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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!">
* I: N7 r2 O) n! i) E4 V! v6 ]3 K4 g - Label for your tooltip* H" v2 @' d" X+ }, Z
- </span>
复制代码CSS代码: - .tooltip-toggle {
) r1 N/ ?% s0 W0 {% a - cursor: pointer;
3 L0 O" W: ^7 p+ b' [ - position: relative;3 i1 t2 E$ M/ G: s7 G" A
- }: \5 c( b$ K9 C* K; O
- .tooltip-toggle svg {
0 \8 @! Q2 B8 j& r6 b5 D - height: 18px;
. G! B* b5 }- _ - width: 18px;" f( q ^0 O/ a, Y, C
- padding-right: 0.5rem;
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- .tooltip-toggle::before {% C# ]/ d% ~# B! x4 o2 Z7 ^
- position: absolute;5 {2 v' r/ k; L) N; Y; o. G
- top: -80px;: T( ^7 m7 @$ F: O# M/ q) n6 `
- left: -80px;! o0 z7 B; k0 e. m
- background-color: #2B222A;
# D7 Y7 c3 |% w - border-radius: 5px;
' J8 }4 s7 C' R% M2 w2 v0 I5 i- m - color: #fff;4 b3 j% E6 z, X; X4 q
- content: attr(data-tooltip);
# `* [! M, U& v - padding: 1rem;
5 R! J! n% X1 v U1 y - text-transform: none;6 [1 w' e! B. S2 b4 k
- -webkit-transition: all 0.5s ease;2 @, x2 Y7 l3 V8 m6 L, l9 r
- transition: all 0.5s ease;* S4 V3 F9 L4 R5 b, R/ I
- width: 160px;; {1 I! `+ U! v' T+ @$ h3 \
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- .tooltip-toggle::after {4 J! T0 [' r' R/ d9 _1 J
- position: absolute;
4 W/ o$ j! o' z- {5 W - top: -12px;' f# W; m; {4 s+ W9 B" {9 D
- left: 9px;' l: S1 i2 O4 [. n* e
- border-left: 5px solid transparent;
/ h1 X6 c) c8 V5 F! V1 c - border-right: 5px solid transparent;
- _$ z, ]6 {5 \( p - border-top: 5px solid #2B222A;
0 I- P; v$ P: B8 J6 A - content: " ";
/ x4 v% y8 W: o! \ - font-size: 0;
: Z9 d9 C* p6 p - line-height: 0;
. m# _# Y4 W) w/ z* C: _ - margin-left: -5px;5 v* Z& B2 d. Q, ^8 [$ O
- width: 0;
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0 S$ G3 p4 L+ \ - .tooltip-toggle::before, .tooltip-toggle::after {
# q$ W/ S( j! x& h, d4 g - color: #efefef;. q- w$ p# N( z! o) `
- font-family: monospace;) Y+ L0 D& C* R0 s/ `
- font-size: 16px;
9 y0 \( u* W- g# _! s7 j - opacity: 0;
. K# ^3 i( l/ e1 x2 b2 I+ ? - pointer-events: none;
) C2 a" _1 L o+ g( W9 E - text-align: center;0 x6 q b- j2 M2 m y4 D6 H5 m
- }
2 [5 D0 O6 M' y% q - .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {
0 E1 P& z6 p6 m4 ~ - opacity: 1;6 N( a' j' |" ?1 x3 `: [
- -webkit-transition: all 0.75s ease;, ^$ }! }& }' \/ E( C$ x
- transition: all 0.75s ease;3 [% J5 D! k* 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">4 a5 {* o% f" p( U3 z2 D- I
- <ul class="nav-items">
' R6 R0 s0 W0 P& e1 O. ? - <!-- Navigation -->
$ _" A5 c* U5 G/ u9 p+ o5 B8 s - <li class="nav-item"><a href="#">Home</a></li>- F) @! ?% p- P9 w) |8 v
- <li class="nav-item"><a href="#">About</a></li>: L: g% } Q* k
- <li class="nav-item"><a href="#">Contact</a></li>$ }( r, P" A4 L2 F ~ d
- <!-- Dropdown menu -->
) ?3 z6 A# r* ?: v; T - <li class="nav-item nav-item-dropdown">! O; F; }; b; w7 C% Q% Q1 Z
- <a class="dropdown-trigger" href="#">Settings</a># F! T- Y' C$ s4 v, C# V3 i
- <ul class="dropdown-menu">
