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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!">4 V! x# ~$ k, ?8 x
- Label for your tooltip8 C- K2 a9 ^% S0 X6 j( m, e
- </span>
复制代码CSS代码: - .tooltip-toggle {
# L4 a1 l* G- o - cursor: pointer;0 k0 n8 j: S& i: [
- position: relative;
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% |& e2 H! F) z4 Y - .tooltip-toggle svg {- M6 w9 R1 {' ~( j/ N
- height: 18px;
9 x+ |5 j7 ^% S - width: 18px;
) L' W+ |( n( _ - padding-right: 0.5rem;
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- .tooltip-toggle::before {
- ^3 x8 i6 t! r/ f3 E - position: absolute;
& S; i- B1 _. ]4 f# V - top: -80px;" E: g ]6 N4 _4 M: I. U
- left: -80px;
& b) R0 D4 V+ E3 u! v3 t' Q! ? - background-color: #2B222A;
! b. v3 E; O1 n4 l - border-radius: 5px;+ o* ~% v' ]1 F
- color: #fff;& F, d* l' h! A& |# D
- content: attr(data-tooltip);% m8 J, l: h" Q. e8 T
- padding: 1rem;
" y& |: ?0 N2 c- b- W - text-transform: none;
' U2 t3 v4 }( J3 ]* \. Y - -webkit-transition: all 0.5s ease;
7 K' V5 N1 P# d" Y - transition: all 0.5s ease;, f' B: F+ m: E. z$ b
- width: 160px;! Z A; E9 c1 t4 l
- }1 F8 ~, [1 e. M+ F0 x1 u
- .tooltip-toggle::after {, K7 q5 i" m: x$ M. j4 X
- position: absolute;
! E, H0 E& j3 s5 J' @ - top: -12px;2 O6 c @& ~! g2 w' u2 \
- left: 9px;- z" ~2 I3 i# ^1 X/ P$ _( R8 S
- border-left: 5px solid transparent;
$ q" ]0 n3 n! L) B - border-right: 5px solid transparent;" K5 {/ e) n$ d4 \
- border-top: 5px solid #2B222A;
5 [8 M7 H! D& d% }' Z ?& N2 E - content: " ";& L9 J& Q n2 `& k
- font-size: 0;; r6 m9 ~# }- C: w
- line-height: 0;
|# n- n. q: T" ^! U - margin-left: -5px;
o. a6 A; ]$ a* o& B - width: 0;
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- .tooltip-toggle::before, .tooltip-toggle::after {6 P) w& _4 ~: w3 _/ ^5 ]1 J
- color: #efefef;: |1 T7 }/ Y, p) T8 B
- font-family: monospace;! p) K: A# y/ ] r: d
- font-size: 16px;
9 N4 s; Z6 }5 M" J) h4 O% g - opacity: 0;
, K3 [1 U6 q' s& O" f - pointer-events: none;
: f3 P/ D7 P: Y# j1 w/ t - text-align: center;
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- .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {
, o1 t8 B, X5 U9 x3 o- l - opacity: 1;
l5 [% v9 x- i# }6 a - -webkit-transition: all 0.75s ease;- r4 ^9 v5 g7 P! i7 G5 W# ~
- transition: all 0.75s ease;) W' o( ~! {8 p c9 G* S: Z. p
- }
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">
: B6 r5 y- T# m3 D7 H - <ul class="nav-items">1 L: T2 q+ N! P+ \ c
- <!-- Navigation -->) Z7 ^# q/ k' a5 |: ~' ^( q" a
- <li class="nav-item"><a href="#">Home</a></li>4 N! }: h4 F& n. x& E
- <li class="nav-item"><a href="#">About</a></li>0 j0 z; U I& T# D8 D6 H. K9 d( H" c
- <li class="nav-item"><a href="#">Contact</a></li>, d% e, N' ^0 u/ {* |3 ]; l. ~
- <!-- Dropdown menu -->/ r# Q( s: {3 h6 O3 P) I* }
- <li class="nav-item nav-item-dropdown">5 b( v7 p" j2 V1 q5 v' _
- <a class="dropdown-trigger" href="#">Settings</a>
4 _. M t4 A6 M1 q, t - <ul class="dropdown-menu">
8 ?& s& D1 y& _& ~: w - <li class="dropdown-menu-item">( _/ T1 G4 e; X/ D. _5 [8 t
