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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!">
% Q- |. x1 e3 u! q+ _ - Label for your tooltip1 l; _6 K3 E" N
- </span>
复制代码CSS代码: - .tooltip-toggle {3 q5 |/ A" E4 v0 _3 B
- cursor: pointer;
% C) S1 J5 O% F* L- x7 z* e - position: relative;
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- .tooltip-toggle svg {; O! A- F5 ]* s3 O7 i
- height: 18px;
% y$ ^* m% J' X# S+ _ - width: 18px;7 F9 W7 \; N5 o9 b8 j3 Y- `
- padding-right: 0.5rem; Q2 q( v* X2 C% \
- }4 v; }8 U+ g+ b
- .tooltip-toggle::before {9 a0 @- \8 }9 x5 K
- position: absolute;
3 ^1 C y+ r2 w$ I; p - top: -80px;
7 e+ c. j B1 Q% y - left: -80px;
* V2 a- Y( P6 [2 x# D$ h - background-color: #2B222A;0 y/ N! p7 w! [% N0 F4 Y( l9 |
- border-radius: 5px;
6 Q5 U& z% M; x4 J2 F: S - color: #fff;
$ X5 }& A) u( E5 }; \ - content: attr(data-tooltip);
. y' G ^) r3 D# G0 c6 x% I# p - padding: 1rem;7 T7 D2 Z# Y- g* o) j
- text-transform: none;
) t. ?, P0 }% w8 d - -webkit-transition: all 0.5s ease;
+ I/ P. c( G" R1 d# p! ` - transition: all 0.5s ease;3 n, R) D+ M/ J+ X; f
- width: 160px;
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' i6 V4 y0 M3 l' n2 O - .tooltip-toggle::after {
$ J. Q4 }' G& L - position: absolute;
: `# W% D5 S" D+ x7 J \2 ? - top: -12px;* m$ P4 w2 [/ K% U5 O
- left: 9px;. e7 K. P$ M/ ^7 p% [' n/ S
- border-left: 5px solid transparent;# l0 U+ {" C0 D7 N" i
- border-right: 5px solid transparent;
& ^, u, e( b+ U A `1 W - border-top: 5px solid #2B222A;! F2 X0 [! o# S. a1 o* g8 [9 d/ N
- content: " ";
' q; }- q6 W. Y* ` - font-size: 0;
) m8 A: l, X3 ~8 O1 R# k - line-height: 0;
( g- U& i/ M3 D, f, D- d3 g4 { - margin-left: -5px;1 L4 X, D" |/ I# w2 y1 u! p
- width: 0;1 N+ [8 a' e7 O; ~3 `4 R$ W3 ^
- }
7 E1 K2 z- D8 p/ o3 \8 {! {" Z% K - .tooltip-toggle::before, .tooltip-toggle::after {# L8 E% D. }+ [4 r
- color: #efefef;/ E% _# [6 \1 H w; k0 L
- font-family: monospace;8 H# @/ j0 I6 N& P% E
- font-size: 16px;4 Z; M! w6 V, l6 z
- opacity: 0;
5 D6 R. D1 \0 v# X4 w! h0 I - pointer-events: none;9 Y' [9 z8 G) F) l
- text-align: center;2 }. P B3 W+ G( }8 c9 B
- }$ Q5 c8 b$ [) I' R5 }
- .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {
+ e2 Q3 N8 X8 B, N( j4 x0 j - opacity: 1;
' M0 d- z+ K* Z! }6 n3 X - -webkit-transition: all 0.75s ease;
# T6 [! j. x: @! F1 W4 m' [9 d: K - transition: all 0.75s ease;- I: T6 {. C$ } C
- }
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">
9 w5 q5 r* A2 X6 o: Z - <ul class="nav-items">
8 B1 f" J7 p8 ~% X9 s; e" w - <!-- Navigation -->
2 {$ @) }2 _& i2 t - <li class="nav-item"><a href="#">Home</a></li>
. h5 a5 `( }* Q( J: }6 T3 Z - <li class="nav-item"><a href="#">About</a></li>
" L" V! r& u- J: F) u% u - <li class="nav-item"><a href="#">Contact</a></li>
$ y2 n. X% r) @8 _" T# f* X* r - <!-- Dropdown menu -->
3 v% ]5 [; s; C9 E7 S# ]% z - <li class="nav-item nav-item-dropdown">
3 y% O3 c$ L+ }7 X0 J* ~ - <a class="dropdown-trigger" href="#">Settings</a>7 o4 \* [0 @1 c# f) t
- <ul class="dropdown-menu">% j+ {5 D0 ]3 h$ A