% k+ i1 S( T8 Q7 e6 F! h - <li class="dropdown-menu-item">
. z- y2 b8 h& R# g$ g3 \, n! }* Q - <a href="#">Dropdown Item 1</a>/ d q9 G. d: o# f$ B
- </li>
7 D/ A3 r( _- y' p2 [. Z0 Y - <li class="dropdown-menu-item">9 O6 y- M1 n4 E! `/ Z7 {7 B
- <a href="#">Dropdown Item 2</a>
F$ m+ y( N5 _6 j: `0 z - </li> a# f. C, z- d
- <li class="dropdown-menu-item">1 h0 a6 C8 {; ^$ K
- <a href="#">Dropdown Item 3</a>: \% r( ` D5 N8 ]% [6 I, R
- </li>& _" I5 R9 C/ f6 `' `5 O E# j
- </ul>) ?+ a% G! D$ `( `# {
- </li>+ A) W) d' V& [/ q* Y
- </ul>
" m4 |9 m! z; P - </div>
复制代码对应的CSS代码如下: - .nav-container {* s0 D) N p2 H: W$ d( Z3 N: N
- background-color: #fff;
9 p2 S% N) J" @: e8 N - border-radius: 4px;& k, g6 _" H" _. S8 l2 y
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
5 D) [4 Z" M( z- s! K - padding: 1em;
. @( _! O/ B) l) S! n c0 V - border: 1px solid #eee;6 j" ^+ y9 v1 Q8 l. ^) \- x3 l
- display: block;
0 [: q( L" P$ {3 W! C3 }' n) B - max-width: 400px;
: F Y) y/ q& j& E: s$ v" { - margin: 0 auto;
9 l) [0 \0 }, t- r2 X* @5 m; ] - text-align: center;" O* X) Q& h& e6 |- \1 F3 P5 k6 ^3 V
- }. |3 t- Q# E6 u8 {1 n
- ul,/ o* L9 L. T* p6 w7 ]3 B$ w
- li {! A5 s H& O/ x4 w7 G
- list-style: none;; v7 z1 q8 E- t& s
- -webkit-padding-start: 0;& n: `: S0 P; s5 r
- }
9 {; e) X" Q8 G) p; x0 n; n) j - a {
, |( H, Y. f. @) H2 m - text-decoration: none;
; u- i* q' Y) r0 }3 ^ - color: #ED3E44;
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5 ^7 X( B1 g: j) {, ?( Z - .nav-item {
6 r( ?4 b. u9 j4 B - padding: 1em;
v P/ [% N4 o3 u7 m - display: inline;
2 {$ s7 a9 H. t! n5 L1 O& q - }$ `/ w8 U% B" l: Y0 m* c8 S2 ]
- .nav-item-dropdown {
; i! N4 C4 t0 U* I3 B5 j - position: relative;1 A/ C! v2 _9 I- I6 Y% {
- }
+ [2 \! i, Z9 d! x' V/ L - .nav-item-dropdown:hover > .dropdown-menu {" y5 M, U/ e+ [
- display: block;
/ g% z9 n. q; N T. U - opacity: 1;8 y8 Q* T) w6 F* L+ K$ _# R
- }$ Y/ {5 [5 p6 E( C
- .dropdown-trigger {
" @3 Y4 D5 d& c. T - position: relative;
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- .dropdown-trigger:focus + .dropdown-menu {1 B8 L% U' Z( j1 n. g1 Q
- display: block;
) _) w7 o2 n. b- K% O3 l" y - opacity: 1;
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2 B9 F% J% [; s/ D9 l - .dropdown-trigger::after {
/ A/ G4 W6 [4 i- i8 I - content: "›";
9 Q# s2 N3 }) U1 ~! m - position: absolute;4 J% h; S8 o% C( s6 Z0 A, d6 O$ x
- color: #ED3E44;$ f% {3 H5 r- X7 T5 ^
- font-size: 24px;
. F! o) }& R" G" E# v - font-weight: bold;1 V" ^% f' x1 e. \* D
- -webkit-transform: rotate(90deg);
/ }9 Q- f9 w' K - transform: rotate(90deg);
0 G. ~; E7 l$ d& E) x, w& O9 E - top: -5px;# _* x* g1 a5 s9 o+ y) x5 K7 Y
- right: -15px;
% ^$ A, P' A4 q$ B' P: V5 m5 j( ^ - }
- z' P8 W- i+ z6 Q Y, X2 J* o, Q; A1 U - .dropdown-menu {
$ |2 Y) N5 a. M9 O - background-color: #ED3E44;& `' `) }( p/ s1 ~( C A
- display: inline-block;/ E( g8 y, h. {4 X+ }! m3 Q- u( y8 o
- text-align: right;. s4 m1 v. k8 ~, u% t! J [* B+ s: G
- position: absolute;
) V& Z& Y3 a7 v4 b) v" s - top: 2.5rem;8 {5 h% ^, {1 P, b2 Q
