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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!">: B, M# i* v P1 P0 g. \. z
- Label for your tooltip* ^$ `9 {' |8 X
- </span>
复制代码CSS代码: - .tooltip-toggle {
: g* E2 w: T+ A0 I8 F0 E - cursor: pointer;, e0 [3 ~2 i. Y; F# l. p$ l
- position: relative;
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- .tooltip-toggle svg {' j$ a5 ~8 x: t: P- _' r
- height: 18px;
6 [ N. H, n! n D# o. E* C - width: 18px;
, x/ ?% Q- W9 Z* g - padding-right: 0.5rem;( C5 K' G9 ]4 N+ e2 o; Y; q2 v6 _
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- .tooltip-toggle::before {
- I4 |/ H2 ]+ G! U - position: absolute;
, x1 O# n6 f) y& ^ - top: -80px;; @: x# F( V" w: Z
- left: -80px;
/ X' f, `- e" d8 v6 d( i, y - background-color: #2B222A;+ q. R$ S9 ^& h) C7 n C7 P0 T
- border-radius: 5px;
# u4 @: ~8 k; E# \ - color: #fff;& Y' X9 n: F/ }* p
- content: attr(data-tooltip);4 z- Y$ f; g# H5 t- h, t- {
- padding: 1rem;& Q3 r L) r, t$ ^' r u
- text-transform: none;' j2 k5 i( D- v" u1 x" x" E
- -webkit-transition: all 0.5s ease;
* \- b2 B8 }7 N% N6 D- z( c - transition: all 0.5s ease;
0 g3 U5 T2 Y. t% ^ w/ H) G0 N - width: 160px;
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: E1 H. F* s+ W* R" _ - .tooltip-toggle::after {
' e) U: o4 c3 O5 k - position: absolute;
4 G: \0 X) y2 L# J! ] - top: -12px;' H# v: p, n Z( w+ K
- left: 9px;
}, M% Q) p6 f - border-left: 5px solid transparent;
( j& p2 W2 |: b/ Z: |; O - border-right: 5px solid transparent;5 x, s5 V1 \1 c% ~: L
- border-top: 5px solid #2B222A;
# }! g5 O+ i N% C# H! a( y - content: " ";
( n4 H' I/ i* H - font-size: 0;7 a% A% X0 {5 A! s, u4 E
- line-height: 0;. Q7 T0 f0 N: l% ?
- margin-left: -5px;
7 D! |/ L0 e: v( H - width: 0;( {) E- }. g; V V: k7 Z
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- .tooltip-toggle::before, .tooltip-toggle::after {
( h3 } J9 Z) [ - color: #efefef;
4 G# i1 |* m0 Q( x; d" M% ~; k& u - font-family: monospace;; H4 ~4 j2 x1 v/ F
- font-size: 16px;5 M& ~) ~3 s7 k0 A5 a+ V7 Z! L
- opacity: 0;
$ f$ D6 _2 D* x# H. h+ u; G - pointer-events: none;, F! r T# J+ q4 t+ r$ X2 r
- text-align: center;6 l+ U' D8 _, m. T4 i6 g2 O, u
- }, D9 f2 l$ W2 W2 V2 U' n* x
- .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {
" ~) W' x" q* n. P - opacity: 1;
6 K# C- [1 B- ~3 t# j! f. |. X - -webkit-transition: all 0.75s ease;
N1 F- w9 ^2 o5 x/ d - transition: all 0.75s ease;) F: Z# z! J# |. }& x5 |) R" b6 `
- }
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">
/ A; Y: i- \) W" f - <ul class="nav-items">" F0 o; T2 V) b% n7 m( H
- <!-- Navigation -->
% w3 K5 H- G2 j) b: Y - <li class="nav-item"><a href="#">Home</a></li>
R1 Y- Q: [3 y% n3 v - <li class="nav-item"><a href="#">About</a></li>
" k8 E4 G8 t$ T0 x9 T/ d& L5 e - <li class="nav-item"><a href="#">Contact</a></li>
1 @% ^& m! g) w% E/ o8 Y - <!-- Dropdown menu -->: ?7 e9 m; w0 r
- <li class="nav-item nav-item-dropdown">
8 G: ~( ~- }, o* ~- V' K% A) z - <a class="dropdown-trigger" href="#">Settings</a>
