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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!">( k# t' T% i) s' l2 k5 A9 i
- Label for your tooltip6 r: _+ r/ D7 H& x8 c
- </span>
复制代码CSS代码: - .tooltip-toggle {
- e/ ]# c0 ]7 W - cursor: pointer;
5 H8 n5 w( f2 g9 B, _9 L! e - position: relative;
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- .tooltip-toggle svg {
! \& Z. G" g: z, R, q2 F8 \ - height: 18px;* V7 B. n4 L- r8 }4 {! f
- width: 18px;
, }/ o, V. Z6 I, @% X5 ? - padding-right: 0.5rem;' f) M, f0 ^7 [1 o- E4 ?" {
- }
# E% a/ x5 k. I8 n- o5 L - .tooltip-toggle::before {
+ o' h& r& h8 A! K8 ~ - position: absolute;" T+ e, r' i+ U" K: R! }
- top: -80px;
& C( H- n/ O0 z - left: -80px;0 D& t+ ~1 v& H8 [: ~& J6 W
- background-color: #2B222A;* I, ~0 W* s2 P( w( J- y3 t6 D# F0 t
- border-radius: 5px;
1 m) r6 R$ N- |! m. ^: `" Y- p - color: #fff;
6 ]+ c9 V7 I' N6 ~ - content: attr(data-tooltip);. j9 V- x) C* v% D6 W- ]8 J, y
- padding: 1rem;
# i# {! `' b+ p" l - text-transform: none;& C* x2 r% |+ O' J. p; \/ C
- -webkit-transition: all 0.5s ease;9 D/ b0 U- o7 X: O1 G
- transition: all 0.5s ease;
x8 b/ o: u( m$ f" l - width: 160px;
( c" V/ J, u# d o n - }
3 e: E5 h( k: S1 }& z - .tooltip-toggle::after {
' m. k% I. O, E& `" O/ f - position: absolute;
# k& O3 u, ?, z1 p' R6 ` U% ? - top: -12px;, x9 a7 r. L4 z: p, w$ @
- left: 9px;: T' F. k' L4 \6 N4 h; ~+ e
- border-left: 5px solid transparent;
0 ]9 L2 ^" q1 ?! X - border-right: 5px solid transparent;
) x, k) x: W- a: [/ T4 c - border-top: 5px solid #2B222A;
$ B3 y: s5 Y' M& C. C - content: " ";# X3 _2 S+ Z8 c
- font-size: 0;
. K/ M7 |8 ?% ?( J9 J3 s( w" V - line-height: 0;
0 A+ G. h& {# z0 b- E - margin-left: -5px;
9 f/ \ ?8 a7 H/ q1 c# Y - width: 0;
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- .tooltip-toggle::before, .tooltip-toggle::after {
/ ^8 `' v" I" i% W, @) f2 n - color: #efefef;- P2 c( J0 \! q& W# {$ `& u
- font-family: monospace;; o2 `& m1 C6 e v+ \
- font-size: 16px;" {- v6 M9 G( y% j. Y. }3 s i
- opacity: 0;9 L5 [# p4 S7 A* ?! F
- pointer-events: none;
. o) z) V0 c- @3 ~: V9 r! u# s - text-align: center;( U6 j# A% w: Y& ?
