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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; E+ J4 k2 M" Z - Label for your tooltip2 j6 \7 l- O+ o
- </span>
复制代码CSS代码: - .tooltip-toggle {
: p$ T. @- z( z6 n' U - cursor: pointer;; G( w) m M2 d. e1 Y# X6 o
- position: relative;; `1 b" w8 O: r8 i& K6 k
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- .tooltip-toggle svg {2 w* N2 D T$ |! O- H
- height: 18px;
2 c e0 l. p! Q - width: 18px;
" w: W4 I) Z8 e e! }8 h - padding-right: 0.5rem;
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- .tooltip-toggle::before {
A* }% R& O$ H# [' Z - position: absolute;
$ J3 ]% a& K& H9 _: z - top: -80px;( B. R: Y: V; S) X7 S6 J# \; j
- left: -80px;
0 T' f! e3 z/ K - background-color: #2B222A;
9 l$ T% L7 |) Q% b) `' u - border-radius: 5px;
& J& I) \8 u9 ^ - color: #fff;
! j* F \* z2 M0 c& T - content: attr(data-tooltip);( i5 B% r/ d5 r# p8 g; U) l
- padding: 1rem;
# F# ?5 O8 B. W; y3 b3 T4 @) ]! S/ N - text-transform: none;
* S+ D4 ?2 ?3 v& } - -webkit-transition: all 0.5s ease;. `; u6 T2 k, w+ \7 b2 Q+ q
- transition: all 0.5s ease;% p) w! K4 t' X) Z9 S9 L, a, Y2 h& B
- width: 160px;
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- .tooltip-toggle::after { o1 ?' V7 p2 J, [" K' @
- position: absolute;
6 [. B6 b/ `7 @9 V* f6 W. \6 ?6 p& S$ s - top: -12px;
9 ^. d4 T, W# I G7 O2 k* ?6 O! B- W - left: 9px;
6 m. g' y1 G) i& p( E - border-left: 5px solid transparent;( j2 O# Y. f% R9 B& ~& o8 |0 d
- border-right: 5px solid transparent;
. R& d2 q# T( {& g - border-top: 5px solid #2B222A;
+ Z0 f' ]- O- w - content: " ";% D' P$ P$ b5 K7 S9 Y1 t2 z
- font-size: 0;) @$ |- G1 O7 A& j5 X
- line-height: 0;; G r5 c. r: C+ g+ F; V' W
- margin-left: -5px;
' O# P9 j2 `: r$ r' g- k* R( v t - width: 0;& e% S! P$ `0 {$ L8 M) H
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- .tooltip-toggle::before, .tooltip-toggle::after {
6 |( f5 C( M7 v! X - color: #efefef;
& }5 g7 a, Z' N# T9 r! E - font-family: monospace;1 x" ], [( C$ {7 c# l
- font-size: 16px;
% A: v1 g l; ^ - opacity: 0;
8 U s5 K) X) ~; Z' C# G8 i6 p - pointer-events: none;
) I1 p! l! B# T) ~) ? - text-align: center;
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- .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {8 Y0 }, y. v* C( V( d2 q
- opacity: 1;. O9 p" r; E w' b: Q2 r
- -webkit-transition: all 0.75s ease;
* I' h! c* V* G - transition: all 0.75s ease;
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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">/ R0 h, W, \! I
- <ul class="nav-items">
0 z, p" T7 l X$ s7 U/ r. q - <!-- Navigation -->
6 g9 r; I* [ V - <li class="nav-item"><a href="#">Home</a></li>
2 |/ U# P4 O4 u' o# T - <li class="nav-item"><a href="#">About</a></li>) }' \+ }: \/ t: A) g
- <li class="nav-item"><a href="#">Contact</a></li>
& X& @, o: Q! r7 h* u* @ - <!-- Dropdown menu -->2 _$ B. o, r" n% P
- <li class="nav-item nav-item-dropdown">: r/ ` c2 ]5 ]5 n1 e$ T# \4 w/ U
- <a class="dropdown-trigger" href="#">Settings</a>
~1 m; p/ O' P6 d7 b, w) G+ [- T' ~9 | - <ul class="dropdown-menu">9 T4 w' M( {3 ]+ I- S5 E+ ?
