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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!">5 J4 E: Y Q5 y6 O
- Label for your tooltip* ^* `8 ]! I8 E) u. v
- </span>
复制代码CSS代码: - .tooltip-toggle {
' X' p5 c ~# a: P - cursor: pointer;
3 |6 f1 b1 g6 V/ _3 N: ]$ M9 o/ ]! C - position: relative;
" d/ ^) t" h% S; h. v - }
# f) K3 }0 j" g* b3 z - .tooltip-toggle svg {, b# @4 E" h& f g$ N; M( C4 E2 G4 }
- height: 18px;# A' v7 P; W$ c# C2 F/ k' i2 `
- width: 18px;
0 {* k2 S0 t- X' V5 Z - padding-right: 0.5rem;
5 O+ h7 K/ N5 x) n9 k - }
# g; O) a1 E: [& j" M L5 O - .tooltip-toggle::before {
# j4 Q! Y. f3 `# f7 U5 r! i8 c - position: absolute;: H: ^( y2 d8 s6 k
- top: -80px;4 _0 T. P, ~2 V9 S
- left: -80px;4 w1 K% W s+ n5 X- [; \- ]$ T
- background-color: #2B222A;* y; i1 o% I. J# K
- border-radius: 5px;- P' V/ m# w# g7 u
- color: #fff;4 {1 M# Q0 s3 |! e7 B
- content: attr(data-tooltip);
. B! d( \$ C) v, z) o3 V - padding: 1rem;* f* f) z& q5 i+ }+ e
- text-transform: none;3 p* x- n" J9 ~
- -webkit-transition: all 0.5s ease;0 f u- O+ t, G
- transition: all 0.5s ease;
8 D! f0 K4 x* q, E; j4 T! k T: W7 I - width: 160px;# b3 V. e& `: V7 L' i- k9 |
- }
" q1 g! }1 d6 J$ p2 C - .tooltip-toggle::after {2 y7 b, `; o1 y3 P2 e8 B+ c' u
- position: absolute;; F$ Q" j& A8 c4 t0 s; I- c5 y3 V- I
- top: -12px;
w/ P' ]# w! J: U ]$ r - left: 9px;; W6 l/ _* K% \- J/ D
- border-left: 5px solid transparent;
" _# B" M% m( X3 v- G - border-right: 5px solid transparent;0 Z6 u m. S G( H1 [' n9 L
- border-top: 5px solid #2B222A;
# a- n: G# c' C8 m4 Z9 |; z2 A/ M - content: " ";
! e0 F' S+ C0 N% | - font-size: 0;* K p$ D4 a" H$ n4 \. l0 p
- line-height: 0;
* p0 V) @. s/ b- }% {. } - margin-left: -5px;
2 U4 v4 s: X7 s* i R. Z0 j& Q2 m - width: 0;
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- .tooltip-toggle::before, .tooltip-toggle::after {
3 A3 V5 E2 A. f - color: #efefef;0 t3 V$ m4 s5 D6 J- i1 N& Y
- font-family: monospace;/ r+ v! I0 E9 m3 x6 w8 J; H* M6 b
- font-size: 16px;6 ?$ S1 o X: D- s0 K# n
- opacity: 0;
" R) p$ ?; y; u0 g \( z1 s$ [; B - pointer-events: none;' u4 H V& x+ z9 V8 ?
- text-align: center;6 g0 ^& q3 T, p d9 i
- }7 e9 x0 i, E! a. t: G% y6 _. _
- .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {
- D+ T+ E$ d/ ]9 a# {$ f' B& I; C - opacity: 1;
% U6 ]- s7 L, M) m# }; ]- ]; g - -webkit-transition: all 0.75s ease;2 r! `' _. m' a y+ O/ O0 t" W
- transition: all 0.75s ease;( y7 m1 O, F5 i
- }
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">0 \7 J' s2 \0 H# G# M; S
- <ul class="nav-items">
" T/ n8 \* M9 P8 W) e- t8 i - <!-- Navigation -->4 H1 F, j1 E* h5 t# ^+ H2 C
- <li class="nav-item"><a href="#">Home</a></li>- `; c, ^6 \/ n8 V! w; E# b. v
- <li class="nav-item"><a href="#">About</a></li>/ U/ C( \* p" O; l1 g
- <li class="nav-item"><a href="#">Contact</a></li>
( E+ }9 P [! @1 u' G" C' q - <!-- Dropdown menu -->
& W, ]% s( F( e( U - <li class="nav-item nav-item-dropdown">- L: ]& O% N/ @4 X; V5 G
- <a class="dropdown-trigger" href="#">Settings</a>: l* j, B7 K( h s
