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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) `! U+ L6 I( @) | x - Label for your tooltip
+ k; V2 @+ R r2 d# K - </span>
复制代码CSS代码: - .tooltip-toggle {
% j* T L9 e* Z6 c - cursor: pointer;2 C/ \7 U* ^ {4 L
- position: relative;* J4 M* |6 y! k* K' p
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- .tooltip-toggle svg {) p) V! w1 s8 _3 A
- height: 18px;& M. s5 w. {6 T
- width: 18px;
2 ]/ ~% p* ~) g$ \ - padding-right: 0.5rem;
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" t& S5 {1 _, ^8 l3 P - .tooltip-toggle::before {7 @5 G0 Z: V- |+ U6 Z% x
- position: absolute;
8 v, P+ U) z/ Y# B - top: -80px;
4 a) ]0 a6 ?4 `* K7 m e9 d - left: -80px;9 Q* Y0 Z, ]0 ~& R& D
- background-color: #2B222A;
) E7 r5 y9 f% x+ b - border-radius: 5px;% \8 ?/ l2 M5 `
- color: #fff;
, H. s. W( b8 E% V7 j+ F" X z; Z - content: attr(data-tooltip);) b! W0 L+ y6 i+ R$ {
- padding: 1rem;3 @ l) @/ ~6 ~1 | |
- text-transform: none;
& J" _# Y6 W" n7 A& J. s - -webkit-transition: all 0.5s ease;4 h+ H5 |6 t9 o( x
- transition: all 0.5s ease;5 m4 c8 l, m; Y. `* ?+ d1 @! j' |
- width: 160px;
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- .tooltip-toggle::after {
2 `; q: y6 i! J2 w- u2 R - position: absolute;
$ i3 u$ ? l( t6 S$ E - top: -12px;4 _7 Q! o; c8 q/ E# T( M( F% J% x
- left: 9px;
9 ?. F* v# v; F. c9 b d - border-left: 5px solid transparent;2 t' ?0 g2 f8 c- i1 x: T1 y
- border-right: 5px solid transparent;
8 a, y$ V. [! W - border-top: 5px solid #2B222A;' Z! z; L) f3 _) n: r
- content: " ";9 ]& l& G( h- n U# _+ @6 m
- font-size: 0;
y4 G% O! y% h8 j$ y' z7 @1 V - line-height: 0;
9 w. n, Y5 E* k$ V* } - margin-left: -5px;; b+ M0 M2 m4 ]6 X" m: S
- width: 0;
+ ]' ~ ?1 l& e - }
* @0 d$ @0 t9 B, J4 C - .tooltip-toggle::before, .tooltip-toggle::after {9 _& y7 t5 f% i2 a
- color: #efefef;
1 R7 `1 }9 G: Y+ e - font-family: monospace;) N; I1 n! V7 W* _, C2 U; l
- font-size: 16px;' Y7 ], e. [ S/ c9 u: u
- opacity: 0;) V" G9 T# B0 B; x* o
- pointer-events: none;
8 P G* R* r5 K9 m1 I - text-align: center;4 _# I; _, o, ?9 a, z
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- .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {
' N6 F/ x9 _% d o4 m - opacity: 1;
! Q! S6 Q2 N1 `! ^- s - -webkit-transition: all 0.75s ease;5 R3 I) B" W' c$ b
- transition: all 0.75s ease;
- q, L4 @6 }' x/ 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">
* B: J3 K$ {, }' b8 `& r - <ul class="nav-items">% ]) a4 s3 N2 ?$ \* M! Q$ y" Q
- <!-- Navigation -->( @0 j( ?6 [1 b! y# s( w- H
- <li class="nav-item"><a href="#">Home</a></li>
$ ^4 B8 c" L. d8 W* F - <li class="nav-item"><a href="#">About</a></li>
5 c% t& C$ N* f% Z; p3 P - <li class="nav-item"><a href="#">Contact</a></li>. t! B. x2 O( i: s7 s
- <!-- Dropdown menu -->$ H# `& W# S+ _+ }/ ^; R% I( e/ {
- <li class="nav-item nav-item-dropdown">
1 h# b& m1 p% S$ n m - <a class="dropdown-trigger" href="#">Settings</a>
