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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!">: o3 @& @( m7 U* ]7 ]$ V2 z, q; c
- Label for your tooltip/ v- L& W2 J1 `2 m9 k$ b
- </span>
复制代码CSS代码: - .tooltip-toggle {
0 ~/ C& A* n1 W) z/ U - cursor: pointer;3 a7 W( j1 c R7 V& d! I/ J
- position: relative;( u x& e4 q' E, P! a5 L
- }- c" _3 f6 F4 v
- .tooltip-toggle svg {
# U: Y' P" U, R; Z6 d d - height: 18px;3 P+ S7 B* C7 _7 U6 z2 w
- width: 18px;' K) |& Z9 i# K* `2 Y% K+ _8 D
- padding-right: 0.5rem;
& l8 V4 F, {4 E! q - }
2 O! l0 I5 d) m2 d, v - .tooltip-toggle::before {
1 u# N+ ?6 u( Z - position: absolute;# {+ @4 E; u) }" |; b0 R
- top: -80px;
' h6 E) T; h: V! [; A& ~4 ^ - left: -80px;" \' i1 x6 r- ?( E* |7 a8 q: A
- background-color: #2B222A;" x% k! d5 v- U: k9 F
- border-radius: 5px;
' i6 L0 _3 q" c - color: #fff;0 _" o& X! l( k5 z
- content: attr(data-tooltip);: ]1 b* a/ ? s5 Y2 U4 g' m
- padding: 1rem;
; r7 o: d; Q# u( V: p4 G - text-transform: none;
1 M" z+ G" e# U* S4 \. g" f - -webkit-transition: all 0.5s ease;+ Y4 v5 n4 D' m2 I; x- M' H3 ]
- transition: all 0.5s ease;" }7 }2 t' v2 w
- width: 160px;- m* r$ \ Z9 H' M1 o/ S
- }
3 L- g3 t! R/ I2 W2 v - .tooltip-toggle::after {
& k9 }/ j, v" N8 N: P - position: absolute;
9 o; c K$ e. `1 I& i$ D - top: -12px;
$ h; h# |9 v* ]" |+ C$ D - left: 9px;
4 y, C+ Z& x. g% N - border-left: 5px solid transparent;
- |* Q: K& ^) [: a; Q7 G$ _ - border-right: 5px solid transparent;
& s* M6 t7 B2 s; i - border-top: 5px solid #2B222A;, B) P6 m* B% M3 S$ _
- content: " ";
: H8 G9 Y+ s' I" c8 x - font-size: 0;
1 V7 d0 R( h C# M, Y% b - line-height: 0;/ B. |/ z) D8 e
- margin-left: -5px;* z) v1 w) ], r! y
- width: 0;, `+ ~* n# ]$ _, }; I
- }
5 x: v3 f/ O% e6 S6 O U - .tooltip-toggle::before, .tooltip-toggle::after {/ X, S' x4 k) n# Y |9 @& H0 ~
- color: #efefef;
- X& _2 f; B. H0 U, Y- A" W1 @8 T - font-family: monospace;
( ]2 |" R1 x+ y9 y& V - font-size: 16px;9 ? b6 t, F) V. o. d/ b0 Q
- opacity: 0;
. {2 m `! j0 U: u - pointer-events: none;
. l! u2 z6 |) X6 n$ P% p) Y - text-align: center;
: _9 t0 F2 F4 S3 V4 q1 n - }
/ E1 F" h3 H E8 w3 p8 z- i( X: p - .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {: r/ m* H d q! {, H$ G
- opacity: 1;, N- L: C. d. N, j0 r
- -webkit-transition: all 0.75s ease;
: k# p/ @& \) p. j8 e - transition: all 0.75s ease;# C' p2 [: C% X8 Q7 z
- }
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">
( p0 l e' Z" z2 K2 Y5 W7 w - <ul class="nav-items">+ t5 V. ^4 c1 ~/ `6 R: i- {
- <!-- Navigation -->7 t: w! v( }# A/ V& [
- <li class="nav-item"><a href="#">Home</a></li>3 O) ]% z3 N2 g+ O9 N
- <li class="nav-item"><a href="#">About</a></li>
; P% Y4 k: \1 p6 ~0 E7 u5 o - <li class="nav-item"><a href="#">Contact</a></li>
" a; d5 B1 Q2 s- q7 J - <!-- Dropdown menu -->7 e+ x8 P g, M& J
- <li class="nav-item nav-item-dropdown"> z; B1 W# m4 B' y5 }) G: I
- <a class="dropdown-trigger" href="#">Settings</a>! m9 I6 d5 @8 A5 e T
- <ul class="dropdown-menu">3 }3 b: `8 C0 k1 x% V. P
- <li class="dropdown-menu-item">
( H# |$ A) u7 w" r1 q Z - <a href="#">Dropdown Item 1</a>
1 r/ [8 y' l) t8 o" q& l - </li>