- <li class="dropdown-menu-item">
0 h& H0 K! C u% G% _. d& a9 z - <a href="#">Dropdown Item 1</a>
1 n# L4 d' e) B) M/ A3 r - </li>
9 S0 p. {0 N4 I0 L n5 r - <li class="dropdown-menu-item">- A5 {3 P6 n1 B0 Z, L! Z0 [1 Y
- <a href="#">Dropdown Item 2</a>0 G( }0 Y% Q8 H+ O! h
- </li>
% t% M4 v! L$ F - <li class="dropdown-menu-item">
y; e2 w# c |$ q - <a href="#">Dropdown Item 3</a>
2 e. [( {! G+ a$ f8 E; H - </li>2 O; M0 G) s2 d/ Z- G# _3 ]
- </ul>
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- </ul>, ?- S- D) f% s+ ~( [+ x. ~* ~1 S
- </div>
复制代码对应的CSS代码如下: - .nav-container {3 t# ]7 u) k& ^- O" ?" J6 s" V
- background-color: #fff;$ Y7 k0 e: d& A/ h4 L M
- border-radius: 4px;9 O5 b, h* T5 T- t: E- _
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
5 N6 E8 v& w' E' d$ Y. F; }+ f - padding: 1em;3 }* n) p0 k' G) z
- border: 1px solid #eee;! @2 S$ \' f4 @2 q
- display: block;( [! q% L# E3 `: G8 b( H3 |4 h$ P
- max-width: 400px;3 k& b! O; l) q6 V7 j
- margin: 0 auto;! M2 j% t0 l% r" ?: K$ {" z' U
- text-align: center;
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- li {
6 r* I: n- y+ y) m$ e0 c( X - list-style: none;
% [, Y6 y( P9 a, X1 s( ~8 B( o$ s - -webkit-padding-start: 0;
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- a {4 z$ j9 g: p- P. ?( z8 X
- text-decoration: none;
+ P+ u6 V* \+ Y+ v+ w6 b9 G - color: #ED3E44;: K7 l2 J, T. x8 y3 t
- }
3 s1 E( ?# i6 A2 m8 G - .nav-item {
4 y' E3 G" g# m' U3 }8 p8 b - padding: 1em;
6 F1 v9 X( j7 q - display: inline;
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" Y2 j. s; k/ O5 \$ v - .nav-item-dropdown {5 Q9 n( a& t- f9 L
- position: relative;
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3 A" T) S2 ^4 n: B - .nav-item-dropdown:hover > .dropdown-menu {3 \0 B [- S& O B( e1 o
- display: block;" h8 O3 Z: U! H0 t
- opacity: 1;
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8 |: {7 Q; A5 T0 v8 U9 l0 V - .dropdown-trigger {
" M6 x. G1 q V( G8 s4 F - position: relative;
+ M8 {$ Q7 R! M) ^7 a& |* F - }
# P0 q- ]' m# F8 ^ e5 n) @# f - .dropdown-trigger:focus + .dropdown-menu {8 }8 f; p0 q* ]* u2 l
- display: block;
) |2 s& g8 R- k0 L9 G. y* q - opacity: 1;
+ `- u7 M" [4 b - }
* ]3 ~1 y. V+ [3 L- _ - .dropdown-trigger::after {
9 F! N8 p& S! g" o- n O5 h - content: "›";
$ _- k( t1 a; A I" e0 k) A' d% \1 y - position: absolute;
0 N7 \* x- w9 d+ m% Z: v - color: #ED3E44;
1 t& Q6 {2 \/ g3 \* {% x! k O# x - font-size: 24px;3 }* Y8 a& G& L( F
- font-weight: bold;; x: x) x. k/ C
- -webkit-transform: rotate(90deg);
' ]8 c1 G' y# H! _( } - transform: rotate(90deg);2 k' }7 e/ X/ b. \8 J/ s5 g3 o
- top: -5px;
1 L7 Q' X' ~8 t- X5 L2 V, h& K4 p4 \! v - right: -15px;- u5 V. k8 Y* p0 A- D( p4 i
- }6 A- n+ ^: b8 W% l3 K
- .dropdown-menu {
0 {; p" [1 W/ q1 S2 h - background-color: #ED3E44;
7 Q' m: g# y+ r% f& C - display: inline-block;9 x; Y% G' g& ~# U4 m
- text-align: right;- D- ~1 I! r2 x! ^5 M# B
- position: absolute;
& \* c$ G/ d; ?3 {" p - top: 2.5rem;) Q4 ]; q" R$ a
- right: -10px;) T; m z! ~+ g" l5 ^
- display: none;
) g5 G4 Z7 C) r! ~' c& W, h/ Y* v - opacity: 0;
9 Y" L/ }8 ?: \1 |. F* \2 R. p9 E7 U - -webkit-transition: opacity 0.5s ease;
7 m1 L) h1 m$ W8 J5 J - transition: opacity 0.5s ease;% ~. @5 v, n6 Q6 M' ]
- width: 160px;& v$ r" N. Z. @& M5 F! L8 ~
- }
/ @& j7 s9 S0 I( t9 M) u$ l - .dropdown-menu a {
7 j# q7 \' u3 F# Q5 l$ ~2 w3 H - color: #fff;
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: H5 L a0 p& e' b6 @' S ~ - .dropdown-menu-item {
6 k* |" S7 N; r+ W8 d: Y8 Q! D - cursor: pointer;/ C6 \8 b. c; |+ ?- ?
