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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!">/ i. f k# F/ W- ~& x
- Label for your tooltip
0 d: e! Y! t( y% S* i' t. b - </span>
复制代码CSS代码: - .tooltip-toggle {& c& ^0 F& M F. S
- cursor: pointer; y8 L& m* X! c6 q
- position: relative;
4 n, p; _0 L3 ` - }
! X9 D( v! m+ |+ w7 P- Y, J! Y - .tooltip-toggle svg {
]( A5 y- B, Q M - height: 18px;1 }, z3 k# C6 e/ b
- width: 18px;" @7 X. |2 ` [) L
- padding-right: 0.5rem;1 e. d: s! u1 h& w
- }
9 J7 N/ E$ a( l2 f - .tooltip-toggle::before {/ Z5 g; c7 T# ~; q* T6 Q
- position: absolute;
! H+ N3 g i- n5 D - top: -80px;& e- _* u/ |, f! L. N8 Z0 g
- left: -80px;- @) l* e: D. F* T5 p$ p; ^8 J* B
- background-color: #2B222A;
: }% O+ C0 ]7 ~1 v$ a - border-radius: 5px;" Z! C! y* S0 {; i4 a( P; Q
- color: #fff;
, h! o+ V/ s# n d: l( @; \ - content: attr(data-tooltip);
: ?) s* Y4 a# ~ - padding: 1rem;. ^) |$ m1 ~- v/ Y# J C0 B
- text-transform: none;
. C3 J/ o8 e0 P% `" g* M) w - -webkit-transition: all 0.5s ease;
* D5 `6 a0 K( y - transition: all 0.5s ease;
% n0 |" k% t* n5 o - width: 160px;6 n% o8 c' ?/ ]- w5 N. C
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- .tooltip-toggle::after {/ Q( q# l. E" j# n. }4 _- W
- position: absolute;2 m- b$ T' \. k, [8 k: h+ P( g
- top: -12px;& J- o( ~0 r- T
- left: 9px;* Y5 ~$ V/ n/ J* M
- border-left: 5px solid transparent;
! w z, e g$ N* ?% n/ | - border-right: 5px solid transparent;
6 \0 ?, W. ^0 ^3 i3 T" ` - border-top: 5px solid #2B222A;
) }3 n0 B! m8 k. Q7 w. F - content: " ";6 g, r2 m* P7 S- i; \! l& e, N1 u+ @
- font-size: 0;6 k1 m' i" A( H$ G( _' s
- line-height: 0;# l: W2 [* M7 A
- margin-left: -5px;
# q9 F9 W8 x5 t - width: 0;4 W9 V/ Y3 c7 }: x: c8 x
- }
( m4 e4 l; ]) m9 P& i( n - .tooltip-toggle::before, .tooltip-toggle::after {" q9 B3 O7 w" T k0 ~! f% G8 {
- color: #efefef;
5 e0 B% v, S+ x; P+ | - font-family: monospace;, e2 Z$ d2 o7 c# c: K
- font-size: 16px;
6 `, }. B; i3 g& R6 U' m - opacity: 0;8 n: o4 M* ?9 \5 M, ?9 [
- pointer-events: none;
: d, W: ^- c2 \+ K; y! t) f, Q - text-align: center;* z" i% U* t2 {: K/ `7 A
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- .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {
1 |8 G" c' U+ G. K9 l - opacity: 1;
1 Z6 J& _- s. K# j) p2 \4 S' z - -webkit-transition: all 0.75s ease;
. Y1 S9 O1 o a7 ]$ g( x5 N1 q - transition: all 0.75s ease;7 a" U1 _! H8 N& b' T- b1 b9 W/ ]4 d
- }
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">
8 E- _, {- \3 ^' C4 ?7 S p - <ul class="nav-items">; d0 m5 s, g# f, h2 C) P; S
- <!-- Navigation -->
7 S/ q1 [, c s4 M5 y p - <li class="nav-item"><a href="#">Home</a></li>+ \$ H! H* K) R# C& Z' ~; G t- m7 [6 w
- <li class="nav-item"><a href="#">About</a></li>; ]. ]5 y! @6 t1 ]1 |
- <li class="nav-item"><a href="#">Contact</a></li>
& H2 m6 m3 N/ v3 o7 v - <!-- Dropdown menu -->
! r1 Y ^6 O" J7 I6 @ - <li class="nav-item nav-item-dropdown">
6 A2 o$ ?4 C n/ _ - <a class="dropdown-trigger" href="#">Settings</a>+ ?2 O! T; H2 P2 |- W' r/ W6 {
