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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 g. M6 C' ?7 ]* K4 T- N+ @6 f
- Label for your tooltip
a$ ?$ N8 U1 u" R2 |- ^9 R3 [ - </span>
复制代码CSS代码: - .tooltip-toggle {" P# K0 p" v6 \ P3 t m
- cursor: pointer;
, M# P( q0 J- X5 f4 B2 U - position: relative;' L$ d1 t6 e* v$ ^
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- .tooltip-toggle svg {! b( a) N4 |4 }( J
- height: 18px;
$ Q2 @# Z8 P! Z3 w3 g& b/ S - width: 18px;0 l& L0 d7 ~2 ^5 k' s9 i! P
- padding-right: 0.5rem;
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- .tooltip-toggle::before {
% Z# v1 k9 n- T i9 h" `7 ` T - position: absolute;* [/ a s4 b. ]
- top: -80px;
# x1 ~' t( P8 b. r" I' @/ o - left: -80px;5 k) i; H8 Y1 I0 }* O+ _
- background-color: #2B222A;% |# z- Z6 D% w& m' }
- border-radius: 5px;
2 }4 ?& R y0 b. \1 z/ L, A - color: #fff;
0 E0 i& q* a# v7 y: u - content: attr(data-tooltip);
* G+ ?% j8 S/ n: B - padding: 1rem;$ }, `# k- y1 p( E. {. m
- text-transform: none;( f1 v" V0 R5 n) T
- -webkit-transition: all 0.5s ease;/ C. K0 ?, a/ m4 K/ g
- transition: all 0.5s ease;3 a8 Q6 f' {" K# c0 {; l7 P
- width: 160px;
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" d7 u2 e$ ^) T7 ?; M - .tooltip-toggle::after {' P# H7 J9 ]: W/ q, e& y2 L
- position: absolute;1 q* x; K" z' j* l5 W( y% U2 k
- top: -12px;
, A; F. b$ o' _. S- f, t - left: 9px;
9 |* y4 u: N. f2 |- ` - border-left: 5px solid transparent;9 C9 O/ O; W# g; A5 R$ q) b
- border-right: 5px solid transparent;
- F# g0 L; P K- X - border-top: 5px solid #2B222A;
, a% e8 a+ X6 Q - content: " ";
& l( q6 O5 _8 b - font-size: 0;
: i- N8 V i) {1 S/ |2 _& w) @ - line-height: 0;
: c& W( x9 [6 f. F - margin-left: -5px;+ _/ U: Y8 J2 @6 S+ R% c
- width: 0;
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O5 ]: e$ C! n) u U" K! F: G - .tooltip-toggle::before, .tooltip-toggle::after {1 q0 Q' L3 c" G* x; v
- color: #efefef;: |7 |/ k) p) r/ N6 b
- font-family: monospace;
( W9 H; C' \. W0 K5 @5 Q9 W0 Y. k7 b7 G - font-size: 16px;/ Z0 _ Q" z2 I0 n
- opacity: 0;
' i+ L3 l! Y5 w4 I! \ } - pointer-events: none;
- i+ x! N( A, B: l& ~' y. j$ L - text-align: center;
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- .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {; f) _% j# x6 I" u
- opacity: 1;1 B% \+ Q) j2 G4 |! A, s' O3 |. x
- -webkit-transition: all 0.75s ease;* p7 M; w. Y) N& {: P
- transition: all 0.75s ease;, z8 P: ]2 \) u1 S# w+ o Q7 V
- }
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">
* D) ^6 J* P6 A" E/ o) h/ k - <ul class="nav-items">
2 L" w% h: \2 n- I0 R - <!-- Navigation -->6 I3 ]& f* P! e" Y3 }+ @
- <li class="nav-item"><a href="#">Home</a></li>
, M) u5 O8 H" S9 M - <li class="nav-item"><a href="#">About</a></li>
$ r& \5 d* C' c0 H - <li class="nav-item"><a href="#">Contact</a></li># V, l: I. [# c
- <!-- Dropdown menu -->
: C. ]) ]6 n3 X$ `# |: ] - <li class="nav-item nav-item-dropdown">% h% ~/ e) ?( g- {& B5 d
- <a class="dropdown-trigger" href="#">Settings</a>
