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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!">4 D' Y; h" v& ?& B( j
- Label for your tooltip
4 v% i2 n R7 V: H) }% }8 R - </span>
复制代码CSS代码: - .tooltip-toggle {. P6 B, H8 }5 x0 D8 n
- cursor: pointer;
4 S3 k% X3 J$ ^) V+ F& f1 ?% } - position: relative;
8 A9 {+ @) B1 q. o" j/ J9 B - }
+ P& _6 d1 z/ J4 J8 E7 } - .tooltip-toggle svg { O7 s+ b' v: L! \
- height: 18px;$ j$ r" Q W7 N
- width: 18px;
6 N Q2 N( \( E - padding-right: 0.5rem;' L( ?5 h: i {4 f# g# e
- }6 y' h/ L/ d" p; r5 O' ^) ]
- .tooltip-toggle::before {2 n f0 T `1 G
- position: absolute;6 {9 C/ D: e/ ?* W) P
- top: -80px;5 V* y: S" U# @9 ]- H# D
- left: -80px;
2 D, v- v! _7 H5 x - background-color: #2B222A;
, h' |4 _# C8 G- t% c2 l2 M9 @9 u - border-radius: 5px;6 g; c( |; n, R% J }9 |4 J2 R
- color: #fff;! s- i3 p, O1 Y F+ H, ^
- content: attr(data-tooltip);: {9 S m: t) Y: N) M! o9 J" m
- padding: 1rem;
2 u7 u$ I5 `7 X8 Z. b$ ^' d2 \% z - text-transform: none;
' e& I7 I( f. _; X0 C, c, N - -webkit-transition: all 0.5s ease;
/ u" f; _/ T; H - transition: all 0.5s ease;( }: N q+ v M
- width: 160px;$ q+ T& a% J$ U
- }' c* }5 z. D# t: }
- .tooltip-toggle::after {
4 O* R, |8 S. x$ s: K$ \2 \ - position: absolute;9 v4 E L3 ]. c: g; l$ u# \
- top: -12px;
3 C% V; }8 Z; q6 s! R - left: 9px;( B) o B# w- x3 R. e
- border-left: 5px solid transparent;
; T' k4 i# s0 Y+ o& j3 h& C: S - border-right: 5px solid transparent;
- H1 _; z$ P& k4 ]! H! B4 w - border-top: 5px solid #2B222A;
( j0 r7 U7 [# z# h - content: " ";" t0 r) a6 g h5 i
- font-size: 0;
' {) ]* X6 b3 W! y6 j - line-height: 0;
* S( {2 q; G5 S" G3 s7 M - margin-left: -5px;2 n; H! n* H' Y
- width: 0;# y6 g$ K. E0 b# u- a" n2 G
- }
1 k, M0 g4 f1 _) K0 C$ ^ - .tooltip-toggle::before, .tooltip-toggle::after {3 c- q: i% B: l3 N5 U" X
- color: #efefef;
$ c9 U0 ~9 }2 f' I! I - font-family: monospace;
W0 M9 j% V8 g x6 m6 n - font-size: 16px;* [" s3 x2 }# n, Q9 R N
- opacity: 0;
! V9 G- ~3 J5 ?0 z - pointer-events: none;
: f; v1 L% V/ D1 c - text-align: center;2 Q: Z e1 g7 @. }. ~
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- .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {8 ^1 E8 ]* ]) c# {% O( Q3 k$ x
- opacity: 1; o, L1 E" ^/ [& J
- -webkit-transition: all 0.75s ease;
6 |1 s% d- s. d$ Q - transition: all 0.75s ease;/ @$ D, t# o V$ W6 P% x
- }
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">1 x" c7 L* Z& U. O
- <ul class="nav-items">7 j9 c4 Q8 c9 ?3 i, y& e' P
- <!-- Navigation -->
& \+ w& g4 b8 M F: J- m( ` - <li class="nav-item"><a href="#">Home</a></li>8 W. S" k2 p" L# ~
- <li class="nav-item"><a href="#">About</a></li>, ? ]! C1 \! w; ?1 O* `
- <li class="nav-item"><a href="#">Contact</a></li>
4 k: k/ J# ~) g* T3 h4 j; A0 L, Z - <!-- Dropdown menu -->
2 K9 L: p7 d- X - <li class="nav-item nav-item-dropdown">
" m1 y& [3 n+ E: c - <a class="dropdown-trigger" href="#">Settings</a>$ a, e3 \9 J, A% J5 f& \5 s" ~
- <ul class="dropdown-menu">
: ]# P! d) |0 b0 f* m" r3 p, z - <li class="dropdown-menu-item">
: _( Z. }$ _( B d - <a href="#">Dropdown Item 1</a>
# V& \9 I$ p5 V4 j" ?- ~/ j. U - </li>
( K9 ~5 r5 X3 t7 S - <li class="dropdown-menu-item">
. @' i; N1 l) }0 v - <a href="#">Dropdown Item 2</a> L! ^ r9 g4 o5 F; Z3 y8 ^
- </li>
