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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!">
$ G! R$ e( }+ N6 G- L1 ~ - Label for your tooltip
$ G9 K9 b* }8 X/ R) J/ L - </span>
复制代码CSS代码: - .tooltip-toggle {
6 S$ D" v8 s8 E* l9 L3 o- [ - cursor: pointer;
H$ E' U* |" x - position: relative;; f3 R7 C% F! |+ \' s" w
- }) h) c# `/ H/ M- N& u' N
- .tooltip-toggle svg {3 [2 @; i# ^, L/ F' x3 Z; h) |. W K
- height: 18px;& I% e" z% ^# M+ T8 D9 f
- width: 18px; g0 w5 ~9 I7 |' W: S
- padding-right: 0.5rem;1 g1 Q' ~! M) ~2 ?5 e- Z
- }) |3 X5 E8 R3 t, J
- .tooltip-toggle::before {" C6 ^8 W+ ?' v& I. B, l
- position: absolute;5 n/ w7 }! }2 M, m1 d" U3 s$ k
- top: -80px;
; O/ @9 B& |* l- V7 Y - left: -80px;5 W' v8 E6 o* D1 i; x5 `$ x: t! E
- background-color: #2B222A;$ Z. f2 O c% J- h! `
- border-radius: 5px;
+ v- B, ?5 a4 u6 o - color: #fff;
( ^0 m* O4 ]$ B% B2 R3 y; J( b - content: attr(data-tooltip);
7 M* {6 U' h2 X9 F+ Q - padding: 1rem;
' k$ ]3 L+ d# U" x* @$ x - text-transform: none;
* {6 P% X6 b3 H4 W% W( l - -webkit-transition: all 0.5s ease;
3 Y Y. u9 C! W8 ?' l% q - transition: all 0.5s ease;
; V$ t6 E9 W `; T6 ?5 \ - width: 160px;
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- .tooltip-toggle::after {
3 C! k1 i5 w* k# f - position: absolute;
0 c; ^6 w. i/ E: N - top: -12px;1 \3 P4 m3 g3 ~
- left: 9px;! W J# ]; T9 C3 ~
- border-left: 5px solid transparent;2 M/ `5 B4 U( e, Y4 `, o$ j4 x
- border-right: 5px solid transparent;
* k4 n7 F' n2 {0 k! f3 k! w! ], v - border-top: 5px solid #2B222A;! Y$ m8 @( c1 o( c9 q# D
- content: " ";
0 j2 d' H: }) G6 Y& w - font-size: 0;4 s8 K/ ^/ N! ^7 X
- line-height: 0;6 Q1 D3 z$ c) r1 n0 a
- margin-left: -5px;
! G5 G4 f8 L2 i - width: 0;
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! u: G9 H( Y" [) V - .tooltip-toggle::before, .tooltip-toggle::after {
, V; q: |7 i! y5 O7 E2 ` - color: #efefef;
6 F- q2 p/ x; {* E5 g - font-family: monospace;
+ N/ |% G5 V! {- x/ ^. i; e - font-size: 16px;
$ S+ v9 R* [8 i* |9 Q/ \# X - opacity: 0;
# T) o6 m/ |8 W3 d4 H - pointer-events: none;
) [! D: s9 X; {, H* A - text-align: center;# I, }* r0 ]4 e7 ?. w1 @9 z
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- .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {9 T: [( U- F0 X, ?: r; A7 l% [( W3 |: U
- opacity: 1;; u9 L; i7 L! S! e5 J+ c; m
- -webkit-transition: all 0.75s ease;
. b* {* ~+ q8 {8 ]( Q" A( u - transition: all 0.75s ease;( ^- o; a8 n4 T4 w' J* Q
- }
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">/ p4 j4 l; y% u* ^
- <ul class="nav-items">. O0 a4 y/ ]# Z8 R% [& V
- <!-- Navigation -->" u8 a: a/ H2 l: L# o$ M5 @ N+ L
- <li class="nav-item"><a href="#">Home</a></li>* @1 J w X: `% F9 Y' V+ J
- <li class="nav-item"><a href="#">About</a></li>& z% ^! G! T t
- <li class="nav-item"><a href="#">Contact</a></li>0 H) v t2 z+ y. @5 V. y
- <!-- Dropdown menu -->- ~$ x; y6 Z Q2 z( X6 m
- <li class="nav-item nav-item-dropdown">
; O9 v! v: Y' u1 V0 l9 F - <a class="dropdown-trigger" href="#">Settings</a>" D I- m, B' @$ v0 }5 F3 V