8 E0 D+ q6 B$ ~- a' U3 O5 [ - <ul class="dropdown-menu">
( [$ d$ x. G# H+ o" U - <li class="dropdown-menu-item">* |/ S6 @6 h# V& u+ \
- <a href="#">Dropdown Item 1</a>
T( h+ ?, M# d6 S& S l - </li>
- s/ W/ c& H8 A5 {7 C - <li class="dropdown-menu-item">
, [5 x) ?$ y! p& V, X: I3 G- p - <a href="#">Dropdown Item 2</a>
" Z/ G$ t: O. w: r O) P: {' z- [ - </li>' F5 D7 E/ J+ z5 R9 a: w) r H6 m
- <li class="dropdown-menu-item">4 g. |: I0 H- R# T9 n. r: w
- <a href="#">Dropdown Item 3</a>
9 a- e7 |- M0 U+ N8 k - </li>! f, i" v* u) ?* }
- </ul>
0 c) L, O/ W4 g) h! d- s - </li>
2 q4 l; r' k7 R- ^/ ` - </ul>
. H7 x7 Z- X+ ^ - </div>
复制代码对应的CSS代码如下: - .nav-container {5 B* X, K; w4 m5 {) Y9 _/ y0 _
- background-color: #fff;
# ?: z! [, c& U6 h) F: q# { - border-radius: 4px;3 V+ e, [8 \1 x' X, q9 F* S6 z2 Z
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);0 ^2 J0 X1 ~: X
- padding: 1em;- S6 m; Q% G7 t6 X
- border: 1px solid #eee;
5 @# E/ l `& E* M( U" X& H - display: block;3 F$ p( C$ |7 a! \$ ?$ d6 z/ I
- max-width: 400px;
$ }4 @2 U7 w/ g4 Y - margin: 0 auto;
3 q! D% g7 C' B" ^/ { - text-align: center;) }& ^! D, u0 @+ d& k# `7 k( i t1 D; \
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- ul,
% Y8 \ i) |& |" ^ - li {" M& l( ~) V1 e
- list-style: none;
1 v6 ?/ s7 b- a6 K' m! c' \ - -webkit-padding-start: 0;& M: W6 @! \1 e
- }
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- text-decoration: none;. f o9 h5 u' n. I- d
- color: #ED3E44;1 C7 s. G' ~% W& [0 b
- }2 S3 }4 m' r: K& c! F& K7 \* K
- .nav-item {1 x$ |$ g- h; g& X f! ]6 x
- padding: 1em;
. ?' s% K' U) V6 _ - display: inline;1 Q& u- w b6 N# j; U- m8 X8 t
- }
. d3 D- f; P( \0 v, a - .nav-item-dropdown {, C% M8 M9 u0 j9 T0 `2 K/ |0 m
- position: relative;
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- .nav-item-dropdown:hover > .dropdown-menu {
( I( ^% R0 F3 w1 W - display: block;4 S7 G) Q* i6 }7 F, X! D. ?: X9 d
- opacity: 1;
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- .dropdown-trigger {( o- |5 J& q. Z1 x, I
- position: relative; A: s2 e4 N7 ^; L8 v8 n+ Q
- }( G5 s. M9 ?* a8 U
- .dropdown-trigger:focus + .dropdown-menu {3 `' b0 z+ d8 q' C+ S- C
- display: block;
$ W0 C9 P- m4 w/ j/ ?/ @4 c - opacity: 1;
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/ t4 u6 v. t( x* K/ [ - .dropdown-trigger::after {3 d1 O& N* V+ ? t) L+ l- P1 M
- content: "›";3 w1 _/ A8 F) ?, ~9 A# ]
- position: absolute;
+ g8 m2 R7 G- P: A - color: #ED3E44;! ]& I( T0 v+ y; c# n }
- font-size: 24px;
2 w4 y5 t. S3 z8 P$ w1 i - font-weight: bold;
/ r" |5 x C n$ y: R2 u! s8 ~ - -webkit-transform: rotate(90deg);
3 ^* f3 V( Y8 k* s4 s) k - transform: rotate(90deg); Q6 H% v. R, O$ g. v1 A# B" \
- top: -5px;" z0 `" s# n, p$ u2 A+ P: p
- right: -15px;
2 \' z) @& p3 [5 W5 ~' |7 O' L3 l$ E - }
$ z8 U4 I7 J6 A- l# ]( P4 T6 Q - .dropdown-menu {3 k% ]9 Q/ h I6 d
- background-color: #ED3E44;
" l6 H6 Q+ b3 }: k - display: inline-block;/ e4 g6 o( O" x
- text-align: right;
8 ]* x9 Q$ w0 A - position: absolute;
