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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!">7 c3 J# a2 U$ O+ s8 ^' ^9 r$ A" V5 H
- Label for your tooltip
2 ?: {' K: e8 R3 L* T+ k. d0 k( C - </span>
复制代码CSS代码: - .tooltip-toggle {
- a3 w3 o+ ~% H - cursor: pointer;
+ n% x" F" o3 G* Z5 \! F0 A - position: relative;; a$ n0 h$ V( b$ d0 O" ?% i- E1 `# w
- }2 _2 p5 B2 u& N& t2 h) E2 L
- .tooltip-toggle svg {
% z3 M4 `5 r: O* X - height: 18px;
3 c1 Q# G2 v7 z1 M; c - width: 18px;5 O- x; O8 p; L& H# m! f8 N3 a
- padding-right: 0.5rem;
1 i D0 t. M. o! f( K+ y* ~/ \) s% j - }2 M1 r3 S1 O1 m2 C
- .tooltip-toggle::before {
& M {7 ~* T3 z: H# F- ~ - position: absolute;
; S* N* C; n& r6 K - top: -80px;
: \; H- P& { t/ } - left: -80px;
( L2 L( A, O; _" w; n/ U - background-color: #2B222A;
4 d. i3 e4 D, |, e# F# n" S - border-radius: 5px;
$ ?+ U$ m& H: J3 V - color: #fff;
2 d9 k. ` n2 @5 E - content: attr(data-tooltip);
, P" q& I. f, k - padding: 1rem;; F6 V3 @, K$ T' B8 s. y0 k
- text-transform: none;
1 \: u" f* S, i" g$ {* ?, h6 U - -webkit-transition: all 0.5s ease;% G- e& S5 d7 Y& w. X
- transition: all 0.5s ease;& o/ }' d, F+ a4 `: i3 w5 ?4 ~
- width: 160px;
5 D7 E+ y: D- Q& J) S1 ?: n5 i - }
- |& o9 E, D$ t9 |, |% | - .tooltip-toggle::after {) g( b% h2 C' G6 l/ s# f% a
- position: absolute;. J. D; p0 M+ b, b$ T$ n/ `
- top: -12px;6 t0 @7 v/ X. B/ j
- left: 9px;$ O1 G' ]& X. o) y2 h: Z5 I
- border-left: 5px solid transparent;
' P( {% X5 B# g; N& T$ b- J" [6 O - border-right: 5px solid transparent;6 j$ a5 Q6 f; r# K* m
- border-top: 5px solid #2B222A;
2 q! G; i2 J. V3 f - content: " ";
; F0 a K6 F% a7 p - font-size: 0;" m" e; n% I0 T
- line-height: 0;1 K. `/ d0 m& j- }; T# a
- margin-left: -5px;
; G H: p6 S" E: h - width: 0;( d4 a5 Q1 {$ y" s6 y7 [
- }
) w. h1 V# K' L2 V! n( p - .tooltip-toggle::before, .tooltip-toggle::after {- n, m6 K9 A- @$ a
- color: #efefef;
( r+ X+ W3 C. L3 v$ R1 U - font-family: monospace; J) n* B; t0 V, ?! p: N; \
- font-size: 16px;
- V, v D6 [; E' B; X( m) g0 I% e - opacity: 0;, U' |6 H. E7 V* A
- pointer-events: none;
, Z+ v3 z7 d7 v5 Z* I: d ?& ~ Z - text-align: center;3 k- D! g1 |( h7 {
- }7 g+ T' e/ k4 P7 o* A
- .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {1 e6 T* N2 G" L8 }9 ^2 G
- opacity: 1;
( I: k; r4 c2 @# M2 K& a9 g [- }4 c - -webkit-transition: all 0.75s ease;
) ~) M0 ?' W) b4 W, O8 ?( ]6 Y5 u - transition: all 0.75s ease;0 {; c& j; C3 U+ r h* g
- }
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">1 m+ O( G; [7 }2 J
- <ul class="nav-items">4 l7 S8 Q5 N- O' ^( Q
- <!-- Navigation -->
' d! r, Y- i/ _ - <li class="nav-item"><a href="#">Home</a></li>5 \* e0 r# V! C
- <li class="nav-item"><a href="#">About</a></li>
! {7 [ Y; w5 P2 }3 o6 n: z - <li class="nav-item"><a href="#">Contact</a></li>9 \' O/ v( [4 g
- <!-- Dropdown menu -->' l* A0 H' H. k! ^; s, e
- <li class="nav-item nav-item-dropdown">
3 q3 M6 e, j ]( ] - <a class="dropdown-trigger" href="#">Settings</a>: ?& u) G1 b. d% V
- <ul class="dropdown-menu">
