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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!">
8 R4 [6 I3 H# C* P7 R# b - Label for your tooltip
5 F G+ P+ ?; {' ]8 j - </span>
复制代码CSS代码: - .tooltip-toggle {
6 x Q8 G/ w$ o- n - cursor: pointer;" O, t8 C- e t( j
- position: relative;, Z3 R; X2 ~3 m2 _
- }
5 P6 o9 P' G" \3 _. W B - .tooltip-toggle svg {
+ J7 v p" Q% Z# a+ c) V2 R - height: 18px;
( Q( k# j9 S, x( Z+ f - width: 18px;
! Y4 z7 B! F% j2 K1 ~) { - padding-right: 0.5rem;
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- .tooltip-toggle::before {
% @0 Q2 S7 _5 W m3 z& A% Y1 f9 `4 q* P - position: absolute;3 W! ^; W0 p6 B, w
- top: -80px;
8 s f0 U: G5 Y2 O - left: -80px;+ x( c! T g1 v& a% E1 H
- background-color: #2B222A;$ `9 k7 l' ]* k* L! E' {
- border-radius: 5px;
" ~( {- P2 F0 Y9 K - color: #fff;% n6 z3 |0 K0 }4 `" X8 {
- content: attr(data-tooltip);
/ O+ }# t5 R4 o8 f& L - padding: 1rem;
( K1 v/ U$ o {6 M. r* E5 e4 j' p - text-transform: none;! R' X7 U, a% Q+ U* h* j
- -webkit-transition: all 0.5s ease;4 U, ?+ F! H( U3 W( L
- transition: all 0.5s ease;: a. x4 r B" L6 i$ Z- \
- width: 160px;3 U9 V3 ^; v* }+ @% P* b
- }, ~2 O! H/ U R! s# W F8 M
- .tooltip-toggle::after {5 t, X( {% i) V
- position: absolute;
1 f# B& Q. i- y3 @$ u - top: -12px;
9 S& T1 Y) T9 v5 E: c - left: 9px;
5 H- q+ Z% k; f+ I/ n& f9 X - border-left: 5px solid transparent;+ W4 Z2 ~+ `& ]; N6 G0 h' z2 Z
- border-right: 5px solid transparent;
2 p( g" V& J- j - border-top: 5px solid #2B222A;
/ s, f* S8 \# z - content: " ";
$ ~) E: Z O, _& |- i/ Z! B - font-size: 0;
6 `* O% B( N b9 \) A# W1 y - line-height: 0;1 k: j5 z$ p$ U# U3 N* Z
- margin-left: -5px;* b* s; B7 `# s! T
- width: 0;2 V# M( b4 y! M! K0 A
- }
2 N1 Y, Y1 j6 S# c7 M - .tooltip-toggle::before, .tooltip-toggle::after {6 S8 x1 n6 Z8 ~4 N
- color: #efefef;4 @" l1 \( `8 A2 A, p/ z6 L
- font-family: monospace;. r) o; _: X+ H$ s3 C! m4 Q0 L
- font-size: 16px;6 a) s' j' J: ]% a0 k: P- T
- opacity: 0;0 v7 P% ~) f6 _- l1 b8 T& V
- pointer-events: none;
# @# D4 `& J5 V0 t0 R - text-align: center;/ i% K+ {; K1 P7 U# i6 K, j
- }
* U+ q# _9 B0 S- z2 H# B U - .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {0 ? J# [* q! e) U8 l5 L5 p1 r
- opacity: 1;
/ ]6 O+ D7 p4 S" t r& M; f - -webkit-transition: all 0.75s ease;
8 s0 l1 E9 {3 H! t, O - transition: all 0.75s ease;4 n' t+ T* _1 ^: U! {
- }
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">8 r7 |% V8 k% Q
- <ul class="nav-items">% }6 q( _. ^& `; N; k% M/ W% s
- <!-- Navigation -->) u! _! d$ ^ w$ O% {0 l& L b
- <li class="nav-item"><a href="#">Home</a></li>! _ n. I% N' N: U' j' x
- <li class="nav-item"><a href="#">About</a></li>
1 C6 G" q2 N/ Y/ G- ~ - <li class="nav-item"><a href="#">Contact</a></li>