- padding: 1em;
" w% w$ t* C, ]. ` - text-align: center;( r8 W0 h4 p, M; O! d& _* @
- }
$ c/ F1 V/ Y% p$ N3 ^5 w, U - .dropdown-menu-item:hover {
$ `! M5 S3 ]' w( p X6 P7 D2 U& n - background-color: #eb272d;
# E' D: m' k0 T - }
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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">) u J5 t0 q0 M e: k
- <!-- Checkbox toggle -->9 {1 l/ ]2 U( u% u- {5 S7 D5 d
- <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">
) c4 @& c' k$ g% }: b - <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>* t! F: D3 a7 t- B8 @
- <!-- Content to toggle from www.mfbuluo.com-->8 e5 u% n1 d) y& ~$ D
- <div role="toggle" class="toggle-content"> m# P2 Q6 J6 ]$ ], e k X
- BA-NA-NA-NA!' M4 T# B( o4 I3 [
- </div>" S; h0 b0 O; o, C
- </div>
复制代码CSS代码内容如下: - .toggle {% a7 x4 X0 |% s! c. J! b+ C
- margin: 0 auto;
" j2 _+ \( L1 Z - max-width: 400px;
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- .toggle-label {
j, q5 e3 d; b3 ~ - font-size: 16px; {) ?% D. y( T
- background: #fff;
5 p% ?5 ^5 E8 A+ \+ a4 Q# p - padding: 1em;
; R% V% Y7 ~9 H y - cursor: pointer;
% N( k: Y' O. u) }# x1 a - display: block;, H! t5 g3 N# u
- margin: 0 auto 1em;
@9 X( J, B+ n! X( ] - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);( J- @, f% l% f) E
- border-radius: 4px;
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- .toggle-label:after {
$ X; Y8 `( R+ `' {, [. \& W* K - color: #ED3E44;
$ N# ]: R5 X4 V/ ]. W - content: "+";
$ ]7 F( h% L( f* P B7 J - float: right;6 M0 W ^% e. ` I) E5 q
- font-weight: bold;
1 J& D, f* |1 d! W - }% { W% D9 I n6 D* ?7 Q+ r2 ^& K/ b
- .toggle-content {+ f! \% U u l; \
- color: #B0B3C2;
, m, C+ M7 J/ ~2 z1 f - font-family: monospace;1 C; F" N! u2 t& o, }5 W g
- font-size: 16px;
+ w+ c6 g7 `+ r3 j, l - margin-bottom: 1.5em;
' } `( a/ O5 m1 i/ Z L0 B - padding: 1em;
+ J- {: i' Y; u. o/ F e# }0 j - }4 A, F2 O) ^& T" r! L+ g. J
- .toggle-input {
% k( x7 U! b0 ~7 ?% ` - display: none;( l* O- z$ ?* L5 z% Q0 `, b' a
- }; H/ b0 A8 G3 G S0 R
- .toggle-input:not(checked) ~ .toggle-content {& b; @( ^: W( x, z7 q
- display: none;* M# x7 V5 P+ w+ f4 D h0 A/ J1 I |
- }& l2 i: p+ U& Q; S8 y% c
- .toggle-input:checked ~ .toggle-content {
. O$ e% f& u& h9 p# o6 y* d! J) ? - display: block;! r- M3 L& }. U1 p9 D( [
- }
2 j* F0 ]: C, c5 S - .toggle-input:checked ~ .toggle-label:after {
Y' r" \- t2 L - content: "-";
4 \; ?8 a! T! ^7 d/ V; l! o6 ? - }
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