# g, r# E' U1 c1 W - <li class="dropdown-menu-item">
$ \+ U& R t8 |9 Z - <a href="#">Dropdown Item 1</a>
: [3 I" I; U n - </li>
7 k f8 ~* r. s* K% } - <li class="dropdown-menu-item">+ Z- a' i* v, I, `, V
- <a href="#">Dropdown Item 2</a>8 ]2 S7 a, S- h1 S
- </li>
2 p% l9 Z8 t* J6 Z- \" R - <li class="dropdown-menu-item">
; h8 t) V8 g, w% b - <a href="#">Dropdown Item 3</a>
: o$ T) ?! d8 J# d) N' D' P - </li>0 R7 a8 ?' M, V7 o6 e
- </ul>: [4 q9 i% l% w* Q5 b& G
- </li>
& t" m7 K" w- a$ M$ f7 w- K - </ul>
2 Y! T6 ^$ E, \7 ]8 Z - </div>
复制代码对应的CSS代码如下: - .nav-container {
! T! o- h% O. g/ ~8 y i& r% r - background-color: #fff;
1 G6 ]' m( }1 e1 O( L8 Y - border-radius: 4px;- ~8 A5 T8 }+ V2 v- f9 i' j# X H* a2 G! j
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
; Z5 V- ^( J( X$ {9 R - padding: 1em;* F3 P# V/ b' N6 y& B5 N
- border: 1px solid #eee;* n* I1 M5 ~2 n r0 j
- display: block;6 C$ h# E) W/ S& e* }
- max-width: 400px;
% Q0 e8 I2 u+ } - margin: 0 auto;
0 L+ B' f6 R* w, z. W# g - text-align: center;
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* `. f8 T; {& @* C3 m - ul,+ m2 q! p% g! Z' ]
- li {* v0 {+ N7 n. T' R9 `
- list-style: none;
3 O! _% B+ B. s% I7 }( i, g - -webkit-padding-start: 0;
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- a {
" k' g( K/ H7 D2 s5 H. G - text-decoration: none;, O8 c4 e4 N1 ^* e+ @3 J$ u" z
- color: #ED3E44;6 A- w7 Q: x6 d. i
- }* i3 B* W. i. M) a6 Q. J
- .nav-item {3 N/ }7 A% x: Y
- padding: 1em;
' M! E2 Q1 W: D6 Z0 K' e* u5 R& c - display: inline;* |2 {: q: q2 l2 }8 F- J
- }! `( h: p1 y3 V2 `5 r' E5 G/ q
- .nav-item-dropdown {
& a O: p) N+ V* K# u5 B ?; e# \ - position: relative;
4 C1 W+ c) _) s- A; {1 c) j - }
( {5 i$ T) _3 k0 B - .nav-item-dropdown:hover > .dropdown-menu {& f2 u) m+ e+ d( d0 P# a) B
- display: block;; a" _1 _. H6 K( {0 C
- opacity: 1;6 c Y- { v ]( A3 N5 ^( o
- }
V0 H, f! P+ w- `( m; m4 U - .dropdown-trigger {2 M& V; A7 K2 Z
- position: relative;
. m/ i. i# R' _, z: g) E# x. v - }
" A* [+ f1 n4 e& z7 A0 I - .dropdown-trigger:focus + .dropdown-menu {. W2 m# H+ Y# w
- display: block;( h: d t6 T9 A, O/ d- m& L
- opacity: 1;7 e3 B. f8 p+ i' N, u7 o
- }
5 X4 h5 e; O0 } T S$ v - .dropdown-trigger::after {
3 l5 ~! r( D6 ^& r - content: "›";2 ?3 g7 I- z8 D' ], z8 g6 g
- position: absolute;
6 F2 Y& e4 {8 e+ U7 {2 ? - color: #ED3E44;+ m6 P6 j7 A E" n
- font-size: 24px;! V$ k3 E# |$ R0 J& j
- font-weight: bold;
+ Q* l6 E3 t! S9 W- L - -webkit-transform: rotate(90deg);
8 Y! ~6 c' t' A8 j - transform: rotate(90deg);- x% {: ~* \, @! E% P" t0 b
- top: -5px;. k+ }( C$ H; f) A
- right: -15px;6 ?& A B$ Z1 T3 C. |4 v* X/ _
- }
/ g' E" p3 ?! F - .dropdown-menu {* L/ i/ J& S+ p' N+ K' m
- background-color: #ED3E44;
% d" C) K/ f- P6 A2 E h4 z - display: inline-block;6 x% Y2 D6 D9 q/ y
- text-align: right;
5 _1 Y3 r" A$ S1 U; Z - position: absolute;
" g" N3 m" e4 n! j" T& p: W4 i - top: 2.5rem;& q2 {% }0 j; o2 B8 Q
- right: -10px;
" Z# x1 M- [# f0 x" E( C0 i - display: none;" ^% w6 Q+ Y% z
- opacity: 0;, |4 d3 D9 O5 f/ W1 Y! f
