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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!"># {% m6 b) l! N
- Label for your tooltip: g( `: W0 T* M2 x0 n% p, p
- </span>
复制代码CSS代码: - .tooltip-toggle {6 D+ f* ]8 i' Y9 _+ w# ]
- cursor: pointer;- v4 i; y+ ]/ I* J; l P
- position: relative;
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2 m( \, v2 [* D. r* o8 ]8 M - .tooltip-toggle svg {
: d* ~$ C) q5 |& H! l$ { - height: 18px;7 J& `- s( V1 L0 T
- width: 18px;
4 ~! V1 @) V8 o! W- _3 z' r: g3 p - padding-right: 0.5rem;: T# J! u; K' {. V8 M
- }
$ V/ f, s2 A% v2 z# t - .tooltip-toggle::before {7 r/ z; W/ f$ [6 H- j
- position: absolute;
) ] S, g5 x" I$ p - top: -80px;, N0 x# _* }' P3 z; |% K7 r+ o2 a
- left: -80px;' Z% R+ S( D5 z3 D+ z
- background-color: #2B222A;* H8 n) y. w5 ]2 p* O. w' |/ B8 C
- border-radius: 5px; i. u0 ?! r( u/ n
- color: #fff;7 r- a% e# a2 ^# [: K" p9 v
- content: attr(data-tooltip);
2 _. p3 D. v5 l8 K$ B9 _( i - padding: 1rem;
/ v% S, h$ u2 c# A: v" W6 m/ S% M/ ? - text-transform: none; x1 j: \) j% F3 t- s
- -webkit-transition: all 0.5s ease;
; B: e1 n/ g( _+ t/ v: {3 m - transition: all 0.5s ease;
+ `* U# `# s/ J8 z - width: 160px;
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& e. a* m: F/ m1 W3 Q7 Z/ y - .tooltip-toggle::after {
# t0 J) [8 ~5 w - position: absolute;
& D( H* c3 z$ n( {/ v( O - top: -12px;
9 e- Q/ @% p/ _" `" ?3 ~' ~ - left: 9px;* e4 N- }& r+ R+ J6 Y. }
- border-left: 5px solid transparent;
/ F: A4 z4 U" \: U8 [ - border-right: 5px solid transparent;
8 T6 J4 [& S d' P: y - border-top: 5px solid #2B222A;
; V+ W3 G _. M' `' b2 f - content: " ";' s0 K. Z4 M. z7 I
- font-size: 0;7 a: Y6 N6 i3 T0 `9 i4 o: B: p- L: z
- line-height: 0; X& d( ]# T7 P/ k: Y
- margin-left: -5px;
. @0 w; A1 K7 R$ Z- ?5 G - width: 0;
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- .tooltip-toggle::before, .tooltip-toggle::after {% ]( T h. G; K# v( z
- color: #efefef;
# i5 o, n9 D. X* z2 X - font-family: monospace;
0 r. `0 j/ l- S0 R1 |) ^ - font-size: 16px;
7 s4 h( I* H: b - opacity: 0;2 P) s# `9 I- P$ q; ]
- pointer-events: none;' U7 |$ ]" i/ V3 P# A
- text-align: center;. ^" z; `( |) s i
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- .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {' m8 H3 W6 u) p' B
- opacity: 1;
5 x6 I% ^9 V* ?, T6 b, A - -webkit-transition: all 0.75s ease;4 P+ Z. ^6 C# k" _
- transition: all 0.75s ease;, K- I9 |" i* Z9 X: B- S
- }
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">
9 v9 F$ x/ C8 [/ F# y1 t' d4 T - <ul class="nav-items">
) L, X) R! t6 b5 P; O) y - <!-- Navigation -->
" {& a' r9 F# q$ p9 H/ B - <li class="nav-item"><a href="#">Home</a></li>* W3 [# n2 P+ ]3 G& w& X
- <li class="nav-item"><a href="#">About</a></li>6 n/ r. E& f1 A1 V- T: L; o
- <li class="nav-item"><a href="#">Contact</a></li>2 q. `2 M7 E$ O: o/ t
- <!-- Dropdown menu -->
' R. K4 p) z4 W. h - <li class="nav-item nav-item-dropdown">
7 K. l% H% y* f3 O0 v" Q - <a class="dropdown-trigger" href="#">Settings</a>0 ], T/ M+ @, F# g+ S4 d# X/ a