8 u9 _+ f' ^- K5 U - <li class="dropdown-menu-item">$ y2 l( i7 v9 a8 e
- <a href="#">Dropdown Item 3</a>
3 p! V+ t) q0 Q, }+ o- L S - </li>
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- </li>( L$ P$ g9 o! |2 R
- </ul>4 S+ o. a% k* P/ e
- </div>
复制代码对应的CSS代码如下: - .nav-container {7 U7 y# k8 G/ [5 ~9 Q
- background-color: #fff;
1 {+ J- e' M; r& \6 ^ - border-radius: 4px;- O0 r( p. q/ m+ A4 d( x% T
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);2 j7 W3 Y5 m( G# e ~. ?3 |
- padding: 1em;, w+ m. M) D. t( [+ m
- border: 1px solid #eee;
1 v& V7 i& M7 t2 r }& E3 T7 j3 ]! ` - display: block;
/ q/ \) C8 B9 h9 | - max-width: 400px;* C$ c. J& ^! @' }6 P2 u2 A
- margin: 0 auto;
8 i9 [+ H$ K) V3 P& T& g! k6 P$ E' d - text-align: center;- w2 d; A, [! {6 D& r
- }
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- li {
Z4 o, p! K# O, N: g2 E4 x5 k - list-style: none;
5 _5 l! e3 q8 |9 l3 f) Z& Z# | - -webkit-padding-start: 0;
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- text-decoration: none;9 T8 N3 M, u/ V1 ]3 e, {& z1 u
- color: #ED3E44;. p% i2 K% L4 p# f* T8 e. N& ^
- }
$ {( a2 h+ a/ E: e; s- e/ v7 Z - .nav-item {1 L5 @6 b% Z" B; S' j$ q6 i/ J
- padding: 1em;
+ ?- A/ P7 L# u5 M& N - display: inline;; b! {* R+ G5 R( p
- } ]: x' w8 S, }: r
- .nav-item-dropdown {3 |) L# ^' N9 g- \2 F7 B8 I
- position: relative;
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3 O1 Z+ p# z" I - .nav-item-dropdown:hover > .dropdown-menu {
( Y( O: q+ d$ t, m/ h - display: block;7 B( _7 {0 H7 Y7 V
- opacity: 1;' z: }+ C9 O2 T8 B( T9 N
- }
' ?9 { V2 Z# s! {) [" S ^# \7 x - .dropdown-trigger {
9 J8 _% V& r& r* ?) z6 s - position: relative;
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- .dropdown-trigger:focus + .dropdown-menu {
( _" e3 O6 `& y$ a1 x% q/ p+ M - display: block;$ ~" `9 U! ~; C# \5 p3 @/ {
- opacity: 1;
# ]2 e ~2 ~. I+ p0 r - }
& A$ q) j2 l# V! s; o) ]6 V% v) q - .dropdown-trigger::after {
2 g; L" p+ H' K3 k1 u M) n - content: "›";; n5 l& R( Z K
- position: absolute;* W' }) q2 |8 e: G( C# i
- color: #ED3E44;. Q1 m- t, m4 `& L' }2 _
- font-size: 24px;8 a- ^8 }/ E, j5 @1 o7 i
- font-weight: bold;9 U& z2 g. v9 H- e* w; `
- -webkit-transform: rotate(90deg);
3 _7 g' K. T) K6 w - transform: rotate(90deg);" G! h, i! e$ a9 ]/ {" f
- top: -5px;/ k k% t! t# J) s8 W; W
- right: -15px;
. N( Y3 N# L; x3 l( i9 \5 s. G: \ - }
5 K- p' h0 X( V0 _# g$ @8 M - .dropdown-menu {
2 z# q/ z$ d; h, G5 ?: s" J3 J - background-color: #ED3E44;
# d4 b- f# c8 D3 t1 @- V k - display: inline-block;" |+ x0 b6 r( ?" Q: k
- text-align: right;
+ V2 I% i0 q" i& @# d( T7 k - position: absolute;$ Q( @# q2 M, h# r) b
- top: 2.5rem;# l) Z4 ^5 U- ^7 a; W6 w; B4 d L
- right: -10px; u. ]6 b i- r* M
- display: none;
9 Z7 u) p; v( a) w( S - opacity: 0;4 B& i) D3 v8 T8 G0 p) Q1 v
- -webkit-transition: opacity 0.5s ease;: V4 x0 A9 H, I7 p* f
- transition: opacity 0.5s ease;0 \: o4 C$ j9 a t
- width: 160px;
, Y3 ^8 K1 W- O - }. V) z5 n% l' c" k$ t) z
- .dropdown-menu a {
9 Z% ]( }: I8 {" L. k - color: #fff;6 O7 c: |0 O: o9 ~# J5 U% i
- }
: e3 o- k& o" } - .dropdown-menu-item {
) t. V$ J+ K3 X9 g* U - cursor: pointer;: \# X) L7 ]: X! |, p
- padding: 1em;' \" N0 E4 e0 `/ r
- text-align: center;
6 A* F$ U4 [6 ]5 \. a! K. Z - }
9 h% Q z. e9 C% |% n! }& O; S - .dropdown-menu-item:hover {9 Q' E- U/ n8 S+ T; p' x- ?