- <ul class="dropdown-menu">
- u" z( u. x- L5 E& ~: k - <li class="dropdown-menu-item">0 F m! r5 z9 w1 Q5 m! |
- <a href="#">Dropdown Item 1</a>1 _; k$ @) B( l% [
- </li>
1 O9 t& w Q- j- Z2 v* i9 j - <li class="dropdown-menu-item">; M* P, z) w- A. D: A1 }, Q
- <a href="#">Dropdown Item 2</a>9 j: ]$ i+ h! F3 J0 i
- </li> ?* e' r/ M9 j7 o: F
- <li class="dropdown-menu-item">
1 {# `2 @; p# H" b8 ? - <a href="#">Dropdown Item 3</a>" E8 c( l/ s# d3 F$ ]! ^' X
- </li>5 ~& k8 V9 Z0 l: C* f9 C- F/ k+ K
- </ul> F r& V# m, ]# J" t
- </li>8 ~' v+ } |1 O( S0 `2 W
- </ul>
/ O! `. ?7 I* P0 C$ V - </div>
复制代码对应的CSS代码如下: - .nav-container {1 u; O+ F0 L* u# z6 j$ V4 y o
- background-color: #fff;
, N2 [3 C6 d& Y# E - border-radius: 4px;/ j. g+ I* j7 E, ~ y6 y5 q. M0 W
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
- [& Y% p7 E; v( a1 e9 u - padding: 1em;- k4 T( o, M# m7 z" {! G; N
- border: 1px solid #eee; F- r8 J5 G+ _1 h/ x2 S% f& w
- display: block;) }! }4 {" H, ?* T! f# S- H5 F
- max-width: 400px;
. a# l% {5 P7 Y1 ?# b0 @ - margin: 0 auto;4 O; U. I" j' J H& _9 I
- text-align: center;9 n. ?8 S4 A& @+ P
- }
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- li {$ D9 H1 f$ O# W* {6 H
- list-style: none;4 @" p, X; K. v6 l: C
- -webkit-padding-start: 0;
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- text-decoration: none;
4 L I; ? Y( u - color: #ED3E44; y" ^( Y- ]2 O2 W5 J
- }
: n# H2 w) _% J% R, \9 b - .nav-item {
/ P# q3 }! ~$ L# G8 c9 V b% g& f - padding: 1em;
$ K4 M; U# E5 F: L, r. P - display: inline;& @: J# C2 ?0 I2 |: p a
- }
9 z# O, ?0 `1 e, X- N - .nav-item-dropdown {. t7 J$ b8 z; @, Z1 ]& S, S& ?
- position: relative;3 l8 e& X7 B# i
- }
- B& [* d8 h# f4 j" }! K - .nav-item-dropdown:hover > .dropdown-menu {
& b! Z' ? g! Y2 r( U3 @9 v - display: block;( J7 s2 n7 r# o* ^' T& H& j
- opacity: 1;
+ P7 H% }5 L, N5 N2 W4 f* K - }
, K) i/ J6 N- S3 a; M - .dropdown-trigger {
( ^% U$ r* r+ C6 J- h - position: relative;
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4 z& v! V* a7 I3 N* Y( Q - .dropdown-trigger:focus + .dropdown-menu {
7 S0 ~: L U) a4 h# k% d - display: block;
4 T3 V+ B- ~7 ] - opacity: 1;
. \: j2 t1 _, P7 F6 q3 | - }, t5 v; u& M8 K; q5 ~
- .dropdown-trigger::after {8 o* f p+ U- H. W# L: n
- content: "›";8 ]/ T6 J. k" U8 S' `5 \
- position: absolute;; d& k2 U/ j7 |8 }# ^* f
- color: #ED3E44;4 C, p1 e4 f3 y: ?6 K
- font-size: 24px;
9 h+ b( N& w3 @1 u: {7 c/ d - font-weight: bold;
& W1 B% r$ _( Y' z' H4 F* m - -webkit-transform: rotate(90deg);: e- k$ X* x) B" t# Y3 F
- transform: rotate(90deg);/ u) Y, b" e' @
- top: -5px;
% E$ y4 p: M7 e3 T1 o - right: -15px;
: E' u7 L9 s; ^; a- g - }
3 B+ T* z% x* ^1 _$ J) Z" t) Q - .dropdown-menu {/ F. _; _+ L* D1 }' t
- background-color: #ED3E44;! e# b S+ H6 H1 @; Y( p
- display: inline-block;7 C! O8 w, W3 Q$ b7 ]+ _
- text-align: right;
. s9 W/ o- x" e/ x2 n - position: absolute;
" f2 ~ z. q# A2 `0 K* ~% Q+ `. V - top: 2.5rem;
8 ^( M& u5 h( ?0 b- Q* K8 c - right: -10px;: S6 _0 c) D, e( @1 J
- display: none;: P: U6 {8 u# t* x/ \4 G; m
