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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 i! D1 r0 u( P: V1 s8 L+ }) W
- Label for your tooltip
, x& ?/ c! w6 a6 j; h - </span>
复制代码CSS代码: - .tooltip-toggle {
& R0 j5 {& D3 ^; y- m. d - cursor: pointer;0 Q& M5 v2 \6 A* T4 Y$ V$ n
- position: relative;
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0 |0 |! `6 I- }# }; v1 D( }% u" U - .tooltip-toggle svg {- P# c0 Y+ M7 F2 v
- height: 18px;4 j- |& ~) B) f. P$ N% D
- width: 18px;
! N$ a c8 S. u2 ]% b% l3 c - padding-right: 0.5rem;
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- .tooltip-toggle::before {
/ {7 D1 ^, V2 J8 @0 i# h5 U - position: absolute;( r: [5 \. b# ?$ y. v' h4 l' W
- top: -80px;" J. v }$ @3 w9 n: ~1 O" Z
- left: -80px;
& r* }2 Z: f& U0 _ z, Z& [ - background-color: #2B222A;1 d* Z5 U! X# @3 c" Y/ T" p- H
- border-radius: 5px;5 X, a* A# ~- _* Y
- color: #fff;
* t8 D- b$ e2 z - content: attr(data-tooltip);% R/ T( y8 \: z
- padding: 1rem;
3 Q2 m) M3 Q5 C3 h3 _$ j6 K1 m - text-transform: none;$ }/ W' Q9 |! X6 L. _
- -webkit-transition: all 0.5s ease;
5 ]. K9 b/ m6 Q5 b0 f9 D- M - transition: all 0.5s ease;) j2 @4 G; |! D a0 ?) n
- width: 160px;
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- .tooltip-toggle::after {& _) n( u, v2 X9 v& `0 R" t
- position: absolute;
/ @% y. F) p+ w6 ` S3 R - top: -12px;! \/ Z' i6 ~* C" ~+ _6 L
- left: 9px;4 L" Q' }! B. V3 Q+ [7 k% P# B
- border-left: 5px solid transparent; J- W K3 j" h% g, o, \
- border-right: 5px solid transparent;& @- V" O1 l H# z
- border-top: 5px solid #2B222A;5 f; ~' W) m# B, q0 i8 h3 z8 T
- content: " ";
) @7 a( \; M% A8 n - font-size: 0;- e; [5 }/ i1 q$ E0 _7 V R
- line-height: 0;
: t; g. q9 r. N0 P - margin-left: -5px;6 E+ m% G9 S) A \/ N' @
- width: 0;
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8 B. E+ A7 L, j, E3 k; t, d - .tooltip-toggle::before, .tooltip-toggle::after {
" c' h! `" g0 E% s. s - color: #efefef;
5 K% @3 Y& b9 G+ @! u* M: X - font-family: monospace;0 S; x5 R( H- L
- font-size: 16px;
# N! c. i. t3 b5 z9 @! |; w/ k - opacity: 0;% D9 ?) Q6 P' r$ @4 _" R
- pointer-events: none;& F! X9 Z7 z$ p3 {/ `
- text-align: center;
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- .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {
( P% b0 c x7 ^+ A9 A& h" O: M - opacity: 1;
* O) ] W% i8 c( N! G& e8 M0 s# w - -webkit-transition: all 0.75s ease;# G9 R' M M1 K0 x" B$ \7 P
- transition: all 0.75s ease;. b+ g9 v% X- t
- }
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">
: v8 t8 k6 v a1 I' s! Z2 o - <ul class="nav-items">
; b" \) l, j- ^ q - <!-- Navigation -->7 M+ l' a" N; s2 e
- <li class="nav-item"><a href="#">Home</a></li>3 e5 x# }$ N8 k# T/ U; {5 [
- <li class="nav-item"><a href="#">About</a></li>: m6 e7 a. n- _0 O: f& g
- <li class="nav-item"><a href="#">Contact</a></li>
( ?: o6 u$ s4 W" x6 ^# O- l - <!-- Dropdown menu -->
, ~5 W) A) U% G3 `! C' O - <li class="nav-item nav-item-dropdown">+ [$ p7 Z$ [! ~' w' d. q
