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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!">3 [. d9 P' q; ^% f5 x7 t
- Label for your tooltip
0 S- B9 N% o" {9 |3 R1 [+ ^0 ` - </span>
复制代码CSS代码: - .tooltip-toggle {# t& I2 T& k7 a# f6 |: A) R
- cursor: pointer;
5 d. o' H7 I2 q: ]/ K$ ? {; {' V - position: relative;
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- .tooltip-toggle svg {% X" t; k7 W3 {. q5 d
- height: 18px;7 m# P1 i5 f- F6 n
- width: 18px;7 ?. [/ V) ~. `3 h. o8 f
- padding-right: 0.5rem;
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# _0 O! V- r4 b A0 V5 v - .tooltip-toggle::before {
' v0 S2 L8 W6 Q' b - position: absolute;
; R* }( N$ s( c) ]* Y" Y& N - top: -80px;% D7 R" A) p" @/ Q
- left: -80px;
: P$ d: T' d9 ?! c8 [6 A - background-color: #2B222A;. ]- |3 y8 |& L# d" E
- border-radius: 5px;
2 M$ ]4 r) R/ C7 E0 g - color: #fff;
3 \8 [& R4 }/ ? c$ S1 S8 x/ L - content: attr(data-tooltip);" K1 C: h) u, } b
- padding: 1rem;
2 c+ B/ e+ \3 q - text-transform: none;* {- K% X: j- x9 _( Q H5 d
- -webkit-transition: all 0.5s ease;: w* L- k3 o9 z: U0 k
- transition: all 0.5s ease;7 K& j Q' D6 c+ A) m
- width: 160px;
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- .tooltip-toggle::after { N$ Q: u: W1 w' V, I' L
- position: absolute;
; l6 X9 w1 E. h, r% E) C a - top: -12px;& E" h( j* ]- _% m* q' e
- left: 9px;
; t6 o$ g0 ~8 ]' \0 M: K - border-left: 5px solid transparent;
6 x" o3 K+ K9 Q' L2 I8 a. D7 Q - border-right: 5px solid transparent;+ I6 c p- [( ~0 m6 J3 U" `& A
- border-top: 5px solid #2B222A;
) G# V4 W/ }! y6 F$ S8 y - content: " ";) H+ X: B" o0 }* Q; S
- font-size: 0;
8 `' R1 G' z% X' s0 u5 Q5 I - line-height: 0;1 r0 O8 @5 n+ {- {
- margin-left: -5px;. e0 g; I% `+ g; n( M, f, F8 C
- width: 0;$ X; M( P$ B' J) @
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- .tooltip-toggle::before, .tooltip-toggle::after {- k2 o9 J/ k1 c6 q2 e% u0 e/ R
- color: #efefef;
$ k. l4 e- r' i - font-family: monospace;
; N Z7 I( H- c0 \- u1 f% \ - font-size: 16px;
4 t- N9 A" {' B+ f - opacity: 0;
5 h% p3 N- n* i' p - pointer-events: none;( ^9 W* B7 ^$ S/ A8 }
- text-align: center;# A% E O7 {$ ^' z
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- .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {1 m A/ S$ l$ S+ G
- opacity: 1;
* j! O5 a0 B: o* a) `# S - -webkit-transition: all 0.75s ease;$ ~: E8 k0 U) q/ ]5 ~% S' d# C" I
- transition: all 0.75s ease;: b0 F: J! _/ u# E) z
- }
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">
u) a+ Z9 u, {, ?; `' u - <ul class="nav-items">5 B2 v1 S& q+ I5 w8 T
- <!-- Navigation -->
1 r- S2 L+ \9 y/ r# q* S* R - <li class="nav-item"><a href="#">Home</a></li>/ v5 o( i% a1 t8 \& {
- <li class="nav-item"><a href="#">About</a></li>
4 a/ B2 A3 U" q/ N - <li class="nav-item"><a href="#">Contact</a></li>0 D4 w1 G; V& G( E& J5 ]
- <!-- Dropdown menu -->
5 F% O- s9 A2 F4 j - <li class="nav-item nav-item-dropdown">
, p/ q$ U+ i+ R& y/ @. f8 P! J/ i - <a class="dropdown-trigger" href="#">Settings</a>
