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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!">6 P; y% x1 U y+ U, r6 f
- Label for your tooltip$ S# k' L0 N C) ]. B4 \
- </span>
复制代码CSS代码: - .tooltip-toggle {
- o3 y; n2 g1 V% }* \- d5 N - cursor: pointer;
/ _2 P& K+ Z" x0 p9 b7 F - position: relative;: o* ~: s7 w4 P3 L8 l
- }
1 m# M* U: }9 @$ f: g: u9 A' \ - .tooltip-toggle svg {
5 x6 b" N5 X6 a: A - height: 18px;! D G, [8 p3 E: V: S
- width: 18px;: a0 p( z1 w, e r: X
- padding-right: 0.5rem;# e: W5 C, I" ?
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- .tooltip-toggle::before {
, F7 Q6 A K$ ^. h# N4 a - position: absolute;
1 t* e9 k9 L2 R. k" c - top: -80px;
; S% D. d4 @. d0 u - left: -80px;
; T7 n. j2 E7 S5 K A6 k - background-color: #2B222A;
8 _( o3 ?" \* c3 R: V. Q/ N/ E - border-radius: 5px;
7 q+ |) V& J! ^) F - color: #fff;0 Z2 C0 I* L# D5 G5 \$ F$ J5 u
- content: attr(data-tooltip);
0 V' [* X p! Z( G - padding: 1rem;
& B% h+ r' W2 W9 F7 v( E6 w - text-transform: none;+ i- ?, P; {9 |" t3 P
- -webkit-transition: all 0.5s ease;
f" M5 {" C0 T9 V - transition: all 0.5s ease;9 k9 I9 n8 y- j0 `2 L+ }
- width: 160px;
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$ K K4 M# d0 q& r - .tooltip-toggle::after {
4 e1 Y2 r! |, w; \+ x; U6 W - position: absolute;1 O) s ~$ z5 l& ?& s# h
- top: -12px;
8 a$ r7 q6 ~+ c7 s - left: 9px;- z6 B5 F7 A) i. u4 G7 V
- border-left: 5px solid transparent;
2 T8 I9 `& R6 s. u* c - border-right: 5px solid transparent;
0 P$ r( s" _. u I. Q5 x7 n - border-top: 5px solid #2B222A;* I* e5 A% Q! m4 }; d& R& a
- content: " ";
# M/ `4 t3 z; ~: H! v - font-size: 0;
1 Y- C' g5 @8 ~% y - line-height: 0;
q' x6 }7 ~- K- C - margin-left: -5px;
, {+ U1 G2 W( U0 S! Z S, G3 ] - width: 0;
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" s- ~2 n$ W8 ]- v! N3 O4 d - .tooltip-toggle::before, .tooltip-toggle::after {: f9 \3 V' }- s, p% f i {
- color: #efefef;
( n* B1 V! K1 y, d3 E - font-family: monospace;5 K' A* W6 x8 O, c3 [) M
- font-size: 16px;) q4 b; C2 k% w. O
- opacity: 0;! _) W/ o# ]5 Z; R
- pointer-events: none;
6 D3 Q3 f' |% m1 s - text-align: center;
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- .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {
9 l9 i3 E1 t; L3 {/ S3 Z. x - opacity: 1;
4 n& X: H, @, ~/ {8 G3 b- y3 w3 y8 ~4 u# l - -webkit-transition: all 0.75s ease;
, |. {; I' d* [9 k# I( l* z* r# e - transition: all 0.75s ease; [. q: H/ I, r4 N! r
- }
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">
( S b; w& B" d - <ul class="nav-items">$ b U: K* H5 r+ N- d9 h
- <!-- Navigation -->' ?# {. u6 y& s& j3 l+ H, r
- <li class="nav-item"><a href="#">Home</a></li>
/ V R0 A2 M6 Y( L - <li class="nav-item"><a href="#">About</a></li>2 R7 B; B# T+ Z# n2 D7 l
- <li class="nav-item"><a href="#">Contact</a></li>6 Z8 [& h4 \' ?+ } [
- <!-- Dropdown menu -->5 B& _- R1 |1 P7 ~2 G+ ]
- <li class="nav-item nav-item-dropdown">5 U/ v# S8 J$ A, R
- <a class="dropdown-trigger" href="#">Settings</a>
, l" F# x6 i" L7 s* e) @ - <ul class="dropdown-menu">
