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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!">' Z( u$ ?( M1 M
- Label for your tooltip
6 ` I, y4 l3 e% o* U - </span>
复制代码CSS代码: - .tooltip-toggle {: k$ F% ?/ q5 x# a2 h4 u
- cursor: pointer;
. ^% a# p6 m% R - position: relative;
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- .tooltip-toggle svg {
2 @3 C; h8 w* p5 ?5 d - height: 18px;+ F- z3 a; V0 d
- width: 18px;
' q2 r7 M* V# [% [$ q6 r9 s - padding-right: 0.5rem;$ o6 z7 R; \* L/ e
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- .tooltip-toggle::before {
" Y% L. d4 Y9 e& H* Q - position: absolute;# g! U/ B3 [" ^8 [
- top: -80px;$ t2 F6 d& d. F6 ^ J9 g: Z% [7 ^
- left: -80px;
1 h" p- z/ C- m: u P( K0 C- y - background-color: #2B222A;
4 a9 G: e N* p% @' v - border-radius: 5px;
5 M b/ M _! I* B- b - color: #fff;! p# z3 i4 v: Q! ]* y# r
- content: attr(data-tooltip);3 k! x# [6 X- ^) t) K( X
- padding: 1rem;
! Q/ Y8 Z; y' i% J - text-transform: none;
: N: Z5 Z( b6 Z: f: q f& K - -webkit-transition: all 0.5s ease;
( T& Q8 g# t. ^* E: Z/ l: [* z - transition: all 0.5s ease;
6 S7 W- C! j5 A - width: 160px;
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- .tooltip-toggle::after {
# R' S6 N+ E! f8 e - position: absolute;
+ k* j$ |& f8 W& h: X - top: -12px;0 r' z; t( a% o, r& ?6 B0 w
- left: 9px;
# }% P3 o+ k+ k5 g - border-left: 5px solid transparent;/ }9 R4 R& k9 `" O
- border-right: 5px solid transparent;* O7 s! W% G$ c
- border-top: 5px solid #2B222A;" a9 ?5 Y6 b% I
- content: " ";
9 K8 c* R7 h% m8 A) h; a - font-size: 0; Y( Q- u& `9 g
- line-height: 0; _; w F2 v) o/ ^% q
- margin-left: -5px;
7 }2 L6 g7 y+ R6 U w9 O: N& e - width: 0;
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- .tooltip-toggle::before, .tooltip-toggle::after {0 T- {( M% N/ o3 N5 t
- color: #efefef;; h0 |+ e2 y; T- b. W( r" Q
- font-family: monospace;
7 Y) k9 j$ i) x7 v( U; s$ e - font-size: 16px;
/ Z2 F/ f. H8 F; r - opacity: 0;# Z9 W6 z/ [( B0 J
- pointer-events: none;
3 g/ R5 T! W" n+ h3 \( T: M) t - text-align: center;
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- .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {; ^3 I. Y' @' b
- opacity: 1;
/ X* D' }7 Y/ y: M5 F - -webkit-transition: all 0.75s ease;) R: r1 k3 c" }- _
- transition: all 0.75s ease;. l( u& j& B$ [9 f) h+ E" _, 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">
+ W& s/ p0 H) C3 h, b - <ul class="nav-items">
2 m& T7 d+ ^: N! w) g - <!-- Navigation -->" \ a$ Y6 ~2 x/ g- U4 r
- <li class="nav-item"><a href="#">Home</a></li>
* z4 w7 d4 U! ^+ @ - <li class="nav-item"><a href="#">About</a></li>
4 `, y' O2 w v) L - <li class="nav-item"><a href="#">Contact</a></li>8 s1 |& b5 Q* J P3 H% k
- <!-- Dropdown menu -->" A" d3 z/ |2 S4 Q+ N) ?$ `
- <li class="nav-item nav-item-dropdown"># R* k) v; _0 {7 o' v
- <a class="dropdown-trigger" href="#">Settings</a>
8 a1 X/ F7 h& z - <ul class="dropdown-menu">
; i8 R$ A$ E# m2 X' p. | - <li class="dropdown-menu-item">4 n) x7 k' q1 H( U1 N1 N* k# N: @- Z
- <a href="#">Dropdown Item 1</a>9 M: ^ c) O' v4 N