- }
W- s. V% o, e/ P) L - .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {) e1 Q9 I7 i" }
- opacity: 1;
% S2 G3 m6 l( P* v- v - -webkit-transition: all 0.75s ease;( q; {. e$ A0 ^, M }* M2 ~
- transition: all 0.75s ease;
x6 L, ~! Z* k& y2 a( u5 t - }
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">
# I* y6 X4 ~5 d" o/ o - <ul class="nav-items">
4 T h9 q2 U1 \ - <!-- Navigation -->$ c0 [( [4 F6 L' A# w0 u$ v
- <li class="nav-item"><a href="#">Home</a></li>
2 h5 ]- |: X- {3 I7 P! s - <li class="nav-item"><a href="#">About</a></li>
6 [4 ~0 z6 p5 t" _1 y - <li class="nav-item"><a href="#">Contact</a></li>0 {5 _9 E: x% s, _ n- B
- <!-- Dropdown menu -->+ T; C" z% j) S8 b2 c" G
- <li class="nav-item nav-item-dropdown">
+ R/ x" ^# R# c - <a class="dropdown-trigger" href="#">Settings</a>
0 [* v6 c) j$ D1 I1 M3 V% R7 ^: ^ - <ul class="dropdown-menu">
; U D) z7 z! A+ `! [ - <li class="dropdown-menu-item">4 N! U, p0 S2 W0 E. i# X
- <a href="#">Dropdown Item 1</a>" ^1 s" F) k' w2 I
- </li>
& G u7 Z" U2 y - <li class="dropdown-menu-item">3 l7 S4 f- ]8 q/ r
- <a href="#">Dropdown Item 2</a>
+ y: j1 q9 R) `" c - </li>
6 i, w1 L8 O* o1 D1 } - <li class="dropdown-menu-item">
% Q2 v7 i. w- @& A9 h5 K - <a href="#">Dropdown Item 3</a>
$ Z& I U( c5 t/ H3 N* ] v - </li>
8 n) N" z' R1 z - </ul>0 L, X; N) |, U( U y' z. k
- </li>2 S a; S" ]$ H0 l2 L# g" R
- </ul>. X. w' x. T! a4 t
- </div>
复制代码对应的CSS代码如下: - .nav-container {9 f& [6 N8 c5 P- R. K
- background-color: #fff;+ [8 H9 J4 O+ U8 Q" c! Z
- border-radius: 4px;6 N" W$ T. o6 U
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
6 g( A+ ]0 R P. `: n. u - padding: 1em;
o$ @+ k" ?0 X5 U% f5 e - border: 1px solid #eee;
) W3 |3 Y8 A, u2 ^# R' A4 @ - display: block;
6 w( P! i9 m* p& o8 Y- r8 t - max-width: 400px;
2 E6 g8 O; |+ i- h! J - margin: 0 auto;
& T0 F; b# K6 f% ^: N/ z9 \: b/ K4 i - text-align: center;
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- ul,7 x) r: @# e# k2 m' o/ O9 s' g' y1 l
- li {4 l' c3 r! U5 y0 e- z. G
- list-style: none;8 N* p. v; t1 w
- -webkit-padding-start: 0;
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- text-decoration: none;
9 ~) t g+ T; B! X - color: #ED3E44;3 m$ y- ^; @" U# I
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- .nav-item {; N; `! i. j9 y1 z: _3 w
- padding: 1em;
/ y3 o: q$ ?+ n1 ?) `0 A/ o0 v - display: inline;" n; Y) |- w* p* T k. ^6 y. K3 k- b
- }! W" o/ [' a! M
- .nav-item-dropdown {# T% V- {7 v- t) X9 B$ c
- position: relative;% W) Y: k `, r0 {) Q, c
- }7 D/ E3 d# S0 V4 {
- .nav-item-dropdown:hover > .dropdown-menu {2 N& g/ V, Z% u8 z6 Q: e4 f
- display: block;9 \8 n/ ?0 p1 t) w
- opacity: 1;
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- .dropdown-trigger {
! P* b! t3 Y9 [ - position: relative;
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9 V. |$ R, g1 a7 \3 e+ l - .dropdown-trigger:focus + .dropdown-menu {
' U9 G! U3 S* F. M/ Y1 O) K - display: block;0 \* |2 k: A( i: [" R2 T/ W2 m
- opacity: 1;
' i$ v4 x4 |; I: R- K+ ^! W: e - }
' T- O" V8 B' P9 w# |9 v - .dropdown-trigger::after {& p2 N; i9 k6 M1 f, w2 F# N
- content: "›";
$ B5 O0 u1 B* S. @# w) z7 d W - position: absolute;
7 y9 M( @1 W5 W) h6 n; h9 R - color: #ED3E44;0 ]; T+ Y/ B! h4 y: k' ?' s& I( Y
- font-size: 24px;$ {4 Z: W+ {$ D# }# H' V# l
- font-weight: bold;: b C2 a5 v3 o. s6 ] R R
- -webkit-transform: rotate(90deg);
