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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!">' `% Q6 p' ~& ^; U& f' i# }! u/ s
- Label for your tooltip' m+ q" P5 T, V0 s
- </span>
复制代码CSS代码: - .tooltip-toggle {0 x+ n& r4 e$ ?' F
- cursor: pointer;
. ?% f& P& G# f, W - position: relative;
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. |/ x: o% M+ w: n - .tooltip-toggle svg {0 [8 ^7 y0 l+ J5 O' F0 I# C! D
- height: 18px;* q* f" t: a, v
- width: 18px;
4 O- H: S0 Y$ h# ? - padding-right: 0.5rem;: Z" |* u2 H \' K
- }
; p( k& e7 O& W3 Z - .tooltip-toggle::before {
9 h( {: E: O: D9 |: ~0 }0 x - position: absolute;
" u& s( l% N. E% j! N$ D - top: -80px;
# l, c" E3 d+ O - left: -80px;4 r4 u- a$ m2 x, K+ E4 W0 b2 e
- background-color: #2B222A;
* m9 u' {3 b9 p u - border-radius: 5px;" X* V7 w/ p& ` H7 Y+ d" q$ n$ J
- color: #fff;; K) \1 Q0 c4 K5 A4 x
- content: attr(data-tooltip);
' J! X2 _* c/ [; N - padding: 1rem;
8 d, p( N! w8 Q% g1 H - text-transform: none;3 B4 E4 g3 Q* H; C: q7 T8 F9 z& ]
- -webkit-transition: all 0.5s ease;
: J2 h0 Z; ?" s8 ]3 L; P( { - transition: all 0.5s ease;3 w: U4 f* _5 M' r& c
- width: 160px;/ X) t$ d4 y+ b7 f+ f
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- .tooltip-toggle::after { ^ U/ z( H+ A P8 l+ x
- position: absolute;+ J1 h4 X1 k: F5 `
- top: -12px;
+ a, o9 s6 t& [ - left: 9px;% ], ?/ P/ Z0 r( F. r8 B+ v
- border-left: 5px solid transparent;
! [; \2 `/ u9 C - border-right: 5px solid transparent;5 ?# z1 [0 Q& l
- border-top: 5px solid #2B222A;- V P5 s* D6 [1 g5 M, P: D3 n
- content: " ";
: f8 E U0 K: H! x - font-size: 0;
+ H2 O6 \# `: v5 U$ T$ w) d a - line-height: 0;: \/ j2 `0 b! b$ o
- margin-left: -5px;) ]' G- B: g, B% v# U% x
- width: 0;' B% V- o" o( \
- }
5 G4 X* c' e+ G- r3 g) u) _: c3 M - .tooltip-toggle::before, .tooltip-toggle::after {# c: a+ J* Q/ T7 }2 I
- color: #efefef;
& }- F7 d* k' H& q# w - font-family: monospace;
; c1 J5 [# U' \3 X9 h# s - font-size: 16px;
' {; k( N7 H! D6 n- W - opacity: 0;, s! X2 j1 N d
- pointer-events: none;
/ H( W J+ b5 A" ?( @( @ - text-align: center;
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+ i0 O k+ b' R1 Y. M! Z1 V - .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {
. U5 D+ a; f- S2 ^/ A. d - opacity: 1;- M) D* _9 O8 o& E9 |7 O! z' b
- -webkit-transition: all 0.75s ease;
( a7 M* t. t3 y! P2 s2 H8 p - transition: all 0.75s ease;
( y6 k% } d/ M- }1 s ?9 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">6 V ?3 k- F# f/ p! n0 B- ^% A
- <ul class="nav-items">- h5 e# _0 Q' Y* {3 Y' Y8 }. c
- <!-- Navigation -->
4 O; W# B& f, t8 I9 R# \# D - <li class="nav-item"><a href="#">Home</a></li>4 m* Q+ l2 L! V- g" j) Z
- <li class="nav-item"><a href="#">About</a></li>; c. u# ^$ `6 v8 \: [. d
- <li class="nav-item"><a href="#">Contact</a></li>. b& ]7 l! T( U. S$ G$ |
- <!-- Dropdown menu -->
0 v+ o# d$ x+ t - <li class="nav-item nav-item-dropdown">
8 E. w9 J P, d$ [+ H. Y! @ - <a class="dropdown-trigger" href="#">Settings</a>2 g( p* i9 b5 I8 @& _
