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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!">* |- O5 s+ S. w( A( R6 E
- Label for your tooltip
" `/ W s1 D: G$ n/ Q8 K - </span>
复制代码CSS代码: - .tooltip-toggle {4 h) v% i( O [* ^1 h% t5 w& v
- cursor: pointer;8 x# h# p: A+ e: ^* x
- position: relative;
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b& ?; {8 z: X8 a) _& p8 U- M - .tooltip-toggle svg {# F ]8 i4 q6 B
- height: 18px;
7 _6 Y7 ^# q; x3 D - width: 18px;
8 M: S. x* J) _! l. j - padding-right: 0.5rem;
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$ C& F# o/ ~& R: p( L! t" @ - .tooltip-toggle::before {
) q: |/ s2 ]8 O s - position: absolute;
- P3 J4 N, p+ w8 n. v* l6 e - top: -80px;" D4 [' {" B( Q- @7 B
- left: -80px;
. C% M. P1 F/ T9 f - background-color: #2B222A;
% i# V6 v5 u$ y5 [ - border-radius: 5px;
' p) |# R/ ~, k: ]# {* i - color: #fff;9 c+ `) Z$ ^ `9 Z, w. i2 E8 s5 c
- content: attr(data-tooltip);+ X3 Z. N; S" V+ l
- padding: 1rem;
7 a; S3 s0 E2 P# u0 }9 M3 ? - text-transform: none;: T7 m7 t7 ~2 O+ f6 m( k
- -webkit-transition: all 0.5s ease;* q& \% ^; Z( f% p
- transition: all 0.5s ease;7 r; m0 S6 B( {
- width: 160px;# k1 P& p! t: y8 T" t
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- .tooltip-toggle::after {. D! @, ~: {. E4 R" p; z% E5 ^
- position: absolute;
! Z# F5 ~1 L4 S - top: -12px;& ?$ h" i e- R
- left: 9px;
* l/ [; S5 c6 D - border-left: 5px solid transparent;7 n' c, `# l" `0 e' d
- border-right: 5px solid transparent;) Q9 k3 S7 Q/ z; R& k" O% y
- border-top: 5px solid #2B222A;* B* L1 |9 i9 @, _
- content: " ";; @2 j4 w6 C! _8 [5 j+ d% ]
- font-size: 0;7 E, k; H8 q0 `1 B
- line-height: 0;
3 F- ~3 N6 N% y5 g - margin-left: -5px;
) n4 j' I* D; y* w - width: 0;
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- .tooltip-toggle::before, .tooltip-toggle::after {
' r; d! p) n* q8 R' C2 D2 E - color: #efefef;1 n- B- S( C! x/ k; ~
- font-family: monospace;* }5 B7 J. D' l
- font-size: 16px;1 C2 l( p; a/ u( u. u- M
- opacity: 0;
$ `: Q/ D$ @4 g5 J - pointer-events: none;
. ~4 m0 z# f$ f& l0 z - text-align: center;& R+ {/ b' j' j1 k4 C- N8 a+ F0 x
- }
( K2 ?; T2 V7 C6 A - .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {
7 q1 k+ d8 u$ W: r9 G* U& W - opacity: 1;& O. R' N% ~1 k
- -webkit-transition: all 0.75s ease;- k" y7 O" q' G0 g; C# R4 S
- transition: all 0.75s ease;2 ?( W2 \ q X0 J5 L4 ?