- <ul class="dropdown-menu">
5 p4 e. q. G9 M4 T0 Q - <li class="dropdown-menu-item">7 I: |5 o9 S7 A/ l$ d& C
- <a href="#">Dropdown Item 1</a>
. N% f; }- ]. r R - </li>
3 d8 M$ ]1 I8 h' e# V8 D- a! N - <li class="dropdown-menu-item">
! @2 D/ t* n5 b' v% b) z* j! ? - <a href="#">Dropdown Item 2</a>; R9 k. a5 j! Y) }2 S( p; X4 Z
- </li>
% z/ }0 F5 ]$ o; [+ S - <li class="dropdown-menu-item">3 |+ p i' z4 T9 d9 Q" Z
- <a href="#">Dropdown Item 3</a>5 R7 d6 Z4 r/ b1 g1 S8 z t
- </li>
1 ~( p" @: N4 N7 P% \( c9 u - </ul>
' M7 F) s) `8 k6 h9 b% S7 a: P4 K4 U - </li>
$ }) [3 ^8 S e+ d& ^/ P$ I+ O% D$ P - </ul>
/ t2 e" o g4 U# S, {+ v8 p' U8 P - </div>
复制代码对应的CSS代码如下: - .nav-container {+ ^8 ]- R" J; W+ |
- background-color: #fff;
# }$ g- x. M3 f: e - border-radius: 4px;; ^4 R! m/ D) [/ i! x0 j/ I
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);3 n. W1 e! d" e; u, W6 ^
- padding: 1em;5 j# O# d# l4 n- B
- border: 1px solid #eee;
: E9 v' \7 V5 ^; Z9 W- y - display: block;
4 u h* |) P' o" V: B: _) | - max-width: 400px;& W( d( Z) F3 R' h' m
- margin: 0 auto;5 a! Y% r( i+ O- x
- text-align: center;
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- ul,
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- list-style: none;; A: n( q w7 ^* k' V9 o
- -webkit-padding-start: 0;& E/ L# n: V- x6 Y
- }
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- text-decoration: none;* f3 q# X1 n0 v3 q1 h) _
- color: #ED3E44;
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- .nav-item {
; G7 a- a8 y' {5 n0 L6 k - padding: 1em;
, E2 `$ g" M0 ^, `+ E - display: inline;4 o9 z1 I! u3 q; s
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- .nav-item-dropdown {
* l1 {- C0 y6 ~/ @: ^ - position: relative;
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+ U' D6 [8 t% N+ Z/ c - .nav-item-dropdown:hover > .dropdown-menu {; U Q) J9 C* R# ~
- display: block;8 ]" w+ @* H1 [# ~- |% ?
- opacity: 1;
- S. [$ ^3 ~! P( s: U+ V - }
- i* ?$ ^* k. H+ Z7 r - .dropdown-trigger {
" ?* G: g$ `$ l$ e3 u) b/ A - position: relative;: \3 b0 Z$ t. f( j7 k' ]0 G! c4 I6 g
- }, ]. d( ~4 i: [; Q5 U) X( g0 G
- .dropdown-trigger:focus + .dropdown-menu {
: G3 i" j) k& w# G' ~$ L2 b" y - display: block;
" ~5 v( Y1 Q, x4 I - opacity: 1;8 v2 n/ F7 d4 A# V0 l
- }
7 X1 B% `# C/ @9 R4 ^9 ^2 b - .dropdown-trigger::after {% C5 _/ U |, e. ] j7 s. v
- content: "›";+ Y# y' i# o, r t# A
- position: absolute;
( }/ U" M4 D( X - color: #ED3E44;
q5 R$ Y5 P9 j6 D& L" W% F - font-size: 24px;( ~# k/ |9 Z" q; V% r8 Z
- font-weight: bold;' `3 f2 R" Z9 E2 ~' Z% Z
- -webkit-transform: rotate(90deg);$ `5 j8 G. b- }" F. q
- transform: rotate(90deg);
4 {0 c/ m/ @1 ? D' k. t6 `5 c - top: -5px;8 Y9 D) p0 o! @6 F7 O" v* p3 \
- right: -15px;7 O! ~9 o, ^' o- n) a
- }: [5 t b0 Z+ M( x" }7 f
- .dropdown-menu {
9 [4 I1 @, B: a+ O3 M+ J! g8 M - background-color: #ED3E44;
/ F$ s& X7 v% W# b4 Z - display: inline-block;
) [ d( U9 e+ M3 ~3 ` - text-align: right;- w& {+ `% g6 j
- position: absolute;
) q+ d4 a$ @+ C# v - top: 2.5rem;
$ S% o2 f+ a2 J- n8 L - right: -10px;