: P( X( y: g, @, R - <ul class="dropdown-menu">; t1 K+ y5 J4 s
- <li class="dropdown-menu-item">% o4 j' w8 Q5 T; x( T5 g4 [
- <a href="#">Dropdown Item 1</a>
; e, i% I. ~ ~7 w3 t - </li>
) c6 D: h( L- t: v8 L - <li class="dropdown-menu-item">
( k* l6 {! ? g; B% w) d - <a href="#">Dropdown Item 2</a>6 |8 r6 J l$ T c" H7 Q
- </li>
( r% i" x& T* O/ \3 X+ y - <li class="dropdown-menu-item">
* L4 f9 v* I8 X# I! I g - <a href="#">Dropdown Item 3</a>
0 B- x9 }9 s; \8 |$ s6 T5 s - </li>, q7 z& \% W3 M6 g2 u, B& A0 K: M
- </ul>! [, b+ A( _' H8 ~( g
- </li>& Q. u! o. P, z1 C! F
- </ul>7 k7 }# k% S: E$ U' c
- </div>
复制代码对应的CSS代码如下: - .nav-container {: t# P" T1 x" Q2 w6 W% k
- background-color: #fff;. V! k) z/ F- e4 D; |
- border-radius: 4px;" D: W' R! R* Q3 o# T
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);. S2 ?3 Y6 ?& }) P. l, }
- padding: 1em;' v1 d* O# N* q! B
- border: 1px solid #eee;
, ~# r5 L- q' a+ J6 E+ d* C6 d* {# V - display: block;
6 k- r8 N3 L1 b& E' | - max-width: 400px;
/ O" M3 V" ~) t0 c/ G( I4 m9 G - margin: 0 auto;
3 M$ v0 {: ^# I# l - text-align: center;/ Y1 o( O* _" K" W8 c
- }% |' O7 A( `# z+ [
- ul,+ R( n" s. D ], s- T: `+ I* ]
- li {7 p8 f% _/ a" M. c
- list-style: none;
9 D/ C6 r+ e% k$ V2 u1 c7 i) A& z - -webkit-padding-start: 0;" ^' Y3 B- C+ n+ B8 S I6 f
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- a {% e' v+ Z7 c: w9 ?! K6 {7 Y
- text-decoration: none;
3 H& J* s$ A. v/ ^6 F0 F. a, T - color: #ED3E44;
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- .nav-item {
W. \7 G! T8 L% _ - padding: 1em;+ N1 f E. V4 G$ J% L8 n9 H& w: e
- display: inline;: H0 ?" Y) w4 i. ` D& i
- }. B. `; Q" c: @. [8 F% ^
- .nav-item-dropdown {; ?- Y+ y& u6 C' [! r
- position: relative;) a3 ]$ Y, b5 ?: y1 |/ P0 o) R7 l$ P
- }
" h, \% T; U; G( O - .nav-item-dropdown:hover > .dropdown-menu {( q; B+ f9 k; }0 J- Q( \- ~
- display: block;+ a" ?; a, c) C6 Z
- opacity: 1;' `* V& T# v1 W- q# x2 Z3 p6 V$ S3 l
- }
# C- b7 L5 E! r2 Y F - .dropdown-trigger {
2 t# F7 |& j+ d/ P+ u - position: relative;
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- .dropdown-trigger:focus + .dropdown-menu { S, ~- O3 L, S9 a
- display: block;# I# T. X6 F7 {
- opacity: 1;5 f$ t, _' u- _4 `! G' Q9 x- K
- }! a R$ \6 O! _
- .dropdown-trigger::after {) N1 B+ ~* l, [: a1 K( O4 r
- content: "›";
( {; [7 K' G! E) x0 i% I - position: absolute;
' v. g7 b8 d3 K# Y1 g. O( K - color: #ED3E44;9 A- [8 d* ]2 B9 x
- font-size: 24px;) h' k; t* Y' h
- font-weight: bold;
! p8 T/ t! _# f9 g - -webkit-transform: rotate(90deg);
1 y6 i# ^; h8 d, ` - transform: rotate(90deg);
5 h5 Y$ y) p" b% Q) W5 M9 S - top: -5px;6 C% }9 O7 Z8 Q9 P# v. d; E+ y
- right: -15px;
3 r5 f1 |( z' b - }
- ~4 b" e6 X/ L! s - .dropdown-menu {4 c& {2 d% k" ^5 m* b7 t! _0 R9 G
- background-color: #ED3E44;; d3 ~4 q2 A1 E: B& z
- display: inline-block;
% ~) e9 E3 G: u& d* ^2 ~8 h: j+ Q! z - text-align: right;
+ I0 o) s' c. G# q! H) v( b - position: absolute;
, D3 C' ?9 f! ]+ f - top: 2.5rem;
