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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!">0 {5 q* @' a0 J# ?8 }
- Label for your tooltip
8 o T) z- t3 ?. R" Q) I) \; w" B - </span>
复制代码CSS代码: - .tooltip-toggle {
. R$ c- a( S$ h2 q( d! V! b" I5 F2 z - cursor: pointer;0 X+ z; |, f3 x- [: N [- d% m: g4 V
- position: relative;4 z) u8 c8 }1 B7 W
- }2 _4 ~! Q" Y8 f/ Z/ }# e
- .tooltip-toggle svg {
2 \) v4 X% Y6 K - height: 18px;$ J }' F/ |+ K
- width: 18px;
8 O! T4 l K9 ? - padding-right: 0.5rem;$ i5 R9 ^2 ?: Y3 T
- }: U9 _. C) g! Y( O# }
- .tooltip-toggle::before {6 Q3 F8 s6 U, b1 j \0 O1 x$ ~0 O% p
- position: absolute;; A0 n! ^* a1 p: p
- top: -80px;
* f5 X0 J2 C2 Y( C- ` W/ k& l - left: -80px;
* P" j% F, Z5 Y - background-color: #2B222A;, K3 ]8 }0 D, B" c6 h1 P
- border-radius: 5px;
/ i, \$ L7 w" X7 _ - color: #fff;1 ?9 U: s' y% ?9 r" m2 G
- content: attr(data-tooltip);4 H4 i8 a' {' Y ?
- padding: 1rem;$ g c- N0 P1 @
- text-transform: none;
! [, D/ x7 ]1 z z6 |5 j# I - -webkit-transition: all 0.5s ease;
1 f/ G" Q0 a; m2 a, `6 [$ Y' J( I; b - transition: all 0.5s ease;
. q1 c! r; q3 B6 D0 e( O - width: 160px;1 [$ D* v4 {" }( |
- }5 p6 J) v* W0 f
- .tooltip-toggle::after {! X0 e4 Y* H x+ o1 G1 H
- position: absolute;6 M! P0 u6 w. x4 i2 x w( K
- top: -12px;# t" c" k9 c! L" E( {
- left: 9px;" k! t, M% W. f" X2 K. s
- border-left: 5px solid transparent;: O; A4 L0 T% L
- border-right: 5px solid transparent;
# w5 i, C& s$ D' P. i- o2 R - border-top: 5px solid #2B222A;+ s2 k7 i" y4 r8 [7 p
- content: " ";3 d7 [$ {& R" O: U! p
- font-size: 0;
6 Z6 K2 _* j. {) K - line-height: 0;
( X1 Z" y! z) S! f& n - margin-left: -5px;; P8 |; l5 x& T
- width: 0;
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) N0 `! ?# x: r1 C, C! J - .tooltip-toggle::before, .tooltip-toggle::after {
, H; h0 f9 g( q! O* q, u) q4 ]6 x0 b - color: #efefef;! x; U- k8 k' p' k7 ?. t
- font-family: monospace;
5 p3 q, l1 g# \ - font-size: 16px;
: k, G+ j7 @/ Y. B+ R0 ]; I - opacity: 0;
$ u' P' ^' g5 \, w# }7 M. M, o9 M7 V - pointer-events: none;
9 d9 J& \$ d, r9 o* B - text-align: center;
6 U7 K5 v; {- g - }
4 H0 ]! h1 W1 r2 _ - .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {
0 E2 _4 b; r& u- r- c - opacity: 1;
7 R1 w& W- m; D2 O - -webkit-transition: all 0.75s ease;" J9 `" ~* Y0 v1 [% ^% O
- transition: all 0.75s ease;* L' {$ w+ d+ u+ Q$ j. f: l
- }
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">1 E z4 F3 ^- M0 j7 @% J/ s
- <ul class="nav-items">
$ R3 _/ m8 r( Q4 x F$ @/ q - <!-- Navigation -->
# \+ n% [- S3 A- _2 u: V& i0 ~ - <li class="nav-item"><a href="#">Home</a></li>
, ^: V. y7 i& P# c6 \; N7 h - <li class="nav-item"><a href="#">About</a></li>
3 m6 r7 O" t* V# E3 W3 c - <li class="nav-item"><a href="#">Contact</a></li>
6 a8 u3 X b! T - <!-- Dropdown menu -->
1 Y" U# v# Q7 M& E+ g5 `/ S- C. \ - <li class="nav-item nav-item-dropdown">% A! h X# r7 G& y6 r7 Z
- <a class="dropdown-trigger" href="#">Settings</a>
& u4 F% H* D4 A. E' }+ [1 u, U - <ul class="dropdown-menu">$ H- K; W( p* ^3 l6 `4 S; P- ^
