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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!">1 U; d" A# c2 N* E
- Label for your tooltip
: L; I+ _ y/ x; C - </span>
复制代码CSS代码: - .tooltip-toggle {
, k' w+ z( |6 g; C - cursor: pointer;
; E5 U* Y" N R0 f- a+ b7 Q; l6 C - position: relative;4 q w2 }6 s+ {) r
- }
9 w: E% q$ y: o' u s0 R - .tooltip-toggle svg {& {0 \' G( s- G2 @* h3 b' i
- height: 18px;
# t, w0 k0 X- d* u& Q5 I* M - width: 18px;
% J4 u! }4 U5 T# u5 E: ~& D - padding-right: 0.5rem;3 x& o& h3 o+ o) G1 i
- }
+ g' h0 ?( N) B; p( \ - .tooltip-toggle::before {5 ]( g2 r% N: O
- position: absolute;7 n0 e/ @' C1 \. a" D3 O' o. o
- top: -80px;: y3 V/ j9 W9 U+ P7 z
- left: -80px;
2 M8 ?, D6 i: N) ]) ]4 H - background-color: #2B222A;; t0 A; f5 j" Z+ a# d8 g% T
- border-radius: 5px;
1 m# `) B6 D3 x9 M+ U( P, H - color: #fff;* I2 `3 C) j# W/ y
- content: attr(data-tooltip);% A' v/ H) h! a: h" M, }1 q% R
- padding: 1rem;
' |* \& h( p" a0 n6 G/ [ - text-transform: none;' x4 [! c' G" E; }# v2 q" M$ {: K
- -webkit-transition: all 0.5s ease;: i, A2 I6 L/ b2 w2 Y
- transition: all 0.5s ease;
* ]* m& u5 H! _. E6 |/ ~7 z - width: 160px;" e" g, W$ k& n4 d# {, ^9 b2 T
- }
' n/ _' a* |% j2 ~, |/ x - .tooltip-toggle::after {
3 _1 \" Z& X+ t8 ^# ` n# [4 ]& s - position: absolute;
" E7 _% ^0 ]4 q! A7 H - top: -12px;
- ]) z! o/ G2 N/ z) y. J - left: 9px;
/ Y" G( O f% p" F - border-left: 5px solid transparent;
( U" X% K: p; n; g - border-right: 5px solid transparent;
$ J+ l) c2 ?0 t3 R( T3 N - border-top: 5px solid #2B222A;; V. y6 x3 Y& N' R* [
- content: " ";/ m' E4 Q& w9 C8 N9 t
- font-size: 0;" t4 |( T) s9 f$ g6 h& m% r9 w4 J2 U
- line-height: 0;. _, k C) k3 C+ ]8 V
- margin-left: -5px;
, r9 x. \ b$ ~2 h ~& N: @* c - width: 0;
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- .tooltip-toggle::before, .tooltip-toggle::after {6 {. M& M( O* E
- color: #efefef;% Z0 B" j/ T! G
- font-family: monospace;
3 r. A) V8 H& k' i& x - font-size: 16px;
: m3 t5 E5 ?$ z) ? - opacity: 0;# u }$ P" n: ]. y+ t& p
- pointer-events: none;
, V' U& l- v/ Q# T* O - text-align: center;. n& E( Q1 a C5 \
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- .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {) U$ R5 |& X4 m$ [
- opacity: 1;
* v/ {) D1 n, R, f& Q8 k. c4 p* y0 B - -webkit-transition: all 0.75s ease;
3 o4 d* K# M, S; j - transition: all 0.75s ease;4 A( |' t+ P) ^ B9 R
- }
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">
; b2 r% f" y. L9 y! l% C - <ul class="nav-items">
* Z0 R2 j7 _, e3 Y# f - <!-- Navigation -->* R* O h" q0 M; l3 E, B, D
- <li class="nav-item"><a href="#">Home</a></li>0 H* G2 e' j* ~3 N
- <li class="nav-item"><a href="#">About</a></li>4 W; r; e8 m. j9 @; x
- <li class="nav-item"><a href="#">Contact</a></li>
9 p, e: I$ D/ l* X; C9 E: O - <!-- Dropdown menu -->2 E/ g& h' r b0 e& V, e4 K# |
- <li class="nav-item nav-item-dropdown">: B) B9 k9 s9 s; n% x) I( G+ w8 c
- <a class="dropdown-trigger" href="#">Settings</a>
7 H7 v/ G1 q: j+ f; F) q* Q - <ul class="dropdown-menu">
