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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!">1 {4 K) V4 G: j" q% j$ m8 y1 ^8 F
- Label for your tooltip& Y$ `7 X) t. c; k' @5 }" H
- </span>
复制代码CSS代码: - .tooltip-toggle { T" S) u+ _: k2 E. [% B. V
- cursor: pointer;' j5 f5 S3 d/ d3 _; J" y }
- position: relative;1 o! i* C* Z4 l0 P: C. _; G
- }
: i. ~4 J, O0 M- u2 D( Y3 z - .tooltip-toggle svg {6 i% W w" T3 G! I& Y7 C$ W4 Y$ o z
- height: 18px;
( f" Q% p4 W: T - width: 18px;( P% l) W7 n- A. N5 ^
- padding-right: 0.5rem;- c2 V0 F" D' {: L4 f
- }
% `6 b+ o! k5 L8 a6 Y% u* z7 _ - .tooltip-toggle::before {2 T' s; w& ~7 Z
- position: absolute;$ D$ i# ^0 y# \
- top: -80px;. B6 }8 s3 g$ P1 p
- left: -80px;
2 x) I4 v. s. R$ W - background-color: #2B222A;
( ^! H7 O" A3 A - border-radius: 5px;
. {# g; Q$ `4 [0 q. @ - color: #fff;; C7 G) M2 A4 c% f# L9 l7 P: l
- content: attr(data-tooltip);' ]! G* l6 b; ~) z
- padding: 1rem;
: X% |! P5 D0 R, |5 @2 ? - text-transform: none;0 w! O, q/ d0 o. K: \3 l! J, ]
- -webkit-transition: all 0.5s ease;
9 ?( a3 P& j2 T3 v# f+ V# X$ f9 E# T - transition: all 0.5s ease;1 P% b" V7 W' F) B
- width: 160px;
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% s8 |0 I- v: u* r/ } - .tooltip-toggle::after {" ?2 o- B2 D9 @2 j
- position: absolute; ~: q9 m5 u5 _; J* D! _
- top: -12px;
j* U% O- [. }; o; t% ^ - left: 9px;+ o' k6 H ^. \" w9 j
- border-left: 5px solid transparent;
8 s& ~' j* }" e% z+ Q - border-right: 5px solid transparent;
! e) o, Y9 l d- O5 w - border-top: 5px solid #2B222A;' Q+ _4 u5 ` ] L! [8 r) K+ Y
- content: " ";
. \) k: M6 O4 [1 b9 F9 H - font-size: 0;
- _5 s6 i, A6 y: B - line-height: 0;. Q+ O3 _- j6 U4 x X
- margin-left: -5px;
0 G: E( m- A" J - width: 0;
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6 m2 Y( A' A8 o2 J2 w1 V; { - .tooltip-toggle::before, .tooltip-toggle::after {
4 i% F; m" m0 h& [& d2 v) s - color: #efefef;
% x e# W+ f& w - font-family: monospace; B9 w( G' Q# [$ E7 v
- font-size: 16px;5 ?+ A- O9 L% n3 R" [
- opacity: 0;
! R2 ]1 ^# t0 G' S - pointer-events: none;
+ O; s3 N4 I. K7 I. { - text-align: center;# L! A9 a; z) ^0 O4 Q
- }
/ U! S1 C$ ?$ \% b8 |* G: l3 Y3 u0 c - .tooltip-toggle:hover::before, .tooltip-toggle:hover::after { ~) F/ {' u2 G$ [1 l: h2 G8 r+ \
- opacity: 1;
( l) F1 L: i) @5 J3 ~, c- l. m5 k - -webkit-transition: all 0.75s ease;
) C( B4 @4 ~) t4 b- D3 u4 L - transition: all 0.75s ease;
8 _% m! y& a: v6 b/ [" O - }
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">
) o5 j, m- K7 [8 g8 i- t - <ul class="nav-items">
* Z+ ?/ }+ S4 A) P# s - <!-- Navigation -->
) ^4 ~& x, N6 ^8 L1 l - <li class="nav-item"><a href="#">Home</a></li>
2 u. \% l$ ^0 p0 V, l1 s, ^/ d) u - <li class="nav-item"><a href="#">About</a></li>" S _/ y3 I9 R0 C
- <li class="nav-item"><a href="#">Contact</a></li>9 S! A7 m3 o7 ~; e, u- ~7 r1 r4 z" H
- <!-- Dropdown menu -->
; g( E+ @. o5 i$ X - <li class="nav-item nav-item-dropdown">3 Y# h8 w$ m! Q. a* }" z+ O
- <a class="dropdown-trigger" href="#">Settings</a>( f8 R3 M$ K, k: Q/ }$ w$ S
- <ul class="dropdown-menu">
( p/ F* h" {& e) t/ G8 l - <li class="dropdown-menu-item">8 ~: f& G! V0 \ H& u
