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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* Z/ h3 B3 M/ i8 @: r* f
- Label for your tooltip
$ q1 n0 d/ j& E7 z5 o - </span>
复制代码CSS代码: - .tooltip-toggle {- m" j& {3 F, O7 ]6 \- h
- cursor: pointer;$ `! L2 E& J2 r$ A$ {: D5 P
- position: relative;
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- .tooltip-toggle svg {$ h& c5 B' ~% _, U
- height: 18px;
F0 |0 R/ H* \7 k; ]+ V) A, v - width: 18px;
( y! F+ z7 q1 [, L2 E - padding-right: 0.5rem;
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- .tooltip-toggle::before {
. l! p" v6 e' z4 P - position: absolute;
: r; W4 I" e' i$ ~) X; J4 H& s; z) } - top: -80px; w4 p' V" ?% B% o; Q
- left: -80px;
# @3 F( t- L* R& K+ U! d& T - background-color: #2B222A;" O1 G: S, \ e0 E4 z
- border-radius: 5px;
5 X& U- G4 X3 r - color: #fff;
9 b* n* N6 K' N. C - content: attr(data-tooltip);1 w# R+ \7 |" Z* v! A
- padding: 1rem;
. {( v4 i6 f3 j. d - text-transform: none; O" ]( u7 Z. O. d- ]( z
- -webkit-transition: all 0.5s ease;% E& \: A6 @( W% q! |) J
- transition: all 0.5s ease;
5 a9 r5 z. M. u6 N4 h* ^% A# } - width: 160px;5 N! h8 G6 |$ K" z- ~2 V; ^
- }
* T, i/ O! E) ]- u+ U* { - .tooltip-toggle::after {
9 Z' ~6 ]* H% @5 B/ u - position: absolute;2 m) z6 `) \1 I5 }* A% d
- top: -12px;
7 ?0 _( ?$ G) d1 T - left: 9px;
U) z7 }9 e. ` I: e, G! P/ P4 V - border-left: 5px solid transparent;
! W' r) y8 y% N3 P7 o4 D - border-right: 5px solid transparent;, f9 `2 k7 \+ a0 [
- border-top: 5px solid #2B222A;
; R7 q) Q: i; p/ G# A, S6 w - content: " ";3 K# @: @2 Y* y) @6 I
- font-size: 0;
3 I* ^7 S# k1 X! f( | - line-height: 0;
$ ^7 |( d5 w& S$ @- m - margin-left: -5px;# U& u, `* o3 W. p
- width: 0;
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- .tooltip-toggle::before, .tooltip-toggle::after {0 \- U. X) L H" x7 g2 n: |
- color: #efefef;( k; k+ A5 A7 I( X( ^1 t0 @+ g9 f
- font-family: monospace;
( _9 a7 U; ^" f" g5 Z - font-size: 16px;5 A+ J" G& [' S& [
- opacity: 0;
6 ^1 H& n. O: z - pointer-events: none;; ?3 D9 R8 U) E4 M
- text-align: center;
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1 R+ I3 S: v8 K - .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {
+ C* }1 D$ m; H C3 q - opacity: 1;! K. v" N8 O9 q* j9 `
- -webkit-transition: all 0.75s ease;
; i6 q* f9 i. w& i* S* X2 F - transition: all 0.75s ease;
+ x& D3 C' E+ N& U% F9 S' [3 N - }
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 \ ?- I& L$ f. a - <ul class="nav-items">
" u g$ q- j* [9 F5 f. B X - <!-- Navigation -->
/ M1 [2 e) [% Q& m. W# Z0 C* { - <li class="nav-item"><a href="#">Home</a></li>& z$ f5 _# M& _0 k8 X& K
- <li class="nav-item"><a href="#">About</a></li>8 ?/ y, r4 m( j& w
- <li class="nav-item"><a href="#">Contact</a></li>
6 P8 d3 J& z3 O; F - <!-- Dropdown menu -->
V$ O0 [' }! s; G7 M- T - <li class="nav-item nav-item-dropdown">
! D4 |7 S% j3 t* x( q, ?7 Y - <a class="dropdown-trigger" href="#">Settings</a>9 g) L/ C$ o! Q
- <ul class="dropdown-menu">
- \1 u% b5 x* Y- ~1 ~1 t - <li class="dropdown-menu-item">% Q0 O, y3 B' C" F% U. o
- <a href="#">Dropdown Item 1</a>2 D0 ?: a2 `6 ]5 n6 V: D
- </li>
1 B) F2 k) C; y& y5 W - <li class="dropdown-menu-item">7 g5 E2 `% r) w1 H C
- <a href="#">Dropdown Item 2</a>4 j. B+ `3 G( h* Q5 W$ ?
