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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!">3 @% |: w* c7 G$ U& U5 q/ }. N+ s/ N
- Label for your tooltip; e4 Y+ u+ g8 S, p- v$ v/ w
- </span>
复制代码CSS代码: - .tooltip-toggle {$ D e) x; @1 P/ `
- cursor: pointer;/ m; g- ]! g; P! t; F" A
- position: relative;6 r; e5 A5 [1 S o* d1 W
- }
* s+ J+ W6 O6 e) h$ a - .tooltip-toggle svg {; f# k* M3 h: I9 e- a2 j( g/ I
- height: 18px;0 E' R4 e$ w- I! }0 X b+ F
- width: 18px;: a" }& P x3 {+ R7 P
- padding-right: 0.5rem;' y5 r" p+ D0 v7 L5 h; a3 D) Q5 ]) M' ~
- }
# q9 i* n1 Z' n1 Z - .tooltip-toggle::before {
( m. [) M1 \1 l- _* ~* n - position: absolute;2 {5 Y9 y8 ?; d- R! x( `2 a. c
- top: -80px;$ o5 o1 ]# Q y/ @/ G* ~- p* O
- left: -80px;0 H' O7 y( g9 I( L8 T. J" Q
- background-color: #2B222A;
* S, R7 z9 j# ?1 f2 N+ m - border-radius: 5px;- e8 W* Y# g% d
- color: #fff;
* h( b& @2 Z3 ~+ m: I2 l - content: attr(data-tooltip);
' Q4 d' i9 _; @ - padding: 1rem;* Y# o7 U2 `/ I! t
- text-transform: none;% j; }8 u2 Z5 n5 w b: a: i
- -webkit-transition: all 0.5s ease;1 a7 b( ~% n8 N$ Z/ U
- transition: all 0.5s ease;4 [& Y( A( ~* Q& y9 T7 K9 B% l$ u
- width: 160px;) [6 I$ n% }# z! q% r; o7 ]
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- .tooltip-toggle::after {
' E3 U* p( d; g9 m: |% L) B - position: absolute;5 h+ z6 g% N2 _9 |: N
- top: -12px;
T3 @1 a2 M1 h' D/ I0 E - left: 9px;
/ w" h& D) y/ a$ j% B6 R - border-left: 5px solid transparent;0 _! @: [* Q! v
- border-right: 5px solid transparent;6 o G: F% }1 t2 y; b
- border-top: 5px solid #2B222A;) r$ y/ i) O2 e$ u
- content: " ";! Z! K2 o' X0 V' O& f# H/ H
- font-size: 0;7 a/ K$ }* \! s; t
- line-height: 0;
( F8 D$ I9 a3 q+ ?/ J$ x% Q2 Q& D - margin-left: -5px;! a3 u2 w9 A% y m: {! b4 D
- width: 0;
- b7 h3 | J7 k) H3 n - }
/ z* [: G; F1 X! Q7 y1 M$ u - .tooltip-toggle::before, .tooltip-toggle::after {# Y" e- Q' l9 ~, _0 I1 |
- color: #efefef;
( ^+ f" A" q4 w - font-family: monospace;
7 q4 V! l( e; m - font-size: 16px;, ?; L0 T/ j1 ?* W: o7 F5 A
- opacity: 0;
) n0 H- O% o z" Q/ o) b# `+ G - pointer-events: none;
m! l9 e8 x; v1 u( h/ c3 n& Z& R - text-align: center;
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- .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {8 A" _# n0 A P
- opacity: 1;
, B x3 p9 r/ V* ?' \ - -webkit-transition: all 0.75s ease;
* H$ k' q* c& ?/ O# {7 K; J- n- R - transition: all 0.75s ease;
" h a0 V! Q0 X( ^& W/ [ - }
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">- T2 g* |3 p. r# F, W9 \1 d
- <ul class="nav-items">( M* N' v: V7 ?9 `; H% D* h; ^
- <!-- Navigation -->
: o: s* X- Y0 |3 E6 b/ R% {! \5 Y - <li class="nav-item"><a href="#">Home</a></li>9 T& X2 A( S o, J
- <li class="nav-item"><a href="#">About</a></li>3 W& w v3 } l* l* o
- <li class="nav-item"><a href="#">Contact</a></li>
1 {7 F8 _9 R$ [8 m - <!-- Dropdown menu -->
: ?* Q' y# y/ T! L( c) X - <li class="nav-item nav-item-dropdown">
* [) @# ^9 E: k5 s" z - <a class="dropdown-trigger" href="#">Settings</a>) X7 a. G D" m6 ^2 @0 E