- <a href="#">Dropdown Item 1</a>
4 W R/ q2 k: A" a, j( l" n - </li>
% t$ G* m/ W9 t- W. _" W - <li class="dropdown-menu-item">9 B; y l" k, Y0 {6 x) U& r1 r4 a
- <a href="#">Dropdown Item 2</a>4 I% ~" z* Z' z4 R) h$ m( k
- </li>
) V4 V, Q) F$ b4 j5 N* E- V( P - <li class="dropdown-menu-item"># L( L$ z/ {1 s* d+ U9 ]
- <a href="#">Dropdown Item 3</a>
( c5 p+ E# _1 b; v7 h& R - </li>! q' R) W: N% M' U& f
- </ul>; P2 }$ ]) U2 H2 h
- </li>
- {- i7 M8 U1 w4 J! W* ?& p - </ul>/ \* z+ X% F4 L- ^. w% v+ q
- </div>
复制代码对应的CSS代码如下: - .nav-container {
# O. o0 ?! l. H0 p. A6 g. E; { - background-color: #fff;
. Y% _0 b0 }" Y& O9 [; k) ]# \% a7 _2 q - border-radius: 4px;% T3 y2 |# z. ?# S3 S
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);1 V* f) w( V4 w* v6 q5 n
- padding: 1em;
& m; f# {6 ~6 E2 K1 g5 J - border: 1px solid #eee;( r, J `7 k- m8 B
- display: block;0 |1 l8 E7 u# V. t" Q* M) O8 C
- max-width: 400px;) n( D$ Z, |+ E" L# H: T' d7 r# K$ c
- margin: 0 auto;/ X$ [, }3 p( r" n; S. }- F
- text-align: center;
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5 _+ t: z! Y3 `7 r5 i' k - ul,' _$ A6 |) _4 { ~
- li {
' N6 P' F4 ^- G! m X - list-style: none;
& A( J' m( ] k - -webkit-padding-start: 0;
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- a {
, B2 `3 |! R5 U) m! Y& }& V - text-decoration: none;- h6 k) M9 Q; ]" L
- color: #ED3E44;
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# b- r: J/ }9 l: X - .nav-item {1 f$ |6 z& a1 m+ W
- padding: 1em;! O' x- g1 B% ^% I$ c4 @
- display: inline;
+ ?& Z1 m% t, o+ m! Q - }
+ `2 C u( @# u( {' _" E - .nav-item-dropdown {2 p) Q- }. N4 b8 Q3 b2 O G
- position: relative;
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- .nav-item-dropdown:hover > .dropdown-menu {7 Y2 E; B7 C. w5 ^$ h
- display: block;
2 y" h2 y H/ Z7 k+ Z; H. U - opacity: 1;5 E; _! \" K8 ?! T% e
- }) [4 q: w$ g7 B& K# Z
- .dropdown-trigger {9 m3 R. W3 h' d9 g7 j
- position: relative;1 d5 v8 o' |' |' g6 S4 w5 c5 _% r
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- .dropdown-trigger:focus + .dropdown-menu {: @. v* n" I, A" s
- display: block;: E L8 j/ E$ h" k, [5 E
- opacity: 1;
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- .dropdown-trigger::after {
7 m, i& @9 S4 Q6 N. h" f/ y - content: "›";& j$ N/ H6 G! [5 P. u
- position: absolute;
- U: x ]. J. F0 U6 u& Q - color: #ED3E44;0 Y, n" `7 J; L- y
- font-size: 24px;
/ W7 Y( O4 t: }' ~2 C/ ? - font-weight: bold;
. ]" D2 u# K9 C" U2 L - -webkit-transform: rotate(90deg);, X+ t" ~' A& v8 o9 F
- transform: rotate(90deg);: O$ R. p' |2 G" A3 Q# b* U9 \' A8 Q
- top: -5px;) p. K! W- R0 \& F: ^) W
- right: -15px;
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- .dropdown-menu {
4 |8 Y0 S" ^& G A* l2 G8 V; Q - background-color: #ED3E44;8 \& X/ U' Y4 p- |9 I- [1 |
- display: inline-block;
$ Q* B3 Z9 H# I8 U) W" g& ^! ~4 v - text-align: right;
k1 w2 B k2 w - position: absolute;
; h) N3 Q8 {) x U0 O+ q - top: 2.5rem;& F5 Z O1 @) f! l$ ]' {
- right: -10px;