- }. U. E# m8 ] - <li class="dropdown-menu-item">
, p% h" r( H9 t( V - <a href="#">Dropdown Item 1</a>0 v4 ?4 u: }: D# i8 n2 J
- </li>
1 y5 _8 W: j o2 Q% U# J" S7 ` - <li class="dropdown-menu-item">! m; q( Y7 ^( Z0 }, n
- <a href="#">Dropdown Item 2</a>
# x# e2 D' j0 \4 \8 r - </li>
' ^* D2 e3 }- e! V - <li class="dropdown-menu-item">
0 `. e) O* z9 F/ o. h T - <a href="#">Dropdown Item 3</a>
1 P: |& b! m, i4 b% e! B9 n) } - </li>
. Z; a' }; i v" C. x - </ul>( n! s) U0 ]5 o% X7 E% W, O
- </li>: L8 E/ b' z0 D* M- A
- </ul>, a: j! p, `" w
- </div>
复制代码对应的CSS代码如下: - .nav-container {2 Q& \* o" G5 G- U$ h* [( u, `+ d
- background-color: #fff;
6 P$ F6 A3 q) K0 N - border-radius: 4px;9 b5 P0 ]0 `& q! k1 Q! j- D k! `! A
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);) x" G! k v( }& Y( ?# {9 v
- padding: 1em;# C4 M& O. V; E, h7 _8 z
- border: 1px solid #eee;
3 @0 W/ x* W& u l _6 w9 i- ]% i- r - display: block;
( `1 e! m- u6 L( p+ r) D3 t - max-width: 400px;* p3 ?* q2 z" G9 n8 U4 x" U( N8 Z
- margin: 0 auto;# `- J3 M# F, O* B. `, G3 z
- text-align: center;" F/ M+ k( G+ d( l9 y; q
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- ul,8 {/ h5 O% V0 \/ [
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- list-style: none;
& p0 x0 I9 L5 o# m- w' { - -webkit-padding-start: 0;
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- text-decoration: none;
# r6 P5 R0 }2 J) O5 a/ x5 ] - color: #ED3E44;
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1 z: f; R8 [8 h9 a' v - .nav-item {
$ m. z! Z. [5 Q8 m+ h - padding: 1em;: w* j% E- @/ `1 V% Q# R
- display: inline; W8 V7 r& D' ^3 i
- }
7 B) W- s' k. K8 \/ C$ ~) K* ] - .nav-item-dropdown {
- [1 q3 z6 E1 Z3 W, r8 h! d5 l - position: relative;
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; W3 O. `7 f) r, N: q, ] - .nav-item-dropdown:hover > .dropdown-menu {4 g9 s! A; P( J+ ]8 p5 U7 j& i) O
- display: block;
) J2 m+ N% d. h - opacity: 1;5 W( Z8 p7 r- s
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- .dropdown-trigger {
6 O# O! h! b. L& Q# s - position: relative;
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+ U0 }% J8 `1 ^, m/ n - .dropdown-trigger:focus + .dropdown-menu {
* s1 J$ K$ o6 T - display: block;3 a% r; S# O2 X2 L
- opacity: 1;1 ]$ P! V* s- j
- }
. ^+ C0 D, [" r7 {7 E d - .dropdown-trigger::after {
2 j6 R5 K1 ~5 j: U+ {) [* ]* o - content: "›";3 n0 {7 d5 n) B3 _. G2 g' I
- position: absolute;
9 J. T, x! a/ x - color: #ED3E44; g. _) ~2 G( @
- font-size: 24px;5 a, j2 K) Y7 K8 W( e4 M5 S
- font-weight: bold;! m* X; N @/ ^) u# F' v R
- -webkit-transform: rotate(90deg);0 ^8 L* \5 c* `) L5 t
- transform: rotate(90deg);
' L* d( Q0 `) v% F- f. f - top: -5px;
7 t( ], E5 q6 t& A) i: C$ U% x - right: -15px;+ C" C$ ?; F6 B# @5 v) E, I
- }
$ z$ D1 S% m* p9 i, N4 W: i# Y) m3 | - .dropdown-menu {( p5 S g, Z$ \2 K3 W
- background-color: #ED3E44;
& U! v; u" x% q1 ? - display: inline-block;
" \2 i0 ?8 H* s$ }" V - text-align: right;
" H% \% f* M; f# @$ C9 H - position: absolute;
6 f+ ~& ]& I% {/ L - top: 2.5rem;