- <li class="dropdown-menu-item">
; m1 L p8 h2 U$ {- D+ i; G - <a href="#">Dropdown Item 1</a>, G# @* d; T9 l1 T1 B
- </li>, Y# ^* t1 V0 A* [. M8 l
- <li class="dropdown-menu-item">
3 J7 q) ^+ \/ K7 V) y* l& X - <a href="#">Dropdown Item 2</a>9 G) Y A) n$ a7 r" ^
- </li># m& d. w( m: A- s l8 ?9 C
- <li class="dropdown-menu-item">- ], t& X- @9 C" M+ [6 V
- <a href="#">Dropdown Item 3</a>
0 m8 ]! |' w6 K7 W - </li>9 r- s! {1 Q0 Y- W6 W! a0 V. e
- </ul>9 M# ~7 }$ z W% d* f5 a5 z# ~
- </li>
" ~5 e6 z0 P3 u3 N; P$ B - </ul>8 i7 H, D( \1 M
- </div>
复制代码对应的CSS代码如下: - .nav-container {; N' X. K& ]% C2 B4 Q( h7 R
- background-color: #fff;' y" F0 @! Q( O: P Q- F: g
- border-radius: 4px;
- l: O% \9 W- }7 h - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
1 [* x$ \2 r, Z# W7 j0 C$ p - padding: 1em;2 O$ ~7 _- {7 n% ^$ H# |
- border: 1px solid #eee;
9 k9 G3 H7 v1 W8 s, z+ g - display: block;) G( h; I, W5 s3 `! n
- max-width: 400px;
7 ^- x+ d) E" y8 c$ q' y2 n/ S - margin: 0 auto;" Y0 l! K* X" O5 x
- text-align: center;2 q0 p. X0 L7 X0 p* X
- }
' `7 A X2 S6 x# j% ^# o - ul,
; ~8 A8 _( p4 @ |3 r0 F% k, _ - li {
- l$ W, E) a! \' j4 u4 N - list-style: none;2 K# H6 b! q6 H6 c$ ]
- -webkit-padding-start: 0;+ z; X; o' D$ f& ]# _
- }
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- text-decoration: none;( w8 l" V) [4 X# f
- color: #ED3E44;
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9 A- ?% P* H7 X+ E, t - .nav-item {* o: L9 B, s& `! o4 h; f5 H
- padding: 1em;
! `1 \( o* R& C ~& u/ v; ~5 l - display: inline;
! @. z7 o8 \ u - }
! X% k }& `/ [# K3 J - .nav-item-dropdown {8 ?4 L3 W. k) }1 F7 _$ o0 V
- position: relative;# _# ~/ M0 P; k8 K$ w; C2 O
- }! X* ^" ]5 W! s" |% \) s
- .nav-item-dropdown:hover > .dropdown-menu {
3 i) J5 R M8 R& { - display: block;* j- w! J- x, y' }, ~
- opacity: 1;* J: p+ W% T' d9 k7 N; S
- }
( G# |3 R* h+ ^1 H - .dropdown-trigger {! w+ q: z0 n& @! B9 [% {; h1 i
- position: relative;
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- .dropdown-trigger:focus + .dropdown-menu {
. e9 o9 ^$ G& h6 w - display: block;
+ O2 p7 y3 F! t/ ]; s' t+ U* O6 G6 ] - opacity: 1;
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- .dropdown-trigger::after {
R" G: Z5 H) \3 v$ w+ B% s - content: "›";
8 Q/ p7 f: u$ A8 O - position: absolute;$ V: n& Q3 I" p* Y
- color: #ED3E44;
t1 I" {! T7 K- k1 A | - font-size: 24px;: B* ]' p7 z( L5 q# E( Q
- font-weight: bold;: N& N9 R, G+ k0 R: H3 L( A; d) }
- -webkit-transform: rotate(90deg);8 `+ L- F+ W: @' I+ J# a
- transform: rotate(90deg);
! c" D/ w. @3 o+ H* v - top: -5px;1 {" `. G% [: j/ G
- right: -15px;
( w: u; ?; p$ g8 a( j - }
3 T6 T* Y, b) w: K - .dropdown-menu {
I+ L) ]1 m7 S' H9 l' s - background-color: #ED3E44;5 [" X H/ n, U, h3 T, o9 n
- display: inline-block;, \/ `, u9 S, X+ T" E; H2 B
- text-align: right;
% n; I4 U& i8 n - position: absolute;
' I! x& x* y' H9 c+ d4 y# w& m - top: 2.5rem;3 b% p' w7 N$ T1 Z3 i3 f, Z
- right: -10px;
