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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 ^' U# A5 y- P; `3 j( o. |8 O
- Label for your tooltip
- q0 M8 j" u7 r3 @0 t - </span>
复制代码CSS代码: - .tooltip-toggle {1 H, S' K3 Z$ _# s5 n$ G6 ~
- cursor: pointer;( E+ H9 D( M' F. t
- position: relative;# s* Z' @5 n, M4 D4 {
- }
8 G+ a! P0 `+ O9 J6 S - .tooltip-toggle svg {+ ?1 i: E6 |3 Z: c5 Y/ D
- height: 18px;
w2 ]$ h) A8 |0 d: l - width: 18px;" I% {+ N1 _2 H
- padding-right: 0.5rem;8 Q _" E! u3 M' r/ T$ u
- }
$ e% A/ ^% Y9 g( G; j# y - .tooltip-toggle::before {* h: _! ?# H6 b( K1 ~7 g6 P: h
- position: absolute;' B, C$ S# M- o3 u/ @3 T( ?
- top: -80px;/ c3 ^$ T! V% ^# c' u
- left: -80px;
f* H" n G- @7 G! w) d - background-color: #2B222A;
. G j4 }7 z2 \. J9 u - border-radius: 5px;8 n0 b. u2 z. e! t F
- color: #fff;
1 E" e9 b* S7 C1 @' M+ r+ q5 b k - content: attr(data-tooltip);
! y- i9 Q+ J1 W9 ?5 O+ g1 Z2 Y - padding: 1rem;& h+ d z! U2 E' m
- text-transform: none;( J& d: X% U$ S5 T( C: T: E
- -webkit-transition: all 0.5s ease;
' H O4 D" [& g& q* y( y - transition: all 0.5s ease;
6 I; r$ }% ^+ b' Y4 }7 F# E - width: 160px;. b5 V$ d4 Z' j* {( y7 Y; }1 k4 m
- }0 w4 @/ p6 L+ u: Q! Z5 U
- .tooltip-toggle::after {
% d( Q: S N+ _& n0 O - position: absolute;% {$ s+ h; {( w6 z" @9 e
- top: -12px;
7 y- v% I5 X1 H - left: 9px;% ~# |% Q) j/ M9 }* L
- border-left: 5px solid transparent;
* \3 k6 K R* [6 H6 S& j4 k - border-right: 5px solid transparent;
* _2 J" ^% H1 n0 J1 |, } - border-top: 5px solid #2B222A;
; m0 F! u2 T! X8 O. N - content: " ";; d& @& |1 b$ y/ `* E
- font-size: 0;
( k( K! s* w6 G5 u7 _ - line-height: 0;
: n1 A5 x6 x% _7 \ - margin-left: -5px;
: B# f. k& o; i L! {( n- } - width: 0;" O: N8 t9 B8 l
- }1 J% |. \- e9 t: ?2 E/ o8 \! d
- .tooltip-toggle::before, .tooltip-toggle::after {4 W0 {" d. T S) W
- color: #efefef;
4 I* V7 G6 H, D$ l* [5 ~ - font-family: monospace;- E3 i) K! c$ B+ ?
- font-size: 16px;
$ `- ^: E( w. {1 n2 o - opacity: 0;0 Z* p7 s$ v; `; S4 V
- pointer-events: none;
: E. @: k' f3 P; R- T - text-align: center;6 G5 j9 z6 o3 m" M
- }7 {7 d3 S- X8 |$ ]& p
- .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {
K( W# \: D. [7 e - opacity: 1;! I4 @5 p- Q7 m, _+ q4 H0 ^# y
- -webkit-transition: all 0.75s ease;
# {' G+ h" P6 q" o" J/ m) M# Q5 k - transition: all 0.75s ease;
; g) e! }' q" Z* W+ \8 L, C, W - }
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">
. m6 X% A4 q2 y3 J4 _- ? - <ul class="nav-items">$ c2 C' `! m. W# B$ D7 M: r
- <!-- Navigation -->! \- @# K( q: @' {, y! d
- <li class="nav-item"><a href="#">Home</a></li>
" X9 l5 n4 Z7 b - <li class="nav-item"><a href="#">About</a></li>
% u4 Y* D/ D# @7 E2 ^. o - <li class="nav-item"><a href="#">Contact</a></li>
: J+ d1 ]/ k! Y* w" r - <!-- Dropdown menu -->
, O+ T) q8 u7 c9 c" P; ]) W; D4 w - <li class="nav-item nav-item-dropdown">
2 j9 t5 }3 d5 j' `% m2 c - <a class="dropdown-trigger" href="#">Settings</a>
( w, j6 U R' U3 M* c | - <ul class="dropdown-menu">( i4 i5 e/ {0 R& ^& X3 L