( Z6 v0 e/ o, l - <li class="dropdown-menu-item">
4 N9 o# x& F2 L - <a href="#">Dropdown Item 1</a>" {" [$ I5 M7 G: w1 v
- </li>
% k0 h+ J7 P5 x# F- k1 ~: F - <li class="dropdown-menu-item">! v- W2 {7 ]8 p, {- j
- <a href="#">Dropdown Item 2</a>, K0 H: t- v. Z5 L
- </li>
5 d7 [& G2 c0 q P - <li class="dropdown-menu-item">7 w' ~; p2 P& e3 n
- <a href="#">Dropdown Item 3</a>
2 D" y) X5 \! I; X1 ~! S - </li>
$ w# l. v4 f4 V3 s6 N - </ul>
" n- ]( H1 B9 Y/ y6 X i( T3 h$ C/ s - </li> @5 z7 g- O* W: O+ P& S& a) W
- </ul>5 ^$ @* \( v( t/ O6 ]6 O0 \
- </div>
复制代码对应的CSS代码如下: - .nav-container {& `$ S# h5 {7 }$ S( [, [
- background-color: #fff;
1 k# A4 O7 l, T% K6 f B - border-radius: 4px;
( O( c$ W% ?( }/ B% V! G - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
: K- n: E& g8 S9 f- h+ Q2 C - padding: 1em;
6 ~; ~6 o, w! c$ T# y - border: 1px solid #eee;
4 D$ C1 v3 Z A; W4 N - display: block;- _9 `/ ]- J1 m
- max-width: 400px;5 }8 A# B [' ~8 m8 r3 R
- margin: 0 auto;
6 i& g/ @, o" i; \7 [ - text-align: center;6 Q, M' O$ C* F5 k
- }
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- list-style: none;
/ k+ `: u8 F0 P( d6 R - -webkit-padding-start: 0;
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- text-decoration: none;
2 }7 F8 T1 ^( K/ H. c - color: #ED3E44;
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. v; A5 t0 l0 T - .nav-item {
' T4 q, B0 h: n; i. I. f* t9 R - padding: 1em;8 _; B8 E) ~% H; r; r
- display: inline;
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- .nav-item-dropdown {- T) g. R1 C: y2 r
- position: relative;* H! C& U, N0 f4 v
- }+ J" _' @/ z |4 n8 F# s
- .nav-item-dropdown:hover > .dropdown-menu {2 a! V( C, t* [! [+ l# t% Y9 m) Z
- display: block;
4 y, B) K; y( x4 c% u, `, H7 u - opacity: 1;
) s5 L4 B8 l' m, s5 `0 m7 h2 d - }
k& }6 H+ W! s3 c/ _' Y( y - .dropdown-trigger {
6 u" @% U( h+ B8 V% c9 o% v - position: relative;
0 \5 B/ ^& C ^! J' p - }
3 v' C2 H0 D( L - .dropdown-trigger:focus + .dropdown-menu {
$ q- y* \1 W$ ]/ h - display: block;
( P% o: M* a7 W2 X& V/ j - opacity: 1;
' t. }8 L; g/ t% H5 S! p - }
: v+ Q9 t/ B* R" W6 \ - .dropdown-trigger::after {* f/ f* ]3 }: L# l7 i2 |1 y
- content: "›";1 b3 |1 k) {3 F* h* y7 R0 m# E$ I
- position: absolute; q5 c0 z1 [) q6 ?; j6 B
- color: #ED3E44;: m4 i" l9 z% A- u B, {6 R( {
- font-size: 24px;
0 h v- ]3 `2 D# p z5 v3 W$ l - font-weight: bold;
& r# @/ T+ o9 b2 w3 U% ^ C - -webkit-transform: rotate(90deg); ?2 {* O' b- F
- transform: rotate(90deg);- W5 R# h" u1 ^: p
- top: -5px;
4 a) Y3 ?4 P3 h6 o - right: -15px;- A$ Z$ b. `# `3 ^' a2 R7 P
- }
$ _$ O( H4 ]; i3 V/ ~+ P - .dropdown-menu {
B0 m& R/ T* |/ \6 A7 s. U - background-color: #ED3E44;- q+ w8 K" H* J" `5 p
- display: inline-block;
& ]. _: y a1 \" z - text-align: right;- u# e' j/ f: C
- position: absolute;- W2 j% _7 V! B8 I" G+ U
- top: 2.5rem;
$ S* x J# v3 f; U% G% f& P8 `+ } - right: -10px;4 Q# M4 l0 V( q Q
- display: none;
1 K" O) v, R* j. z - opacity: 0;
) k% j4 ?) J0 U# A( i - -webkit-transition: opacity 0.5s ease;$ b5 g5 u! X/ J% _ ?