: q. S3 I' R' Z- ?% \% N1 h - <ul class="dropdown-menu">6 j8 a; a$ F( m# J4 p# y$ [2 g9 S
- <li class="dropdown-menu-item">0 S6 ]/ M: J; X2 e
- <a href="#">Dropdown Item 1</a>4 U& M) _; Q( t U0 _: O5 ^
- </li>
& B$ x$ X4 r" B* Q - <li class="dropdown-menu-item">
0 k3 N+ T3 @ j9 x9 c2 Q4 |* u8 C& s - <a href="#">Dropdown Item 2</a>$ Z- Y! C5 s) i" k( ]! u% r
- </li>
9 K4 T+ o! m4 H9 n - <li class="dropdown-menu-item">
$ x8 l% @( E4 H4 W9 d6 X - <a href="#">Dropdown Item 3</a># B6 ?. K! I1 J! _# p6 n
- </li>
6 i0 V1 x' p5 b1 W% d" o' I2 h - </ul>/ d& y+ u: w o3 s- S
- </li># r) y. y2 d+ A. X/ L/ K# _0 v
- </ul>8 [. X9 A+ W" h+ i; s& `
- </div>
复制代码对应的CSS代码如下: - .nav-container {& p& M8 d/ U3 w" v, e( ^) q
- background-color: #fff;
. F- u% [# b; u - border-radius: 4px;% c% z0 l6 |, K, ?/ n- b- K% o9 d: r% J, v
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
a1 y" a- F5 s7 o* A2 ?# ^6 ^! { - padding: 1em;5 C2 o0 r- @" a$ _ n
- border: 1px solid #eee; E9 W# l5 V( f: {7 O
- display: block;
. ^' c6 i* t/ `* F: l - max-width: 400px;
, L( R/ G2 Q. ? t( K0 l - margin: 0 auto;
: t# t& g, R0 R( i - text-align: center;- n6 _2 K9 Y& G
- }
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- li {) W1 f) H0 E7 l, l
- list-style: none;" b+ |3 z0 S; V5 l
- -webkit-padding-start: 0;
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- text-decoration: none;
% c5 ^$ I- F! U4 o$ m& T; v, q - color: #ED3E44;5 _2 j3 y* b, S( v' d6 q
- }; o0 y5 u9 z5 d7 f7 S3 S$ p0 {
- .nav-item {
- c" @, j# A' U& o, e8 u; a - padding: 1em;
" N2 S* ~1 n! `' c- r - display: inline;
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. y' o/ }/ U' o1 j2 M7 ?+ s - .nav-item-dropdown {
6 o# M$ R! ^. v. C" P1 T H( I; g - position: relative;! z" K7 m! B( m" N" ]: G# u/ h
- }
4 S4 |: L3 j+ ? - .nav-item-dropdown:hover > .dropdown-menu {0 Z; X, R8 V$ c; [
- display: block;$ {0 n; J4 @& g8 y$ E) s
- opacity: 1;& N* H2 t# S3 ^
- }
# n" F7 H& h. C9 q+ U" K/ X - .dropdown-trigger {$ U R8 R ^! B- w
- position: relative;
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. r7 h: `' P9 {0 s2 n' J - .dropdown-trigger:focus + .dropdown-menu {8 A: E) o6 ^: z$ c6 Z+ M9 }
- display: block;
4 m( j* @3 T# m - opacity: 1;0 _; D( T" Z* V& T; }
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- .dropdown-trigger::after {# a, p8 N' B/ e! Z, D! {2 @
- content: "›";
. ^6 r' F% ^3 y - position: absolute; g" e3 M7 d3 @0 @6 g6 e" m
- color: #ED3E44;
* H U, ^1 \- J" W1 W - font-size: 24px;
: U9 E. h* w7 y) f: h2 G# h - font-weight: bold;# x Z y }' J' d* F
- -webkit-transform: rotate(90deg);
* t, @2 O s! K - transform: rotate(90deg);% U4 Q. m! V- X/ O0 e- o0 m
- top: -5px;
7 K" j+ I z; q1 z( _ - right: -15px;
- s: ^2 D8 h! t4 T$ L) A/ t# P - }
2 F- V6 ~5 y* ~/ ?' A, \: R( j - .dropdown-menu {
& m& q* h& W* H$ K, I) ^5 j- M, e - background-color: #ED3E44;+ E* { f& ^* L: z/ C9 {. i
- display: inline-block;: C! M& _) L. ]3 U) j4 V
- text-align: right;% L/ ?* G# \' n; X
- position: absolute;& n- o3 O. I0 x9 \$ P" X