- </li>
% m% ?3 ?% A# Z. U - <li class="dropdown-menu-item">
- W# u8 ?7 U; @9 @ - <a href="#">Dropdown Item 3</a>
9 e6 l6 {" f a2 b: _, n - </li>1 K5 W3 v% y; |+ ` m0 f0 H7 r* R
- </ul>
! a1 u/ _4 h$ w - </li>. i8 S4 F/ b2 e: \# k9 S/ ^% Y. d4 \
- </ul>
. |; c$ ?% i+ {" _ - </div>
复制代码对应的CSS代码如下: - .nav-container {
" e1 C6 L6 F2 P" y- Q - background-color: #fff;
& D, r4 W0 l& ?, C$ d3 m; D3 `, w - border-radius: 4px;
" B9 |+ U4 E7 ^ - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
+ r5 t3 g0 S) d3 y8 N4 b - padding: 1em;
7 L1 {/ U) N6 z; K$ `/ i% P. x - border: 1px solid #eee;
+ g) z' N% {2 W8 W# I8 h% w8 I" m2 ? - display: block;
1 N3 @; I0 T: J" L8 B - max-width: 400px;
\# L' ~' w1 b: q: ^! o5 }4 z - margin: 0 auto;
& T0 T" a! @2 Z' R0 C1 C9 H - text-align: center;
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- ul,
: U( w" d; m, {: E - li {2 x4 _& m9 d; z* X7 u
- list-style: none;
|' O* \; V: e+ K - -webkit-padding-start: 0;
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- a {
0 l# M1 r* @ {* y2 e, N - text-decoration: none;
B: `0 j- }0 G6 v4 D3 L# [- ?2 r7 M/ ` - color: #ED3E44;
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- .nav-item {: j, [& {. _8 ^8 o2 O
- padding: 1em;
' u* u, ]& K& r( X - display: inline;# @' E: s* o8 l0 W4 D" c
- }
2 ]" |; v& r6 f2 B1 g5 B6 i/ B - .nav-item-dropdown {7 f4 e0 c( m) M, L3 k! W1 C
- position: relative;
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P# @% d" i7 C% ] - .nav-item-dropdown:hover > .dropdown-menu {
. k9 |/ Q9 g/ W, ^ - display: block;
! U9 B+ F% m3 K8 D - opacity: 1;
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- .dropdown-trigger {; r y+ b* _5 w& `
- position: relative;5 }# r9 u% J2 ~* B1 n$ g
- }
' ^! u- o) e9 F; f5 M - .dropdown-trigger:focus + .dropdown-menu {: F0 i" {4 O8 A, }, U I
- display: block;8 z" P4 f) t4 `3 b
- opacity: 1;, I" f" F* E/ Q9 ] ~4 X% M; S
- }& G1 Z$ J+ H5 u% j! e9 B$ [
- .dropdown-trigger::after {
" [$ i4 L$ v4 q - content: "›";
, N. R. u2 w8 f! z' k - position: absolute;- w" t7 H, C% m& r* m
- color: #ED3E44;
! K4 p0 k. p" b) b+ ? O - font-size: 24px;+ f& d. v8 h/ I: e4 r- X
- font-weight: bold;( G: a; |) w$ g+ U4 H0 E" ~( f* j
- -webkit-transform: rotate(90deg);7 A# q& g0 s$ Y7 X! [$ R1 m% x; u
- transform: rotate(90deg);
8 E6 `, D1 W2 A: v& ?! ^1 i. ?8 r - top: -5px;. h9 R3 c) o6 G; Q0 y
- right: -15px;& l T( |1 z4 D# X; e
- }) k6 A6 `4 S* c
- .dropdown-menu {- H8 N$ v& Z/ T
- background-color: #ED3E44;$ C3 i; w- s2 |) S9 d& P
- display: inline-block;
3 A' d% Q4 N. }6 a' j/ N - text-align: right;
3 Z" e/ G* v, B - position: absolute;
* R5 Z9 a+ Y6 K+ ?6 K3 A - top: 2.5rem;
$ W: K5 h- P6 H! c5 p. @ - right: -10px;$ U; K2 d2 ?$ q- ~; j
- display: none;
' W2 X1 t c2 O$ o# z - opacity: 0;
$ ^3 ~; X7 g9 M, M" ~ - -webkit-transition: opacity 0.5s ease;
