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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!"> O: d; E1 {8 Y, b3 ?% `
- Label for your tooltip
5 r* y4 R7 p" a% v( ^# D8 o* K0 A - </span>
复制代码CSS代码: - .tooltip-toggle {2 @! T7 T5 L7 C9 N3 ?
- cursor: pointer;6 y* R2 y/ \9 J: G
- position: relative;5 ]7 P9 d5 g1 c8 P4 U- n, U
- }2 z4 g+ z9 @% L" r5 J% G9 S8 Y
- .tooltip-toggle svg {" ^. Q+ c5 X: H- J9 q+ z% x
- height: 18px;
! }$ w- {5 u) i% R3 v! X - width: 18px;% f. F, s2 @3 @7 N
- padding-right: 0.5rem;( W. A$ {- Q5 }' V
- }# e: M; a3 ^+ S
- .tooltip-toggle::before {8 c, F) Z, W$ f
- position: absolute;
7 J. z6 V3 v9 B0 r# h. r - top: -80px;
" Q+ b8 p/ }" }. s7 K - left: -80px;, H1 b3 }6 R; q3 Q' E }. Z
- background-color: #2B222A;
1 q+ H' x1 u5 |- {0 s - border-radius: 5px;" c0 n; x( o7 a" T
- color: #fff;
% N5 W9 _( p9 B+ S) x" V% A! f: L - content: attr(data-tooltip);
% [, r7 u: M+ f- T/ J - padding: 1rem;
& ?1 v4 S8 i t- i - text-transform: none;
- h8 z1 a6 q/ Y$ ~8 m3 X - -webkit-transition: all 0.5s ease;3 t% W1 G6 @0 z2 a( I5 u
- transition: all 0.5s ease;
1 H3 N% I4 _! W2 }3 N7 X - width: 160px;
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- .tooltip-toggle::after {0 t X; `# @9 Q
- position: absolute;1 j! |/ B1 y3 I- t9 H
- top: -12px;
: ~# y7 \# r& g9 M% F# r - left: 9px;' {1 y' P* K* V# g( N
- border-left: 5px solid transparent;( ^% q9 g8 ]1 n
- border-right: 5px solid transparent;8 S# f2 S7 `2 \* e& V
- border-top: 5px solid #2B222A;
D s6 v* w# [" E4 Y - content: " ";
: w: o B' @4 [5 O) U - font-size: 0;
7 W: W$ h$ C2 P# ]% I; h - line-height: 0;
% G( a: T) r1 t - margin-left: -5px;
" s# n; X1 Q! D2 j& z8 \ - width: 0;
, q% n8 A1 Q' \- u) K$ F - }
- |: \% J" |# S6 B d& Y - .tooltip-toggle::before, .tooltip-toggle::after {
" Z6 g1 ~" g w' H1 t3 p" o - color: #efefef;
* L4 B0 V. H0 k: o - font-family: monospace;1 Y' F* F3 D/ ^. G7 N& z
- font-size: 16px;
: g: k& n& U2 W - opacity: 0;! J$ j, Y+ k1 d8 a
- pointer-events: none;
# c( ]! n% S3 I& K" N' ?8 m5 ~ - text-align: center;, Z- N) u: a) U: F0 K
- }
6 S- g' N* c7 I! e( l6 F0 M - .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {* U, S& L; ?# j9 d( w1 K' m
- opacity: 1;6 A+ i' | |( W1 p6 y0 u' o- l8 s) a
- -webkit-transition: all 0.75s ease;
+ A4 K& }4 J; L' t; Q) n - transition: all 0.75s ease;( o0 L) r# p: O3 s% U0 `2 |. X
- }
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">4 q5 H1 j- u3 [8 T2 o& _
- <ul class="nav-items">) k6 S' Y2 n- `6 `
- <!-- Navigation -->
! a+ q% _3 N$ B+ _0 V; l - <li class="nav-item"><a href="#">Home</a></li>
: a: o6 ?$ R4 d - <li class="nav-item"><a href="#">About</a></li>4 t7 N- E4 K0 \: W9 ]( i* L
- <li class="nav-item"><a href="#">Contact</a></li>
1 T, X' C: O! r% m3 I - <!-- Dropdown menu -->
) [" i+ Z' T6 W' x* \ - <li class="nav-item nav-item-dropdown">
* |0 K( q7 I- @ - <a class="dropdown-trigger" href="#">Settings</a>
4 W1 x# M# Y4 l( A1 F4 z& q* C+ g - <ul class="dropdown-menu">