- top: 2.5rem;
% V- Y' e' _2 p7 w. l - right: -10px;8 F; b/ o9 N) W
- display: none;
8 K; F' P G+ u9 M - opacity: 0;
' |. L4 Q* [: m& Q2 V) e+ E3 ?6 T - -webkit-transition: opacity 0.5s ease;: L8 Y! Q1 D5 F1 Z$ j% Y
- transition: opacity 0.5s ease;$ z) ~9 D# I+ z: Y S
- width: 160px;2 g; t% X. E7 O3 {6 b5 |
- }$ h. K0 ~, Z Q1 `0 Q
- .dropdown-menu a {
- g% m9 i1 Y# G7 x - color: #fff;
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- .dropdown-menu-item {
/ j( g8 a1 ]7 ]- z% ~: q - cursor: pointer;
0 Z0 D: J7 [) M; h1 _ - padding: 1em;
) h0 @8 D( N& m1 I/ E$ p* w - text-align: center;
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- .dropdown-menu-item:hover {
* [: x k% I6 [ - background-color: #eb272d;! l) L' b- h' ^& g5 F1 F
- }
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9 \6 s* p) f' h4 q* ~. v: `可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">
$ |- ^+ n; g; g8 h - <!-- Checkbox toggle -->
9 c& c6 a2 L& j& M7 h" C/ y* N+ \# a - <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">
% @+ J1 f& c, ]3 O - <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>
6 Z, j; ^' _* f L - <!-- Content to toggle from www.mfbuluo.com-->5 v2 ^8 ?& i! E( Y# v
- <div role="toggle" class="toggle-content">
8 G+ | E' o+ F - BA-NA-NA-NA!
( v& p# j+ F9 m& W) p+ S' M - </div>
5 q& Y) A6 L* D. ? - </div>
复制代码CSS代码内容如下: - .toggle {6 p" w4 e" \( f3 d: [1 E
- margin: 0 auto;
2 `. D/ ]3 }, T/ L9 { - max-width: 400px;9 z% K. P# b G+ I
- }+ M2 P Z. O; ~7 J) D% }
- .toggle-label {2 v: P) r$ U0 H8 g- V
- font-size: 16px;
& P* r6 j$ L" U: I i( O* [) O - background: #fff;- j; u9 o, R% J
- padding: 1em;
; K/ J( k9 E) T# v! B# J - cursor: pointer;
3 v$ Y$ E4 |8 H - display: block;
" Q& P2 L: B3 W6 z! P9 ~3 ?5 M6 o4 Q - margin: 0 auto 1em;& V9 }1 q" {3 a0 h8 L5 ?
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
6 Y8 | D, [0 {* e - border-radius: 4px;, Z- i# F/ p, o9 E8 e O: B' S
- }
9 E, k7 q z; k j7 X/ M - .toggle-label:after {7 R% B: A$ p) L
- color: #ED3E44;' Y/ P- V! s1 n
- content: "+";
8 C$ _; y! }1 |, l - float: right;) _3 ]9 i7 y, a
- font-weight: bold;/ s! s( i/ E6 k" I4 d& p4 a0 q
- }
) m% `! g: X9 r; ?1 K# j& l - .toggle-content {/ l8 W8 W% g0 c
- color: #B0B3C2;
& l8 n- X" G$ |1 s* D3 Z - font-family: monospace;, K' `7 N. t% o; w a0 ?& |0 ~
- font-size: 16px;9 B: p, A8 n" u' [
- margin-bottom: 1.5em;4 ^+ |- ^5 ?, A% V
- padding: 1em;
`/ W" T6 F9 l& ^- a - }% P& v' R. u9 Y: u
- .toggle-input {
6 t2 A6 _3 @. N9 {& H3 J - display: none;5 [" F+ ~& O$ B
- }6 n. b0 }3 |1 O% p! e$ j
- .toggle-input:not(checked) ~ .toggle-content {' m1 t) v% F! n2 x* a
- display: none;
5 w: j( K, I( v! G - }
* G; F6 M+ O9 D% {& X& E - .toggle-input:checked ~ .toggle-content {+ z; a* E; s4 C. x3 n/ C9 {
- display: block;2 s5 G. b/ Q# F/ T( X$ x
- }
+ t! D# i% M1 I/ M% O0 W - .toggle-input:checked ~ .toggle-label:after {
4 Z& Q; u; w- l/ W# G% [/ D - content: "-";, b, ^* I, l. ~$ I7 R
- }
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