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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!">! W' a. x: _9 [$ @5 V* {
- Label for your tooltip
+ f7 d3 I% E( Q - </span>
复制代码CSS代码: - .tooltip-toggle {
' c- O7 q/ W" B& v - cursor: pointer;: `3 q' h5 k& _" \; ?2 y8 p! X$ @
- position: relative;
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- .tooltip-toggle svg {; f& b; C. |9 Q( T5 @1 I
- height: 18px;6 k6 D3 o0 e+ ^' z) S( d+ v
- width: 18px;
6 _/ G- j8 \4 i0 V% N+ Q- D c- | - padding-right: 0.5rem;
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( h: b# ]3 k ]1 @/ n) Q* c - .tooltip-toggle::before {: k! u6 q: N$ d
- position: absolute;1 a/ J% e# B7 g2 R
- top: -80px;( ?0 E; }8 b0 o- u3 k/ S
- left: -80px;9 o- Z) ]! Q, o- c
- background-color: #2B222A;
3 j: b! u" }& o' |0 h - border-radius: 5px;: L& G: o: s- I! \ U
- color: #fff;( }) T2 Q1 `+ u$ D
- content: attr(data-tooltip);7 q5 @* |* y. J: `8 ?
- padding: 1rem;3 D# g( l, W) ]* x
- text-transform: none;: z( V( \# x- j/ f+ Q$ p1 L4 a
- -webkit-transition: all 0.5s ease;
8 }+ ]! A+ V/ l/ ^' M/ _& |/ j - transition: all 0.5s ease;
5 D) } @1 f- {; g, ` - width: 160px;; }6 ~1 Y/ B" [
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- .tooltip-toggle::after {8 [9 R- ^1 C% L/ X
- position: absolute;2 c4 N) Z6 ^+ \) L6 i0 D1 l
- top: -12px; K' A1 f: t; g3 g P- L/ d
- left: 9px;
$ r* R2 E4 d( K& o# J9 g - border-left: 5px solid transparent;
$ O% c7 b' T( W$ ^( T2 C - border-right: 5px solid transparent;$ _$ g! G: I- Y& x8 l6 n( e
- border-top: 5px solid #2B222A;
`/ n* K6 s+ J- O+ ~+ H& b# b - content: " ";
0 e7 z( t0 L$ ^; ?6 T3 ^- O - font-size: 0;+ B' w5 Q+ o, q4 Y
- line-height: 0;
3 n% j) [* X) M- [ - margin-left: -5px;
p( O" [9 L% F& M6 ` - width: 0;
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- .tooltip-toggle::before, .tooltip-toggle::after {
# _2 a4 D* p0 J+ b$ R - color: #efefef;
( x3 X* `/ A5 x e- x - font-family: monospace;
! A: L3 a: L) v8 P, t8 H. o - font-size: 16px;
) m$ p: o- X" ?9 [) I3 ` - opacity: 0;$ _5 z9 A- y0 N- }0 d4 n; V
- pointer-events: none;
. D2 \* ~# \3 V: b2 `8 Z - text-align: center;+ w, O6 C# d& }7 z( |, v( P
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- .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {
" e+ ?* S' @' y+ A4 p( ~ - opacity: 1;
& P1 I. [ \. J" }' y; `9 z - -webkit-transition: all 0.75s ease;
! T7 l: N$ t% E0 E9 L9 c5 ]0 ? - transition: all 0.75s ease;' S- z" P9 K5 y( F- E
- }
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">9 o& f. R6 z7 j8 `7 {2 f$ ^' E
- <ul class="nav-items">
8 y& V1 _% H1 y, W - <!-- Navigation -->" @$ G: \1 Y: n: r1 W q, m$ k
- <li class="nav-item"><a href="#">Home</a></li> I$ t4 y6 @6 K9 X, q& R
- <li class="nav-item"><a href="#">About</a></li>
; s1 [. N' J: ?' g, b - <li class="nav-item"><a href="#">Contact</a></li>1 S; e3 V1 ^ K; \! B
- <!-- Dropdown menu -->
5 `5 f g* p2 d6 v4 Y) K - <li class="nav-item nav-item-dropdown">$ z* q. U5 y5 m) P
- <a class="dropdown-trigger" href="#">Settings</a>
2 D8 X9 N9 j% Y: l& m. ]) f+ s - <ul class="dropdown-menu">
i9 B8 @) d, ]( g& a - <li class="dropdown-menu-item">4 M! E1 E9 D$ z( ^+ L- i( G5 i
- <a href="#">Dropdown Item 1</a>9 h, y9 V, X/ n( F! f
- </li>
0 v" X3 s2 K: q* H# D" C - <li class="dropdown-menu-item">