- <ul class="dropdown-menu">
/ N/ F$ T m" S' U - <li class="dropdown-menu-item">
9 I; g; C! U0 v. Z, z - <a href="#">Dropdown Item 1</a>$ |0 |2 s5 D9 h6 k1 A
- </li>
) Q) m1 y ?) |3 j( G' q! V8 r$ z - <li class="dropdown-menu-item">
5 _1 @& Z5 `( W6 q" e6 T# y - <a href="#">Dropdown Item 2</a>8 {/ {- j$ ^2 s. _. \
- </li>* c/ g; T+ J" p- U/ L/ U, C$ G
- <li class="dropdown-menu-item">
) F P1 z8 h: U0 W E) f9 O - <a href="#">Dropdown Item 3</a>* U; o6 ?% ?6 v | Q
- </li>* F( ^8 L& b+ n2 C
- </ul>
1 T/ J( U: c- N. F - </li>8 s) b% o9 v3 ?8 m: X/ D$ A1 x0 H
- </ul>- X8 }" D( I) s0 d2 V% Y4 y2 ? H
- </div>
复制代码对应的CSS代码如下: - .nav-container {3 L* Y3 T7 @! x4 V
- background-color: #fff;' P$ {: L+ X6 @* F7 {
- border-radius: 4px;
9 a3 \& k. o5 f1 e2 Q" m$ Q - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
2 S$ m: U( {, y) v1 q) i8 Y - padding: 1em;0 {' t q4 s2 \
- border: 1px solid #eee;
2 Z1 d/ A7 ^' G- I$ q - display: block;
! R& t6 {0 ~5 [9 O! E8 f - max-width: 400px;8 X2 Q" ]$ m" c1 P: w2 Y8 h L
- margin: 0 auto;! _+ G. p0 n" z* E& r# u- F
- text-align: center;
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- ul,# ?0 u" _7 i* L& B) c4 y7 h
- li {
4 x, Z4 W' ] m% v6 f% y# V! Y - list-style: none;
2 T( M/ v1 ?* Z$ z. Z) W4 W - -webkit-padding-start: 0;/ k" r F* b3 X" p
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- a {
$ R6 m. m1 p0 c) X/ N& `0 C - text-decoration: none;
; f) R' Q8 Z; O4 r: H6 G9 U1 e4 Y - color: #ED3E44; Q" f) h8 W# x' h) K5 ], ~
- }
, W2 ~1 F, G' m$ s! U: h - .nav-item {
( R. u+ E6 e* B( x# t* c2 b - padding: 1em;& x: i' ?' s& I+ R7 F& M
- display: inline;2 O* Q* u' p. U1 Z+ u, V% l
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- .nav-item-dropdown {8 A5 S) X6 N' V$ y( v7 x
- position: relative; O& o9 x1 v! b% e6 @- s
- }
* ]4 b+ ?& r! ~0 }& [ - .nav-item-dropdown:hover > .dropdown-menu {
0 c% c) ?6 r2 ]: r3 R - display: block;
9 b( V, @2 S! P - opacity: 1;9 M; \3 P; Q$ D( k2 }
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- .dropdown-trigger {
5 G/ }% t5 S' D @2 O6 \7 p - position: relative;3 j2 {: j( d: s8 b) p
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- .dropdown-trigger:focus + .dropdown-menu {$ W3 Q6 y1 g* r* [6 y ~2 m S
- display: block;# a5 t+ N; _' x6 K; e
- opacity: 1;
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4 ]' M3 P* p: p - .dropdown-trigger::after {: N2 {/ ~4 ?4 \" J4 V/ U9 e
- content: "›";5 B3 @- I& o h+ }$ t/ ^
- position: absolute;
+ K: U: z( k4 E Z$ N% h- u - color: #ED3E44;1 K' ?" Y' P+ w! z
- font-size: 24px;2 U1 G. ~# n9 h6 k
- font-weight: bold;
( s; F4 T' W& C - -webkit-transform: rotate(90deg);
/ E# t% q( r3 ^) x: v2 E - transform: rotate(90deg);' D% w3 L, e. [ a O
- top: -5px;+ ?/ J+ S$ }+ \$ n2 U' N9 T
- right: -15px;
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- .dropdown-menu {
' ~) }( U; {- _( h - background-color: #ED3E44;
: }: N8 w3 G% R6 z Y' ~ - display: inline-block;
o8 s) G9 W/ H: t. ]: X T1 D - text-align: right;1 Z8 _! {/ v, ` i6 Q
- position: absolute;& C$ C* _' Y6 J# W y$ _
- top: 2.5rem;
