ N1 ~5 d, j' {
- }9 F" `5 q# B3 |9 t
- .toggle-input {4 u, @9 D! E/ X1 h
- display: none;; |9 v+ W% S$ F4 F, K! G
- }
* L2 ]! D5 ]) x/ O4 \9 o. }- i - .toggle-input:not(checked) ~ .toggle-content {5 e1 C! d! X/ H( @. Q: U
- display: none;, j: V5 v& @3 P' { l, P/ }
- }1 {+ x8 `) _7 y7 j3 J
- .toggle-input:checked ~ .toggle-content {
( |1 B7 ?7 X& D) _1 E5 v% v& L - display: block;
: ~+ k# F- B' v0 S' P d' [: w' S# ~ - }
- u: m0 K$ S! i# E0 X2 ] - .toggle-input:checked ~ .toggle-label:after {
; A7 P( v* W1 k$ s. [1 i1 D - content: "-";
/ s( r) B) {) L- t- X4 Q6 t - }
复制代码 " G" R$ K7 v9 ]) F7 N
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