- <li class="dropdown-menu-item">
" y: w/ @; H, w% n+ R - <a href="#">Dropdown Item 1</a>! K' B3 ^3 `- w4 n3 H# V
- </li>3 n# M. K+ a1 J" U) U3 q
- <li class="dropdown-menu-item">+ a# B% U3 u' N( p, o/ F; U7 y
- <a href="#">Dropdown Item 2</a>
8 w, M$ a6 o) O& }* k - </li>" |0 P8 h" g! Z- g
- <li class="dropdown-menu-item">
& `" Y( \: Y) E: e0 Z; {# L$ \ - <a href="#">Dropdown Item 3</a># R% W' ]2 J" l" p
- </li>6 @' s9 k& D7 b. q& Y; N
- </ul>
4 V, ~% A! e' I- q& ~% F - </li>. m$ X; r L v+ l6 D6 _# b
- </ul>' U. q# g8 E* I9 L0 Y9 K
- </div>
复制代码对应的CSS代码如下: - .nav-container {
& q1 d4 n* z$ g/ S2 a$ Q4 t - background-color: #fff;5 ^8 _* f ^ X$ n. G9 R+ j5 x0 H
- border-radius: 4px;3 S3 t# d! w7 J1 O# O
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);3 Y$ \. U7 o+ ]( d" x8 P
- padding: 1em;
' ]; o; [1 B s2 k$ d! Z: K( F - border: 1px solid #eee;* {2 G' o: S# u4 A
- display: block;
. k% P2 d ]" ]; p* ~ - max-width: 400px;
5 a0 Q( `( F: o& ^* a! L% {; s - margin: 0 auto;1 U$ o" J6 d7 @, c* o7 D5 G
- text-align: center;
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- ul,
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- list-style: none;7 u& V3 N! Y/ F9 N
- -webkit-padding-start: 0;
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- a {
; [. j P0 ^: Q0 g& X - text-decoration: none;
+ u& \ u9 j( d - color: #ED3E44;
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6 a$ g/ B# J0 H2 @: Y' {$ `- a - .nav-item {
9 M' Y9 D" E1 K6 X) x6 ~8 G" A - padding: 1em;
& o/ x+ [( K0 N- z' E0 j - display: inline;6 M/ {& X6 c& s: }! G; D& b
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- .nav-item-dropdown {3 b- o$ k/ \. B' V6 {' E: ^+ W
- position: relative;
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. h9 S0 M4 l* E2 U - .nav-item-dropdown:hover > .dropdown-menu {
" f1 N& _. C& i1 G - display: block;! q3 M$ r+ A( ~, n2 ~
- opacity: 1;
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- .dropdown-trigger {
1 H! z, x7 r# [2 @8 v0 t - position: relative;
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: E M0 L! R# P7 G - .dropdown-trigger:focus + .dropdown-menu {9 z+ `2 ?* t9 q; H; P/ C0 h
- display: block;' y6 d7 M; @) u0 I# \7 \
- opacity: 1;$ B& _9 F1 j$ @8 T/ k0 F y
- }
- y1 p( e& S( k+ n) _ - .dropdown-trigger::after {
. B8 n+ M5 [" b3 s- f - content: "›";
/ B' O) c- C! Q+ d6 ` - position: absolute;
# n$ {2 E6 R( A, p - color: #ED3E44;! ~' P9 r2 M" n6 S; Q- u
- font-size: 24px;6 Y, P2 _, D0 I3 b* h3 `
- font-weight: bold;: P4 V5 I3 y( ?5 y- B2 p$ @
- -webkit-transform: rotate(90deg);
0 n, m' J& j8 q - transform: rotate(90deg);' W0 u2 Y2 |) f; E
- top: -5px;
" ^' N4 z$ P# r# j( z8 } - right: -15px;+ X( ]" I) [$ {5 q; Q5 h, F
- }
9 A' I1 L+ W# C' r - .dropdown-menu {2 p' d0 G4 q) O4 `) k5 R# r
- background-color: #ED3E44;
% a: c: ]. {4 b+ ~/ E9 @4 C# \ - display: inline-block;
# R+ r0 u, t- i% o* v - text-align: right;: X. O- ]. S5 s8 W3 } c
- position: absolute;
: E+ H0 W, ^) s! c% x - top: 2.5rem;
: P- k3 _& L5 S/ a - right: -10px;
( p& l; K% w2 m3 f3 I& q - display: none;+ U# c. z9 e& F0 y( P( A2 x5 I