- right: -10px;
, b* m- R+ @& ]4 L2 h# p9 H - display: none;% A0 {' [5 p+ X3 a" i3 B$ o G+ H- y
- opacity: 0;
, b, z2 a, L! ~2 \ - -webkit-transition: opacity 0.5s ease;
" a# h# o* c! }: s - transition: opacity 0.5s ease;
% s9 H3 s* K1 X! {$ L. s - width: 160px;
9 M/ `0 p8 w, p( \4 x7 W - }
6 Z6 u4 a S! c3 q - .dropdown-menu a {$ S9 Q2 N4 n. D* h7 m
- color: #fff;) J; I& y. D/ r8 s
- }
' x R% W7 S. X& i1 @ - .dropdown-menu-item {
: W; v, G2 | {2 T z1 H2 N* Q. w - cursor: pointer;
3 N7 R% U( U$ w: S7 {- L/ g - padding: 1em;( o* j( f2 H; l$ T5 z" l
- text-align: center;
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- .dropdown-menu-item:hover {7 m$ r5 ^7 V6 n% B; d" W
- background-color: #eb272d;
U; N" k9 V5 _ U - }
复制代码 6 N# M' E6 [1 ^8 j% U5 l
可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">8 f4 H+ O, A' d* b' w6 h
- <!-- Checkbox toggle -->) G0 ^" U3 N3 C
- <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">
9 d- h. V, V4 y; u: N! q - <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>
4 c2 j' P' J! e, f - <!-- Content to toggle from www.mfbuluo.com-->
9 T& F, e/ b0 e0 l - <div role="toggle" class="toggle-content">3 Q1 \5 w6 Y/ B" b0 c
- BA-NA-NA-NA!5 L% g% Q9 E( l+ C' j
- </div>
9 }% P S( E; @8 J. U" _ - </div>
复制代码CSS代码内容如下: - .toggle {
6 v! G$ _0 Y) w5 C4 u7 e1 @ - margin: 0 auto;: ]* L, l- p A/ i5 M$ h& ]$ U
- max-width: 400px;6 y4 K' _- n3 _: I( A8 U, j" p
- }
9 G0 g6 f( g4 H$ V2 T# `) U - .toggle-label {
o) ~5 e/ k% s0 `; t( z - font-size: 16px;) [ _1 C. ?$ p8 @, |- x$ O/ x
- background: #fff;/ y) s; ]* Z4 N" r H5 V
- padding: 1em;
& b7 Z% d1 ?% x- y9 ]- h - cursor: pointer;
7 R6 w" ?9 x2 L/ w' p5 g+ g. n" f- n3 r - display: block;0 z7 R- ^: p& |% a* E
- margin: 0 auto 1em;
) i x- I' e5 J, | - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);5 c( q, x7 ]6 p# i: n6 G+ U* l' P
- border-radius: 4px; O) U7 \: H& M: a$ v: X) k
- }2 R0 n1 E' h4 f; g# V C
- .toggle-label:after {
0 H6 m- @+ D) C) _( X* @ - color: #ED3E44;) l& w! _1 Z9 H. ~1 Z9 f
- content: "+";+ i* ]/ v7 `: C4 i+ w1 N
- float: right;0 U+ e( q9 t2 x$ b ^
- font-weight: bold;
% w; A& Q: O# }9 ~( E - }
( ?8 C1 ?. h8 W6 K# j) P- L - .toggle-content {
2 }5 ]& w0 g/ d3 T; Y0 c8 y - color: #B0B3C2;+ R" v# w' F" q. w. R( q
- font-family: monospace;) D1 z# X7 x1 B1 Q; G) h4 ~
- font-size: 16px;( F* M9 S9 |0 a
- margin-bottom: 1.5em;( V6 `0 r6 @; W0 T' c6 ?$ B. f
- padding: 1em;( n3 o& X% o4 f" Q, M& B
- }. n, L3 A: D6 [' A# ]
- .toggle-input {
- g% S0 ?' G6 |/ | l! y7 c* O5 G @7 @ - display: none;
9 u0 U0 J8 ?6 _ - }
, c C! b8 w, Z - .toggle-input:not(checked) ~ .toggle-content {
$ k. p8 f7 f2 N: Q# u - display: none;( S8 F) w/ f$ i) c- G
- }* T' q: G3 t: ]
- .toggle-input:checked ~ .toggle-content {) ?5 L" y! D! r+ g3 O
- display: block;
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- .toggle-input:checked ~ .toggle-label:after {' `- L0 O/ b. L# B+ E; X
- content: "-";
5 R) R Y$ k2 D - }
复制代码 2 P/ U2 U" C# [. Z4 D! f# D$ R& m
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