- }
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">6 n3 z- I6 v( S
- <ul class="nav-items">
5 y- F( N6 G \. E7 L - <!-- Navigation -->/ z. L2 z4 `* y) n" m; w
- <li class="nav-item"><a href="#">Home</a></li>
9 }4 x6 z' P. U! c4 c - <li class="nav-item"><a href="#">About</a></li> t0 Y. r l$ G U3 {
- <li class="nav-item"><a href="#">Contact</a></li>
" P% x8 q: ` M4 Y& Z$ _% F5 V - <!-- Dropdown menu -->
" t. g/ D+ Q" k o2 ]0 S - <li class="nav-item nav-item-dropdown">
$ O% _4 k2 T1 t" h$ m! f7 N - <a class="dropdown-trigger" href="#">Settings</a>! m, u, C4 \! C/ m) O: s0 w0 k7 g
- <ul class="dropdown-menu">2 H7 _, h6 Q3 I3 F
- <li class="dropdown-menu-item">1 k- |" B& c. v( s2 x
- <a href="#">Dropdown Item 1</a>
5 k3 \' Q" w# O% P9 B - </li>
( x; w2 A4 B. ?" v9 t5 ` - <li class="dropdown-menu-item">% h9 `5 j5 j# N" g- h8 K
- <a href="#">Dropdown Item 2</a>1 l, R6 W/ o! y; g
- </li> ~* \0 Q8 r& b5 R, a
- <li class="dropdown-menu-item">7 n- _ E, {5 |
- <a href="#">Dropdown Item 3</a>! C& c# z0 `/ n2 ?' J: E$ K
- </li>
/ t4 u* A: `, D# d2 P8 ~ - </ul>
4 k, C- [0 j" Z+ W - </li>2 O+ N. o% H& w1 t
- </ul>. a1 B1 Z; e) d! u. i
- </div>
复制代码对应的CSS代码如下: - .nav-container {! Z) y% M; W) {
- background-color: #fff;2 j" q$ t. X& J& s
- border-radius: 4px;
5 L: k/ E2 P4 m X1 k. w! ~, ]: K - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
9 K4 H7 l% N3 s% r0 H - padding: 1em;0 A/ T( t) O3 M$ C% Z% l
- border: 1px solid #eee;
; B3 U: n4 L$ C4 J; p - display: block;3 e4 ^! a1 v, m( O* Y# K0 r6 A
- max-width: 400px;
/ O# N0 M3 c6 x* X - margin: 0 auto;* t* @ I" J; [
- text-align: center;
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- ul,1 q, `- G+ s5 M! X2 k9 \
- li {
$ V! z/ I7 F9 |) t* V- y2 S - list-style: none;: q4 l, e E3 a) s* p
- -webkit-padding-start: 0;
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- a {0 q3 m3 n7 B* ^
- text-decoration: none;, [5 w8 ?$ J9 |- |6 T
- color: #ED3E44;
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- .nav-item {
: g$ J. a- O& m/ }8 P - padding: 1em; t5 V, \" G1 s/ \9 @0 C
- display: inline;
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- .nav-item-dropdown {6 z- i5 @: u! E% S0 D" S5 ^6 P! Z- v4 r
- position: relative;& K' v) u2 ~ P2 r
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- .nav-item-dropdown:hover > .dropdown-menu {
/ |7 y" _9 _4 }0 C% @6 e9 s6 l9 v - display: block;" l6 ^. \" \4 d: W9 @! P( E
- opacity: 1;
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- .dropdown-trigger { B9 B: v+ L; A% m% A7 ]( q
- position: relative;
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3 X Q3 a! V3 y5 a5 c+ ?; G2 p - .dropdown-trigger:focus + .dropdown-menu {
" y a3 y& K. d* c% T - display: block;
/ z7 I2 f5 s3 [1 O7 [ - opacity: 1;5 j2 k8 w7 ~ E
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- .dropdown-trigger::after {
/ l3 [0 p+ ?9 s - content: "›";
; r9 c; H& t) Y2 O - position: absolute;
$ W; M9 V& N. R# x5 I; d- X& D - color: #ED3E44;1 p& g3 K; ]$ N4 s, }
- font-size: 24px;
3 m1 n; H2 d# d: o$ n$ Y' L# k; [ - font-weight: bold;. e7 l" ]( o% m0 [, G& o8 _8 p& T4 n
- -webkit-transform: rotate(90deg);9 w) }. y! p$ \0 v* b% I8 c4 D, f
- transform: rotate(90deg);
$ z, T( t: i" H& b4 m - top: -5px;
9 e; n6 y) h! R: \+ K5 t0 U5 _ - right: -15px;# @9 V( \: C5 h5 N; U
- }