+ l; P+ i7 R+ d9 X$ d - display: none;
: S" [$ d. K0 m% t, i - opacity: 0;, b4 R3 R8 Z Y
- -webkit-transition: opacity 0.5s ease;
# a i$ z+ }0 U) l - transition: opacity 0.5s ease;
: ~: n; e C* E# a3 H3 W - width: 160px;
# I* C6 U# H& w) E u; X) n - }
; R" T& u8 t; V" t - .dropdown-menu a {+ y0 |9 g( h1 I5 L' r+ C9 ?/ o
- color: #fff;& R! }7 ]$ N' b2 t3 @$ u
- }* W0 h2 A5 {9 {! @5 C) A; [* C
- .dropdown-menu-item {
- ~' y4 U0 {7 C( j7 D/ Y - cursor: pointer;
: O/ y7 u }! } - padding: 1em;
- w! N' O6 _# @6 v& S4 x; p - text-align: center;0 N- j1 \' J4 z+ u1 `9 O
- }
7 r& n: ^6 N, {( A% r! I" f! D2 p - .dropdown-menu-item:hover {7 f" o: m h( U4 G) \# B+ Z- Q' U
- background-color: #eb272d;( Z9 F2 w' {& j/ Q
- }
复制代码
) K" t K- ~- r4 w$ n- X- C可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">" C( ]" _: c2 _% E3 D6 F
- <!-- Checkbox toggle -->
% j a$ t. h7 p3 x+ D3 P - <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">
/ ~+ O: l }' M% R9 E - <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>" K+ i8 F8 x1 \4 M/ u) G. i
- <!-- Content to toggle from www.mfbuluo.com-->: c6 v8 v6 r$ m5 Z7 q9 r
- <div role="toggle" class="toggle-content">/ s" X2 n6 S0 Y
- BA-NA-NA-NA!0 U4 d/ J: z2 @& [# H6 U |! M& \' l
- </div>3 F- O m" v9 T
- </div>
复制代码CSS代码内容如下: - .toggle {8 q/ o/ Z% ~' H- a" G/ f/ g7 Y5 o
- margin: 0 auto;
. @! V& ]6 }! G3 A. u2 y2 U - max-width: 400px;% n2 o M5 h5 g" Q4 k
- }) Q* R$ S4 f1 N+ S6 }3 G
- .toggle-label {
$ K H: @1 r7 P8 z; t - font-size: 16px;: ~ J$ P3 Z' D
- background: #fff;
* J7 f6 o/ S' f- w7 F( s* j3 r% j - padding: 1em;% E. j( S! d8 T, ?" h5 \
- cursor: pointer;% X& _- N6 Y _& M% U; K$ n( y" Z
- display: block;
4 n$ @8 J& P2 y8 _$ e( ~ - margin: 0 auto 1em;
5 Y# _) y" ~/ r% Y/ l - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
& L2 N n' v8 E3 g! T8 ]' J( t - border-radius: 4px;
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- .toggle-label:after {, M0 Y: `( n, R) w4 T2 m" g6 n. v
- color: #ED3E44;
6 X7 p; ?- s0 l' w" @$ X" U5 ` - content: "+"; _* a6 N, K8 n: C! H
- float: right;
) y0 t2 n1 u1 j" ~) }! P( c - font-weight: bold;7 X, v8 a @5 y+ R4 L; s) p @$ ?
- }" ]7 x( e/ y5 e' [8 e9 l1 @) b. y
- .toggle-content {
7 d1 n+ h! Y* x; T) @ - color: #B0B3C2;; y+ p7 ^: M$ P- X) \! J9 R
- font-family: monospace;
5 C& g; H" a! q! @; q5 I - font-size: 16px;* K/ A6 A* d+ o% G# N- n* d
- margin-bottom: 1.5em;
/ [5 i% @9 `/ x2 Y7 l - padding: 1em;; m( C4 d# X3 [! ~$ O
- }
/ V/ Q$ w* Y; W( p! y% r - .toggle-input {
2 C' f2 k5 F/ V \& M9 D, G& F - display: none;
' F; \; X1 H# F9 v+ {0 e - }! ]' Y7 ^# |$ f% K) \' F9 i7 Q" h
- .toggle-input:not(checked) ~ .toggle-content {. T) g1 O! u7 L+ R- o
- display: none;6 j) q" I, D7 H$ x
- }
1 q- _5 j6 ^9 l2 b% T1 G - .toggle-input:checked ~ .toggle-content {
3 z- ^3 u% t8 S* Z4 a - display: block;6 y! b% b$ f/ N8 S& o' h/ n
- }
' E$ R$ s( M$ j! m/ N - .toggle-input:checked ~ .toggle-label:after {
7 B5 p1 j* R" s0 O - content: "-";6 }/ u: ?. T- _* G" m3 Y% z- O: O
- }
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