& j# N8 x- A8 @# D1 k4 \ - right: -10px;
7 }& R3 j' i0 J - display: none;" b; w$ r; s6 z. `- j. m" x
- opacity: 0;) l0 D" L i( w* c/ U* k4 x3 c
- -webkit-transition: opacity 0.5s ease;/ X% `- D7 P! _
- transition: opacity 0.5s ease;8 _1 \1 t- z7 _; {: S6 T# @; @
- width: 160px;8 [# V# h& H: d4 o7 `# h# d( \
- }8 P" u2 W6 D6 s0 y9 [
- .dropdown-menu a {
9 H6 l2 \! O8 b$ R) p3 p+ D, F - color: #fff;
0 E+ x0 I3 L0 I/ B3 K* F7 F - }
# {3 L$ }0 W! F/ c! U: J# C! |2 I - .dropdown-menu-item {( |4 Q; S o1 G6 G& X6 A5 f# a& b
- cursor: pointer;/ B1 D# ^3 o) ]
- padding: 1em;& d; Q5 s5 `+ F8 f; W# l. c' w
- text-align: center;+ d8 Z. u, O8 ^/ n }- i; Q' U# m
- }
% c! `7 A; N5 S$ k - .dropdown-menu-item:hover {. y( S3 p( L+ |2 d; \$ z }9 n
- background-color: #eb272d;, H# `) d1 }6 }* P' y
- }
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0 d \0 s$ J7 |' m# b2 o可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">( R* V+ L: e2 e
- <!-- Checkbox toggle -->' p0 h3 ~, l/ a0 p" f, J) L
- <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">) f/ _! J2 n V2 R0 d
- <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>
5 l+ e, Y' b Y) @8 L - <!-- Content to toggle from www.mfbuluo.com-->% u8 V% q6 S8 P! d
- <div role="toggle" class="toggle-content">
4 a$ m% E" N8 c" q4 }. I - BA-NA-NA-NA!* F- ?* \7 G; q9 p, Q! P. v
- </div>
2 ^8 z9 u% s6 D' S* Q - </div>
复制代码CSS代码内容如下: - .toggle {" K1 X( F- w4 V/ S
- margin: 0 auto;
& V- W5 R% T8 ~ - max-width: 400px;; ~' u7 ~, e. [ W
- }
$ v3 b7 Q% C0 m. C2 x - .toggle-label {6 s& K. i+ b! m* s6 |- S
- font-size: 16px;
; Q/ j. @: g" Z9 ^3 b& f - background: #fff;
' S- s5 P8 P7 }6 f0 R6 s - padding: 1em;
$ }1 I8 ~$ B/ d2 Z, W: j; ?. u2 ~ - cursor: pointer;7 x/ E* k' \; E3 C1 }
- display: block;
+ A1 R+ @7 I C3 P7 i - margin: 0 auto 1em;4 ] ?3 D1 e$ i C' ?
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
8 }! ^1 ]: O4 `) t" O - border-radius: 4px;
% m A& |8 A$ f - }
. x! L" i+ W1 {$ d7 a - .toggle-label:after {
3 s- }, z; h- L - color: #ED3E44;0 V, Y" ?$ Q% d& g% P/ Z
- content: "+";/ D; X$ r. j" s4 v9 I; v
- float: right;- w6 \2 p/ v9 @0 U) g4 |# `
- font-weight: bold;, [1 _, r* M$ H& F2 p0 u4 R
- }
- O) j: _# T! F1 Z) d - .toggle-content {& o4 F$ ?( \3 o8 Q
- color: #B0B3C2;
6 {" P" M2 T c* l; y - font-family: monospace;
) h# E# H1 K% k7 H - font-size: 16px;6 k3 J2 S* {& }+ E
- margin-bottom: 1.5em;) \; a9 H6 Z/ A: l
- padding: 1em;
1 Z6 f4 _9 P5 V. o0 C - }# o; }- w% r0 _# \* @8 j% f
- .toggle-input {
) i8 F" {3 e8 h4 ~7 D - display: none;
3 D* x6 L4 e. P N9 b2 k- m* Z5 z - }
$ g0 {. B. s; j4 X/ O - .toggle-input:not(checked) ~ .toggle-content {2 J: M( ~! O5 }: X) q
- display: none;! k" C z' j" f" h z
- }
7 T, P" ^8 v$ P) [! g - .toggle-input:checked ~ .toggle-content {) m6 _1 _5 C/ ~' O' p! i6 x5 \
- display: block;
9 S$ |4 z) J3 r$ A5 ]% B - }, c2 x0 X; g3 ]4 @0 ]( Z f
- .toggle-input:checked ~ .toggle-label:after {8 w& J# X, _6 y# W2 B
- content: "-";
B! {/ W* g7 V' }: n9 q - }
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