) C- n8 m+ {4 [5 j - display: none;* @3 M7 ?! Z% F# o1 i# Q1 x/ i
- opacity: 0;3 @9 J; p J1 o/ k7 L- [4 b/ |
- -webkit-transition: opacity 0.5s ease;7 G! r/ I6 s% M& ]3 M5 U. v
- transition: opacity 0.5s ease;5 g" Y7 y% ~9 m2 v; S( a" H
- width: 160px;
' y; W( x4 n. U% A- G8 U9 F - }
# W+ z$ I, Z5 v - .dropdown-menu a {" F# T5 u4 X# t0 v
- color: #fff;& E' e) @8 M: n
- }
; r7 Y' m! D9 W4 H - .dropdown-menu-item {, P5 L' E" E5 u9 X3 G4 b% a
- cursor: pointer;% l. @$ U0 V% }% E0 J/ m! |0 R2 t
- padding: 1em;
1 ]* X+ {& d" a* C: @ - text-align: center;
& q% X4 a" p& b" v8 o. m. h - }$ O; B3 u7 z/ x; {# z+ y. i
- .dropdown-menu-item:hover {
0 l2 T/ _8 q3 H+ c/ k: B4 P" r1 h" F - background-color: #eb272d;* r# M3 U$ c1 {* |) v# d% ]; A8 s! F
- }
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1 X" x- X8 r) `6 j) i可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle"># T, r, e3 B# `# h4 e6 _1 s
- <!-- Checkbox toggle -->
4 {8 L' s m4 h. q' w, | - <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">
% ~* _' V1 B6 U0 H7 u6 H - <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>% A- o; M, b, C/ l% s
- <!-- Content to toggle from www.mfbuluo.com-->* P, _8 ]. ]& i- e$ n( t
- <div role="toggle" class="toggle-content">
: ], W* y* G8 V) J - BA-NA-NA-NA!
" O8 p2 l2 Z K, |6 A: l& F' F5 F - </div>7 X% x: d% ?' T8 J
- </div>
复制代码CSS代码内容如下: - .toggle {
6 _( j) f" S2 {- s+ e - margin: 0 auto;% }! r1 H9 k* N% A8 @
- max-width: 400px;
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- .toggle-label {& ]) T* V4 D, {# G: g
- font-size: 16px;
/ G3 T' s( r2 a5 Q% @ - background: #fff;& S3 g7 M. q+ \! e; l* X
- padding: 1em;
- [7 P3 Q% s9 ]6 _ S5 p - cursor: pointer;5 X0 h' W3 M; e
- display: block;! [& `* p5 J T9 Z8 c# q- Q
- margin: 0 auto 1em;
4 {( l! m0 s" e1 f - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);. o3 P s" j* M. B% k7 c
- border-radius: 4px;2 t& E d) v) X0 b) l6 X7 a
- }$ w {* s; F) G5 F* N ~
- .toggle-label:after {+ R" r, v2 y- b$ s9 P
- color: #ED3E44;( W5 E) L+ i8 E: b3 Z
- content: "+";2 ~* m/ v# q' B' v2 l ]
- float: right;/ O( w& _* ]3 f3 a7 s/ i
- font-weight: bold;
- {: k* j; |* d0 j% J8 } - }7 x" Z7 X2 E- E- [% }! r6 d0 V2 I
- .toggle-content {7 }1 [) w) K4 y1 M' t) h
- color: #B0B3C2;
7 Y6 V( V/ d' u% J5 r7 o- N - font-family: monospace;) n; X. o' F% l) W- M$ i1 N
- font-size: 16px;
# _2 x u- u4 T9 X" d2 q - margin-bottom: 1.5em;; ^3 \. ?$ c4 z$ l3 J0 @* y
- padding: 1em;
8 ~( X& q# D& Z/ T% w - }2 S4 G& [8 k" T' d% E" o- v8 l
- .toggle-input {/ _2 R; {8 j( p6 E# Z* }
- display: none;% o) P4 u2 k: l8 D2 l
- }6 {2 a9 i/ Q% X7 h6 n3 w$ {
- .toggle-input:not(checked) ~ .toggle-content {
4 j2 G% J# T; u4 \& @ - display: none;
! @/ A/ V& Y! S6 v6 ` - }' n. u; [6 B3 w: O" Z
- .toggle-input:checked ~ .toggle-content {
2 _2 b8 x& P& C3 x - display: block;$ q0 R/ \& `8 z% B/ g- Y3 z" u9 _
- }
$ k$ g/ r$ i, r0 H4 K - .toggle-input:checked ~ .toggle-label:after {
. s- h7 m1 C- M5 r5 U4 Z9 F1 g - content: "-";- U% o& N, M2 I b# \ }
- }
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