/ T! l7 @% {0 C/ x - <a href="#">Dropdown Item 2</a>
+ w0 U4 u9 ^' Z) R* y+ g - </li>8 T: e4 d. `6 T9 x! A
- <li class="dropdown-menu-item">
4 O4 U/ I6 n% Y) V( |1 K+ t - <a href="#">Dropdown Item 3</a>
* ?+ [: k# ^) s - </li>
5 A2 k: _3 F, ]: S* q - </ul>
, o# F/ U& J. `! R8 G% \ - </li>
: ~; F" @! ~) P. E - </ul>9 S7 v$ O! r% m) P
- </div>
复制代码对应的CSS代码如下: - .nav-container {
1 @, c' Z! e# p) n! Z; d - background-color: #fff;
8 t2 A. L7 D/ X/ v' h$ ^ - border-radius: 4px;. c r; y: Z5 _' D
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);6 S% I6 Z5 Z8 ~4 [ f5 E6 u
- padding: 1em;
e3 C9 N* f* c - border: 1px solid #eee;
& v* T' \/ g2 w; D' a! s - display: block;. K8 ~$ B1 V8 l; Y" N) F8 u
- max-width: 400px;. W0 ]; s. k8 `9 {/ _/ | Q
- margin: 0 auto;. v$ r% \) n" y; v9 y
- text-align: center;
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- ul,: A/ w8 z* y1 c6 B! l8 F6 B" ]
- li {3 z9 C0 ?: Z2 [" J c
- list-style: none;3 _; G) Y, t/ v' p" _: N4 o
- -webkit-padding-start: 0;
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- text-decoration: none;
4 p R: m: q) @& J! k! ]: j - color: #ED3E44;
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- .nav-item {
- B! H+ P) `4 Z7 f% _# K - padding: 1em;( M7 Z2 o+ X! e9 L: Q$ _
- display: inline;- r% a3 v$ j1 P+ R6 B+ q
- }
8 p9 {1 V9 C) j7 U. r - .nav-item-dropdown {* l) T' a( h0 J: Q: t2 e) r
- position: relative;. _7 [2 s2 a% k
- }
, J" S4 E- I+ W; n - .nav-item-dropdown:hover > .dropdown-menu {4 D: ]3 p# d/ R4 v3 D- G) I! G% m2 v, H+ W
- display: block;: ^" G6 d/ t" h9 t
- opacity: 1;9 a; Y: f; l1 Z% C) X% A
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- .dropdown-trigger {( {7 u* W' L6 z- {, U* [, _
- position: relative;9 [) z* k# ?* O* A; q& ]
- }
$ L8 V. c% m' V/ H6 c - .dropdown-trigger:focus + .dropdown-menu {( u& e- l& v8 b
- display: block;
+ c% Z2 q. G: @+ a6 ~' [ - opacity: 1;
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- .dropdown-trigger::after {4 q) R$ c1 C7 o" e$ x
- content: "›";9 A+ c5 N7 Q2 E, n4 N/ ]' q2 U
- position: absolute;
; Q2 r7 w4 g( k9 v, u8 n - color: #ED3E44;
" @: ?/ q3 D$ J) u - font-size: 24px;. S9 T! F" Q( t1 e' B
- font-weight: bold;7 H( g" @( O' M5 G6 O* P1 L8 S) G
- -webkit-transform: rotate(90deg);
$ Q% h R, t# m, K% v- a0 F1 W9 [* n - transform: rotate(90deg);4 j6 q( k) Q" Z0 C0 ?0 k9 A; P
- top: -5px;
! h0 h9 E2 U. i - right: -15px;
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- .dropdown-menu {
6 Y0 `$ E1 r8 m2 c- W - background-color: #ED3E44;( p) U9 I. G b% i
- display: inline-block;0 _$ l9 ~+ A/ v
- text-align: right;. f+ }) H3 S) W
- position: absolute;
! _3 _3 p9 @9 I# `( j$ w - top: 2.5rem;' i- P; v' _& n7 n( C
- right: -10px;3 Y5 ^$ ^6 `* A/ }- q/ P
- display: none;
; I* l9 l3 P- `) n1 v - opacity: 0;6 s9 R/ x) Q; B C7 S% f# F
- -webkit-transition: opacity 0.5s ease;1 i9 o8 y- p, n1 G% K
- transition: opacity 0.5s ease;5 w) t5 r* B0 O# j$ Z% C3 ]; @& W
- width: 160px; I& t. D( k" h: a
- }6 n; Z+ k% ?% E& D
- .dropdown-menu a {
- `6 l3 ]9 A* d, i0 f: d - color: #fff;
" D) L d# v: h; I2 B; S% O5 I - }
6 J& J6 X9 [3 B* s - .dropdown-menu-item {
8 h5 H" v/ d! _3 L7 ? - cursor: pointer;) i! g$ x7 Z' B1 O6 }; D7 }9 w
- padding: 1em;, E& p G! r: w: B" ?