4 Q2 S4 A) [, ^' x6 o - <!-- Dropdown menu -->
& R7 t/ y' O$ Q/ R - <li class="nav-item nav-item-dropdown">) J7 R7 q/ @3 J2 @5 h! K7 D
- <a class="dropdown-trigger" href="#">Settings</a>; x3 o9 U' y% T1 r- Z7 a# y
- <ul class="dropdown-menu">6 o7 `4 S3 O/ C: H8 {2 o
- <li class="dropdown-menu-item">
6 i$ X$ E3 M/ J9 V3 M# b - <a href="#">Dropdown Item 1</a>& c4 I9 v! [" C0 p7 f8 h& r! A
- </li>
8 ~$ \2 ]4 o; c3 L# q# O - <li class="dropdown-menu-item">
: l0 q& d/ u! E: T" ` - <a href="#">Dropdown Item 2</a>
. S0 |0 a8 ?) ? u% e5 R& Q - </li>; T3 P' `% `- f
- <li class="dropdown-menu-item">5 o- ^2 ~, l( p8 l6 U3 y8 W" `
- <a href="#">Dropdown Item 3</a>
" l% i9 e+ e1 R4 ?) y. K) j, H - </li>
/ O* x. _- a/ w% r. X1 ^ - </ul>
. k7 }7 }6 I+ K0 P0 T) W5 K - </li>
" U1 c5 k, B& u/ }) b5 F ^4 c1 X+ } - </ul>
# o0 x( N8 j1 v - </div>
复制代码对应的CSS代码如下: - .nav-container {+ }5 d m) i; G
- background-color: #fff;/ i/ o/ D! |, z. e$ h
- border-radius: 4px;. f- T) T6 ?, g; t- |8 E" i; ^0 A2 x
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);/ g& d: q1 ]$ G, d. c7 v5 ~9 g
- padding: 1em;
* G" t5 s+ b# p - border: 1px solid #eee;1 l' p+ {1 r% d! }9 X) M
- display: block;
8 @( [# ~5 P4 Y - max-width: 400px;3 J/ E$ R7 T/ A" A. ^9 J# t" N! v
- margin: 0 auto;
$ ]# r/ V) q$ \: w' S - text-align: center;4 d0 W2 j1 C+ H) U3 a
- }: w- e2 _& _( D
- ul,
, z8 g) W4 y: {. a( o+ b6 Z" i - li {
3 U6 j+ u# V1 I5 J( B9 b) \ - list-style: none;8 J! ^" A; c" b% G
- -webkit-padding-start: 0;& U. [* W" z* x& Y6 [$ n; d# s* E8 b
- }
* ?8 ]: O0 K4 ^$ F - a {
2 K7 D w% `- S" i - text-decoration: none; e* U# [0 g& c) e J8 `3 I
- color: #ED3E44;
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- .nav-item {& ^# R! W/ q. f1 Y% m H6 _2 Q
- padding: 1em;% S* W2 V1 J) a# K6 r; {* X& h6 Z
- display: inline;
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- .nav-item-dropdown {
; G5 L# C* g& M' C - position: relative;
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0 `/ z0 A. U( y, t+ l4 X - .nav-item-dropdown:hover > .dropdown-menu {9 {: J) P) d6 {2 }+ C
- display: block;* p! E C& \. B0 a" ]; P6 }
- opacity: 1;3 l) s* e+ @, q6 }: D
- }
; \* k, O, {2 H - .dropdown-trigger {
% K0 r( z& e! r0 S2 | - position: relative;
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- .dropdown-trigger:focus + .dropdown-menu {
' W/ Z6 [' U. p2 W3 q' t7 m J( t - display: block;; _) T% U1 Z* ]( X9 P$ b, n% w
- opacity: 1;
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3 |$ N& p9 l7 A - .dropdown-trigger::after {, P. F5 |# z2 H
- content: "›";+ f' B! P7 C" U7 Q
- position: absolute;
" w$ ^. k t! i# C( }% _ - color: #ED3E44;2 r$ k: S$ ^& Q0 x8 |$ ?, }' W2 _
- font-size: 24px;6 n; H; A* v+ \4 X7 O, y
- font-weight: bold;6 h9 r% ^4 O% M" P& {" ?