. H+ Q: \) z! A$ y - transform: rotate(90deg);
# E" w+ @8 t) T D0 @7 B - top: -5px;
i! Q+ T& M) _8 m) U - right: -15px;
& P1 y8 E% E M& t - }- ~1 }) N5 v* `) A7 C3 x
- .dropdown-menu {) E0 l9 v! s/ k/ J( n& T' [. W
- background-color: #ED3E44;, Y9 v" n4 R4 o
- display: inline-block;9 }3 T) H, O# i
- text-align: right;
4 i7 q; x' M7 _5 W) ]5 q$ s; H - position: absolute;( v9 V0 S1 H, P5 H; h
- top: 2.5rem;
' b/ U, E" F1 K5 B - right: -10px;8 f( z- h, h( H# w+ P2 g
- display: none;- o! ^# |4 h" J
- opacity: 0;: `5 z U0 s; A8 m
- -webkit-transition: opacity 0.5s ease;$ ]( ^* _ q0 e7 U5 [( ]8 t5 q
- transition: opacity 0.5s ease;
. R6 Q5 B( r5 p: u3 a& b3 A - width: 160px;
2 l7 H |/ S6 J - }
4 g4 H2 V5 s: m1 g - .dropdown-menu a {4 r+ k3 c4 e- r* D
- color: #fff;
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- .dropdown-menu-item {9 K& d5 u, C5 ]% P/ p9 {/ m
- cursor: pointer;
, ]+ U0 A$ x$ v2 I - padding: 1em;# m% X$ M+ i8 M& o2 ^1 h
- text-align: center;) o) }6 w- N# G. ]5 h3 x9 g0 a1 r
- }
7 ^$ G$ p# H, R - .dropdown-menu-item:hover {0 g+ z# b2 g4 }, ^5 y, i/ L
- background-color: #eb272d;# \* u) e% B) `$ O
- }
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4 |2 d, f5 Q9 p可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">
& h7 U$ O2 p5 A I - <!-- Checkbox toggle -->& `" G6 N* G0 g- O% G- A
- <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">
7 R$ k; R" j o- Z - <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>; i4 R9 S# h3 @
- <!-- Content to toggle from www.mfbuluo.com-->! ~/ Z+ x3 |9 S
- <div role="toggle" class="toggle-content">1 U: b- x" @& x @5 P r3 e9 P
- BA-NA-NA-NA!$ X- L: Z2 L$ H
- </div>
. g5 u; x0 ] K/ P - </div>
复制代码CSS代码内容如下: - .toggle {
/ r& v) P& `! y" [: u5 H - margin: 0 auto;' E) d' d; ?' \/ k" ]/ y
- max-width: 400px;
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- .toggle-label {! {9 c x9 K7 L, U9 l6 Y; b. [
- font-size: 16px;" E) U# q, U8 e9 F: \; N# X
- background: #fff;" h" E9 O% q+ O4 f" E6 D& K% \& _
- padding: 1em;( e6 |) q c8 W6 i
- cursor: pointer;
1 M* }' ~# A* u5 s. j- X1 _ - display: block;
2 {( |( Z5 s0 i+ i& \( ~3 ? - margin: 0 auto 1em;+ R& }: O% \+ l3 X1 @' N4 _
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
) F- q* q2 s& _" q1 k: T - border-radius: 4px;
' m7 I Q" A ~ - }
. g$ L% Z5 D% h# @ - .toggle-label:after {
. l. _) O9 i" q6 K: i2 d/ ` - color: #ED3E44;
( E# a( P+ N; \7 I - content: "+";4 N( m8 B5 x7 t, Y6 X. d, K
- float: right;
2 \, t/ U) N# W/ [& ^, M - font-weight: bold;
, v) \3 o: L$ k - }
! \# Y% ?7 |% | - .toggle-content {
. z: _6 t) M* R* ` - color: #B0B3C2;5 `$ K* L- Z" V" T7 }; b
- font-family: monospace;
$ B9 n& F: v( x! T% ?9 s/ O0 _ Q - font-size: 16px;0 y: Y" p# D7 {6 I& k+ f, A% u; A4 b
- margin-bottom: 1.5em;. }; B6 U ]2 F( |/ u5 Y
- padding: 1em;
/ Y5 y+ Z4 m3 h$ O+ j R - }
9 a, `- r! @6 j- J - .toggle-input {
: a. ~0 T& Y; e3 F/ _" d$ j - display: none;
g8 O2 Z9 r1 N/ m; j - }
+ v/ s+ b/ f+ o1 x J! n7 A - .toggle-input:not(checked) ~ .toggle-content {( e+ t2 U. T: n% G6 a5 m Y
- display: none;
/ R5 s- r1 p. t - }
' ?9 \" u( S0 n( U! w& J - .toggle-input:checked ~ .toggle-content {' e3 H. ~7 S u: ^) R, ]3 ?1 n
- display: block;
/ ?3 x% o% D" {7 o" `3 j8 m - }# ?4 T2 o) c* v5 M3 [ W! L
- .toggle-input:checked ~ .toggle-label:after {+ w) m( ?' Z$ S9 f
- content: "-";7 n! ]# W. T7 i& X
- }
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