/ [* k+ k, |4 `% c0 n3 c% [ - <ul class="dropdown-menu">$ ?: U9 ~/ K( e# A7 S9 a" _
- <li class="dropdown-menu-item">
% o) |* K1 q+ n2 ^ - <a href="#">Dropdown Item 1</a>
! ?! K5 p( r8 z/ ^: h - </li>
$ ?% d- S0 W9 N: `. a - <li class="dropdown-menu-item">
. w: n7 @: @# E# }, Z5 ? - <a href="#">Dropdown Item 2</a>2 f" @; i' N, C/ A a1 p
- </li>0 u% P9 G5 F6 {# R/ [) K
- <li class="dropdown-menu-item">
6 |4 K; k, u1 `3 i2 v - <a href="#">Dropdown Item 3</a># t2 X' K) p2 [
- </li>
0 U: r5 d8 q4 R* C - </ul>
, `1 q' N8 f2 R" @' l, }$ D* I. k4 s% q - </li>
! a2 E* J6 n- I' R7 S) r4 l6 p - </ul>& Y7 F1 w$ d1 X& U, {% W) e/ ^! M* r
- </div>
复制代码对应的CSS代码如下: - .nav-container { a' u R3 c/ u3 u, F( W% ]
- background-color: #fff;/ m p- ?6 M( B& u& _$ ?, T
- border-radius: 4px;
! Y' b" D! Y' r* |8 J - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
1 d$ v$ m! ~5 M/ O; i; }: W/ v - padding: 1em;
) i; s3 j: l' K5 R$ }- w" {1 p - border: 1px solid #eee;1 ?! p" E5 K. O% v
- display: block;
. O3 T. M$ I! g$ e7 U; b0 q' E - max-width: 400px;! U% g* `% W- r% q t. S
- margin: 0 auto;, P! b# y( _% k- z. x6 @; \6 H, Y
- text-align: center;
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- ul,
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- list-style: none;2 ]0 v9 z" ^! |; b4 w: }
- -webkit-padding-start: 0;
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- a {
& n6 Y S7 P9 S% g: ]! N - text-decoration: none;( W0 v. F# p3 W9 y U+ @5 ?/ _
- color: #ED3E44;
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( Z4 z f+ r- B - .nav-item {
7 h1 ]1 \) }) g! z+ x# g6 D' r - padding: 1em;
9 f. l! f4 E5 ?) D, K' j - display: inline;
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- .nav-item-dropdown { I. g7 t$ g/ T9 T& d
- position: relative;; `* p2 Y' r$ | O5 J# l7 ?
- }- x. s" J! L3 j
- .nav-item-dropdown:hover > .dropdown-menu {0 g1 }; w# Z9 B3 k, {1 c# t- D
- display: block;% B4 i. w+ i; U7 v/ r
- opacity: 1;
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) I% Y/ M9 _" I3 N0 ] - .dropdown-trigger {
6 H. T( b6 g: u& K7 W3 p - position: relative;
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- .dropdown-trigger:focus + .dropdown-menu {# `9 K- t% s7 n( P
- display: block;6 z4 k% y' c5 A6 J
- opacity: 1;
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- .dropdown-trigger::after {1 q9 ? F* Z- V) `% N. Q
- content: "›";4 Y2 S& ` U" o0 f. y/ _- E
- position: absolute;
- X7 L/ S9 m' }8 k - color: #ED3E44;
. A. k, f/ y0 g" a) N+ Z% t - font-size: 24px;
3 C( r, L4 L5 ]- H" H. Q - font-weight: bold;
8 l( V+ W. f4 @% R - -webkit-transform: rotate(90deg);' k! v( }7 v7 ]- O" J: d
- transform: rotate(90deg);
. @; w0 G# c' D - top: -5px;
" ^% a) h. L7 S5 V2 o* n - right: -15px;
: f: A2 C7 [4 c( b! b - }
9 t6 b z2 p" W. D# U- h2 \7 v4 E - .dropdown-menu {2 @0 F' d8 O% I! w
- background-color: #ED3E44;
9 Y8 o3 ?! N5 P) I - display: inline-block;
4 _$ _$ n# {9 n - text-align: right;+ {) C! f# U3 Q8 {" p4 t0 r4 E
- position: absolute;: j" x0 p3 T- H; O+ o
