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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!">+ T1 d* w& [$ X3 E5 \% q J9 y+ P
- Label for your tooltip
- C7 N/ o* Y1 ~2 n2 e) W - </span>
复制代码CSS代码: - .tooltip-toggle {9 m9 N; Y! x% ]1 _
- cursor: pointer;
+ D2 J: x/ [1 f2 }* E" d - position: relative;
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- .tooltip-toggle svg {/ Y6 t4 f" s! S+ F
- height: 18px;; p4 a4 P" s3 [) I1 K
- width: 18px;
2 J0 A/ D5 p8 E2 { b! ]5 V - padding-right: 0.5rem;$ t$ e' K2 b; C& A B
- }( u* A( G$ z1 n* J
- .tooltip-toggle::before {
3 s. _$ U: H/ b$ r0 U" h - position: absolute;
+ Q; `7 \- W4 k! D - top: -80px;1 l' W2 t% T3 |3 u2 I
- left: -80px;
, a& E3 b$ v* I9 p1 R2 r - background-color: #2B222A;6 q5 n& }. ?4 U; e4 I' m
- border-radius: 5px;
* I: W u9 q1 E& K/ U. i( @! a% G - color: #fff;
1 ?/ y' a' a9 x; d - content: attr(data-tooltip);* x9 B" p; P/ k- l; T1 d1 m; M
- padding: 1rem;" z" E- @7 d0 F& ^9 O
- text-transform: none;
8 L% U1 P. N7 I6 V - -webkit-transition: all 0.5s ease;
) C7 X, U# m0 A+ U v' K - transition: all 0.5s ease;
" w' o7 Q0 |- [ - width: 160px;
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- .tooltip-toggle::after {7 Z, q" f& s% C3 @$ N! j) E
- position: absolute;) M4 `9 x) o3 }; A2 W6 K& s c" D
- top: -12px;* B- e+ \2 e5 a; v
- left: 9px;
2 t" A N F/ B: w& V( u; O - border-left: 5px solid transparent;
9 ^* {. h6 A+ p+ X" M/ D: \7 e4 T: P - border-right: 5px solid transparent;
- W4 _% e& b( C2 e U - border-top: 5px solid #2B222A;' ^1 R/ R& c, p
- content: " ";
, [6 B1 B9 I) C3 C( d& D% ^ - font-size: 0;
! X- v$ V4 Y8 o1 f( a7 I - line-height: 0;0 g% c p* N; L7 s4 S* c1 F
- margin-left: -5px;: e, P" W' s. a Q* k0 t& R
- width: 0;+ y+ Y0 s2 y' H; Q1 ]9 h
- }
8 B' y* v( v# I1 N - .tooltip-toggle::before, .tooltip-toggle::after {
: c4 g0 n1 P( _/ e" c$ s: s5 r - color: #efefef;
" f9 X- R* u6 j h - font-family: monospace;
/ l. Z( K9 n- A3 y - font-size: 16px; q5 w5 E6 N+ ] g9 e
- opacity: 0;
% s6 L1 u3 c# c F' @) f/ P - pointer-events: none;
@% L; D# _4 D - text-align: center;
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- .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {
& E$ [1 E; D+ x, D( B5 q - opacity: 1;
2 O8 W* Q1 v0 G( W' |( e - -webkit-transition: all 0.75s ease;
9 d. g; C3 p" h* c- b( G c - transition: all 0.75s ease;- j0 \2 m; _2 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">6 b; r" F2 e; g8 }: G8 w
- <ul class="nav-items">
8 H% U5 z# ]# `0 r) _5 s - <!-- Navigation -->
5 H& ?/ v" N6 F* B - <li class="nav-item"><a href="#">Home</a></li>
5 K# z) _6 W8 c9 u [* {1 G - <li class="nav-item"><a href="#">About</a></li>0 X$ u+ C, F r' G0 p( j$ N" ?2 d
- <li class="nav-item"><a href="#">Contact</a></li>) d g' Z7 I* O+ X" B1 C0 I' w
- <!-- Dropdown menu -->
6 K1 F- G% \& X! k - <li class="nav-item nav-item-dropdown">' R$ W( E* f+ k3 f* C( }
- <a class="dropdown-trigger" href="#">Settings</a>
, Q. @# H" `% Z, @" Y& f - <ul class="dropdown-menu">
/ t1 H/ ^0 ?( h - <li class="dropdown-menu-item">