0 C% j% g0 K+ a5 l - transition: opacity 0.5s ease;
0 F* y2 [$ p( q( x - width: 160px;5 F; c. Q% g1 v6 _& Q+ { M
- }
5 x6 N% T. z; L- n - .dropdown-menu a {
+ s: N9 t# J% |4 a. F' W - color: #fff;2 H4 @* v" G7 \0 @6 }9 L5 K l
- }
, B+ t$ L! t" N9 M7 x' a; f7 n+ j - .dropdown-menu-item {
; Z; l' c: A, b& e& x0 I" J- t - cursor: pointer;. _& G: ]& [$ @, t4 D
- padding: 1em;$ R( A' }4 N4 g* W6 x- U
- text-align: center;' D7 }8 q- W+ p' D7 Y3 M% v
- }
; N; |$ r0 i8 x% f/ _ - .dropdown-menu-item:hover {$ P- D+ o5 |) q9 q$ w0 c
- background-color: #eb272d;
7 H( e, _: `4 _; t) ?0 ~ - }
复制代码
- ?. O+ s. J: K$ U/ ]可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">$ b E; |, p2 N4 Z# E2 O
- <!-- Checkbox toggle -->
2 h, }; K3 j9 G( j5 M- F2 c - <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">% G7 o2 B" U/ A
- <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>
$ a1 \3 o* B& m/ L$ T4 s - <!-- Content to toggle from www.mfbuluo.com-->
, P; Z& J9 M% D* A- S - <div role="toggle" class="toggle-content">
" T: j1 o. R0 S - BA-NA-NA-NA!
1 _+ q& }# S0 A9 I9 h: B" ] - </div>4 Q7 l; ^$ t7 M
- </div>
复制代码CSS代码内容如下: - .toggle {9 s* |9 @: P9 T5 y
- margin: 0 auto;
7 p# T) H+ o; z7 g' A5 t - max-width: 400px;
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- .toggle-label {/ f4 I# o; o2 u7 U: X& I& G
- font-size: 16px;4 d: r( [% n( t
- background: #fff;- B9 I- b U& t& E+ o8 Y& Y
- padding: 1em;
6 m$ A. I8 R. `) T: {' u7 f - cursor: pointer;/ e5 |5 k1 f$ { Y' v, U, K) X5 X
- display: block;4 \; K3 h2 U* t, K
- margin: 0 auto 1em;2 H$ L3 K/ s1 L [
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
( j' g+ V2 g U - border-radius: 4px;
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6 U7 q$ Z+ o# D - .toggle-label:after {: ^" h: Y4 h4 |+ l
- color: #ED3E44;; O% G0 ^2 ?) w) Y- t
- content: "+";- u) Q- h% l: ]. o
- float: right;6 _- @' r8 @5 I/ U( I! G0 E
- font-weight: bold;
2 ~. H, R9 t) n ]) ] - }
q8 q. M7 @; |- u' H8 V - .toggle-content {4 ]& R5 S0 ~% r' M) C
- color: #B0B3C2;
" z5 p7 q6 {* D# Y - font-family: monospace;
5 m( K$ [% ~' P6 e- Q Z6 A - font-size: 16px;9 f8 |; ` a* K2 x) N+ P. w
- margin-bottom: 1.5em;
2 a. `# V" F' s* ` - padding: 1em;3 O5 U8 f/ ^. V' ^8 o
- }; q- R! @, G( f/ C$ N w" X: U7 X R
- .toggle-input {) Q" A* L. J- u
- display: none;
) _. i) O( o- }* l - }
) J+ {4 m) m: ]+ m) Q4 r \* P - .toggle-input:not(checked) ~ .toggle-content {
' X5 `# P: W! r7 d6 j& _( E: a - display: none;5 O' [7 b+ t) y1 t. o4 t
- }; n. }6 L+ p# E
- .toggle-input:checked ~ .toggle-content {" O- J0 t. o D3 V! J1 T5 F' S3 b, X
- display: block;& o' f8 J7 e: n$ u
- }8 _9 R4 T9 o+ E! o5 k G
- .toggle-input:checked ~ .toggle-label:after {
5 Z# Q( y! O, h: K% W - content: "-";/ w7 k& H- e, U! e! V
- }
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