- <a href="#">Dropdown Item 1</a>
; w; A5 t3 I1 ^ h - </li>- U5 J9 U. U( X2 i* }
- <li class="dropdown-menu-item">2 K' k$ a2 E# j, k
- <a href="#">Dropdown Item 2</a>* _! n9 _/ v6 {/ N, U5 _9 J* y
- </li>, E# S0 q. U1 o! r" i d, r1 }: z
- <li class="dropdown-menu-item">
5 c& u' d( ~- z7 ^$ c; b$ `1 X. Z - <a href="#">Dropdown Item 3</a>* L$ X- n! Q3 M- f
- </li>
: A6 F; t r& B: J - </ul>
6 {' I6 Y: d1 [! _- B2 D7 F3 P - </li>" A1 q6 `/ _% T: }! ?' q8 l( \6 j
- </ul>( O, D+ e2 j+ i9 I5 J
- </div>
复制代码对应的CSS代码如下: - .nav-container {( L. Z' h- O6 [+ i7 _
- background-color: #fff;
/ c }2 T2 I9 I - border-radius: 4px;! A7 ^/ k# y$ C2 B
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);9 @7 K/ b6 S ], ~, f" L1 Q
- padding: 1em;3 X. x- n0 H& D+ e7 n, @0 j( F) `
- border: 1px solid #eee;% f: ?3 O: x8 F! @
- display: block;
+ @/ K& a* u" w - max-width: 400px;: i4 u. @! C' S6 h
- margin: 0 auto;
! k. z+ H( f' \2 ?& t0 I9 f, ^ - text-align: center;7 l) F# D/ Q. c2 n0 D7 e
- }
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- li {3 H1 y9 j# B9 Z# M6 ^) i: k, {
- list-style: none;
, ]1 e9 M" ^) v, k' v& E - -webkit-padding-start: 0;0 F) C7 g: R2 ~0 o
- }
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- text-decoration: none;
2 A/ d+ e. @: f( r2 v# K - color: #ED3E44;
" a! s5 |- u! s! l - }
0 J9 S) S. q: T - .nav-item {
. A# d/ Y5 _! g% [, E9 L - padding: 1em;
1 J) V; N* i% l S) n2 I% P - display: inline;
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) D8 U1 C2 P2 }. R# n - .nav-item-dropdown {
' E% N X9 X* f( @( W: i3 C$ n7 @ - position: relative;
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- .nav-item-dropdown:hover > .dropdown-menu {
2 W# V/ r( f, `8 i1 R [% L' U3 a - display: block;
( p: s1 t% L } [ - opacity: 1;7 r8 G0 w" d/ t* n ~) x4 A: ~
- }4 _/ N3 u) s; C( h$ }8 H8 i
- .dropdown-trigger {. P, F! }3 k" [$ @" X- D5 A
- position: relative;
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- .dropdown-trigger:focus + .dropdown-menu {
x1 b$ Y1 i$ X/ l, a+ m H - display: block;
$ p3 ]' a- ]6 k e. `4 e0 m - opacity: 1;
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- .dropdown-trigger::after {
) _9 c. \ v. f! ? - content: "›";1 A2 M* e0 L6 M I9 r
- position: absolute;4 o7 r1 I0 s0 O3 ]. h/ x [
- color: #ED3E44;
$ r$ z: _5 T1 x3 f L" W2 r7 h - font-size: 24px;
5 s8 k3 E/ d$ B6 ~5 } - font-weight: bold;* L! ]* w: k: X9 q0 O; |3 q. R/ J6 s& u
- -webkit-transform: rotate(90deg);; f6 O; n' C2 G$ z4 ?$ A
- transform: rotate(90deg);
, _8 p/ z& ]4 h; U - top: -5px;0 U: G* N( P) D6 D6 m
- right: -15px;+ L; \5 I8 d8 m
- }' D f1 {5 \) U, G
- .dropdown-menu {% u5 P+ f; Q' i
- background-color: #ED3E44;
4 A4 J7 {) g) E5 `% ^& A& w - display: inline-block;( ]' n; ?1 e, B' J5 q* |' P5 X# s; ?
- text-align: right;
3 P" F+ _) g2 f - position: absolute;7 \- [9 v) r i! q4 |: r
- top: 2.5rem;
! H6 {1 @% Y" n7 c1 \6 U - right: -10px;( L. _* h! l' B" j/ I4 x2 ~) [1 E
- display: none;( ~$ o" Y: _" V0 n/ C
- opacity: 0;
+ _% b6 q2 Y. P. k' U4 ?+ H, U - -webkit-transition: opacity 0.5s ease;
3 U5 z% [& l/ Y- X s1 y: E - transition: opacity 0.5s ease;
3 g. x0 }, r$ g% T, b - width: 160px;
