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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!">* |. e8 B$ H& h
- Label for your tooltip
. n, h# N0 f9 y* R2 Y, P - </span>
复制代码CSS代码: - .tooltip-toggle {% T7 d" b8 f, Q& f8 ^9 r
- cursor: pointer;! o+ }1 J& E6 v# j2 J
- position: relative;
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- .tooltip-toggle svg {
8 ` L2 Y! u- H/ w - height: 18px;
- G( j F# D# [# Z# n% U - width: 18px;
8 d* v$ g1 J0 g, I) O+ u" j3 k - padding-right: 0.5rem;
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- .tooltip-toggle::before { `) y5 l: B$ E
- position: absolute;/ \9 D6 g" L }4 t4 z3 @. C
- top: -80px;, |. Z2 S% T) {$ C
- left: -80px;
$ P4 J9 q3 i: ]" r - background-color: #2B222A;# x# s( |/ e0 t! o& c
- border-radius: 5px;6 F' A" j7 W; y" G |8 `# H
- color: #fff;% U+ D" b9 v3 f& b! T8 X
- content: attr(data-tooltip);/ A% Y" Q/ ^: n- y* h+ b \
- padding: 1rem;
% x ]& I L: g! X% Q: N W - text-transform: none;# C5 p3 m" h4 E& A& A; N+ H
- -webkit-transition: all 0.5s ease;
P$ _" h6 S. Z! X c: G - transition: all 0.5s ease;
3 \' Q0 G1 K- v6 T - width: 160px;
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- v, D8 `5 J' C% w& T8 n4 E/ r% r7 o - .tooltip-toggle::after {
$ c4 U/ N/ g4 `+ \ - position: absolute;
2 ]8 Y# ?7 w* l" }& g' J( U - top: -12px;
5 o' |% s$ ~7 x$ Q. L) ~ - left: 9px;
$ m9 l, J2 Z, a" n. |0 a - border-left: 5px solid transparent;- I i; k$ X; T4 L
- border-right: 5px solid transparent;0 ^! j3 u2 C9 p' Y) B% O
- border-top: 5px solid #2B222A;, j# V* ~: T" Y+ W- `$ Q# T
- content: " ";
: E3 ]" t/ c- D! t4 J- K - font-size: 0;- B- S& _! m( o! J: x/ \+ N0 R
- line-height: 0;; M4 p n. {% s, G6 H
- margin-left: -5px;5 p, ?6 K4 Q8 o( ? H7 j4 ~7 m
- width: 0;2 ]6 f/ I9 g" w8 x
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- .tooltip-toggle::before, .tooltip-toggle::after {
# d# _ p" F# B2 |6 J: R1 o+ n- N1 |( i - color: #efefef;
$ `9 U" b9 t: p c }- \; m - font-family: monospace;6 r9 T% y8 z# v4 S# L
- font-size: 16px;
2 V+ R7 r5 g; w/ ]7 I, l - opacity: 0;
* w1 D6 a( G8 K* f! b4 v - pointer-events: none;
: P p5 E" @# T+ c! B9 M1 B# l2 M) l - text-align: center;
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- .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {
: Z' w: h5 g1 \7 J# p - opacity: 1;
; z2 q q7 _+ E - -webkit-transition: all 0.75s ease;" A" e# u0 ^! ]
- 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">/ G: O& p. l+ k1 Q5 S& Y4 a9 D- A
- <ul class="nav-items">
2 b, l! R; r A3 B0 e2 g - <!-- Navigation --> l. `: p: B6 W* R
- <li class="nav-item"><a href="#">Home</a></li>: C. G: @. `) r. b# [, U$ Q* y. ^& o
- <li class="nav-item"><a href="#">About</a></li>) x; g. _" ]& V, P4 m1 z8 f
- <li class="nav-item"><a href="#">Contact</a></li>
2 ]- y3 U. J( I, Y: ~2 T4 O' F7 R - <!-- Dropdown menu -->
/ c: M+ s( U9 ^) X- L1 w; Z - <li class="nav-item nav-item-dropdown">
4 q2 M+ g5 _3 D4 U! w. T - <a class="dropdown-trigger" href="#">Settings</a>
