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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!"># {' f) H! A3 [ F) V
- Label for your tooltip
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复制代码CSS代码: - .tooltip-toggle {
/ |0 u+ H& I2 V) B( @ - cursor: pointer;. L8 ]/ z8 i$ U; l4 D
- position: relative;4 p# P, h. _% S9 R( F, y$ X2 S( Q
- }
2 U' l3 l# a+ @* @: m - .tooltip-toggle svg {
+ T. n6 v% s0 z. i2 J/ {( S - height: 18px;
1 E4 |2 c2 m t: p - width: 18px;0 |7 o7 U- d* V+ ] o" B* [9 S
- padding-right: 0.5rem;
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8 K+ e2 E0 w: E, P5 J! f* p4 q - .tooltip-toggle::before {1 C/ D5 P. M: G6 |4 v+ \$ r* L
- position: absolute;
% w7 w1 O, Q/ B; y, `( X - top: -80px;
" ?& \! X4 c7 j - left: -80px;
' {" R( K2 N/ X# O/ F' p - background-color: #2B222A;
- a# {) e$ B8 w* |; ^' q - border-radius: 5px;7 Y8 I5 Q0 v: O' f5 q
- color: #fff;
# G$ p5 g# D1 Z! G - content: attr(data-tooltip);' H* H+ H% n) r- [0 E5 R+ D3 j" ?
- padding: 1rem;
# a8 J) o3 h( H1 l - text-transform: none;
4 l/ u4 O5 W7 p6 h/ @ - -webkit-transition: all 0.5s ease;) R5 Q6 K% c2 v
- transition: all 0.5s ease;
( p+ X3 [" d% Z. w/ C' T& s - width: 160px;
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6 C/ N5 B; M) A: y - .tooltip-toggle::after {
# Y: p$ M1 o. v1 d4 V. \5 s - position: absolute;0 t- O6 H$ j! J8 N
- top: -12px;
1 b& P* g" H. F$ Z6 p - left: 9px;
5 [1 H$ m7 N! v; S- D: m6 x3 ? - border-left: 5px solid transparent;. i% V, e. O0 a D3 ^: ]
- border-right: 5px solid transparent;
, r7 i4 u G9 O$ R, o - border-top: 5px solid #2B222A;6 U$ N; n- p% R' h/ A }
- content: " ";
, M: k3 ~4 T4 e - font-size: 0; h4 l& N7 L3 S! p
- line-height: 0;
" @. E; I7 O1 \( s1 ]4 Q - margin-left: -5px;* v( \, F0 H" `7 g
- width: 0;! ^9 M. o: \$ Y \
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- .tooltip-toggle::before, .tooltip-toggle::after {
( y& }4 D0 y* e; E; d - color: #efefef;1 @& p0 t7 R$ c, u2 {; b2 J
- font-family: monospace;1 E) W# O% C. }% G: N' W4 ^5 Y8 m
- font-size: 16px;
& v8 S6 @: ~. @2 B d - opacity: 0;
* K1 e. U: P+ Z. o8 ~( z" T - pointer-events: none;5 }, L6 w& `5 R( n+ g
- text-align: center;
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- .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {* w: k3 z/ R. C, ~9 P* X* [3 x
- opacity: 1;- h! G0 N! A+ P4 e7 V
- -webkit-transition: all 0.75s ease;
* n$ I$ c) x# x - 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">
( E$ L r& @2 ? n7 P - <ul class="nav-items">
9 z6 V5 V3 c1 u8 P; y( F$ z6 X: t - <!-- Navigation -->
$ ?# k: R1 x% V8 {. `2 e& T - <li class="nav-item"><a href="#">Home</a></li>0 J7 W: {8 g/ {: ^9 `! x# q
- <li class="nav-item"><a href="#">About</a></li>; s# l# r2 B0 O. l* I
- <li class="nav-item"><a href="#">Contact</a></li>$ C3 o+ t9 N$ P5 Z2 }# }
- <!-- Dropdown menu -->6 E, k6 B5 P9 ^: I/ z" m% \
- <li class="nav-item nav-item-dropdown">
& o6 H6 z8 d5 O( k - <a class="dropdown-trigger" href="#">Settings</a>" V, s/ j7 U! F& j0 F! \
- <ul class="dropdown-menu">7 Y+ v* r) [' S% ?