; i$ H4 C; O% I8 Y- g5 K0 I - display: none;; Z/ o9 m! A/ o# K2 ^
- opacity: 0;
) G8 r7 H* P |* Q2 J( l) G2 A3 Y - -webkit-transition: opacity 0.5s ease;
# q. ?/ b. T) s0 E - transition: opacity 0.5s ease;
% k/ i2 h; R9 c; S: g& a: l& R - width: 160px;
1 a, A6 L/ ?0 z% |. b& I# u1 B - }; @; a }& m* D; t
- .dropdown-menu a {5 T; S7 w' |. N/ L) F
- color: #fff;
: ~1 z2 N; @3 l" I/ e0 t - }
3 ^4 G; h$ [4 d - .dropdown-menu-item {
4 C4 B o7 Q% {" E! p- p" j6 t - cursor: pointer;
+ {0 v. [% o& p - padding: 1em;
1 T. @4 i, O1 D- u9 K# q2 [1 T - text-align: center;9 i9 F& V+ H- v3 L( o9 J9 g, r9 v
- }1 @8 d, E! D5 c& T8 F6 b
- .dropdown-menu-item:hover {
) o4 L6 T1 A5 Z2 M - background-color: #eb272d;
3 d3 W, C3 p; s# Q - }
复制代码 1 a3 O W! c0 K3 y: z
可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">
& E) j, [2 k% W1 `$ n: V - <!-- Checkbox toggle -->
b* R* V2 v/ ?7 y3 U$ g - <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">4 ?+ A% R& z8 L) j0 y% a. ^
- <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>1 M; k s1 ]' f+ Y& E, m
- <!-- Content to toggle from www.mfbuluo.com-->
. v9 a# J, x: P8 x' E - <div role="toggle" class="toggle-content">4 }5 V7 x. l9 A6 \7 y0 T; ~
- BA-NA-NA-NA!+ u* b+ Y1 G) [! l5 [, r5 d
- </div>
: p9 b0 w3 w) S$ Z! |& ~5 W4 l8 V - </div>
复制代码CSS代码内容如下: - .toggle {, S* J2 D3 W# L6 K' x2 I
- margin: 0 auto;
' @; d- A+ Y; x - max-width: 400px;0 {$ u8 K; I9 ~; I# k# O
- }; ?" ^% W6 {2 k Q* z. F
- .toggle-label {% c! G3 i$ ?6 w, c! E1 k$ w, O0 U8 C$ w
- font-size: 16px;
2 s( o: x2 y8 q* ^) `1 O - background: #fff;( {9 L j$ \* D r$ S( D
- padding: 1em;* _$ u6 |3 Q3 l) z
- cursor: pointer;
N- i1 \$ a& }6 k+ A( z) M - display: block;) B& z+ o. R. {* s& `) y: Z
- margin: 0 auto 1em;& v5 @! C" _8 S- Z) ~2 R
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);4 @3 r. E/ m4 m, o+ s5 n* P
- border-radius: 4px;
( ?# f1 h2 I: O1 c0 f& ^+ d - }
" S `( g; @7 S A4 l; x. C- I - .toggle-label:after {2 y3 ?6 m) g5 U! A9 H7 M m$ F4 a
- color: #ED3E44;
3 X7 Q# y: \; u. S2 M - content: "+";8 `5 w3 H9 x% M7 }2 W' a! [
- float: right;; \/ ]8 ~0 h/ M4 {$ g
- font-weight: bold;
# X! r; i& u, ~% D9 V! M; Z - }) _+ u9 s2 v' G# y4 [
- .toggle-content {
+ @" _8 Z+ T6 {/ e2 K% R2 {2 E6 ` - color: #B0B3C2;7 a5 K% m+ T. a5 I
- font-family: monospace;4 u% E6 v- F# E
- font-size: 16px;& E+ e% t/ `6 h! v _* T
- margin-bottom: 1.5em;
2 H7 J% g& s& [9 W3 i" N) [1 v - padding: 1em;; o9 i7 a+ \6 {- |
- }% f8 Z$ H, L6 R! u. u
- .toggle-input {
& D! n$ c: f; \/ _1 L, t- \+ c - display: none;
. U0 c3 f7 B, {, Z% J- P" P - }
; c/ |) K- L1 w- |, u, I2 j - .toggle-input:not(checked) ~ .toggle-content {/ ~6 v/ T. l# g
- display: none;
7 F! Q3 b J6 G - }
Q& h5 O& |% e2 ~0 w z9 I+ U! G - .toggle-input:checked ~ .toggle-content {
6 e4 d- h9 J) _# R$ i - display: block;/ @/ M" f, X0 Z5 }8 _
- }. q6 A6 \/ s1 @
- .toggle-input:checked ~ .toggle-label:after { Y, s# N" M5 D! q/ s# d
- content: "-";1 Q+ h; _% M! k4 g) N I, z$ ^
- }
复制代码
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