4 E1 g! w0 i+ J0 o7 Q. u3 {0 ^ - right: -10px;/ l$ p$ |6 h4 Q2 n" n$ m
- display: none;
' T5 k9 R( S$ w7 ^% X- h) z - opacity: 0;
0 l4 N4 c" O; _! U" v! K% d - -webkit-transition: opacity 0.5s ease;7 f5 w5 v7 R+ @
- transition: opacity 0.5s ease;( ?5 O- I5 F8 V1 }* z. f* I
- width: 160px;0 d& v- L: A7 k1 d+ ]% p
- }1 b3 _4 s$ U$ S2 |. Z. L
- .dropdown-menu a {
" Z- X% A, S) \& s1 z' ]. T# L - color: #fff;
0 I$ t& N- p0 c' F( d - }4 Z ]; W5 y6 W
- .dropdown-menu-item {5 |3 \+ B7 e& h" E
- cursor: pointer;
g& Z- V9 }, c& t# S - padding: 1em;: P* P& ]5 y0 E: p" Q
- text-align: center;. }6 l0 v! v" p+ g# u) K o- |7 T5 D
- }
& H1 I. c M8 Z" J - .dropdown-menu-item:hover {
s1 O0 O- H% f7 q H- z - background-color: #eb272d;
* i6 B j% Q- l3 M/ x: | - }
复制代码
0 b. F l# G- o$ W可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">
1 Q2 k0 z5 Q0 y* A I0 [* u - <!-- Checkbox toggle -->
" ~ e2 l5 C; J' |4 o4 z1 J - <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">& e1 [" m5 t, j+ z1 N# ]
- <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>
! m: Z' u6 Y: P D - <!-- Content to toggle from www.mfbuluo.com-->9 t" ?; E. N, Y" [9 ~8 D4 U: j
- <div role="toggle" class="toggle-content">
7 S- w9 F9 Y) H - BA-NA-NA-NA!
; ]* T: t- J- X6 D% l - </div>/ ?9 r; D; v A4 f
- </div>
复制代码CSS代码内容如下: - .toggle {
+ s1 [7 N5 S/ X: z, J - margin: 0 auto;
/ e* J( S& F1 U - max-width: 400px;
4 F+ M+ ?6 L9 f* s! X9 ` - }8 t# S0 @9 z: B8 C* H/ G
- .toggle-label {
5 j) `. l/ m* a0 T5 C; Z8 v - font-size: 16px;
' _- d8 ?; q4 g7 o1 ^9 G - background: #fff;% V6 k( V% n+ J9 b# f, j# @
- padding: 1em;, x( R/ A5 ] I; `7 o% L' P; v
- cursor: pointer;, c) U- t) }5 }+ V" N7 @# e
- display: block;
5 T4 L' e* |1 h* G - margin: 0 auto 1em;
6 I) b; z' q8 K2 @7 @ - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
, N+ j& @% k0 w5 v [ - border-radius: 4px;
& X( A* x3 n1 O' J" t, b - }6 e- U& q" \& b) A: ?/ Q
- .toggle-label:after {2 F3 \7 R) G! k% T1 U$ v5 T
- color: #ED3E44;
9 G) j7 N* P' @# L$ `2 A) F - content: "+";
0 i8 U* N; N( T$ ]; Q: C+ @9 O - float: right;
$ P1 S$ y. J# Q0 K' S0 |7 G - font-weight: bold;- M7 J. O9 _7 D; i8 V! r3 l0 V
- }
% }' k' r8 D' C( o - .toggle-content {
0 K, |8 k5 @# s3 K1 o* q - color: #B0B3C2;9 ^) p4 _% ^+ h& F
- font-family: monospace;$ w) M5 m4 z8 W/ `
- font-size: 16px;
1 s2 ^3 s- k# B6 `2 V v - margin-bottom: 1.5em;
+ x& m* N! G3 M/ \+ }2 @: U - padding: 1em;
: `+ L7 v$ `4 b* q - }
/ s: H) m+ J( ^8 p' X. C W - .toggle-input {
; E, f+ I& G- b" | - display: none;4 `9 [3 M, ~$ Y* ?# ~0 G' x
- }6 `2 z# W3 @2 x& W: S w
- .toggle-input:not(checked) ~ .toggle-content {
' u) v4 M3 @2 h; S, ^5 A - display: none;0 G9 u1 h- N% w* z
- }
5 b j9 R5 V, P! r2 c3 ?7 A - .toggle-input:checked ~ .toggle-content {
, ~% W" ?& v: X - display: block;
0 ?3 {- W: O$ R# W0 e - }9 U2 y8 g. K$ d- k5 p
- .toggle-input:checked ~ .toggle-label:after {
2 F* u* d3 K9 R8 r, [' t - content: "-";
0 a; r3 y1 j- g/ z5 z* A - }
复制代码 # [8 e& J* o) G
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