' `/ g& J, e" e! } - <ul class="dropdown-menu">
4 c! ]8 i% W; ]( x - <li class="dropdown-menu-item">
' {) |5 G) s2 T7 M8 x - <a href="#">Dropdown Item 1</a>
/ N. a+ G( f3 W" ~5 g- \2 a - </li>
G2 F- y3 G4 U4 E - <li class="dropdown-menu-item">) \: C. V0 Z4 O, ^# N
- <a href="#">Dropdown Item 2</a>
" o0 t- k* W2 r4 ] y2 Q2 k) w - </li>
6 c8 u8 A2 M8 Q - <li class="dropdown-menu-item">- n" w3 J2 z7 C* z5 Y) Z
- <a href="#">Dropdown Item 3</a>% r2 }8 ~3 r5 p3 k |3 k9 Y' `
- </li>. K8 s( N7 X& @ [# O, O2 Z
- </ul>
' Y) p" y/ U6 N) e7 ` X. B0 o- T - </li>- \& g9 i1 L3 y
- </ul>
- l% e* O1 N! |' R5 V# N" y - </div>
复制代码对应的CSS代码如下: - .nav-container {& f4 L2 `0 H, ^# C+ b
- background-color: #fff;3 q# ^3 Y7 N9 e5 T
- border-radius: 4px;
& d3 h. f( \% k# v# Z. Y - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);! M& Z3 {8 J" l6 s# H2 B' w; {
- padding: 1em;
5 E0 j* u; J @/ o% n - border: 1px solid #eee;
B1 j: l/ X. j - display: block;. ]& Y3 z1 A/ m( X4 L) V0 P1 Q$ c
- max-width: 400px;. P) |! \& p! _0 Q2 m4 g
- margin: 0 auto;
3 ~1 A4 ^9 T- W, s$ j9 Z* C - text-align: center;( F6 I, l. m2 {# u- i+ W
- }8 Y: x* ~1 s7 d3 c% ^ X
- ul,
) e6 P+ A4 h Q! e - li {
/ A2 v# g! S# E& ?) d! v - list-style: none;
( V8 ^- n* Z/ z0 t" F( n - -webkit-padding-start: 0;
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- a {% Q( @ X' m; r( K/ D. K, J
- text-decoration: none;2 I! b ~' M S1 x' F. D
- color: #ED3E44;
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- .nav-item {' a8 s% g5 C" K# p5 O' j
- padding: 1em;
. V6 a, U2 P+ D5 z# A8 D+ u - display: inline;& b' |: T# j) V! J
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- .nav-item-dropdown {) I h. {0 L9 G
- position: relative;
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- .nav-item-dropdown:hover > .dropdown-menu {
- g$ ?( m: M2 i" t8 R- t2 ? - display: block;
6 Z* [) X9 V# D; A - opacity: 1;& |$ L: N9 x/ p8 i
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- .dropdown-trigger {
# u+ g+ a' }' D$ z4 U - position: relative;
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2 E! A8 R# H3 s; A: w, C$ ?6 N - .dropdown-trigger:focus + .dropdown-menu {. d/ k7 q6 N1 G; d- B- H* Z8 v
- display: block;
, [% A6 W9 N5 C. a1 v - opacity: 1;* r6 P1 Q2 C# V4 x/ k! S2 y
- }
) o$ w% V% t9 h4 r - .dropdown-trigger::after {
" c$ O8 A: |6 ^! g0 G - content: "›";/ y0 R* A& z! y9 ^# y
- position: absolute;
- c2 d* C( V6 B- c - color: #ED3E44;# k9 a3 u3 n Z N
- font-size: 24px;7 v1 S: f* ]8 v/ T8 E
- font-weight: bold;) N$ ~2 J8 J( |* w& V% O5 E$ p
- -webkit-transform: rotate(90deg);2 d: T# d7 N3 b( p0 m
- transform: rotate(90deg);
y: k- M8 B" t! T1 X/ D - top: -5px;
. r0 c s+ F8 R( @5 i( m: N - right: -15px;
' O! C/ X8 l# v; E2 o/ } - }
]7 W& `* n9 f: B2 a3 F - .dropdown-menu {* o- H h% m, A2 S% ^
- background-color: #ED3E44;% z$ R% ^8 \; O9 j* t5 T5 F
- display: inline-block;( M1 g( P6 G9 ?) D
- text-align: right;
, Q, k1 k5 W! e - position: absolute;( ?. r+ ]' C, ^6 w7 z0 n8 g4 b3 t9 ?