/ E% C \7 k0 {" B" t3 a; X - <a href="#">Dropdown Item 1</a>
0 ^: ]+ E+ F. y - </li>! z/ Y+ h. V9 b. x
- <li class="dropdown-menu-item">
/ e* _% F1 ^' D" c: e$ ] - <a href="#">Dropdown Item 2</a>
5 O7 D) X5 w2 b8 u1 ^6 v7 H9 T2 L - </li>
U4 `# V1 ~, h# J- t; n* A: O( e - <li class="dropdown-menu-item">% T$ q2 _" B* Z8 y5 f
- <a href="#">Dropdown Item 3</a>
6 x, ]7 w+ |) N7 O4 A - </li>2 k. A9 J# c( S4 O+ G; B# `7 ]6 v: L8 K
- </ul>( V$ e' _' W0 {8 m( N4 e Z
- </li>
* v' H1 v& f: ~$ n - </ul>2 z; k( h: L5 l& k$ Y
- </div>
复制代码对应的CSS代码如下: - .nav-container {
, j# |# w- @, [9 s - background-color: #fff;/ Z/ o! T8 B' n" k
- border-radius: 4px;4 o1 X# l9 b+ ]/ J2 X0 N% u6 a
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);6 Z& _+ ~! r- R! d3 D) `
- padding: 1em;5 ~2 i2 |" b' ^7 H
- border: 1px solid #eee;
" m7 `+ x. Z- L- R$ S3 u - display: block;
& n! H* c* T, V+ z# w - max-width: 400px;; O% Z2 Y) C6 l2 y% W
- margin: 0 auto;
% r: R8 S: B2 Y# a: F - text-align: center;4 u3 W9 X% w% O7 u% C/ Q6 s$ W
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- ul,
( r4 k6 H8 G4 W j/ s - li {
# k$ H& U [* c. r/ L0 N5 @4 U& o - list-style: none;/ T& K( @3 h1 G" ]1 S
- -webkit-padding-start: 0;
+ K1 n2 L( B( u& a5 E) w+ k4 d) G( h - }
$ j4 f% h9 t% b& b' I - a {
9 F1 ]# Z+ U5 q7 Q3 a1 I. F% ~$ P; V - text-decoration: none;
% m' [# Y. k/ O# Y9 J- z- T- i% ~5 [ - color: #ED3E44;" R4 S' s: s P/ Y
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- .nav-item {; x( N& f9 S% a
- padding: 1em;. B1 G8 C: ?0 y ?
- display: inline;
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0 j0 h/ \$ [2 p! j/ D3 d& O: L% L0 \ - .nav-item-dropdown {
5 }6 m g b7 ]* o. o9 E j5 x' q - position: relative;
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+ x9 [" @" f0 E' H+ F: ~, B4 R; H; ~+ M - .nav-item-dropdown:hover > .dropdown-menu {+ s% q, r# I5 {* E9 b
- display: block;$ P; V& l- w4 P0 M& w7 |, A
- opacity: 1;6 I2 m, H( s/ p. \7 |. }- F: p' e7 E5 i
- }
# J: n7 [" P! M0 h - .dropdown-trigger {
, d8 v2 Q7 V7 g& Q6 q: Z - position: relative;3 r" w8 S- `# E+ h* m
- }8 `& X6 a) A6 P" H) E& h( i+ x
- .dropdown-trigger:focus + .dropdown-menu {; j) J3 F7 W' d6 t4 H/ {1 `
- display: block;
! Z& x" q9 { Q% w3 `$ X9 |# Z( r - opacity: 1;
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$ ^, Q2 z' y/ j& S+ A- s5 L - .dropdown-trigger::after {
$ c; J6 b; [: n4 o9 \# @ - content: "›";! B; i: K' V) y. R; I
- position: absolute;
2 c+ z" k z, U \8 I$ a, O0 A - color: #ED3E44;
1 Y _2 Z# K2 Y, W; e - font-size: 24px;$ ~1 |4 s. A. v8 T$ F
- font-weight: bold;- K' s |% F( `8 a1 x. `
- -webkit-transform: rotate(90deg);+ B2 N- J( p8 o/ U* n! F, k4 N8 _
- transform: rotate(90deg);# B, Y* J/ s$ x
- top: -5px;
: B1 u* j2 X4 v2 g/ W- v6 w+ @6 k! K - right: -15px;
- C5 c8 P; A `) a( ]6 F) P1 g - }
' K4 J' W* |8 t' S# Q3 u - .dropdown-menu {
8 y2 S$ K2 ~- F# v7 Q- @6 c - background-color: #ED3E44;7 ~# K n$ e; _: Q! ^
- display: inline-block;: g* Z A6 P5 Z
- text-align: right;4 G t( J& s& w" k& Q: z* L: |# o4 S+ W$ `
- position: absolute;9 T o: o! O5 u9 n2 [4 N7 i, o