- <a class="dropdown-trigger" href="#">Settings</a>! D8 l6 X, e0 Y& [5 H
- <ul class="dropdown-menu">( l+ e6 D1 l4 _ H) m) M
- <li class="dropdown-menu-item">
+ H! ^& W& O1 q7 p% I - <a href="#">Dropdown Item 1</a>$ y: f. T# Q8 I4 I9 Y& V
- </li>1 ?' L4 U5 R3 ?: L: C8 T
- <li class="dropdown-menu-item">' f2 f4 V9 L* z- e J2 C6 V1 Y
- <a href="#">Dropdown Item 2</a>
% a3 m! F, Z% U7 X9 A - </li>9 `+ g0 S0 U3 u y
- <li class="dropdown-menu-item">% Z5 I' u$ ^+ t
- <a href="#">Dropdown Item 3</a>
2 X) P; z* [# v$ g* p3 A3 \6 ? - </li>; u0 A' e8 i: \
- </ul>9 k# O7 A2 R. K: H
- </li> I- N* R/ G+ S
- </ul>1 z! I; ?1 L" J% a
- </div>
复制代码对应的CSS代码如下: - .nav-container {/ d6 I2 k% a/ H
- background-color: #fff;8 {: n) {9 e" Y+ A& p" Y$ X1 ~
- border-radius: 4px;# |; o! S$ r4 @ x) y
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);0 n. R$ P5 S; r5 N6 T7 x8 @
- padding: 1em;" X' f! I+ N% R! O" ^
- border: 1px solid #eee;% Z$ t. z& G4 A# z6 N! l
- display: block;
8 B( O C) t1 y( V( n - max-width: 400px;5 I, `. q6 |% w9 @1 d. e
- margin: 0 auto;* y o* k( L5 P ^! f
- text-align: center;: `/ r1 H, t1 x7 A
- }
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- li {
6 f' }% e2 d! P2 [ - list-style: none;
% J% c( }% o# k$ m! [* O9 M - -webkit-padding-start: 0;" g5 P* s/ W" R' \! l
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- a {
3 y7 S6 v1 _2 j' Q0 R - text-decoration: none;1 r% D, v/ _7 H2 h. ~; F* |7 e* {
- color: #ED3E44;
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+ {. K B) q/ ]5 c* {# @ - .nav-item {* J! ^& m& ]* J
- padding: 1em;
; _# s" O: g1 f3 `: S - display: inline;1 Q T( ^& I- h6 o
- }
% C$ B, f6 w9 u+ P' n; g! h - .nav-item-dropdown {
q$ V1 `/ @4 p0 e. `" { - position: relative;+ }; u0 N: ~. I" c6 M3 K6 T! e
- }, b1 T2 D. e0 E2 Y( V
- .nav-item-dropdown:hover > .dropdown-menu {8 R* \- w/ ~/ Q* w1 D
- display: block;, o+ L; S+ y3 ?& u, e0 A- a/ S
- opacity: 1;- W {& P5 |. I& ~
- }8 J& h) v# a8 w$ J% k
- .dropdown-trigger {
2 R) ~" [6 p+ ?* r; j) f - position: relative;1 n9 _+ G& c2 z% }1 {3 ]
- }- c0 i5 a4 q+ p* s1 R4 K3 ^
- .dropdown-trigger:focus + .dropdown-menu {
+ w! i% T) Y# j" I - display: block;
5 v( W1 _1 s2 Z6 f# k - opacity: 1;8 k7 _! {) U6 D) S* j, `
- }
$ R9 u; r! _! m5 \ - .dropdown-trigger::after {/ U& g) {6 I+ a& p3 \4 p
- content: "›";
% n9 G% _! v- a- h6 A; |" P - position: absolute;( e( b* f1 y, I" x5 L. d
- color: #ED3E44;/ B/ n' d3 F' L
- font-size: 24px;! j% @6 {% V. P, l/ t
- font-weight: bold;
' Z; U5 X. p' z, Y - -webkit-transform: rotate(90deg);+ a# q" d3 d1 z- K0 C
- transform: rotate(90deg);
- h, [; q+ h4 Z* y ]8 k - top: -5px;; n' z! z* [7 [& p# c3 D% a8 o
- right: -15px;
8 @* |) k$ P1 C# u& L8 b - }% u2 N% X. d2 R9 t) e
- .dropdown-menu {+ c+ n0 B) f( Q1 }$ J1 T& S
- background-color: #ED3E44;3 S+ F; X; m: z
- display: inline-block;
3 p, Y( Y6 j% W - text-align: right;' ]+ N; e' R; |
- position: absolute;# v' Z- f" a: W* V7 ]/ Q: R
- top: 2.5rem;