- <li class="dropdown-menu-item">8 g8 Y9 y& k) k/ c2 h: x
- <a href="#">Dropdown Item 1</a>. c+ o/ Q5 ~6 m. U; g+ u$ v
- </li>
3 d- ^: {# z# ^7 L - <li class="dropdown-menu-item">
1 L9 L& P! C; d) H9 | - <a href="#">Dropdown Item 2</a>
8 {! w* ^. Z" `1 P - </li>1 Q! P: }. d% |% Y2 @- T
- <li class="dropdown-menu-item">
" r* E, M& R% o8 P0 l - <a href="#">Dropdown Item 3</a>
& D! E- |* K9 r2 A3 K - </li>
8 c/ e4 x/ ~; z% i: z - </ul>
* s! a( c4 E) e; z8 ~ - </li>
! \+ ]+ `/ b+ @0 U1 S3 X' k - </ul>
( R4 Q! P. v4 D" C0 X6 i7 a - </div>
复制代码对应的CSS代码如下: - .nav-container {% P6 Y. _! A5 C
- background-color: #fff;
$ h& b* ~! F; C - border-radius: 4px;
$ ~% ]. q0 V; `0 h - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);: M# p/ a- a! U2 O" ]6 ? G
- padding: 1em;
; _9 G- l/ |) `/ i. T6 [! P* d - border: 1px solid #eee;
/ @0 i6 k8 u) \9 d# X7 J$ r - display: block;
) o# @4 m0 c5 f5 L) @4 w - max-width: 400px;4 W# T! _; I. |. R5 N
- margin: 0 auto;$ O# {; S( u% j0 O" y6 M" L
- text-align: center;
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- ul,, e) F4 k, [, [* X* e* ?
- li {
( P2 W( q$ a* N) ]- S% G# v - list-style: none;$ A- O1 h. H0 ^6 y1 p2 R
- -webkit-padding-start: 0;
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P; i6 T* @3 @& W - a {
, V* M$ t, S3 A. z - text-decoration: none;# k" P4 P* ]4 Q$ H* N9 s1 ~0 o
- color: #ED3E44;& y) d: S9 b% C" B4 V
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- .nav-item {
! W2 \# w% y) w0 g - padding: 1em;& C6 T( d L# r
- display: inline;
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7 d, ~+ \, y9 D) L) _ - .nav-item-dropdown {! e% J( {: J) w% A' ?* X. Q5 H$ A. k {0 f
- position: relative;
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- .nav-item-dropdown:hover > .dropdown-menu {/ \( t' j k1 s1 t: n2 w$ S+ F- u9 G" ^
- display: block;% }2 x0 ?6 m4 U$ d% C+ ^
- opacity: 1;* y Y `% a ^, ]
- }
% E* F& s" L, C9 r: f - .dropdown-trigger {: p; F/ _% a8 U' U* G! H) c
- position: relative;
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- .dropdown-trigger:focus + .dropdown-menu {
. j# y" |# V& F$ ]2 d$ O7 D/ K. ~ - display: block;
+ I0 Z) f" g A, B - opacity: 1;
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- .dropdown-trigger::after {
8 h/ ?' U& t0 K1 v8 w9 l2 @$ } - content: "›";4 u2 x, u, ^( H- w
- position: absolute;
$ [4 I* ^8 m7 A2 Q3 j* H3 R - color: #ED3E44;
6 r* Y( f$ K' }" L: ? - font-size: 24px;1 D" E# [0 Y' g
- font-weight: bold;
# ~3 s5 q: C. C. ?* X& J l - -webkit-transform: rotate(90deg);% j7 l; k: z) x* J8 Q
- transform: rotate(90deg);4 Y9 m2 o/ N- K( v3 a
- top: -5px;
6 ^" e! b9 g' O6 }( F0 {/ } - right: -15px;* W4 t5 D( e: {. E* q4 ^8 n
- }
* Q. d' v. H7 H! w& E1 {; j! }- c - .dropdown-menu {- a9 }. A. [4 R! p& {1 X, U% d
- background-color: #ED3E44;
, |3 x! i* ~1 O; K |% k - display: inline-block;
5 r, R( Y8 B9 X - text-align: right;8 J* |* Y9 r+ e1 x
- position: absolute;' r' e( U* K% Q
- top: 2.5rem;