- background-color: #eb272d;9 f% |9 q1 P- X; _
- }
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/ V9 |9 L3 o9 s. D% l1 ?* N2 y可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">
1 A$ b( T" O; t: V+ y4 X - <!-- Checkbox toggle --> N4 w4 v* V1 s! X. B u @
- <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">! x/ G! k: N- d- S
- <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>
# t+ a5 i+ O0 m% H. d - <!-- Content to toggle from www.mfbuluo.com-->( f/ |7 S- I( W3 J. h2 E! }" M
- <div role="toggle" class="toggle-content">2 U" y" O. X# t$ G4 K- O4 ~
- BA-NA-NA-NA!6 b# a6 E; N7 F! \$ o0 }
- </div>4 @/ A, ^6 J) J# w: ]- O* J4 i
- </div>
复制代码CSS代码内容如下: - .toggle {
3 \8 j1 S$ ?1 i9 X9 R" M: s) k - margin: 0 auto;
2 \6 X2 f) C: Z* q% N - max-width: 400px;
) A% U) E3 O- `7 ]. i - }
9 k6 \4 k5 }( o+ [5 B. O2 }- e - .toggle-label {
- s* z, F' R# U! _ A - font-size: 16px;
% @; P& n" _7 f& o( {5 M$ l. s8 \5 p - background: #fff;$ }$ G; z, M1 U4 F
- padding: 1em;
1 W& G; l* M5 b& X4 N - cursor: pointer;+ I# y' ^, M2 p0 K! {. |! ~
- display: block;9 c) q2 f( N7 L
- margin: 0 auto 1em;
0 j* A; H! Z8 o, z+ d3 h - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
: F d9 x. Q9 f - border-radius: 4px;
q1 L0 j& B4 x) f, h/ `, L - }" g7 k3 h/ z8 j8 L# {, w; E" L
- .toggle-label:after {
" I9 `- \: l) c( P7 u5 Q( H - color: #ED3E44;
4 _4 f _. X2 K* m& {" T - content: "+";
5 C- c/ X# c( c, P8 S/ n7 M2 M' H - float: right;8 L+ D* B4 E' c3 r4 t2 _3 h
- font-weight: bold;; }5 t# G& v& v8 L1 T( T" s
- }
5 s- e0 Y" |8 U) _ - .toggle-content {
6 I$ Z- q! t) H% c; b& A. B - color: #B0B3C2;# W& x% T) v' g2 A' Y% g
- font-family: monospace;
: m2 Z5 t5 l) ~9 _. G/ r/ X9 z, X - font-size: 16px;% w6 n0 M$ Q' Z. y
- margin-bottom: 1.5em;4 w* y( ^1 J# ~! ^$ t" S9 @# B
- padding: 1em;
3 T& E+ n- \% T. Z - }/ E* m1 {% r1 T( I! t5 j2 r
- .toggle-input {$ o- e5 G" O8 X% i8 U9 E
- display: none;
: E- p1 N7 p2 G - }( B+ D! _2 `: ^, c- V, e, I
- .toggle-input:not(checked) ~ .toggle-content {
- S& R2 f6 z" ^9 x$ Q9 h - display: none;
* b7 H2 H/ t1 @' Y - }
; ]0 a! v) e# \/ Z- o) ^0 P - .toggle-input:checked ~ .toggle-content {( ]2 n; L3 b. r* B2 x! a" o
- display: block;; Y, u, R/ Q( j6 _# T4 c
- }
9 V) i( ~3 }5 n% Z; U3 [$ ] - .toggle-input:checked ~ .toggle-label:after {
5 h3 i9 i5 a J1 N* b+ j( W - content: "-";
( O) U# I4 u/ }' n# f - }
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