& o0 R) m6 @6 j2 a1 P4 J - }
5 L: Z2 `* z, x! v5 o& O! A- t - .dropdown-menu a {) {0 f3 f4 G6 Q! M# \& ?
- color: #fff;
6 b" w: V* S2 { \0 z9 y: n/ o - }
d% a+ T; V& _ e& u( i - .dropdown-menu-item {/ ? M# Y2 U: u. k0 O* j% Z, g
- cursor: pointer;
# s/ W0 [- t+ B; T - padding: 1em;; a8 }) W% E }. w( X; A! U$ ?
- text-align: center;7 g" ^3 }$ q" Z* ]3 u, u# y
- }' ~- e- {5 `- j
- .dropdown-menu-item:hover {
8 @* W' s3 O& M2 d. C8 W/ s5 V - background-color: #eb272d;
- W2 T6 o' g) P1 f- K- s- | - }
复制代码 4 B0 ^7 `' i1 \4 h
可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">
1 I% _/ u: Z& s' A' Z" s - <!-- Checkbox toggle -->
( r6 g: t5 k$ \2 ^& B - <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">
2 S. _, n7 H8 C3 w) y - <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>0 M/ {3 q$ l8 z+ k$ V, c! m; |
- <!-- Content to toggle from www.mfbuluo.com-->
2 k: H, R% L% u, `7 Q, e- k - <div role="toggle" class="toggle-content">
/ _$ s' @& _: G7 t# M4 p* d - BA-NA-NA-NA!
) _3 l$ }& L. k; O( x8 ~+ P7 B - </div>
, r& x' E9 f) ?3 f9 o0 v - </div>
复制代码CSS代码内容如下: - .toggle {
2 C: e2 I; E' ? - margin: 0 auto;
, V7 j6 o5 H! b- ~% \/ C0 S6 ^, q - max-width: 400px;1 X) y2 W7 k: R# S/ F& O
- }
; e/ n R( a9 G |' l0 A7 O - .toggle-label {# N' Z6 g, {8 a9 \( e
- font-size: 16px;$ @& x( W) K5 a. O
- background: #fff;
" j8 D+ ?1 T: R. r - padding: 1em;& Y9 R3 Z/ `8 ?2 C- ~) S, R! N: B; ^
- cursor: pointer;" E) t/ j! C. _
- display: block;% X: R Q' ]$ M: ^1 K
- margin: 0 auto 1em;
: ]; s% t! t: Y% p& C4 ^8 a7 y1 L - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);) r+ F: L" n4 T3 W+ `# \# A
- border-radius: 4px;* W8 F* o/ m% s) x, \) X
- }' m9 s& ~. Y, X1 |# B1 x+ {- y" j$ w
- .toggle-label:after {5 n& {7 J7 B* x0 N
- color: #ED3E44;
5 Y0 Q3 |& I) m. H+ e4 T$ Z - content: "+";9 `; ]: I$ e# u
- float: right;. |0 u; i/ J: ~' k& f/ T
- font-weight: bold;2 f$ {3 M. f! E6 o
- }: q6 j5 Q' R3 x( j! r
- .toggle-content {
1 g# w* y1 u2 _) @ - color: #B0B3C2;
* r1 W$ Z$ K4 C+ ^: t - font-family: monospace; k. g+ l% z& `" x6 u5 w
- font-size: 16px;
/ x5 ^/ Z x. F% d6 t - margin-bottom: 1.5em;
: G/ Q( o6 z$ P* l) j: @- [/ v - padding: 1em;' ]) f& U9 M3 q# n i5 {* c) n
- }; ]% @$ o* \4 R% L1 A& T
- .toggle-input {3 E' U w( U! T/ A
- display: none;, _- K8 z: ?- E0 @0 [+ V# y8 M
- }1 T9 x- y5 t% g9 h% E* f0 k
- .toggle-input:not(checked) ~ .toggle-content {/ G* E- K" a% Q! F8 D
- display: none;
G- s4 J: u. t* B - }! ]% M6 H; e( D( y
- .toggle-input:checked ~ .toggle-content {
6 f) ~/ C6 b/ { - display: block;
* S, f; \: N3 ?8 f' x9 D0 T# g/ O$ e - }5 |4 s1 z, |# D
- .toggle-input:checked ~ .toggle-label:after {
! }" j" P" R# C" p U; P( Z - content: "-";; Y k- u, l4 o# ]! Z4 g4 H9 j
- }
复制代码 1 a; Q D. Z- ]: y8 ?, g' F
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