- opacity: 0;
7 N) R* i) z. I - -webkit-transition: opacity 0.5s ease;
" Z; @6 A; c5 U' l5 P( Q% A+ G - transition: opacity 0.5s ease;. w! M. Z( q: Q* x0 y" S! _1 {
- width: 160px;+ h6 [- K! v) x- C" R- Y
- }
+ H9 w ?$ E/ Z( o$ O/ [# \5 Q - .dropdown-menu a {# Q6 t. m0 l- w* G! F
- color: #fff;
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- .dropdown-menu-item {9 ?, Z) c8 t( G* z1 b: V! N
- cursor: pointer;
( P6 {% _4 l) x2 E5 e2 c0 }4 Y - padding: 1em;
/ u7 S5 a% N- a9 b+ Q2 @. ~2 \ - text-align: center;7 r1 H) ^- v8 T- U5 Q# x
- }, u4 Q, L2 o5 J/ A: N
- .dropdown-menu-item:hover {- i4 G" s3 D1 i9 Q5 ~, x0 h% Q+ f. }% H
- background-color: #eb272d;2 u3 n6 H3 X" r( i' J! @7 C
- }
复制代码 : e: O6 a; d/ g% S& q, K
可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">: ]0 u2 R( g3 X! y' p
- <!-- Checkbox toggle -->9 L7 w: J. Y+ L- q" C0 ]
- <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">1 B( _; ^; f5 u) Y' ]6 P3 \# f
- <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>( K7 b, `- a+ Y- A7 s8 l
- <!-- Content to toggle from www.mfbuluo.com-->, C% R e# s# I9 |- I7 L
- <div role="toggle" class="toggle-content">
) F1 i4 m2 ~9 k) z1 p+ m, g- F - BA-NA-NA-NA!
6 U5 y$ \& D! p; O0 Y - </div>0 x6 E& F& y3 u0 T+ s5 v' L
- </div>
复制代码CSS代码内容如下: - .toggle {
4 }% h g3 e6 ]0 e8 S - margin: 0 auto;0 p+ t( x* z% j* z
- max-width: 400px;
7 V& _8 z2 Q' i& Z - }
) O2 b: N8 G7 a4 }# {) | - .toggle-label {
6 w4 t0 N5 C" T2 E1 l! v - font-size: 16px;
. [0 M% _+ ?+ w6 [# | - background: #fff;. ]! Q8 v `4 x; Y
- padding: 1em;
: r+ `8 g- h% @0 y5 k | - cursor: pointer;
0 L( J* b3 f% R' I9 i - display: block;) M4 P% m3 \8 U
- margin: 0 auto 1em;
* w z& T% @8 y/ D k! @5 I- P - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
: J* M4 c% y% d/ t8 R0 G, y% P" L" Z! | - border-radius: 4px;/ j1 ]0 X; j- W3 S3 X) {7 w8 N5 F
- }8 a# y6 W ~3 ]
- .toggle-label:after {; F4 ~) c2 _6 C$ e# s) R
- color: #ED3E44;, Y/ f. S% l# Y/ r3 N
- content: "+";
# b/ m _9 Q' m& t" E7 o4 I' N, t1 v - float: right;
* z0 m% S) L. d- a6 U - font-weight: bold;+ y% l. D0 a$ t# }9 q* N; M
- }4 z0 h8 S! J' \, w; i4 X( J
- .toggle-content {6 s; D! C, q9 C' E a0 p
- color: #B0B3C2;$ ?* F% w k; a$ |5 t; ~& X
- font-family: monospace;
3 r$ W5 z# `* d4 ^9 j - font-size: 16px;
; k7 e4 d3 x: h4 U% E5 X/ d - margin-bottom: 1.5em;% A5 X- O9 F0 R) _1 N% u, c, ?
- padding: 1em;8 g. v/ M3 g- g
- }
" v* Y" w: D8 w) \ - .toggle-input {7 O; i. U- s T7 S) W4 A) D
- display: none;
; Q1 ?7 {9 e- y# G& b - }1 S, k* @; q: m! N! o0 Z- Y8 }
- .toggle-input:not(checked) ~ .toggle-content {
! v% b% _/ `8 g2 B - display: none;, h# G1 C" k1 I5 L. s8 U
- }+ t+ O! i0 m& `5 k* |. v$ E3 ]1 Y9 h
- .toggle-input:checked ~ .toggle-content {
% [* v. U: e3 z) B/ d4 d - display: block;
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- .toggle-input:checked ~ .toggle-label:after {
8 y9 c& O- X, i$ K) K. \2 C" h - content: "-";
7 U' Z) ?+ E# r n - }
复制代码 ! C) E6 x5 w2 \9 M; `9 B1 L
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