- <ul class="dropdown-menu">
8 j1 `3 @; e7 ^1 M7 x- a0 B1 A+ o - <li class="dropdown-menu-item">
$ [: o; d" B! l$ N2 [6 F - <a href="#">Dropdown Item 1</a>
# w. T3 _* v( Z; g - </li> S2 j& @2 {7 V2 K& h
- <li class="dropdown-menu-item">
# H& u ?# ?1 y - <a href="#">Dropdown Item 2</a>
2 l0 {' @ j6 x* F - </li>1 n7 _8 |7 b8 y6 N/ A$ B0 L% q
- <li class="dropdown-menu-item">& ~& u- B5 g, f8 {% w1 m
- <a href="#">Dropdown Item 3</a>
* f* i+ y S! c; ?% q - </li>
" @6 M& ]! l0 C - </ul>: a$ ~/ ]4 f5 K1 x3 { m
- </li>
6 I0 I) m+ J/ } Z8 U - </ul>
0 ~7 T2 i9 Y- m; Q% `& C; E' p - </div>
复制代码对应的CSS代码如下: - .nav-container {6 V5 y& q# @- G0 F
- background-color: #fff;
; b4 O4 P' A1 o1 E5 y - border-radius: 4px;1 s8 s5 U. n0 i# v
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);8 G) A" T- A& Z r8 O, m- C
- padding: 1em;
( T1 }. Q O0 z" F1 @) @ - border: 1px solid #eee;8 u x) j0 b- a' c3 _' B8 C5 @
- display: block;
% @# p/ o. H7 W4 M7 ?7 i% @+ m - max-width: 400px;( J3 Q2 F0 m, d) v
- margin: 0 auto;5 k" W2 q$ U4 e! N$ Z/ o
- text-align: center;
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- list-style: none;$ o$ k9 ~# ?9 \* c$ u0 _
- -webkit-padding-start: 0;& X( [6 t2 f' D
- }5 |' H0 U' D. A+ X1 H3 g
- a {! H1 h6 j$ T5 w8 ^: o/ j4 C
- text-decoration: none;
. H6 P& n4 [0 A0 w# n7 m8 x y% \) N - color: #ED3E44;) Z2 P: A3 K2 q
- } ?+ Q& ~1 p& f) T- }
- .nav-item {: o5 s- i) I( p2 }6 k; K" ~* ^
- padding: 1em;
, X. P5 v# |8 j: r1 }, } - display: inline;% {9 [# Q# {+ ~1 ~
- }
- a! B) v2 x7 S- b - .nav-item-dropdown {
' I8 I" p/ X6 g/ ?2 w1 U4 }6 M& t: b - position: relative;
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- .nav-item-dropdown:hover > .dropdown-menu {
2 W2 E2 m7 L6 m/ g O b& c - display: block;
1 ~: ^0 d" L1 Z: k. } - opacity: 1;, V# m* ?& P0 J+ a4 n5 Q7 B# C* B
- }- J5 h" O* K5 y; Q& g1 z+ \3 S! d/ U
- .dropdown-trigger {. _6 P- O3 G& w3 \6 e0 C
- position: relative;8 _! ?# r$ z( L8 l9 _
- }
% }: ]: N7 f# A' P/ h) f - .dropdown-trigger:focus + .dropdown-menu {
! z( u+ P- T& X9 D3 Y/ v* w - display: block;
7 o- i2 U d3 l, U" P3 Q - opacity: 1;
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( N% i9 X; R: | a - .dropdown-trigger::after {# G1 d5 j! ~' f" _( F3 t5 [" D
- content: "›";
8 s* d& ?0 h9 R; X$ V6 H: I - position: absolute;
* V5 b5 K k9 d% Z' o: x% O# {% B - color: #ED3E44;# H: E3 r" ` ~: ` W4 U; z8 K
- font-size: 24px;
' g; U: K0 q& B) U: D - font-weight: bold;
! _3 O/ O; k. ?: ~ - -webkit-transform: rotate(90deg);
' \" a# N; o; @% M - transform: rotate(90deg);
% i1 A3 b" Y. F n1 v1 S7 {0 | - top: -5px;
: B5 K. J9 `5 M: g( b' j7 e - right: -15px;
& |% B% d. c/ s4 b* Z - }
, [2 X0 c' u/ o1 A1 y! B- i - .dropdown-menu {
9 L& Y) I5 \& r - background-color: #ED3E44;& P. [/ e) c" t
- display: inline-block;
9 l- t+ C z+ }1 W6 ~ { - text-align: right;
! g U2 [! @; d! c! J- |4 u+ Z V - position: absolute;3 Z4 s' U. ~& U e. b) G
- top: 2.5rem;9 p B- F+ J( x9 r8 [
- right: -10px;# }9 }0 p9 }9 h) g' N! V I% a