/ F( X+ B5 b+ ]4 m, ^1 }" K - right: -10px;7 `& z# S0 L0 U
- display: none; E, Y: h, f2 i6 H
- opacity: 0;, K6 W8 R, s' C9 O7 u
- -webkit-transition: opacity 0.5s ease;3 f& C; _3 S' U8 @
- transition: opacity 0.5s ease;: a3 V: i. M- S+ H, A8 P
- width: 160px;
, s7 k2 H D. ?) L( O - }
3 [3 [ s: I% J0 e! K2 u - .dropdown-menu a {
+ o- X# m q, m; h% z - color: #fff;
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- .dropdown-menu-item {3 |3 T1 m% T; X
- cursor: pointer;# L$ _0 ?. e- i2 w
- padding: 1em;
- H1 L" z# y2 w, n( _2 t - text-align: center;
; T1 C. m- ~& _& _2 ^ - }
8 [/ K: \0 O) J9 ? - .dropdown-menu-item:hover {
. H* t( Q- F: e0 B( m. Z - background-color: #eb272d;0 G* R1 U" _+ o1 M! B; h1 C( q. _
- }
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O% X& w( ]. [+ A! m- k" { X可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">% |2 c9 v) X$ n. c; \2 i* V
- <!-- Checkbox toggle -->
' a! `# ~# [0 Y - <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">
! m a& u/ T" }0 \% v: C8 u - <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>4 G" B l& f3 g
- <!-- Content to toggle from www.mfbuluo.com-->4 M6 v2 q4 b, h: @4 X' J2 R
- <div role="toggle" class="toggle-content">' N3 ?7 s9 V5 v! ~
- BA-NA-NA-NA!
+ P& [6 e& z1 Z8 x) f- w# O - </div>/ @0 k! f. s# D
- </div>
复制代码CSS代码内容如下: - .toggle {: _+ D) D( Q; N6 D: v
- margin: 0 auto;
! t9 z. E: o" a& D9 b - max-width: 400px;& C4 r( \, Q9 C7 y4 {/ F# @
- }
1 o- x- _% K, o5 O5 n% m - .toggle-label {% ` F3 W" g/ \8 I
- font-size: 16px;
6 Z# y. ? ~& m - background: #fff;# e, t$ O. i4 n9 L
- padding: 1em;
' l4 L2 o, L n4 h7 K* |- y$ Y) x+ j' z! G - cursor: pointer;+ C0 X T) F# }* ~: [
- display: block;' R8 Q r6 g: H, ]% e) j
- margin: 0 auto 1em; N7 q% \; q8 k1 X; U
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);& G% ?3 v% C. p, N" e
- border-radius: 4px;0 I2 q5 a! {8 S
- }+ `% g3 v0 {$ F6 W8 Z7 r" n" t
- .toggle-label:after {
, |; n, F+ K2 W3 { - color: #ED3E44;
8 P- }( b/ I3 C3 E8 O' T6 h! B3 w - content: "+";
9 B: j! q. L. k - float: right;- O# }. D5 C, x/ g" a6 x( r k
- font-weight: bold;
7 H$ X: h i/ w+ s - }
6 K* @( Z/ _2 [$ j4 J - .toggle-content {
' T5 \. X9 v: \ - color: #B0B3C2;
, ^& ]9 S8 `# u$ U- c. T8 L Y - font-family: monospace;% d8 h7 A# l3 B4 x2 a3 x
- font-size: 16px;
& V4 G6 k- a- }/ v( C7 @9 I - margin-bottom: 1.5em;
1 G0 z3 w( p6 ]4 W3 c" j/ G, \7 d- U - padding: 1em;
! A; g5 A' [1 v: a7 d - }
( M6 w9 Y" L% D5 t& ^5 q# a' f - .toggle-input {' e0 f# y$ ~7 t& O
- display: none;9 v! K7 [6 O+ o+ j/ B" ?
- }4 o" A& @: U/ t0 L! S) g4 T. y
- .toggle-input:not(checked) ~ .toggle-content {6 S# o' b: `4 G" `1 i# d, f
- display: none;0 S2 F: Y& b+ S0 e1 i
- }- z4 c! b) y$ k. I ?$ A3 @/ _
- .toggle-input:checked ~ .toggle-content {. b* m; v; g2 l+ u
- display: block; p8 e$ j/ ?! v
- }
0 h) J5 V4 r5 c - .toggle-input:checked ~ .toggle-label:after {4 ^. X& K1 F# o$ w6 |( Z) J
- content: "-";; G0 W- u1 j6 i; O# e
- }
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