- </li>" L8 ?8 z) F. q$ d% J4 |
- <li class="dropdown-menu-item">
$ X8 q4 G# Y, T( [/ e8 ` - <a href="#">Dropdown Item 2</a>
7 U+ {( h, }7 n! X) k - </li>
) f2 Z& s! J; t8 |& a0 C - <li class="dropdown-menu-item">
( ]2 u ?: l/ s( F - <a href="#">Dropdown Item 3</a> }6 O! g( B& A
- </li>! L1 \$ y& ]- b) r- b& a
- </ul>8 [0 ?3 n8 W. I
- </li>3 _" N7 M; T# ?& p9 I9 M7 B
- </ul>
( h: u2 W9 n) u - </div>
复制代码对应的CSS代码如下: - .nav-container {0 K( }8 b% t o4 ?# V' s9 m$ Z9 [. R
- background-color: #fff;. G2 R% D$ K# a# z
- border-radius: 4px;- L& G2 s2 L Z7 l/ S+ V& b y
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
& P5 I9 F& z: x. X6 A: g4 w - padding: 1em;
9 a: k# Q7 Y% L1 F; V - border: 1px solid #eee;$ J& @' R# g; y6 H
- display: block;) c3 S) Y9 b) O! J" P
- max-width: 400px;6 ]- P8 f6 F* T- ]9 u% n- Q' f
- margin: 0 auto;
( y/ g3 U9 E9 c2 S L0 ^ - text-align: center;4 M) @1 m" @3 E
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- ul,
1 R9 f/ m+ n. Z0 E% Z - li {
$ _& r1 K; Y0 K, R! p - list-style: none;
5 c) x, M* V9 z; p( d - -webkit-padding-start: 0;
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- text-decoration: none;
* P+ w4 ~4 d' K - color: #ED3E44;2 I5 S* B! k4 j" ^, H
- }
6 Y. e1 X2 p$ x: S - .nav-item {4 [& |' Z+ R" ?% S' C9 S
- padding: 1em;0 A/ \& f+ n, H$ e- i
- display: inline;
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/ l/ y" _4 {# h: t7 V/ C - .nav-item-dropdown {3 _* @! V/ W' r0 v8 V7 q
- position: relative;
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) h. G* c& {; E6 r5 L# D* y4 [ - .nav-item-dropdown:hover > .dropdown-menu {
6 v7 M# x' Z. [* \1 N - display: block;1 u1 T' S2 Y6 f
- opacity: 1;0 P* g) Z7 F( k
- }
$ w! R) G" a* N! |, {6 Q# t - .dropdown-trigger {, [5 {4 ^# |, Y: n) J h* ^
- position: relative;
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- .dropdown-trigger:focus + .dropdown-menu {3 v% S1 Q2 P' X: l' n: ]4 u# X, @
- display: block;2 A9 w% E$ `' k5 e
- opacity: 1;$ W( A& [1 V' a' b
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- .dropdown-trigger::after {, j7 I6 H& M ?7 K9 E
- content: "›";$ I8 ^8 p! b% ]
- position: absolute;
# g% H/ L! [! V( _& ~ - color: #ED3E44;7 K( _; |! a5 M' p- f$ d' o, [/ ~) [9 q2 t
- font-size: 24px;. ^9 T5 M5 R8 h- T7 b
- font-weight: bold;
0 k- J4 ?/ [4 r" c( b* n - -webkit-transform: rotate(90deg);
" b" X2 b0 h' w5 L) P8 S2 K4 z - transform: rotate(90deg);" p M G; A; T9 y8 U4 D8 ]
- top: -5px;1 v7 c0 M7 K+ o- f4 p
- right: -15px;
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' H9 y- M1 f# t! ` - .dropdown-menu { P- b; Y/ R: U$ ]4 I9 J! B
- background-color: #ED3E44;1 l" C+ u7 h0 [( M/ h' t
- display: inline-block;
1 Y- k, a& [# E/ p! l$ u: c0 ? - text-align: right;- C3 d3 d0 d7 \
- position: absolute;. P5 K" u# n/ O! ^ Q, i1 }
- top: 2.5rem;
$ [7 w. U6 I' n" R - right: -10px;
, q- {/ }9 n* v2 P - display: none;# s- A# n/ `0 Z$ d8 m
- opacity: 0;) C0 A( v( d- }$ ^8 P
- -webkit-transition: opacity 0.5s ease;, ?# Z1 E6 b' c9 O
- transition: opacity 0.5s ease;% M% |7 J0 u2 k0 g7 ?