. A( b' o, u y0 G/ Z - <li class="dropdown-menu-item">: b: e W1 f) p
- <a href="#">Dropdown Item 2</a>2 w: s% O/ y2 N8 H3 A
- </li>
4 X6 _( Z z4 ]* P - <li class="dropdown-menu-item">4 s/ b, B! Z5 Y
- <a href="#">Dropdown Item 3</a>
: @- i, ?9 S0 ^& G/ c p8 r - </li>
4 s! S2 m& |1 a& _ - </ul>: B6 A) d \( A" E4 A T4 U" v
- </li> E4 E$ M A; L: J
- </ul>. y3 e% }/ s: B7 ~% _$ T
- </div>
复制代码对应的CSS代码如下: - .nav-container {! K) V( \/ }% U: w" |! z/ G9 o W7 v
- background-color: #fff;0 o0 n% H: U: e+ i
- border-radius: 4px;$ G2 E u9 z5 `6 N; L) k. }
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
/ u; l2 Z/ Q8 N; @( {3 h - padding: 1em;
5 h# {! D) x' U& ?, e. p7 v' `$ d7 t - border: 1px solid #eee;
9 P: u& [# ?; _3 w0 v - display: block;$ }4 M% |7 J4 R5 t
- max-width: 400px;$ c1 N: @' c R4 j/ P0 z! M# T
- margin: 0 auto;
" l' S: L( F) S& o1 q! a2 R" ` - text-align: center;
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- ul,
" u8 ^$ c0 G: y8 t6 b3 E - li {
5 f1 |% }' N/ ] - list-style: none;
- @* C2 j p( `! [* }" K. R- } - -webkit-padding-start: 0;& J8 n, a+ U) \; B) E) R
- }
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- text-decoration: none;' [& Q; O- u1 V$ U
- color: #ED3E44;5 s, G& {* V! r, K7 r! Z, m% l
- }' F6 R$ k' H7 E7 h3 c+ m
- .nav-item {
- H; N q; c6 U) S - padding: 1em;
9 q7 k( l: G- _+ W - display: inline;8 V, s/ c' S# _: a4 y
- }
) z# u" J* N0 ?8 R' e - .nav-item-dropdown {7 r, w k6 Z. {0 r0 L
- position: relative;
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5 e$ q4 r. q, ` d1 T# r - .nav-item-dropdown:hover > .dropdown-menu {: {0 y& s" C5 x! }+ X( C
- display: block;( N, l% ^" o) H& t
- opacity: 1;
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- .dropdown-trigger {1 R2 s; M! G, q( B/ s5 n
- position: relative;
# q% C% i1 P' [+ L! F) j1 B7 }; ] - }
% K( ~, K& r" U6 E; j - .dropdown-trigger:focus + .dropdown-menu {6 k: @! R* ^1 t1 Z8 ^, y0 {+ R+ D
- display: block;
" v9 `; F# Z2 D: p - opacity: 1;
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- .dropdown-trigger::after {
' a4 I3 H# {! [8 t) e - content: "›";! @! s7 c3 @' M) L9 S5 E
- position: absolute;3 F# g ~3 z8 |+ ^ `* [+ t
- color: #ED3E44;3 z+ ]* K( A$ d u
- font-size: 24px;+ _1 [( o4 a3 j/ I- C7 j, @
- font-weight: bold;; @8 v$ o( z4 b. l- ^1 n
- -webkit-transform: rotate(90deg);) o: l, [) v0 C) g v+ }( }) \; d
- transform: rotate(90deg);
8 f( `4 [8 V' W# j - top: -5px;
3 J$ N- x8 S2 ~! k. u - right: -15px;% h& F) K/ J5 D; P( P% ?/ y& a
- }9 r: n5 J7 u2 d" P3 o, m8 r7 g$ \2 Z/ U
- .dropdown-menu {! ?# N: S9 y: E0 I& M
- background-color: #ED3E44;$ b, S% F, H7 K( w7 ~" b5 P2 T
- display: inline-block;
/ R- G* ~5 @9 W. w# H6 i - text-align: right; N" V) x2 _$ b4 l9 D; O9 K
- position: absolute;
2 \/ ? [ l5 ^2 t: C4 w( d - top: 2.5rem;& [; v, @ w/ Z
- right: -10px;
1 L; L% ^+ [& n0 o. \ t3 j, F- C - display: none;
" c" i) ]6 j3 h; t: c- j - opacity: 0;. A n, G7 U5 m
- -webkit-transition: opacity 0.5s ease;
- q; g/ F2 i% Q - transition: opacity 0.5s ease;
/ _7 N# L. r& B# } N, c8 F - width: 160px;
' F! t) H0 ^, X5 t5 F; L8 g - }
4 ?' n" [. y2 Z. A5 ~# ] - .dropdown-menu a {9 t" Y4 C( K g1 y9 T: C9 ?