- display: none;
; i8 z. Y9 Z' T* a$ T! j- I - opacity: 0;9 V( D2 V) ?7 H& C) f3 v, m0 ~2 P R
- -webkit-transition: opacity 0.5s ease;
$ J* ^+ S& B5 I" q - transition: opacity 0.5s ease;
# I1 S4 J4 }7 f9 F - width: 160px;3 r+ n6 n( i' t, x, I+ ]8 j* P
- }. ]1 _0 ]2 a# k5 H
- .dropdown-menu a {
( m6 L$ t' z% I, f - color: #fff;
! c( g1 Z4 X8 u+ s' J/ i' F- I$ F - }
8 x: c: n# a; O7 } - .dropdown-menu-item {: t( o; f8 B' Q+ U `9 `' i4 L% g q
- cursor: pointer;3 \% ]4 Y' L( W5 P0 E, B+ a' u) ~
- padding: 1em;
7 t9 d4 B6 e& P6 z& y - text-align: center;) H4 ], s9 v: W/ }
- }
' j, t$ G, u2 [9 i' }# T& i - .dropdown-menu-item:hover {
- Y* k e; w, n: d6 g - background-color: #eb272d;
, ^8 W# N4 ] y' r) t - }
复制代码
2 I: c% ~# m6 M' }( s可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">5 x. E0 u$ y. `( T( a% f
- <!-- Checkbox toggle -->
4 L) [/ W9 f) [, ^9 g0 O6 ` - <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">; U u# b! W% R+ V
- <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>
6 L6 j: f p' F' M+ r8 p) \" F. W9 T - <!-- Content to toggle from www.mfbuluo.com-->2 R+ t7 F- r2 X& @# [
- <div role="toggle" class="toggle-content">
, h5 h- N6 @5 L& g. w% a0 ~ - BA-NA-NA-NA!
; ~, f. M' m- Q5 k% \; B7 j9 X - </div>- l; w7 N: g) v
- </div>
复制代码CSS代码内容如下: - .toggle {0 ]0 ~2 t' e! A( T% r$ o
- margin: 0 auto;
* u5 c/ X" B( P - max-width: 400px;
! ~) i" L3 k9 Y- r3 Y$ V - }7 w* l* X% E0 i, q7 s0 A! Q
- .toggle-label {! @2 \+ Q( N3 C2 F; Y8 `7 |+ u/ ]
- font-size: 16px;( j' M6 `- R" P- |
- background: #fff;" F) h, l5 Q; a* ~% b) J
- padding: 1em;
2 Y3 ~( X Q J# P7 k* Y, Z- O - cursor: pointer;
- _! ~4 ~, O$ b# C; i& g - display: block;
, ]; t5 Z0 y! V3 H" [) ~2 Y - margin: 0 auto 1em;6 ^# t, y: ?6 |6 u3 S6 G' V" [. @
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);1 w1 L# R2 s3 r1 `% J+ G, A q
- border-radius: 4px;
2 `1 ~9 A; ]! ^ - }
7 k4 }' s; L# P$ i - .toggle-label:after {
8 X; @, L5 n# ?# V9 ` - color: #ED3E44;
% P7 @* n. N9 F! z3 y/ f - content: "+";
. G, J- I' e, Z7 [9 `, a4 K+ o - float: right;$ x# U2 R* Y X* K, ]% l
- font-weight: bold;4 w2 {+ ^9 t0 X
- } G/ z/ R0 a, Z5 c, u
- .toggle-content {6 n; I: b8 o% W3 h
- color: #B0B3C2;" f: ~) }% ^6 A& q
- font-family: monospace;
, Y3 `" k; W& _2 h! Q) A - font-size: 16px;+ U; L0 S% @" {2 e) l) P2 @5 b
- margin-bottom: 1.5em;8 M6 D2 y" V G8 {
- padding: 1em;
; F, x+ W4 d! L0 e6 ? - }. n9 |0 J& m* A3 f, M5 h& P3 q+ E7 _
- .toggle-input {
( b. G: K! l' q% M1 R* c e - display: none;
% A0 y5 z3 d; l( B* B' p" I4 `) w$ D - }) i8 a) r- h: r: G9 Y& N
- .toggle-input:not(checked) ~ .toggle-content {
5 O$ Z8 ?6 O* [' m a7 M. Y - display: none;
! N" y2 M* c" n; d - }
& k- G# P$ Z6 l. b9 Z- s+ v - .toggle-input:checked ~ .toggle-content {+ q; Q) j# h' K) a8 A. b
- display: block;# V; v: I- A5 S
- }
6 G! E( ^# I- x* f - .toggle-input:checked ~ .toggle-label:after {
3 E" q, ]! L& P6 _' F - content: "-";
5 _' p4 p/ y5 h+ E' m' Q- q - }
复制代码
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