& e. O- M. }$ q0 R) v - .dropdown-menu {# ~; Y3 L; ?" M( [- u6 o6 `6 n! U
- background-color: #ED3E44;
3 j& P2 w! f4 r7 e: | o; Y; D - display: inline-block;
3 ^. i! }8 X+ V, ]' J2 _2 k - text-align: right;% j* r8 Z2 ]3 h) ~4 c8 ]
- position: absolute;9 X8 c1 h* \8 S0 [# C, B
- top: 2.5rem;
# O* l6 W6 S' h. j4 o$ {7 }% N; l - right: -10px;
a7 h; z# n6 k4 P: I: Z - display: none;1 e# t% g. y# E, j# c5 Y& d
- opacity: 0;- }# U# c- A: T) T- B
- -webkit-transition: opacity 0.5s ease;) U6 q" R5 m5 u7 H8 N4 z7 {
- transition: opacity 0.5s ease;
4 v3 |, Q) y6 M. ^+ L - width: 160px;
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- .dropdown-menu a {
8 t, ]: c; V5 [/ D& a% ` - color: #fff;
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- .dropdown-menu-item {
( }7 b0 x0 E1 u3 C8 D - cursor: pointer;! ~# s- N! u2 s
- padding: 1em;
; i. C3 x# u( k5 K" N! Y0 Z5 ~ - text-align: center;+ J3 `9 I# E7 \- ~/ r! G
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- .dropdown-menu-item:hover {4 i2 n) P g* Z
- background-color: #eb272d;# Z: D$ U. W/ Y" z- P
- }
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7 z, s3 a6 I3 Q/ J可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">
$ D) M8 f0 e2 h( n. d7 [ - <!-- Checkbox toggle --># }. e' ?6 }( u* w% L& `
- <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">
, t$ M. ?; v6 W - <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>2 G7 K3 [; c" M' w4 D
- <!-- Content to toggle from www.mfbuluo.com-->. S0 J! ?" [; ]& S
- <div role="toggle" class="toggle-content">% S C3 [0 m) @& ~$ d
- BA-NA-NA-NA!9 F# o' u9 ^/ l7 w# l1 D
- </div>4 f. }/ W1 J+ R5 m; X4 x& ^/ E! |
- </div>
复制代码CSS代码内容如下: - .toggle {- H( e. K# R2 |, `2 r
- margin: 0 auto;
& @# _+ O0 Y& u - max-width: 400px;* s6 ?2 }7 v3 [* n
- }
) A1 p" j6 \3 j7 G/ { - .toggle-label {; j8 G, \5 Z7 E U" C5 ~
- font-size: 16px;+ }2 |& P- v1 F: e6 E
- background: #fff;
: s# \3 F. l h; K( e6 {9 B% ^ - padding: 1em;
9 @. y/ J% D6 t5 k5 g - cursor: pointer;+ Q" T( v$ t2 ~5 w7 k1 C. u5 n
- display: block;
/ J+ M3 q/ z' O+ l& V x - margin: 0 auto 1em;5 c; C' _+ u( k1 ^. H
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);+ s5 q4 |8 ^6 ?. p& w* H
- border-radius: 4px;" y; [* q5 @5 F9 K6 O9 s. ?
- }
2 F" F5 y1 t* \) l - .toggle-label:after {7 ]+ w* o: Y6 i j3 z- ^' m
- color: #ED3E44;
& B8 C+ f! v; g" J - content: "+";* p- P3 u; p& F/ T5 n
- float: right;* \, [: Y: R1 T
- font-weight: bold;
5 \6 w7 s# S6 H+ `, W% u) { - }/ x/ ?) V% @( R0 x
- .toggle-content {9 T1 b& w* u: T% C! z) t+ E# s
- color: #B0B3C2;* H5 e2 N l1 o$ b# L
- font-family: monospace;
% L- Y2 Q7 ^; e+ W - font-size: 16px;+ f. R4 Y o- H# X) `# D7 s' o7 V1 t
- margin-bottom: 1.5em;
( k2 U9 \ N' L; U - padding: 1em;
/ B% x. U' s; h - }
2 h( E1 M+ b9 |- E/ Q: S$ P - .toggle-input {; X- n h6 r7 U& {# r( j( L
- display: none;
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- .toggle-input:not(checked) ~ .toggle-content {' y% C0 [. n1 g7 _2 Y1 A: l( s
- display: none;
) V5 Y: S/ f' t - }
( H% R- t& O8 P% n4 v; t: Y2 C4 K - .toggle-input:checked ~ .toggle-content {( W0 b- w( Q( Z9 p0 `
- display: block;
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- F4 y L& g: ?9 t( ~& Y: ` - .toggle-input:checked ~ .toggle-label:after {9 o) \6 k, ?- b' J1 m7 U$ e
- content: "-";
: t/ A8 }$ K/ J# c+ e - }
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