- color: #fff;9 a, l$ ^5 v) `: r6 v1 k ^
- }- \, |# n5 J# c0 U* X
- .dropdown-menu-item {
0 b% |$ I& v4 Y" `0 a - cursor: pointer;
8 P* m* p ^! {8 o/ j% j - padding: 1em;( g9 w' I) u6 Z g: [) G( J
- text-align: center;
u1 C; D" P' a; n - }8 l! t/ ~: Z0 w z2 j2 E( Z! R
- .dropdown-menu-item:hover {
- a9 i! T! W Y; i# d - background-color: #eb272d;
! ]9 g! ?% ]& K' [% S - }
复制代码
' C E2 h" {; K$ |可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">
4 B+ R6 Q% \' c6 B2 u5 p - <!-- Checkbox toggle -->, K$ K- w7 {* B0 R
- <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input"> u7 H8 s' `6 Q3 g
- <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>
; U+ I% w2 B; X, @ - <!-- Content to toggle from www.mfbuluo.com-->
7 H7 j$ |- N9 i. d3 N v - <div role="toggle" class="toggle-content">; g0 @- |: E" l$ l+ x
- BA-NA-NA-NA!
( v- D6 i# S* g. N+ S - </div>
- P" b$ p4 n' c) t+ r( \- b8 x - </div>
复制代码CSS代码内容如下: - .toggle {% I% x! z+ o z$ i, `+ G4 `
- margin: 0 auto;+ q5 y! T, }" }6 g
- max-width: 400px;# s4 V+ O b& |3 w; q, W; J
- }
4 E# w7 n$ f6 ^7 { - .toggle-label {% i) G; J& p$ a! c# b. f
- font-size: 16px;0 c$ }$ s# x6 A
- background: #fff;
& m ~, j9 O. P - padding: 1em;# u! S& s6 |( X5 d0 }2 Q( }
- cursor: pointer;
% c' z" F- T I1 A" H7 m) k0 ^+ r: S, t - display: block;1 ?2 R$ \4 Z* e- p- B
- margin: 0 auto 1em;
Z; m& v s; h( `7 C L. x3 i - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);2 ^, u5 e# {4 D" T! f0 ^. ^
- border-radius: 4px;
' B$ M! _6 Q- _; `9 r - }
+ R4 J5 s& P( @# D - .toggle-label:after {% S- I, ^% [) {5 d) I
- color: #ED3E44;8 F& v7 K; l# C6 h! D: t) j
- content: "+";9 s' f- o m+ o4 t
- float: right;5 `% a$ y, |9 E X; P
- font-weight: bold;
( {1 X0 H5 q) `/ l4 y - }
' u, X: B3 z* l% |" O+ y& n0 L - .toggle-content {
$ s7 W4 E: p, \ m: Z - color: #B0B3C2;8 T( h+ `' Z; G. R) @* ~7 b: t
- font-family: monospace;7 L$ }8 w7 Z) V
- font-size: 16px;
9 t7 ]3 }& R( ?1 s$ z+ W - margin-bottom: 1.5em;( ~; G* B+ \: [% a2 \. n
- padding: 1em;
7 M( X/ d' s+ m% ?6 n - }% W6 w: D5 `! Z; n
- .toggle-input { |: e5 N8 ^) Z/ _- p, r( K. |
- display: none;
9 y8 x" B$ s8 o2 C - }0 U& `4 X3 m8 I0 W; L. ~
- .toggle-input:not(checked) ~ .toggle-content {
5 h X3 k; G Y0 S; x - display: none;" ~$ j- r6 {3 r. O. D2 x
- }9 f/ | x) n/ v6 s' u. E
- .toggle-input:checked ~ .toggle-content {
2 z9 G6 P4 r+ U6 ~ I" S - display: block;: V5 a, [2 q# J; f1 q* z3 M
- }
6 Y: q3 G- I* T3 d3 v* y - .toggle-input:checked ~ .toggle-label:after {
i: C* Z, W% V# h6 p/ g- [7 w - content: "-";
" e" U8 Z" F p, I1 M) V- d - }
复制代码
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9 Q3 G: ~6 i2 {# {) w' y! s3 ?+ i5 T4 x2 l: u7 _/ @3 S, n
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