- <ul class="dropdown-menu">
2 [5 r. i! u0 u9 V/ S' x# F - <li class="dropdown-menu-item">
4 i$ ? o; N% ]# S _/ H& _ - <a href="#">Dropdown Item 1</a>5 L) T' s. X) q1 Q9 s6 z! }1 U
- </li>3 ~/ e# L6 n. ^9 v/ n. _
- <li class="dropdown-menu-item">9 H0 R, t7 Q6 ]7 @/ E- K/ W) t
- <a href="#">Dropdown Item 2</a>
6 [' M: f4 ?: Y7 J - </li>) V! T1 V) f$ Y" V* u5 e$ a
- <li class="dropdown-menu-item">
" c+ P3 n9 h3 P - <a href="#">Dropdown Item 3</a>
* w, ^% N5 T/ S4 U; F0 m. v - </li>7 Z. Z% M7 n& x/ t4 G% C! D8 W
- </ul>$ T1 |: ^( y$ Q& N. o
- </li>
5 `9 y8 u8 u( t - </ul>" G4 v7 P5 k% j4 i$ _
- </div>
复制代码对应的CSS代码如下: - .nav-container {
7 `8 @0 o6 s8 j - background-color: #fff;
" L4 B+ T! c6 v: |' ?: \1 \ - border-radius: 4px;
; Q* z% B) i8 W - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
: ~6 \7 X7 ~; k @: a - padding: 1em;
3 S$ x5 P' J0 L7 ^5 i% O4 e - border: 1px solid #eee;
8 F5 }+ \* B( | - display: block;
# z3 j4 x+ _8 e" G7 j - max-width: 400px;
& k; d% O# P6 E/ Y - margin: 0 auto;
: ^0 ~( ^8 \( | - text-align: center;
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! p$ Q, W* c! f) @, y- O7 a - ul,
5 G& e: t5 \; C* Q - li {: q$ S" g0 c; s) V
- list-style: none;+ ~3 H/ b2 u1 x5 _. ~
- -webkit-padding-start: 0;
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- text-decoration: none;& V% I( k9 N* [4 ~+ @
- color: #ED3E44;
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. ^. g; G3 ~1 C0 U - .nav-item {" u$ [/ H) |' d5 R2 g, P
- padding: 1em;( W7 s) i, x( `; K: x3 N
- display: inline;% p9 ?5 s" }+ U+ B( Y+ M
- } V0 \: h4 J* h6 I* q. {' p
- .nav-item-dropdown {6 j4 [. C4 k! x; T% |; H3 ~
- position: relative;
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3 ]+ Y& b9 _/ R" B - .nav-item-dropdown:hover > .dropdown-menu {; u6 `: \3 G- W }: _. X* B
- display: block;# m% s0 }5 d) \8 z
- opacity: 1;
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- .dropdown-trigger {- C; Q6 F6 o; [% \" c( D
- position: relative;
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- .dropdown-trigger:focus + .dropdown-menu {
2 d6 g% a3 _, H$ N9 A7 _$ g* N - display: block;+ T2 t7 |* t2 g
- opacity: 1;
0 b/ M) M: V9 F* q$ G2 d- x* W - }
3 A: K7 P1 m J' o9 {# S" O - .dropdown-trigger::after {
+ h8 X4 J' g1 s y \# X6 O - content: "›";# r u+ V2 i9 c" t
- position: absolute;# {% _1 _% l- Y2 @/ K% N
- color: #ED3E44;
* `+ ?# F' u7 e& x* A" x - font-size: 24px;
. U( L2 i( e+ \5 n* B: a& P. y } - font-weight: bold;; Z3 R8 W( P | V3 E( F
- -webkit-transform: rotate(90deg);4 r& |$ I4 [' }( p# p- E
- transform: rotate(90deg);
* f$ q6 }! M. x- y7 d - top: -5px;
+ A& x) N, M; C7 Q W+ K- a8 S - right: -15px;% _ C' S9 q: t' _3 L D
- }
& N, \3 L# d) _& I1 x - .dropdown-menu {0 S' F- j. A; x t
- background-color: #ED3E44;
2 C; v" ^% `* W6 {" I! D9 W4 q3 Q - display: inline-block;: v& X6 T: L8 g0 E, {: ~
- text-align: right;
, B* j; f- V* T' A. @. O - position: absolute;
f! ~% I7 H, X. A" ^4 `% a7 @ - top: 2.5rem;/ j9 t; t4 ~. u- W: m- I- t