( t% v0 }6 j9 w" C - <li class="dropdown-menu-item">8 N" L7 Q2 e+ a2 b4 O, g( L; v* @
- <a href="#">Dropdown Item 1</a>- B: ]5 ?0 V6 C( r2 X3 k" y
- </li>
t6 V' p$ U- S5 k: A9 K9 z - <li class="dropdown-menu-item">
2 J5 `3 K+ {& h j8 {" V - <a href="#">Dropdown Item 2</a>
0 b( `/ h5 r- H i$ z1 n* N5 j - </li>% X" W% ~4 G1 r8 }; ~8 m5 [/ `, d5 B- ~
- <li class="dropdown-menu-item">8 L5 _% U- P" g0 L5 W0 {
- <a href="#">Dropdown Item 3</a>
1 Q0 e5 g3 i# L$ |( y# V: C - </li>
$ E6 @# _ P5 m6 X6 r0 m S - </ul>
8 q) W3 M% g1 Y# L6 ^( w4 W; O - </li>
) F. [# | C# e+ w% g& {. t, B' v - </ul>
6 D3 j% p. ~7 l! Q. K - </div>
复制代码对应的CSS代码如下: - .nav-container {( R! z5 C& Q! Y4 `! ?& _& t# H& |
- background-color: #fff;
+ l) R% G- b4 U8 z7 T - border-radius: 4px;# g9 r p/ {( w8 J% g
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);5 T5 a4 N4 {1 P; C1 `8 P% a
- padding: 1em;
, N# J& L4 M. c/ F; L - border: 1px solid #eee;: j0 {3 n- X7 y7 d) y" s
- display: block;
; N8 s" r) |9 n8 V) l, K; x# h - max-width: 400px;
$ z" K( g$ k, D! [& p" e, x- H, R6 F - margin: 0 auto;
3 z4 s: v" z3 P( N' _ - text-align: center;. I4 N$ V" F7 Q5 e
- }
6 b' z- D7 L! K1 M - ul,
f H& w7 N, S% P( s. ~ - li {
2 k0 p1 G5 ]8 G/ k% z( } - list-style: none;
J* ] n. ~, D! { - -webkit-padding-start: 0;
7 F) g' H# O* a" J$ l# C2 N( w - }
( W* ]7 N1 q; h - a {
9 m- h5 z Z+ e! n2 Y) V4 A/ R - text-decoration: none;
# U/ @; e$ N# I - color: #ED3E44;
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- .nav-item {
- r2 j3 w5 Z4 ` G6 z- B - padding: 1em;3 x$ ], x/ ?6 S, ~( S, S4 A. ]
- display: inline;
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- .nav-item-dropdown {
) O6 G5 n3 K2 }4 v% F* @' J - position: relative;. N- Z, ~, h5 k* e
- }& U( c( P: }3 v) H3 p
- .nav-item-dropdown:hover > .dropdown-menu {
1 X. \% P! g& `' d6 R8 b: d+ C - display: block;
3 Q3 o) k" e3 e! g. G - opacity: 1;
8 O& X9 J0 Y( `( ~. b - }8 [5 ^& n- {- _. m; D2 @4 K7 A
- .dropdown-trigger {+ y @# z* a+ i" W
- position: relative;/ V6 f4 @0 [# F# L. a2 R4 _# w I
- }) e) o( H8 d% N9 \2 l6 k
- .dropdown-trigger:focus + .dropdown-menu {
: W& L* C5 i4 J5 @" h* e - display: block;% r; j# B! L3 r
- opacity: 1;
' }. e6 `6 w: `* L7 C& m" w - }
* O- i) M" L8 E/ K, b @ - .dropdown-trigger::after {- r) }. t5 J# Y; J3 ^
- content: "›";
% J( s- a+ E2 r, D - position: absolute;
. w7 g& ~. I; V9 U# A1 X - color: #ED3E44;% d( |3 ~" E) |+ |$ g( @) Y
- font-size: 24px;& t: _! c0 j; n }5 ?# C" }, T- L1 r
- font-weight: bold;
- W( I/ z ?. S) t8 p - -webkit-transform: rotate(90deg);
2 E+ ]; |/ @, c! R1 g6 k6 P - transform: rotate(90deg);
+ ]5 [% J2 ?! J# k6 Y/ f+ ^8 d9 E - top: -5px;' \ R5 o; z a( s7 F8 Z/ k
- right: -15px;
9 F. Y" ?+ A1 F: M) k& o( g - }
' M7 R) X3 u3 S) F/ s - .dropdown-menu {
5 t4 o3 l1 S" {( s( u7 I" K3 f - background-color: #ED3E44;8 v" v3 N% K4 {1 K. d$ N8 K% F
- display: inline-block;
1 }' F9 K; a, C - text-align: right;7 [5 c6 l X% Q/ b5 J5 o1 b
- position: absolute;
! p( _; [/ Z( o# L; h) C5 b - top: 2.5rem;
1 O5 _5 K5 |$ G* B - right: -10px;2 S4 C% O S E: S! x! S