3 i e" t N' E$ b# W; \/ S* h6 k - right: -10px;
, g/ W2 t* O/ Y* { - display: none;5 U0 e' Y$ m) _
- opacity: 0;$ y @) m; {1 B7 k
- -webkit-transition: opacity 0.5s ease;; l2 l7 @( \& g; [
- transition: opacity 0.5s ease;
5 R9 l- m1 f" ^; [: @& l. M, U - width: 160px;
! x/ [' M) U+ [4 J% m6 \- B3 M3 R - }3 T; q% H2 `$ |- i+ m4 n
- .dropdown-menu a {* |& C1 o. M5 G4 P& Z7 V) p
- color: #fff;& V+ F$ P* @1 Z m/ \
- }
) o7 a! f E4 d! y/ I! k. M - .dropdown-menu-item {
" e* i" q4 e/ ]3 A - cursor: pointer;' v+ f. {+ B( p: E3 L' R+ A1 n# G# Y
- padding: 1em;
S/ _! R) C, Q5 X - text-align: center;5 M0 z1 t* |7 [: F* v
- }& ]) ?# Q$ {1 g# H A
- .dropdown-menu-item:hover {
" S6 P5 P3 u2 Z7 E1 x - background-color: #eb272d;2 H+ R7 F3 k, l( I1 V
- }
复制代码 G+ [4 M6 {) g- R+ p) i1 e
可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">
' |' `; m$ d; H6 W! l- [# S - <!-- Checkbox toggle -->- p8 y/ d* ?+ P z. r3 O( _
- <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">
( S, R7 K! Q7 | p- W! M - <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>1 ?8 f l9 J& p+ g$ ^+ w9 X
- <!-- Content to toggle from www.mfbuluo.com-->2 m& }+ X$ ^( V# h
- <div role="toggle" class="toggle-content">
$ i0 t6 ~* h3 @$ f `4 A - BA-NA-NA-NA!% g: ^" ^9 F: s, G
- </div>' A* B1 r# I: N
- </div>
复制代码CSS代码内容如下: - .toggle {0 W9 u" ~. E0 t. {
- margin: 0 auto;
- B% `) B5 _8 J - max-width: 400px;; n7 a5 G0 ]+ L9 w$ ^
- }
; T; g; q9 L8 @) `/ T$ K' v9 L - .toggle-label {
* \, L* g% Q! s( ~ - font-size: 16px;
2 M% m/ l L/ N5 ?* F% ]7 E+ @ - background: #fff;
4 s9 a4 ~) P/ Z- s* a - padding: 1em;
; k4 A" t, @" U8 h - cursor: pointer;
8 ]& j. V& n: V8 R8 V' @" d - display: block;! X# h) I1 D' p( v7 w# ` U! O
- margin: 0 auto 1em;
( l/ w9 }3 W- p( e7 l' u' [" s - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);# a. ^7 X5 q/ k* o
- border-radius: 4px;8 W4 _- _" m% M, s! O
- }3 |; N: H' r, B& A
- .toggle-label:after {5 e$ e' S8 w" m+ I
- color: #ED3E44;
; i, i( W" T9 y) n - content: "+";
6 B( p, l8 z w. z, M+ } - float: right;
2 d' D9 l; g' G& { - font-weight: bold;- P! m% v3 \" Q
- }9 I" l$ A& J5 X: N6 w. l
- .toggle-content {
* Q- L6 c* f/ {% V+ `1 ]- x! H( O - color: #B0B3C2;- G0 v$ R5 E; A
- font-family: monospace;0 ]" Q! o" t3 A* S3 Q" E
- font-size: 16px;
" ?. N% { V z+ a - margin-bottom: 1.5em;
h* q: Y0 K$ Z; _, I+ r - padding: 1em;
% [% j6 y$ L+ h! o& I. i7 o0 ^ - }% n# Y$ g* \1 g4 Z& f) f3 h! q; R
- .toggle-input {- Y4 l" q- d/ w$ O
- display: none;+ A/ y3 n4 ~! C' Z- m# `
- }
- ]8 P$ z4 D- c& @% q A- ?# l - .toggle-input:not(checked) ~ .toggle-content {
" U8 k, r x( s - display: none;; b+ C; h- n0 ?: o' F1 H
- }& k, }% i) N4 |0 u$ V% u7 ~9 N
- .toggle-input:checked ~ .toggle-content {
6 Y6 k# e* Z5 O/ U3 ^% I - display: block;/ w# F& Y1 @/ ~- U5 k, a( W' Q
- } T+ K1 l4 B" B7 D' x6 y
- .toggle-input:checked ~ .toggle-label:after {
1 J) c& |3 K! x6 e) M& [ - content: "-";: ]3 r; c8 H p4 U
- }
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