- right: -10px;( q- d2 Y9 h. x6 [' R
- display: none;
* }- m# L }4 {1 Y7 y" J/ J0 s - opacity: 0;8 ^8 Z$ X* L1 O/ Y- C: k8 W
- -webkit-transition: opacity 0.5s ease;$ I) @9 @: A7 H6 e& ]
- transition: opacity 0.5s ease;
5 C$ Z. V" s# Z - width: 160px;
/ K+ f0 M) \7 h7 a+ [2 e - }
1 v. o! m5 K9 V - .dropdown-menu a {! F6 v& v( ]" r, ?% ^
- color: #fff;
/ a$ t- g' @$ t# X* P# _% J; }8 ` - }" [9 [! e7 @1 T, s
- .dropdown-menu-item {
/ f7 T7 V0 \: L* c! [" v" ]& L6 C! C - cursor: pointer;4 e% X9 U: V+ Z
- padding: 1em;
8 G; ?3 A, M( E6 C+ {2 Y& D A5 ^+ Y - text-align: center;8 u3 n; ^6 R: C( ]! l
- }( c/ _) u9 w, k5 d1 J/ T
- .dropdown-menu-item:hover {' u7 M2 @% T& b( s# l. e5 ~
- background-color: #eb272d;5 m5 }# h$ o' l4 ^8 K( N, g
- }
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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">1 j& ]4 }6 v' w6 h7 V
- <!-- Checkbox toggle -->
* s8 q# S# L/ R. z+ z9 a8 N - <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">$ x8 G( `- X+ \7 M2 m% ?
- <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>: L$ ^9 s. @* |9 ^, K
- <!-- Content to toggle from www.mfbuluo.com-->
5 J, Y& M# }4 z6 [ g/ q. O: P. m) H - <div role="toggle" class="toggle-content">3 C7 C$ L# z( D5 a
- BA-NA-NA-NA!, P; [# T" Q4 C+ V, z
- </div>
* C% y7 `/ F# r5 D" o* N - </div>
复制代码CSS代码内容如下: - .toggle {
$ R1 C, M/ a/ L7 f# x - margin: 0 auto;
' f# ?0 x( Q1 f0 s - max-width: 400px;. V( I2 n$ D4 R( ~
- }/ b; ?/ f0 W+ c& y1 s
- .toggle-label {& n5 v y2 E* X4 w
- font-size: 16px;
( N" P& t6 @7 E5 {8 B2 b9 H; M' B - background: #fff;) [7 f# P5 T2 i1 `" y* m
- padding: 1em;
% e$ q5 Z" t% d5 m4 h. s4 Y7 H - cursor: pointer;
9 I4 f+ k3 T9 f' H7 y, F' } - display: block;
. }1 I) p- |3 A* Z% j3 b. b - margin: 0 auto 1em;3 s! \+ R9 r, b2 F
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
" H' x8 `1 I9 C) [, v( X7 p - border-radius: 4px;0 F, p4 M" Q( A: q* Q; y
- } {' D" H& J' w/ N4 r) A0 v- |
- .toggle-label:after {
}) y6 t( C' Q0 F$ ?9 a: z - color: #ED3E44;, L i, X8 H: r+ ?$ O; m
- content: "+";) i6 P/ N- n! L9 R$ m
- float: right;
k0 O% O( A/ K: O9 n+ a8 U - font-weight: bold;% R1 O' ~! H2 e; t* f1 e
- }
+ n3 d v, R. w! L - .toggle-content {
6 t5 H- p' h6 a4 U6 Z; J& F; B% c, ^ - color: #B0B3C2;0 S0 e& F& Y3 L, q4 _0 z+ y
- font-family: monospace;1 w6 Q1 h9 E0 s
- font-size: 16px;
; G8 }+ X2 P. x7 U! ~6 y- U, u: w - margin-bottom: 1.5em;- C2 ?! k! D# \8 t* @
- padding: 1em;. z; d( a& X& O# K
- }, H: k7 v6 F0 [
- .toggle-input {' ], T8 r; G% \3 z3 v8 x
- display: none;: [* o4 ~' v. C9 @4 j
- }
) P+ A C' I/ ]$ J8 ]" J( M - .toggle-input:not(checked) ~ .toggle-content {
# X& A0 Y, L* U/ Y$ _ - display: none;0 R# `! D" z' P, N
- }3 ^* h" \$ l& F4 `
- .toggle-input:checked ~ .toggle-content {
& _# z' Z5 C9 @8 v - display: block;
2 [% Z6 o9 I) {( ]# F' m0 k$ E - }
; c. {* D$ {$ S - .toggle-input:checked ~ .toggle-label:after {3 V, B2 Z, n8 {5 \ l+ X* L
- content: "-";2 }8 {: p t5 O& O: h$ r
- }
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