- top: 2.5rem;/ Q' ]# f. n; q, I, l
- right: -10px;8 [1 ~, F* S' U
- display: none;
! U X2 M1 S1 z; Z* I; V+ v - opacity: 0;
$ b/ i. G- v* b' i& |1 l - -webkit-transition: opacity 0.5s ease;, D. s: ?1 u8 r
- transition: opacity 0.5s ease;
; A+ r& E4 L& Y6 a7 o/ ]% ]' G - width: 160px;' I% w' r, E6 W: n
- }3 E5 s: r; d' l" V
- .dropdown-menu a {
: e: ?2 @) Q5 C: r/ g; ~6 F9 A - color: #fff;! [8 K5 h: @3 ~, |* V$ O% m% P
- }7 ?0 D# z; {3 v$ p0 i
- .dropdown-menu-item {, d$ \9 d* @7 ]6 n' ^5 T, R
- cursor: pointer;
5 l$ i9 ?+ J/ W' e - padding: 1em;
+ l6 E, M4 x1 h9 e) }1 ^( s. B% Q) a! a9 ?, n - text-align: center;' S% k( T; G+ G3 S8 @. N' ]) R
- }# c( t6 G- i2 ^' p9 A* R
- .dropdown-menu-item:hover {; u1 \0 Y, m3 N5 W) I* G
- background-color: #eb272d;3 x- Q- k8 r# O
- }
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2 c6 z6 d; q9 `3 q! B+ C2 H可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">
- f2 b( j6 ?. n - <!-- Checkbox toggle -->
. d" ~& y& _: H3 V Q" d& Y2 P - <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">
9 f" S' J8 [6 d6 \2 I% a( H+ d - <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>
# P/ l! y4 m( H: j, m - <!-- Content to toggle from www.mfbuluo.com-->, \* E6 H5 r8 T! I2 o; a
- <div role="toggle" class="toggle-content">
& [$ [! C' |; q6 P* D) @ - BA-NA-NA-NA!. s- _7 i# S8 Q5 ]& m" l2 M: I
- </div>
9 E; Z7 k4 E, } - </div>
复制代码CSS代码内容如下: - .toggle {
, H, J5 x: V0 c' H- e9 K$ c% q" M1 A" p - margin: 0 auto;* P( I m9 j" h- {2 j* K
- max-width: 400px;) E7 F2 O6 K; T% _. Z
- }
' K4 g9 p- ~+ x+ l. D. ?* O* [ - .toggle-label {
) {* b7 P( ?9 l; Q5 U w" ~ - font-size: 16px;3 _& t: O8 n; s. J* Y
- background: #fff;
# b4 N& q1 c+ e! F+ o& g D9 l% v - padding: 1em;, e( T! J1 i, f
- cursor: pointer;! k# r, n1 J% r6 j1 U& Q$ {
- display: block;
% ]9 p: b1 l+ i: i( G - margin: 0 auto 1em;, {8 }% t1 z5 u) ]' C
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
6 ^& B' g( g* c - border-radius: 4px;9 I! g" u/ K7 V6 p* P
- }
% \! l! s* V1 {3 v% b - .toggle-label:after {2 E+ S: ]$ \, m# O
- color: #ED3E44;
) t0 c. m) E- a4 i8 Y: T# i - content: "+"; p6 c# _: \8 i4 P4 j7 b" ^
- float: right;) Q6 J$ G! ]8 d0 H ~
- font-weight: bold; l+ y* H* n0 }: M. j+ g
- }# r; Y& z# P/ L5 }$ F6 m
- .toggle-content {! _+ g- \6 R# S, z8 a N
- color: #B0B3C2;0 l: @- [! P, l5 K; l
- font-family: monospace;
+ w! W+ j' r; I& p - font-size: 16px;
0 D' `8 \7 F& S( y: E" ? - margin-bottom: 1.5em;
7 a6 }( C. R% l0 C9 I - padding: 1em;! c, e4 D! R" o) |/ ?; M, a
- }
W0 f4 I& N y) k - .toggle-input {
0 @2 W% H" N# U/ y0 L# q( { - display: none;" D3 B( O7 G/ n- D# |4 B
- }8 @: e9 M6 c# m4 O- t \* m+ \
- .toggle-input:not(checked) ~ .toggle-content {
; K/ U1 C F& Z! Q - display: none;, V7 a# I! V* z( o' `
- } F% H6 L$ I; p/ e
- .toggle-input:checked ~ .toggle-content {
; Y) @4 i6 A* q - display: block;' n2 z* }9 c- Y; ]! W
- }
: A: q. K1 a( w1 B J3 P5 K - .toggle-input:checked ~ .toggle-label:after {% y( Y+ ?* \3 o) W8 j' f
- content: "-";; r" _! l$ s; q' d G/ Z v$ v
- }
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