# ?- @6 E* ^+ c) D' I - top: 2.5rem;
+ E5 n5 P* p" j1 I$ l; t, E' Z - right: -10px;
3 o$ k. S4 B) k, e: C6 Q1 X - display: none;, w0 Q, w0 J$ B: {8 f* N3 k9 W, f
- opacity: 0;
# j3 \1 W( t) v - -webkit-transition: opacity 0.5s ease;
" J; E" s$ a' q - transition: opacity 0.5s ease;! P0 I8 O: S: D. j" r
- width: 160px;, i, P, x1 G( `1 l6 l$ X
- }
1 b+ X& T5 j4 z/ D - .dropdown-menu a {( R1 s7 g7 Q" [7 O$ T
- color: #fff;
$ x5 A$ }# D& z2 `0 I. H5 k - }
" Q3 p& n7 y& Y. h8 d - .dropdown-menu-item {, d3 [* z+ I, B
- cursor: pointer;2 Q. N* k9 U4 @0 F6 K
- padding: 1em;
" x5 V' W- s& Y$ k - text-align: center;$ j- }3 D! e4 p3 n' N
- }
# j1 ^/ `% Q& t; @, n1 X - .dropdown-menu-item:hover {' C! ^4 y. I9 L) Y& p) d k
- background-color: #eb272d;
4 B# C( c' p2 U G# S' N6 W - }
复制代码 $ d- y+ `/ K& Y m' P0 C, y+ T
可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">, W$ E. [& ]& R" s; ~+ ~
- <!-- Checkbox toggle -->/ _1 f0 i- ~* P5 |
- <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">9 n/ E8 n, T" m& U" ]" b
- <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>
- Q; m) J0 {' ?) Y/ m8 Q4 C - <!-- Content to toggle from www.mfbuluo.com-->
: e7 k& P+ G: R) h5 P2 K& {2 D - <div role="toggle" class="toggle-content">
4 c y' ~. T% C9 b3 J0 A - BA-NA-NA-NA!6 Q' h- X. C: G' G8 S
- </div>
2 @4 R3 Y4 D1 r* @ - </div>
复制代码CSS代码内容如下: - .toggle {8 W- c9 J0 x# W, |0 R
- margin: 0 auto;8 G: c9 M) O: b, [( ^6 }
- max-width: 400px;
# }9 Z( ~# x d+ `' f - }. T/ B; K. `6 v
- .toggle-label {. ^6 a; a' Y- u) B7 G3 c$ u
- font-size: 16px;8 \/ a8 ^; `' H- v1 q, T
- background: #fff;& l+ |" o8 y* \- q
- padding: 1em;; n/ l: U% p$ p6 E
- cursor: pointer;
$ ], ]8 H# a9 a7 T$ P1 D. F6 C - display: block;+ l% S. G4 l- `7 r
- margin: 0 auto 1em;
4 n7 S3 r. x# j7 u) O9 ^5 {: [2 [ - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
5 q* [5 m! Z4 L4 s - border-radius: 4px;
2 l- h7 C/ o6 W6 x$ ~6 k4 G - }" _0 h& I! h' i0 |/ N) ?$ j
- .toggle-label:after {
, B. z5 }! z. `4 n6 [ - color: #ED3E44;
+ r8 b% ^% |) U3 H Q - content: "+";
/ @( P) R- [1 v5 G/ h! H - float: right;8 r( n# F% {7 E$ J) E
- font-weight: bold; `* N) M2 [. ~8 I1 z- \# W
- }
9 F: w7 ?* `7 r1 R - .toggle-content {& S9 w3 k- A8 u/ E U. x
- color: #B0B3C2;6 m% I6 C/ T* J- b( q# t
- font-family: monospace;
. {3 \% h6 L& `% X! Y6 D6 h - font-size: 16px;
# B8 F$ a& k3 P, b9 r1 |$ c - margin-bottom: 1.5em;9 V( G' m+ @ p; v1 Q4 M: f
- padding: 1em;% g% `4 R& F6 S" P
- }
; \% c( D2 K1 n- C - .toggle-input {9 B }' Q7 O: U3 v
- display: none;/ f# A I/ t2 @: Y8 e
- }
$ L# C- F2 G, ` - .toggle-input:not(checked) ~ .toggle-content {
# y* V5 `; T: s6 ^& V0 ]" |3 q - display: none;/ S/ k, `8 h$ h) S
- } r, j5 k; H0 U$ i
- .toggle-input:checked ~ .toggle-content {5 c7 h) |9 g9 X( g5 z# Q( c; ~
- display: block;
. L8 d- ?3 V4 D - }" h9 G7 W6 H8 K5 a
- .toggle-input:checked ~ .toggle-label:after {
9 G% u E% H$ H7 \! t+ y - content: "-";
9 f4 F* Z/ i- ?/ o - }
复制代码 , P5 Z: J- `0 ]# m8 `- V4 g7 X
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