- <ul class="dropdown-menu">4 U# [' p. N' g+ F2 d" ~
- <li class="dropdown-menu-item">* j6 V6 I2 ]. _ A1 c$ M
- <a href="#">Dropdown Item 1</a>
, f5 c% X! O' |( y; r - </li>3 v$ H: c: \0 a2 {
- <li class="dropdown-menu-item">
6 v3 [8 q5 w2 u, k" O g! Z - <a href="#">Dropdown Item 2</a> {# ~$ ]/ q' u' t4 t
- </li>
5 x2 e7 Z: H2 K Z6 P - <li class="dropdown-menu-item">
$ Y" q3 f+ B7 `% c* f - <a href="#">Dropdown Item 3</a>
2 }& j& }8 Z9 W& n - </li>
) F" W+ l9 N' n9 Q9 B, g" b - </ul>
0 L! ?5 g) g' S7 A - </li>" K; x! I% o8 T( |$ v
- </ul>
D- e* L {$ y5 ^* o0 E - </div>
复制代码对应的CSS代码如下: - .nav-container {0 D" a* _+ C- Y( z: X
- background-color: #fff;+ f2 i; g$ t& I3 w+ B6 S/ a
- border-radius: 4px;7 q- Y' T3 o" _/ ^" ]0 F- l' O' S
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
+ E) z' k" p, B/ ?( { - padding: 1em;
5 c6 S0 `: d. a A' U& s - border: 1px solid #eee;
4 W$ Z6 x ?% t& u( l+ ^! K - display: block;
$ D# j' ~5 K2 H$ V4 K4 P! c' J - max-width: 400px;
^2 t! C' u1 a4 [ _: b5 @3 ^ - margin: 0 auto;9 w0 e8 \$ X3 W' t9 ?
- text-align: center;
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- ul,
4 J3 w' g9 b4 ]; Y( @4 |+ _1 I! H5 k - li {
* F" m- A1 C% w) Y( m8 v - list-style: none;
3 T4 q2 z O5 A) b$ e2 S - -webkit-padding-start: 0;3 ]! w4 T" S# m- d
- }
( v+ v6 Y1 T, Y$ ~! O - a {
# s: i, ]$ K% Q9 d f; y1 A - text-decoration: none;* [9 ]" g8 e! }9 _. p
- color: #ED3E44;1 p, [, K/ }" O/ ^0 c0 a/ l
- }
! _, u, D. i L, U2 {& @ - .nav-item {) t) K* [5 z" L6 z+ }$ P' ?
- padding: 1em;) s* |5 c% |: a; I
- display: inline;( j( V' V# z# c' O" \
- }, B$ O! H" O; z
- .nav-item-dropdown {& r0 }) `6 q9 b/ w9 ~& n- m
- position: relative;& c0 R8 F- i8 X
- }
4 D* o8 o' m: \7 p$ C1 o - .nav-item-dropdown:hover > .dropdown-menu {+ S& [2 }' z) i: u% o
- display: block;
3 D5 H& _. g* v1 i - opacity: 1;7 y; u" |9 ~ x8 I- J4 _/ O5 r/ q
- }6 S2 m* J* d% a
- .dropdown-trigger {+ i0 C7 |- {; V; P8 r
- position: relative;
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- .dropdown-trigger:focus + .dropdown-menu {% P) L4 w) w7 {% j0 D, }) Q, L
- display: block;6 i }# A7 a0 {6 h2 ?8 Z0 F
- opacity: 1;
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: |& c8 H6 I' }% r0 y3 J: x& H8 R - .dropdown-trigger::after {& p9 s9 |* r5 L7 b
- content: "›";7 \$ P$ z9 N, n% k$ j {' u6 t
- position: absolute;
2 J X" I# |, i" v6 P - color: #ED3E44;
( w+ `( ?5 a6 V0 N' T8 D - font-size: 24px;( m& ~/ e5 X% H9 N8 j
- font-weight: bold;5 ^8 d6 o6 g2 J$ q7 f
- -webkit-transform: rotate(90deg);: ^- D( t/ Q; S% p" \( y( b7 ]
- transform: rotate(90deg);
" v$ c8 f0 Q+ F' \, C/ {" ? - top: -5px;6 _6 C. ~5 @- b( a6 J) |+ j) A
- right: -15px;
+ V5 k, X: Q- ~ - } f' {% y+ e P. }- _/ l+ T
- .dropdown-menu {
7 J. R/ u, }1 ~% x: _4 P6 W - background-color: #ED3E44;
8 Q0 q; h! I; a$ ~- M4 {4 @ - display: inline-block;0 m$ v* d# F% I1 [4 @
- text-align: right;7 K$ G4 V1 L* v; b& @1 I
- position: absolute;
( d7 \, e& C( `) t# }' C - top: 2.5rem;