- top: 2.5rem;" Y' ]. O- r: ~; a! P6 J( p% q
- right: -10px;
) D7 t2 L9 \/ W7 n; e - display: none;
6 o- l* V5 K5 l: J' Q. n- H - opacity: 0;
. A3 j6 F% f g, Z3 Y - -webkit-transition: opacity 0.5s ease;( l& W. {0 P- g* J) [$ \
- transition: opacity 0.5s ease;
4 }) b0 Z2 p5 n" b( L - width: 160px;' N3 O" b4 A6 K' D7 h+ M
- }- H3 @ o, D0 T# M: r- Z
- .dropdown-menu a {3 C, b# k6 }9 z! O
- color: #fff;0 b9 y! a9 F \9 E. T* L2 V
- }
6 [2 M9 D- [8 k; _ - .dropdown-menu-item {
4 S* }) v# ]& S" q! i! U* W- f - cursor: pointer;! B6 L2 Y) `5 C. P
- padding: 1em;
) E& @5 v) ^+ i6 a3 ]4 R - text-align: center;, O$ M0 \/ z) m. F3 k
- }
5 M+ w* O- D' Q+ }/ t - .dropdown-menu-item:hover {( F% ^8 z" j! T( v- A9 q
- background-color: #eb272d;
+ {7 J1 S c1 e - }
复制代码 3 a' ~5 c ~# \5 @9 S7 F, J* y- ^
可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">' _' _( b: }. F/ s7 c1 S
- <!-- Checkbox toggle -->' m$ H6 L" ^6 a+ y/ Q. ? F
- <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">- Y1 A: E% j# e, H' l* f* N5 V
- <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>- O. }4 r1 ~+ j9 V! Q/ }
- <!-- Content to toggle from www.mfbuluo.com-->
9 h, v2 I& V! y$ R8 O4 Y: i - <div role="toggle" class="toggle-content">
7 N" T& ]8 N; z- f - BA-NA-NA-NA!
) M& D8 V3 |3 m) f$ Y - </div>. R8 Y' |* e4 @- U/ C
- </div>
复制代码CSS代码内容如下: - .toggle {! U9 b/ e1 u( b7 O2 U* d# @4 p
- margin: 0 auto;
' N& H6 \! ^2 H% W6 i - max-width: 400px;
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- .toggle-label {
9 I5 I f" x* n6 X - font-size: 16px;
_1 L# Q. b- c, S2 \- M3 _ - background: #fff;. J9 p( r4 a3 K# O
- padding: 1em;% ?/ P! @) n' {; |; g
- cursor: pointer; S( u. R. T& k, G* D1 ~9 J- o) B% U$ A
- display: block;2 e: _9 Y, Q1 N7 Y A. b
- margin: 0 auto 1em;
/ U' F6 _# d9 N6 X6 @- s/ B$ T - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);0 K, S: A8 }* P
- border-radius: 4px;# V" }9 J2 N. {# ?
- }
5 ?! P0 T5 |$ y! o; } - .toggle-label:after {' ?! Y( r( ~0 R) Y9 H) e/ A9 w
- color: #ED3E44;7 E' U. g, N8 [1 R* }. M
- content: "+";7 U6 w, [, F: c8 _+ e$ L; H
- float: right;8 A+ E$ L! |0 k0 a$ T
- font-weight: bold;
8 t: C1 V/ t) y" m - }
! M: ?* e3 N" R7 u, Z1 B3 k, D) k - .toggle-content {
5 X! u& y& w# t! y o8 G - color: #B0B3C2;
, E) m/ O1 [7 D$ o% w5 H, R1 T - font-family: monospace;
- Q$ S; Q) C" o, s/ C - font-size: 16px;+ x9 f) ?8 f! Y8 R' q8 g8 G( V( C/ j+ M1 ?
- margin-bottom: 1.5em;
( A/ T# d1 m( X5 b! H6 l - padding: 1em;
) m* u% }9 P) t - }
) p. r& }5 Z! T# k8 X - .toggle-input {+ n6 }9 A+ {/ D5 S
- display: none; R8 U; O* i9 |3 Y
- }
2 l4 `) K1 p* i `4 j B M- R% u - .toggle-input:not(checked) ~ .toggle-content {
1 m+ G p6 u. E& ` - display: none;6 H: h1 I1 O; \" N
- }: O, n3 l1 C' e, b) r
- .toggle-input:checked ~ .toggle-content {, \0 K/ h- N# }" {, @
- display: block;
$ u( [ p1 f8 w$ {0 a2 q/ O - }* H6 K4 u# \6 B) p
- .toggle-input:checked ~ .toggle-label:after {
- U: e, r$ {- j* J! E' f - content: "-";
, \9 X9 x) ^' y - }
复制代码
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