- <li class="dropdown-menu-item">* B' [5 j% a/ d& z! W( G" {
- <a href="#">Dropdown Item 1</a>
* S/ S% u* R/ a# f0 N - </li>1 c& @$ @' e8 B5 Y( b" M
- <li class="dropdown-menu-item">
2 P. z5 o! a5 U6 I% E. u" G - <a href="#">Dropdown Item 2</a># A/ O& I" Y3 O
- </li>
+ j- g7 w' T/ ^0 n; L5 o3 B* V7 j# | - <li class="dropdown-menu-item">
; X# V1 g6 _3 J: U - <a href="#">Dropdown Item 3</a>
- J3 E* ^" r0 ?3 k" Y" y - </li> w! L$ c$ E! o9 z2 d( [1 A# u# ?/ l
- </ul>
z% K/ P* a: ^% k6 L - </li>
' `" B% L2 D, j+ |; A - </ul>8 K. v, H0 G) v; J6 _9 t
- </div>
复制代码对应的CSS代码如下: - .nav-container {4 q3 j" L' }4 M/ p, q7 F) X1 ^- n
- background-color: #fff;' L- |' E" N8 e: P8 H: H
- border-radius: 4px;
, H8 E- c% y2 p - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);1 L5 J; S/ S: d
- padding: 1em;$ {' v: _8 I) s$ s2 R& y- S
- border: 1px solid #eee;
! V/ C, }* A3 H; q8 \3 w( k - display: block;# e E& @+ s! F( z: c: P. J
- max-width: 400px;
$ ?8 @) v! U" ?# f - margin: 0 auto;# u0 R! L& c8 k$ _) a& F$ C# n2 J
- text-align: center;
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- li {; z( b4 n: T2 a' c2 x H# A- q1 f
- list-style: none;
' n3 w: p- g* z4 \; i! e& c8 j - -webkit-padding-start: 0;
7 U1 ]% H+ N4 p5 z - }% X* o2 |5 w: b! \' K% ?
- a {
% E7 z8 S3 ~- {9 y: C# x2 { - text-decoration: none; ^ A2 c3 O- I
- color: #ED3E44;
. V& x8 Q2 o- {$ d( w - }
. b1 C+ q- a; w - .nav-item {5 L* \9 F. E' t4 |; y4 A) l% ?$ c- \
- padding: 1em;) R' n) x' t" V( C4 v6 x
- display: inline;
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- .nav-item-dropdown {
% b0 t. a% n7 k$ \1 Q/ e - position: relative;
# @7 ?- ^5 W6 @1 h7 T, ^6 F7 J) O - }
0 D! S `6 r) z: A - .nav-item-dropdown:hover > .dropdown-menu {
+ M6 z( m2 n6 _" g - display: block;5 J D R# |5 K' n- v) g
- opacity: 1;
S$ X4 ~ w: y1 l% f, M - }
$ C$ \5 l3 `+ R& G2 Y - .dropdown-trigger {2 K6 c0 M, c# d9 Q
- position: relative;
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- .dropdown-trigger:focus + .dropdown-menu {
+ b8 i4 `( C! R& s - display: block;
& B. i! |; c7 x- G" g6 n ` - opacity: 1;# i3 T0 F4 g& H+ n0 T5 x
- }
+ C4 y8 d. D. Q; k. f. Q - .dropdown-trigger::after {
8 R, i6 x6 M) c# Q - content: "›"; h% r" }$ m1 j6 t
- position: absolute;3 d' N( f' e; T; \1 W+ D
- color: #ED3E44;
: a" N' C* ?8 x. L1 R3 i& h - font-size: 24px;8 Q! t( B# A6 L4 x( U! ?& [2 V
- font-weight: bold;8 _2 v8 i2 r0 i. P+ _8 D4 D
- -webkit-transform: rotate(90deg);
% n+ y& d7 h! X' H: F5 m( \3 ] - transform: rotate(90deg);
$ K" q" V) f& [- }3 m - top: -5px;+ D9 a) y. q8 f; e$ F2 o( {
- right: -15px;1 @1 k, ~1 x3 _; |' b. g
- }) Y$ Y4 T# r0 \
- .dropdown-menu {+ t3 U5 v& _; H7 a# s
- background-color: #ED3E44;6 ] c7 I! h7 C( {( l2 ^. k3 J. [/ M
- display: inline-block;
! W# s* {, ~: _( h - text-align: right;' N' |, @: F8 S" \
- position: absolute;
& H9 _5 Q& n+ i. ~/ ~ - top: 2.5rem;
) u0 Z5 ]* @% |6 X1 I! D y - right: -10px;
% e8 X q1 J+ z$ P: Q( |! M; e - display: none;( F) H" D m. t/ o$ R, ^8 H