- display: none;$ k/ B7 R. P1 G, T/ X
- opacity: 0;) x, _. v7 ~3 _4 s
- -webkit-transition: opacity 0.5s ease;2 F4 i6 W# h9 {& k& }- z9 e1 m
- transition: opacity 0.5s ease;
! T1 i8 w- [5 C `7 j5 x. T- G - width: 160px;" q$ ?5 s- B2 @) V# \
- }6 w: x6 ^9 g, `8 i; l4 H$ _, u
- .dropdown-menu a {
9 u' j3 t0 [0 g - color: #fff;
1 m3 S* i. M3 ^7 L" Y+ `/ O( S( ` - }
, m$ u- N' X5 o+ c! R - .dropdown-menu-item {3 \( _' @6 G/ E' K
- cursor: pointer;
0 g# t9 I, N3 @, p - padding: 1em;% g7 ^- W( O" }6 S M+ u
- text-align: center;; ?9 j$ U6 n; q& }+ \8 M* ^
- }/ h7 \8 u8 E) n+ X
- .dropdown-menu-item:hover {/ k0 C* F& S9 M( u7 t6 W# j
- background-color: #eb272d;
0 W: f3 L2 j% s* I7 p" @9 i, r" o+ d - }
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可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">
& d: H( B( }& w9 _: { - <!-- Checkbox toggle -->
3 z0 V( L' q7 W: B( w - <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">
' X% o# e. K& V8 g o - <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>& [9 p4 B- A" J6 }
- <!-- Content to toggle from www.mfbuluo.com-->
5 G; @4 u( F: a' o6 U - <div role="toggle" class="toggle-content">
0 m# X) r1 P9 ?3 ~0 p4 P - BA-NA-NA-NA!$ r: y) ?' Q5 v$ t
- </div>
* L0 y6 o0 s" f - </div>
复制代码CSS代码内容如下: - .toggle {$ k6 ^* Z" q3 }5 ~5 ]* i
- margin: 0 auto;1 I8 c' j8 N% c2 c3 V/ ]
- max-width: 400px;2 Y9 |' T% C% @/ W; v& f" c$ {
- }5 q6 I9 n" X0 B3 h- A
- .toggle-label {0 ?, t. k2 ~- Q; y* U8 N
- font-size: 16px;
* t4 l0 X: d4 e% g' p% f' L - background: #fff;1 |3 q! N5 C0 X- W! y& C0 V
- padding: 1em;
1 s( h2 r" g% g* l8 Y% m2 z: d - cursor: pointer;
: d9 J0 K3 m9 }2 N8 O - display: block;
6 h3 W$ W1 G/ i" L, m- R, J# b9 R - margin: 0 auto 1em;
( h, x7 W0 Y/ B - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);) i* \) ~$ K; k: c' q {! p3 x8 n
- border-radius: 4px;
; U4 L. f& `3 w- l R - }
2 I$ P4 a- c1 ~8 I% u; P% W - .toggle-label:after { K6 C+ E/ [2 o. ?! Y; k3 y
- color: #ED3E44;/ L# H4 p& q5 v/ h
- content: "+";
' A4 ~% P1 N' h. I, M - float: right;
) G! t$ C0 O& I6 o+ Y- H* _ - font-weight: bold;; D" r- X. B& R8 \& f8 N
- }2 `5 l4 M+ b5 u& y
- .toggle-content {
( d/ W* ?8 a {7 I - color: #B0B3C2;) W9 f5 O( D# O8 D: _4 q* x
- font-family: monospace;
/ j+ q9 ^- j' s - font-size: 16px;3 U0 [7 q3 l( H' ~4 B3 j
- margin-bottom: 1.5em;% H8 Z) m0 |3 Z/ O* }
- padding: 1em;
D9 z8 \% Y. y8 G0 I - }
2 Z$ H! W) \0 b, N$ c j - .toggle-input {9 ^. U3 E7 \, C: B K+ h
- display: none;8 I7 r6 w. F* y$ C
- }+ r0 Q0 p+ H% N+ v1 N
- .toggle-input:not(checked) ~ .toggle-content {; b/ B* ]: @ c% s( F* [& `, J
- display: none;8 e) Z7 S9 _6 l' n: }! K
- }
. t. r- p" K& v4 F% k - .toggle-input:checked ~ .toggle-content {! [0 t' L. V; e. D+ `9 K
- display: block;% g. _ C3 c2 c8 p8 r0 b& N
- }: C8 d e4 M6 \% m7 j
- .toggle-input:checked ~ .toggle-label:after {
R, v4 q* m& W( ~) W' R - content: "-";
1 f- V1 s. t) f - }
复制代码 8 P- ?1 _# u# o7 M9 j8 t) I
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