- -webkit-transform: rotate(90deg);) f6 p; ^* w! Q+ S9 r7 E$ {4 n3 B
- transform: rotate(90deg);
' P" c1 A( g6 \# @. J7 x% E - top: -5px;
- R4 f J. H w1 l, h6 ~ - right: -15px; p. e9 J* l9 ?% s6 a
- }5 ^$ L* H, G% `. |2 Q
- .dropdown-menu {* r$ m9 a% }3 Z# V
- background-color: #ED3E44;
% n4 {+ d9 _; F - display: inline-block;, G h. [! Z& U9 z4 e
- text-align: right;- Q2 ]# Z! @( C7 z$ G* S1 c7 p$ o2 m
- position: absolute;9 m3 u7 ^: L9 ^* u, n9 A
- top: 2.5rem;9 G# I3 \, @4 N
- right: -10px;
9 w8 b) f: ^. e( p- i - display: none;
( _, I- K8 q4 _+ O+ |7 ?, P - opacity: 0;
. @" ]1 K5 }+ y& T5 c* T1 g) z - -webkit-transition: opacity 0.5s ease;) L7 h9 z6 @& S& b9 o* I
- transition: opacity 0.5s ease;& n6 Z/ B R- N% _8 q
- width: 160px;
3 d& y3 T) Y* b$ A. F; ` d( W - }
/ S6 s! p4 |8 G: w. u - .dropdown-menu a {
% ~: ?; A6 @- ^0 p: w' ~ - color: #fff;
. B; R6 `( u/ Y4 F3 D - }
2 G! L' v2 G( t* `6 P, \ - .dropdown-menu-item {
; v9 y. Q0 S, I - cursor: pointer;
/ X5 y9 x! f; D& p2 n7 L1 r& [ - padding: 1em;# c( P3 Y. ^7 H6 x
- text-align: center;
; F1 q, l ^$ \ - }
' B5 o# [4 G: _4 @6 H v - .dropdown-menu-item:hover { }9 I9 K& R. {
- background-color: #eb272d;
) K" U0 g+ E) A# [. O - }
复制代码
5 J5 q, g1 ~% e9 X4 ?可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">
. [" I9 c3 d# }% C - <!-- Checkbox toggle -->
2 p) d; c$ [; i2 F - <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">7 [( c3 k; V6 R; [
- <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>
6 f) b& ]! \0 G3 X" x* ^0 y4 _3 c# t - <!-- Content to toggle from www.mfbuluo.com-->5 Y$ A- J5 }' k2 f7 ~3 Q% Z, _
- <div role="toggle" class="toggle-content">
3 G, f) K, y0 b i - BA-NA-NA-NA!
, v7 w! q9 E0 Q* }& z - </div>
! M, Q: e, i# U7 `0 e3 ?3 u - </div>
复制代码CSS代码内容如下: - .toggle {, Q0 O+ L/ J% V* L2 @+ `4 \8 F
- margin: 0 auto;! y- o4 t. z1 T/ I
- max-width: 400px;
4 `4 O. _& C, S5 u9 W$ t - }# b7 |1 N' g% c$ P- L) S* n# ?- U! x
- .toggle-label {
( M( U( c* W- K& d+ h - font-size: 16px;
7 J, h' I+ v) o- Q5 t$ P! _ - background: #fff;) N3 _- w7 w! w6 h. L. \
- padding: 1em;
. H" ~( }4 n7 C0 w0 i - cursor: pointer;5 i( ^5 B8 L1 O) j* `( E) [( H
- display: block;. l4 J& C8 x$ ]: [- e
- margin: 0 auto 1em;/ r# h. f; K$ {. I& v3 |7 T
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
* ^% o! V/ N; n5 @: l* k - border-radius: 4px;% n/ V/ b" g5 _+ I t8 F( z
- }
0 Q- ?) J- b+ {: R% L& G - .toggle-label:after {
+ t' T' _7 g2 i! q - color: #ED3E44;: P. p1 o2 E8 d! I. Y; N
- content: "+";
0 [. o+ t2 j- S% e$ m9 ] - float: right;
' ~: q3 c8 i1 q1 }+ B; \ - font-weight: bold;
8 V: c" B( @# w) J - }
$ g& g% d- D l$ h7 F0 v - .toggle-content {5 x, g) }3 R! g: o( c* R
- color: #B0B3C2;
! k+ c4 ]8 Y6 X. z2 q3 L, q* A! L- `, k - font-family: monospace;
" M# P5 g& H; D+ `3 e2 } - font-size: 16px;
$ W6 B; N9 ^4 t1 a2 Q0 ]0 G; f- o2 a - margin-bottom: 1.5em;
3 l G4 K6 V) A - padding: 1em;
) v( p* q. p: f" Y - }4 t1 Y3 G% [. ^! [& P
- .toggle-input {
+ _- B! _7 u1 K- D0 ^9 }# W - display: none;0 \: b& I+ M6 r
- }
' E3 W5 H N5 H( G - .toggle-input:not(checked) ~ .toggle-content {
/ Y( f' u! C# s& z3 C - display: none;
: J. n8 b& d3 H) ^" O - }
8 H+ t5 B/ V, u3 Y. A+ J# |, ?$ | - .toggle-input:checked ~ .toggle-content {
/ y0 X5 @: K1 y5 y3 m) M8 e: |# } - display: block;2 X" x1 I* X8 i7 n! D
- }6 s0 w# c: L" X/ V- w# W
- .toggle-input:checked ~ .toggle-label:after {
' U# {! X( T; N - content: "-";9 ]9 l4 _! _) X
- }
复制代码
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