- text-align: center;
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- .dropdown-menu-item:hover {5 M7 X6 W. C: Y6 x, Y
- background-color: #eb272d;
& f% m# B/ ?8 f6 }9 J/ Q, ] - }
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2 p9 B7 n+ V" b" v; y可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">8 c( R% o* d" }, R" n- N
- <!-- Checkbox toggle -->) h. q- m, _0 q- [. b& t. v
- <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">
6 T6 q5 M8 L4 \% x( w - <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>
# R l! e; R6 j& y+ s+ G { - <!-- Content to toggle from www.mfbuluo.com-->
" h1 C/ k; X8 j" H - <div role="toggle" class="toggle-content"> R2 e% u% S2 V
- BA-NA-NA-NA!: _: B) k( r7 A2 s2 r; W
- </div>
5 S: Q* `4 \9 z: M9 F7 D' u - </div>
复制代码CSS代码内容如下: - .toggle {& W$ ?, G- Y- [; j x9 B
- margin: 0 auto;7 r6 O% h) C/ a4 }$ Q* Y' w
- max-width: 400px;
4 I$ r5 Z, j2 ]% ]: r# Y. {, M - }
9 S! o+ E6 b! V" [; ]% S - .toggle-label {
3 ?6 ?0 t4 r( ]; T, k1 S0 T7 S+ f - font-size: 16px;2 z' s0 p; Q w
- background: #fff;
+ a; x: L4 |' P" }1 g - padding: 1em;4 R9 Z$ _+ t. T, p4 v U
- cursor: pointer;( A; q M0 c+ c
- display: block;
& R8 T6 V$ R( s( ]9 r5 A6 A' k5 n! m- W - margin: 0 auto 1em;
+ c+ R! R( o! i ~ - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
) _. J' u6 Z6 R4 g9 X4 T; \6 V - border-radius: 4px;0 P6 U- B& t" v p7 H4 Z" T, E+ r1 s
- }
7 [5 x A* R. l% ]1 n! i - .toggle-label:after {/ D, l( T1 h. @( T- j
- color: #ED3E44;- @+ _9 {* K( @1 [0 L
- content: "+";+ s& {8 m U+ p5 ?
- float: right; U* n7 `3 E$ ?
- font-weight: bold;" O: H4 D2 q% S- p
- } ^5 Y5 I8 d0 U: Z0 n C) @( \
- .toggle-content {- h7 @. v# I% Y0 @- H
- color: #B0B3C2;) z3 h% ~& T2 {9 I0 F, |
- font-family: monospace;
V8 [9 M2 ?' z: l - font-size: 16px;5 G; v9 f3 W4 B
- margin-bottom: 1.5em;* X' F% X' ?9 y4 u
- padding: 1em;
& j" t6 n2 D( K3 L - }
! I4 T y2 Y. b; h% U* f& g& l - .toggle-input {- r5 L: A' A( v+ t9 t1 M& E
- display: none;) ^; R# \9 j; o( m8 ^* l& s
- }9 o. G) M9 R. r
- .toggle-input:not(checked) ~ .toggle-content {# \% _- S7 d& D7 N
- display: none;
9 u$ c' w+ M3 p/ ]: F - }4 R( \4 s. @8 L6 E
- .toggle-input:checked ~ .toggle-content {3 z7 b: `% ?* c9 G+ w1 u) Y, j
- display: block;
1 _9 j. L5 {+ }' o9 Y7 ?& u - }! H# e) \9 S5 B- w' }5 U% K
- .toggle-input:checked ~ .toggle-label:after {
P# z/ |. w: d4 B+ v - content: "-";
2 w; C! h: g. A5 C& Q" C; d3 q$ M - }
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