- width: 160px;
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- .dropdown-menu a {
3 z5 @& [1 N! Z7 \+ V7 d& {$ H - color: #fff;, z: I4 x) l: O- |, G1 o2 M4 w5 u
- }% \! k6 T8 t' V6 S& F- ~
- .dropdown-menu-item {
' P' ]6 I- u# e5 f - cursor: pointer;3 M& s! ?7 k* ^$ n$ P- R
- padding: 1em;7 t @8 c$ D" ?; h4 D& S5 A
- text-align: center;
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( p n6 Z2 Q) Y E: { - .dropdown-menu-item:hover {, z) t. L* _$ G; n2 S* J
- background-color: #eb272d;( ]8 q( `7 z* t) Y h+ d+ i
- }
复制代码 ' X7 h' ]/ e5 T" G4 Y L& y
可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">
+ s ?$ v0 m+ S8 L- Q - <!-- Checkbox toggle -->
/ ]' _/ j2 o- E9 F1 Q6 g - <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input"># W' ~% R% M4 n y% b
- <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>, b' f- R( \. R! ~" ~
- <!-- Content to toggle from www.mfbuluo.com-->
2 ] n& s! i/ t' l' A y0 y - <div role="toggle" class="toggle-content">
& A7 W8 N, r C3 }9 \# S - BA-NA-NA-NA!
& U6 ], x( `4 J" b2 a4 z. s - </div>
7 ?& x& K; i7 b" W - </div>
复制代码CSS代码内容如下: - .toggle {, y7 [1 G7 }! q% Y0 ~& {
- margin: 0 auto;
F2 l7 X( a' J9 n1 b, L" N - max-width: 400px;4 J7 N* [( B0 g/ p! Z1 L( A
- }
. P: M+ T4 U$ l - .toggle-label {
/ T. _$ w& ]1 e H* k9 q7 Z# S9 [( y - font-size: 16px;2 }. B! l' O$ V7 `+ X' S3 c* A
- background: #fff;' G$ j) w4 e5 }) E
- padding: 1em;
+ _/ w3 }- l& y - cursor: pointer;1 f9 | o2 g) R
- display: block;2 H. j9 @) v$ N5 _
- margin: 0 auto 1em;0 _$ q' {! u) h7 V f) V
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
% t, L$ [9 \- V" b6 C9 `- S - border-radius: 4px;
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- .toggle-label:after {- t ^1 b9 n- ?$ ?7 Q5 C% @0 i
- color: #ED3E44;( D* n. W; `( _4 j: {. o6 y6 a
- content: "+"; u$ [) y5 b+ o, E% D* S4 ]
- float: right;. M" ]6 T( ^, Z# p
- font-weight: bold;
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, G9 Z& @9 k: t - .toggle-content {' X6 A: H3 \, g# R/ h
- color: #B0B3C2;" Q, y2 w \8 [* E
- font-family: monospace;
& O/ _3 \% V/ \, f- S/ ]( r: e - font-size: 16px;
: S/ w5 t! s$ A0 z9 \ - margin-bottom: 1.5em;
( J2 h$ v8 p; v$ U& o; N, P - padding: 1em;4 A. k6 i" ]1 n6 ] l1 j0 d
- }2 H& i3 Z# n# Z8 S, M
- .toggle-input {
# h9 P% C C1 }1 U& I- k - display: none;- U0 k4 t$ E# {9 w) Z# m
- }
$ Y& b, L/ z: G- k+ E& L5 j - .toggle-input:not(checked) ~ .toggle-content {
/ c' S2 k" S" J1 A, o - display: none;
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- .toggle-input:checked ~ .toggle-content {
! M$ T7 p! L: y2 A1 p4 D; p7 F5 S - display: block;
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- .toggle-input:checked ~ .toggle-label:after {
3 V/ j) t) } c" o - content: "-";
9 {, f7 s D- U, {/ p7 y' w - }
复制代码 0 t& h3 M! W; N4 ?
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