% U) P1 p+ l, J4 |( e% x - right: -10px;1 G3 V& }" {6 S2 ]6 u
- display: none;
" \% _1 W2 A& \5 K: B - opacity: 0;2 A. Z3 j3 U, b+ ]! v% F
- -webkit-transition: opacity 0.5s ease;
! c! L8 } W" Y) z - transition: opacity 0.5s ease;
& `+ y4 \5 ~" i+ f: w+ | - width: 160px;2 j/ E' P6 m6 \) u
- }7 F$ a+ X; Q x2 _% [% C
- .dropdown-menu a {& ?, y O& ^- L- @' b# k
- color: #fff;
; \; P" \& E. V1 L" f6 o - }
! p% K+ z, C: F/ X, H% |% M S - .dropdown-menu-item {
! H/ U$ r5 T+ Q4 ~1 e g: q - cursor: pointer;# Z: |" b+ k( J
- padding: 1em;
/ l. w5 Q& A5 r, \0 _ - text-align: center;
% m5 [* g* B/ d1 l7 J5 I& i - }- H: }) ?1 Z- P* ?/ ]: u6 U6 l
- .dropdown-menu-item:hover {
. t; E: J8 v7 m; T: V9 G) g( y! T - background-color: #eb272d;3 n, s0 _$ |/ n9 V
- }
复制代码
4 |8 x; B$ E. w' ?, x% U0 {可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">/ M/ x% t9 c7 p' }- L
- <!-- Checkbox toggle --> J+ C- g6 P" m; M: b- V3 M
- <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">* M) c6 ~5 B- f4 H$ |' X8 M
- <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>
# d5 r5 ?+ e ~$ \2 E% | - <!-- Content to toggle from www.mfbuluo.com-->
( E+ `$ r) h3 l/ T S) c, s - <div role="toggle" class="toggle-content">% @2 A; r- X* R" D
- BA-NA-NA-NA!8 h& e. b6 ~: }9 H; a0 [
- </div>2 z5 b7 {. y2 H
- </div>
复制代码CSS代码内容如下: - .toggle {( F$ _$ Y! r/ C# q2 X% e& ?+ e
- margin: 0 auto;- D# r: R0 }& n3 s! Q; D
- max-width: 400px;9 M. e4 L+ a: _9 X- Z+ C0 N
- }
% a) {0 M* x( A1 v x( @1 [( q - .toggle-label {8 H, t6 u2 }6 d9 B( F0 W
- font-size: 16px;
( m+ [7 j& X3 x - background: #fff;5 f" a, W" l, z. ~- e; V' h+ S8 h) p
- padding: 1em;4 z! k1 E& x( [3 @4 d$ r
- cursor: pointer;% b7 A9 \' Q* w1 g/ Q
- display: block;0 N0 Q: V7 K4 ^* T7 ?( b2 C8 c
- margin: 0 auto 1em;
7 }; G- P0 a3 D7 S - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
9 X/ C& [8 A. Q6 R" c& c- ^& l( O8 K - border-radius: 4px;
1 B$ _/ Y) i* M. b- _! G; ] - }
4 D, e& z; x1 X( ?. G/ ` - .toggle-label:after {
" u( h' x8 W2 v/ t& I - color: #ED3E44;
A$ e. x8 Q2 L6 ^: w! _5 q. C# h/ ~ - content: "+";% S& z: i4 F1 o1 X7 z$ ^0 Z
- float: right;- E5 E+ @; y8 x0 u
- font-weight: bold;
' c" r; F0 P3 }/ E - }( @5 e* s+ R% X
- .toggle-content {
; H. o a6 P' f - color: #B0B3C2;
! I! B7 t( Q; x; L7 F/ n - font-family: monospace;+ I4 i' n. z; P2 B/ [* t% W! \
- font-size: 16px;
6 a" y$ C/ C& J0 X) e7 R - margin-bottom: 1.5em;
& u3 i( O' C6 @ - padding: 1em;
0 X2 T- D/ v1 v7 W - }
: e. z) O7 {( \ - .toggle-input {# \; _: ]3 D' G5 `- c
- display: none;2 K; t( I1 o! @* ~+ t
- }1 D& V2 l: X7 C
- .toggle-input:not(checked) ~ .toggle-content {
) A) U( g h( j9 t0 b - display: none;
7 v" T9 o" u6 b5 z - }
5 f" `' ]9 C$ Q% r) s8 O3 V - .toggle-input:checked ~ .toggle-content {
' u( D j X) e - display: block;
0 L$ q, q0 W( |# m u$ ~ - }
! n4 ~6 h$ M7 L7 H0 `$ b0 V - .toggle-input:checked ~ .toggle-label:after {
/ A; v+ p+ P* c - content: "-";
. I9 k8 \$ }) G; }/ e1 K" U - }
复制代码 % s2 _( H$ \* q' |
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