- top: 2.5rem;7 l/ \) }3 S' _9 k; ]' d
- right: -10px;
9 \4 ?$ s, M" B) x: ~) M3 f6 V& _ - display: none;. T( ]* t3 s, y& P" y) W) t% S( S
- opacity: 0;
- m9 r' K2 ]8 D+ r2 a) L - -webkit-transition: opacity 0.5s ease;0 D( i# ^$ x8 S& K2 b
- transition: opacity 0.5s ease;$ A0 q+ B$ P1 R e0 i
- width: 160px;
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- .dropdown-menu a {
+ M- N; |8 P1 r8 o - color: #fff;
5 I) h% Z2 T7 C6 ~0 I; y3 A. u - }
" l/ M9 N( ~& P+ P8 Q' e5 Z" O2 {, ?- I - .dropdown-menu-item {
. I# K. f% u5 X0 h - cursor: pointer;, B; S% z; |* Z R1 J! u* l, P
- padding: 1em;, Q* M% b/ _4 y/ C
- text-align: center;
- N1 `/ B9 d3 ^ - }
& j) p/ r! L2 P7 ]& w2 t' s* G - .dropdown-menu-item:hover {1 D1 ]7 a! B& r7 {
- background-color: #eb272d;3 L3 c3 [ `2 m) u4 d
- }
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$ I, X/ T& k$ t" Z( x! f可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">
7 K# e% g9 S9 | I# |1 G4 s, l - <!-- Checkbox toggle -->
* i1 l9 ?# b) Y/ x; c" g9 R - <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">( z& o3 _. m* h3 w" {
- <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>7 f1 c5 x' m0 I0 Z# l; U
- <!-- Content to toggle from www.mfbuluo.com-->. U3 ]( \6 `2 G, c; m
- <div role="toggle" class="toggle-content"> K9 r" Q0 f% [/ b) d% K( X) i
- BA-NA-NA-NA!4 Y4 k' F% z, [( r1 h+ @
- </div>; p% \2 r2 a; F' S! T" p
- </div>
复制代码CSS代码内容如下: - .toggle {
6 }: u) E( P' V* i - margin: 0 auto;
/ |1 @6 g k% b7 l# H4 W: x - max-width: 400px;
: Q' D9 d( w- P, j4 l - }
5 I' J% n Z+ i5 _. z - .toggle-label {
* [2 z# E( J. I& i8 n - font-size: 16px;
6 ]5 y; s! ^7 ^$ m4 z" e - background: #fff;
% c% |* t* a' m' y$ Y - padding: 1em;
$ C* N a" i4 u9 g$ V$ B# f7 ^ - cursor: pointer;2 N% y3 Z* o2 ^- Q
- display: block;! y% v5 n7 \! q& P% J
- margin: 0 auto 1em;
7 F7 V7 q" G z* h9 E' f) T - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
) ?7 {6 V% u* Z; E' t: ^: B% i - border-radius: 4px;6 }0 S. _5 T9 h: k
- }* `- A7 ?+ l3 w( T- \# l
- .toggle-label:after {
/ E+ n' o0 R! Y1 w% v: ^; l" [ - color: #ED3E44;9 g3 [: _( o1 n8 [ N |7 q
- content: "+";9 E9 V: R) P, f) \9 F5 E' u y
- float: right;
" c' X* X& a2 y1 M' r' ^ - font-weight: bold;& E1 J1 U4 m' m; v/ E
- }
" G4 X4 H+ J* B* _# p) L" d - .toggle-content {
4 C, H2 I t Z" r - color: #B0B3C2;
" t9 R( R/ x9 o9 N G3 i( i - font-family: monospace;
' K9 m5 k L+ _" N8 ` - font-size: 16px;. I( ^6 O m2 T
- margin-bottom: 1.5em;5 y. x8 \, }: d. `) Z
- padding: 1em;
" J0 `2 g% ^, h$ j( x$ U& j6 Q8 @ - }
3 e% `0 s, q) c - .toggle-input {
8 }. f: H& t* E$ Q+ P - display: none;
' u: v: j( Y @0 ~ - }9 l8 H; O0 f; i) V
- .toggle-input:not(checked) ~ .toggle-content {, G. v+ n+ ^6 O. w6 I
- display: none;
: n) g6 p* t( r9 R! d - }
6 q" S, ]8 \( \* Y# b7 P - .toggle-input:checked ~ .toggle-content {
r9 d* i1 d0 Y - display: block;
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- .toggle-input:checked ~ .toggle-label:after {
8 x3 w5 s1 T7 Z' F' k4 | - content: "-";. y0 W; U! J, U" T6 }
- }
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