- -webkit-transition: opacity 0.5s ease;5 t3 O" k- D. F* P
- transition: opacity 0.5s ease;* j2 F' E! g5 k z n! U; P
- width: 160px;, `! F3 @3 f7 ?5 ]* C
- }
W7 Z& D) { d$ G - .dropdown-menu a {
6 O* A8 |" J" E1 _ - color: #fff;
: X* ~0 \8 [0 @/ J; a! ^$ C - }
6 f0 K4 l( h% w$ Z# o# o; b& A& @ - .dropdown-menu-item {! R% d& c8 d( }$ A3 S& K9 \' e
- cursor: pointer;+ P0 D R; n& J9 J0 D6 R* o
- padding: 1em;
3 B% j$ ~- ^: e( [& s2 B8 s) \ q - text-align: center;2 ^4 A2 S0 O- m& f
- }! `, V, E$ b; B% \
- .dropdown-menu-item:hover {
: ?6 d) ?9 O3 Y# T - background-color: #eb272d;
6 B/ C9 }7 U( [ - }
复制代码 3 P3 T0 |( h. I6 ^6 m
可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">. `/ O( g: d- b" g& g( w
- <!-- Checkbox toggle -->7 D, e- ]# @# w& [; g! Z* c' a
- <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">+ f# V5 s/ C$ x3 W
- <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>' S, V6 f' Z- A0 [7 P, ^" x5 c
- <!-- Content to toggle from www.mfbuluo.com-->) Q, m R( Z" Y2 `3 U
- <div role="toggle" class="toggle-content">
; i7 D5 W3 N7 W' [ - BA-NA-NA-NA!
4 c3 ~4 | |5 c9 c k7 \8 v1 A - </div>0 D4 E& t5 n, e. b# [4 [
- </div>
复制代码CSS代码内容如下: - .toggle { e" b; L2 E$ C! {3 o! z! t
- margin: 0 auto;& z8 \, R Z, F) X4 t
- max-width: 400px;& D$ G7 |( W& ~5 p; r3 h- Y1 I
- }! S( t4 y( z) J8 C3 c# i
- .toggle-label {
C; g0 c0 }" {' @5 b - font-size: 16px;
0 z7 v2 d( P* d! d+ z& A - background: #fff; E# L" p j- l) F; g1 h6 e
- padding: 1em;9 e9 ]" o; K9 q9 ?, }( @/ g B
- cursor: pointer;
) c$ Y h, q# G - display: block;
% n5 o+ Q. X$ I- ?9 ?3 F4 W# S" I$ G - margin: 0 auto 1em;: ?, M! Z9 L. Y7 x5 M" c4 z
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);. h. i# j: g* s6 T; J5 x" a2 Z D( A3 R
- border-radius: 4px;- X2 [7 H# ]6 C5 }: B
- }# T- W8 T) _2 M& m; o
- .toggle-label:after {% d# o+ r0 T9 R& K9 P) `, m! i
- color: #ED3E44;, L$ E4 p$ b" v( U# g1 T
- content: "+";) y9 |0 O; Z0 c( _2 d+ p
- float: right;' Q2 M+ P* W; \
- font-weight: bold;+ W A+ L9 T2 i% C. ^
- }( D5 e- b" I+ Z4 Y
- .toggle-content {! W* v C2 D. N0 `! ^- A
- color: #B0B3C2;1 G: W( Y+ K+ q! |1 l' {
- font-family: monospace;
3 q+ k! s f: \+ ?0 s - font-size: 16px;
" b" ^- L+ O' ~; B. E% O) G - margin-bottom: 1.5em;
: I1 o+ [1 ?( |2 H# F* B* |$ c - padding: 1em;) B! A0 h1 A4 N3 Y3 x! F
- }
7 A# I. v2 G: G1 C8 j6 r - .toggle-input {
4 V4 E% a- |' |! | - display: none;$ Y' f$ V& p) S2 n' S" j
- }
3 x* }$ ~$ M. w7 n1 _ - .toggle-input:not(checked) ~ .toggle-content {+ j3 x( B J# s& Z/ D. D
- display: none;
* V1 Q- ]6 U+ k! I' Z {9 t - }
0 I2 D( H6 U' {$ \3 q - .toggle-input:checked ~ .toggle-content {
/ K7 @+ `9 w' R" v$ i - display: block;) }& ]' b8 B7 \5 l8 [8 C4 n! Z+ a; r, s
- }9 F& n" B+ {! T A- l8 f
- .toggle-input:checked ~ .toggle-label:after {
! B' W q! b: f3 F: f - content: "-";
* `% }1 P$ }4 R3 S7 @0 I: W - }
复制代码 % j7 z( G! u9 p9 l. c, ]( ^! c
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' {# b: q4 B5 v% _& b' J2 ]" q7 D. J; s1 B- H7 H8 y1 r. U
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