- opacity: 0;2 R+ q d% U( I o/ K( w9 O, O
- -webkit-transition: opacity 0.5s ease;
. f% m( r, q* Y1 V* ?/ f - transition: opacity 0.5s ease;
& L: a5 b& F" C, }: ^# V- d - width: 160px;
- B, Y7 E4 c& p1 v+ Z0 D; a/ W+ t, R - }
4 A. V, U) P6 j3 h2 I - .dropdown-menu a {
g) H9 b* u7 J$ Y8 ~* U - color: #fff;
" y& _2 `! c1 ^0 c( F! }* f+ d. ~7 D! n - }3 `) {5 A: S/ T: G0 Z. E
- .dropdown-menu-item {
4 }8 U. H0 {, U0 S) U$ L o - cursor: pointer;+ D0 `; r1 n8 t
- padding: 1em;5 m- p B2 m2 L+ ?" O; g0 i# d9 W
- text-align: center;" L! ]8 ^( U( }& ~* P
- }' i5 ~* F0 q3 O$ Q4 w7 y# v
- .dropdown-menu-item:hover {: Y# L) ]# ?$ a7 _/ h" ]& C! }
- background-color: #eb272d;. K F: |9 ?/ @/ A6 L8 ^0 o9 u2 M% k
- }
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可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">
* J. a; m2 Q3 V9 o+ `+ Z - <!-- Checkbox toggle -->; ~- Z2 ~* F% A- p _( [
- <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">
9 O! k0 i4 ^8 T2 p% S - <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>
/ ]( [/ H, ~- [/ x0 {/ v - <!-- Content to toggle from www.mfbuluo.com-->
; P5 G' Q" F' T3 `8 s5 P - <div role="toggle" class="toggle-content">
( `( G) O' \6 j5 `2 n - BA-NA-NA-NA!
4 a+ X3 A, H8 H3 m# P7 ? - </div>
) f2 F o; N* y8 ~1 | R5 T - </div>
复制代码CSS代码内容如下: - .toggle {
* X$ h, [0 q& Y2 \6 G - margin: 0 auto;4 u) |6 F) Y: M3 u
- max-width: 400px;3 i' x+ B' Q/ G- D
- }
g( H$ C( h0 C( }/ _3 t - .toggle-label {
: m# D6 K# x/ R0 u. ` s9 S" `! Y - font-size: 16px;
5 p8 K: b3 g. N$ i% Y0 K) t - background: #fff;
( I1 ^7 x" }3 R/ X - padding: 1em;8 A* M' ? e4 S+ x* l- J2 d
- cursor: pointer;
1 |. V1 M. v9 W3 c - display: block;
) R' c4 G E; O; m# r - margin: 0 auto 1em;
# q& u7 l7 q* E& z - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
# a: |8 P* p# @+ [ - border-radius: 4px;
. y, E& C, N* \% @/ Y$ `4 e* Y - }
& o3 y+ h+ R3 n9 C3 H9 ?: n& M8 F - .toggle-label:after {
. C! K3 j* L3 e; k+ n! G8 W) ] - color: #ED3E44;. V1 N- L4 O: }+ a; L* Y
- content: "+";/ g3 V/ u0 Q2 P
- float: right;
; I* H9 ], H7 D! L3 t; ^ - font-weight: bold;
+ ?' i0 y- N6 @6 V' Q - }! k* P" Y& l/ ^! p6 u+ O
- .toggle-content {
1 o) |' b- @6 L; z# ]7 @6 M c- S - color: #B0B3C2;) I3 t0 @" I+ M. N( r. B3 n% M
- font-family: monospace;1 s7 @6 H6 f; P0 o6 h! \% B( z
- font-size: 16px;
: J3 f B3 _+ }# G8 q7 [/ K - margin-bottom: 1.5em;
# U+ |; r1 o4 _$ l4 M ^ D - padding: 1em;9 X2 L* Z" a/ z& I1 ]' b# e' m6 q
- }0 ? z. v# v `
- .toggle-input {
! y$ k0 q1 ~/ |6 E( w - display: none;
- X, f1 ]5 v% I - }
0 H* o& n" i% M1 O: u! I( A( g - .toggle-input:not(checked) ~ .toggle-content {: ^! c- B; `) y& L! h: E
- display: none;& E! D9 a+ B8 _! A* n2 H
- }1 a* l. J' O6 k. T" l9 r
- .toggle-input:checked ~ .toggle-content {
, R' {2 M% l* x$ x - display: block;5 O# C$ d: a- n+ Y
- }2 O, P2 v9 R( {; C6 s
- .toggle-input:checked ~ .toggle-label:after {
$ \" A! p/ o( ~, q* ]9 b. f* W8 ~ - content: "-";* ]( V- ^# D" D2 @) E: c6 O3 c" I+ \
- }
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