- transition: opacity 0.5s ease;
8 U, u% \" b' S. ]0 I0 [' X - width: 160px;
7 ?8 l0 a; `1 ~3 W - }) l' {3 d( I# P
- .dropdown-menu a {* b5 f' q- f) M& {
- color: #fff;
+ a9 U2 @( X' g- `1 i - }( n6 G5 M! n c! ~
- .dropdown-menu-item {
+ O; u9 r; V9 T5 ` - cursor: pointer;; ?0 q3 \' D& Y- R u' y' b+ d
- padding: 1em;
6 E+ t+ }& K/ h2 r6 Z& u - text-align: center;0 t) J! I6 V2 Z7 X
- }5 p9 Z+ P- E# v1 A/ I7 O+ j# f$ A# X
- .dropdown-menu-item:hover {! Z \& @9 o% U% R$ z/ u! \" Q
- background-color: #eb272d;
# j0 v. V5 r4 G2 G- B% g& T8 |5 k* F - }
复制代码 " k& t# s: n2 T, J& o8 Z
可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">- M3 J. r( ]7 ^* K8 J
- <!-- Checkbox toggle -->! O4 \) m5 X ?( S7 z' d( x
- <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">* i) j+ ~8 g1 {# \6 K2 i
- <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>
; S. h2 n5 Q$ R% P/ E - <!-- Content to toggle from www.mfbuluo.com-->
! A* T3 t9 R, { m9 t - <div role="toggle" class="toggle-content">/ c ?9 I. j/ }# j0 c; a# D
- BA-NA-NA-NA!4 b7 Q7 T7 n! q8 v! Q
- </div>
! k( `0 G* {+ n* f/ F- X* i) S - </div>
复制代码CSS代码内容如下: - .toggle {: h3 ~5 P9 f( c% J* G: Q
- margin: 0 auto;/ ?1 c! f8 @# ?- ~: U) @7 }+ S
- max-width: 400px;
3 p: y; w/ | Q, E4 P - }$ U# a4 X p/ C
- .toggle-label {* G- Q9 ?. Z( \- w0 c' _4 K' e
- font-size: 16px; Q' l: v) j/ x8 N* F) y4 s6 K5 S0 Q
- background: #fff;& J, E8 J* m* P; X/ R1 Z0 G
- padding: 1em;
T! W7 y5 }$ L' A# Q/ A" [ - cursor: pointer;+ y8 Z" J+ A4 g! r$ h8 P- A# x$ H
- display: block;
/ _- [1 n) w2 ]1 x! v' } - margin: 0 auto 1em;2 g' }5 Z5 r9 |4 \
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);* d9 I1 i' E! `* [- D6 r
- border-radius: 4px;
6 J5 [6 j2 } i( O/ L% F1 } - }6 T9 o, _5 M0 T5 k/ o" [
- .toggle-label:after {
7 F8 Y( q5 p6 t - color: #ED3E44;6 [$ ~) u% u1 B6 [/ ^2 q' a
- content: "+";. w* `# y0 C6 ~2 ^* d) D# _
- float: right;
/ n4 H* W, R, X0 U7 {& p& }1 P( ~9 b - font-weight: bold;7 }$ E+ w5 {) j5 Q" `3 m
- }$ G# l' m% x* Y7 _1 v7 z
- .toggle-content {
8 l; L# l: K) O6 u; r - color: #B0B3C2;
- X) R% t) S/ `% V. n$ l) M9 l - font-family: monospace;
. e, M+ |; Z2 m4 g8 C - font-size: 16px;
0 R3 `* D$ J5 d: d - margin-bottom: 1.5em;1 x: c% s4 Y2 a o5 O8 u
- padding: 1em;
: R# p N8 t6 a* b& k5 a - }/ u$ a" t) U* n! e* l
- .toggle-input {
% X& N7 j6 Q2 l - display: none;- E1 O5 b& w3 K) b5 m
- }
* X- d, T& Y& c - .toggle-input:not(checked) ~ .toggle-content {2 k( K$ d0 T6 n4 G$ j, L$ B' j
- display: none;. Z/ o% Q \4 h$ L N# \/ E9 p0 u
- }8 \5 B, Z2 e' |; g
- .toggle-input:checked ~ .toggle-content {$ g; c) B9 }1 J& w+ [
- display: block;
# V& `& K8 ?& h9 F" D - }) B+ z+ P: Q/ p- }. k1 [8 C0 C
- .toggle-input:checked ~ .toggle-label:after {
9 \( F$ D7 E, X# E - content: "-";9 @8 \; W8 z8 l& k0 _3 ~* U
- }
复制代码 ' T( O9 U D! s4 u6 r: `
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