- opacity: 0;
7 h2 q) o1 Q% \6 }/ X9 k( Z - -webkit-transition: opacity 0.5s ease;; T) ]* n! T- o- M Z/ j
- transition: opacity 0.5s ease;
; N4 A/ {, Y4 r$ n - width: 160px;
4 ?1 h) H' C4 j6 U- V - }4 }# T$ E. ?) X$ M& ]
- .dropdown-menu a {2 |$ a+ [5 {* N( M) b
- color: #fff;' T7 X8 l) ^+ p1 Y
- }
" J! H4 K2 _5 y' o - .dropdown-menu-item {; i/ u- D- s8 W# Z0 s
- cursor: pointer;' F* a& R! S" k" n
- padding: 1em;
& |) V& l( m) I; l - text-align: center;
1 M. m* Z+ M( O; @* \ - }0 m* v9 N- d7 j6 ~# S
- .dropdown-menu-item:hover {% r3 w' a* w; l$ K% C( x- }) D
- background-color: #eb272d;
. ^( S/ g; r+ t( }9 H5 E - }
复制代码 3 e3 `0 E+ u% C! ]
可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">( I) K' K$ g- |' H9 M
- <!-- Checkbox toggle --># h" K3 g' F& f* l5 r& M7 p. J
- <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">
/ i7 k$ U5 Z( ~: I8 F% I" n+ v - <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>
+ _# @5 U' x6 N( b5 m( K - <!-- Content to toggle from www.mfbuluo.com--># | b3 q. t( j, A2 m+ c
- <div role="toggle" class="toggle-content">
" h2 n3 r& l% Y - BA-NA-NA-NA!
2 P$ X; ]5 M! k - </div>3 J1 o1 i- t6 N. R) S8 [4 h
- </div>
复制代码CSS代码内容如下: - .toggle {
# x" {, z$ j2 l" o( A - margin: 0 auto;
/ [; l2 g# ^, L' h( W1 n - max-width: 400px;1 E* A! Y! q1 y% Y {& v4 f3 N) B+ g& Q
- } X) v8 r, Z: a! W2 }& Q0 E5 _+ |
- .toggle-label {) [: A: ]* L. B3 [( W; E
- font-size: 16px;
- N) ]8 H( J, U# d% V/ Z - background: #fff;8 C" c( t* O* L1 w" c
- padding: 1em;
1 z+ v) c5 v% k4 b# h" } - cursor: pointer;' b6 T7 S7 l& G- }( ]
- display: block;% C- ]% j: M7 [1 }+ X# g2 z2 C
- margin: 0 auto 1em;
\) m4 Q% o" b7 R; y' x n - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35); e; n" V1 a& Y
- border-radius: 4px;5 y1 S4 R2 {) A1 R: i2 v
- }
* q( i! o# A( Y, v: e8 e0 H$ m - .toggle-label:after {
8 `. [/ k4 K) l - color: #ED3E44;
' E$ B+ y1 W9 N - content: "+";6 z& @5 h& `: ~5 l. C3 R
- float: right;/ c1 c& H9 I- [5 E3 n
- font-weight: bold;& i8 R. ^& x7 }% i' G
- }
" s9 V/ @3 H1 R. S - .toggle-content {
9 t' d3 l* C2 E7 e - color: #B0B3C2;
$ C: S! U3 }5 m! J3 E0 p5 o8 A) l - font-family: monospace;
+ R/ u( t( p9 q5 G: A - font-size: 16px;
7 D% h0 O3 d3 w, @) G: ~0 w+ b# R: j - margin-bottom: 1.5em;- B9 z+ i" L! l" U
- padding: 1em;" s/ P4 A4 g; ?
- }+ r& b' y1 L* U
- .toggle-input {
0 m; D* R4 y& h/ _! `, R' z - display: none;5 Q* ^% p1 h2 { }9 x) P$ s" g# V9 ]
- }
9 y s# R, i) y2 j" \7 t - .toggle-input:not(checked) ~ .toggle-content {
1 e; `/ G# e, H4 a# d+ I4 G - display: none;
/ o0 I& Y6 ]+ y- o+ `5 L - }
* K8 F5 N, v" M - .toggle-input:checked ~ .toggle-content {
2 @& t; A7 _ {" H& C ?" q - display: block;9 ]% ^0 u+ ]3 J# y5 T- P$ E" }8 Y
- }7 f/ ^/ n$ q8 P5 p% N( N7 N1 C3 f$ r
- .toggle-input:checked ~ .toggle-label:after {5 v6 a x# t" E8 \
- content: "-";
& U, w: @& p$ r/ w6 Z - }
复制代码 . |. _6 f# G) r+ H0 t
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3 s: n& G( h% C+ x( o5 t, f6 E$ a
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