$ q' w4 H5 S; X! W& c' | [8 C - right: -10px;9 S! M1 G5 _4 j2 A- k% E e$ _
- display: none;. i9 M( i5 f4 j( w9 G' B# ~8 o
- opacity: 0;' ^" y, B" ~. H
- -webkit-transition: opacity 0.5s ease;7 X H7 w! | [' X0 \" t
- transition: opacity 0.5s ease;
8 i/ ]* E% G, o3 v6 b3 W - width: 160px;
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- .dropdown-menu a {
& V5 T1 P8 H6 }! F# n. G) \ - color: #fff;
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- .dropdown-menu-item {3 B6 V& j9 w9 W# G/ [$ c
- cursor: pointer; {! w8 e1 K3 k$ I# E0 y& y
- padding: 1em;
/ j0 E2 L$ g5 h, ^7 ~% o. Y2 Z! T - text-align: center;
7 V/ p- d( @) p/ {) x y7 o - }0 e% N D. B( t! ~
- .dropdown-menu-item:hover {8 r5 }+ z0 e9 \6 I( T, m" |9 S
- background-color: #eb272d;
( Q; A; z- W1 r - }
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可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">2 N! h- x% K4 {& b4 K7 C
- <!-- Checkbox toggle -->
@' L. a2 y k4 e0 K - <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">
6 ?4 o6 ~5 }; M; E - <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>" m8 }+ |0 z. U
- <!-- Content to toggle from www.mfbuluo.com-->
7 b7 T- T+ f" x' @$ S) W1 [" i5 ` - <div role="toggle" class="toggle-content">7 v5 a# ~3 V1 A& H" C8 r' ^
- BA-NA-NA-NA!2 s! g7 ]. ^7 o- G1 I$ p1 @
- </div>
0 e0 m9 z4 c; ~% u5 A5 n5 \ - </div>
复制代码CSS代码内容如下: - .toggle {3 ~( o! A( K& E6 R& t& q
- margin: 0 auto;
7 h5 U* w8 x7 ^7 Z. I5 [% b - max-width: 400px;3 V) h0 ~8 V4 \: A( R: j+ I8 h+ W
- }# b F; P z9 p
- .toggle-label {
: _8 K2 F6 N, s: A' a7 { - font-size: 16px;
$ F: ^1 s4 n+ P$ k - background: #fff;: V9 W8 `" k8 G/ i& l8 R7 Q
- padding: 1em;
; C$ h+ t7 V6 ?+ [3 h - cursor: pointer;
3 P' l) G" P( }' D9 }; x - display: block;" X9 k/ o$ }5 r
- margin: 0 auto 1em;
4 T* s5 u, }$ z# r3 `$ R7 _ - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
O2 _* c) F/ A/ ]3 I9 {( e - border-radius: 4px;
2 a& E( t% x' }, M1 |( m) w7 e - }/ p5 N( G& j9 N
- .toggle-label:after {
/ N( O |: b/ h8 f( b - color: #ED3E44;; G% Q' X9 g" c9 g+ p1 F
- content: "+";
! S0 W; ]6 \- {0 H. x1 W$ { - float: right;
6 C( U0 J! f' g& B Z. l, _ - font-weight: bold;% v Y6 r+ d7 ~ a, n& o6 W K7 ?
- }
* q1 g: U# _) f& F# \$ o( E - .toggle-content {" l) }- K" |# w$ G
- color: #B0B3C2;
5 D8 x7 B) S2 q' q7 b( P - font-family: monospace;
; x# A; y' A- e& r$ s, N' u: Y - font-size: 16px;5 D& q4 z* G" H7 G
- margin-bottom: 1.5em;) J) Q, D6 p6 b8 K' X1 P5 w/ `8 m
- padding: 1em;; J4 ^1 d( F0 h0 [4 z9 d
- }
h# H, r5 a2 Z' ~) P; j5 n - .toggle-input {
6 y* @3 l' \% c* S - display: none;
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- .toggle-input:not(checked) ~ .toggle-content {
" \+ Y# K5 ~5 y2 v. \$ W# M& a - display: none;
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- .toggle-input:checked ~ .toggle-content {+ H, X3 L- e4 T/ _$ z
- display: block;
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- .toggle-input:checked ~ .toggle-label:after {# A6 Y# S( s5 v+ N# }
- content: "-";# A/ L5 P& ]" @7 f2 u- j
- }
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