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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!">. S1 B$ t! W% `- }& R
- Label for your tooltip% z1 C+ q4 z. z' T" A3 P- v
- </span>
复制代码CSS代码: - .tooltip-toggle {
9 [. \7 _. l+ T0 j - cursor: pointer;. H$ h X( m4 D; f, Q( }4 @
- position: relative;$ l0 u* A6 V- `. k+ L% E4 R
- }
$ A$ K9 N+ d8 |( S4 \3 |( i/ E, ~* H - .tooltip-toggle svg {: J4 N }6 n9 o3 |8 e; t% u
- height: 18px;
! D$ A& y7 Z, S \7 f- t - width: 18px;/ Y& W' w7 q$ |% M9 U$ h, M
- padding-right: 0.5rem;
* J0 o2 b8 k7 o m* Y% |( C - }
/ s$ M+ |" X I5 Z- s% ?- o# g - .tooltip-toggle::before {
1 _9 F: m2 L" H$ w! J7 q' W2 Z - position: absolute;1 R' X- X9 Q9 p1 R5 W! I m, _
- top: -80px;: p/ P7 d) g1 g2 T. S
- left: -80px;
4 K# ]& J" D( B0 | - background-color: #2B222A;
+ K( ^$ G, w; z& t0 ~ - border-radius: 5px;) h# h D2 Z$ K3 i
- color: #fff;
2 r# K( n& ?& q7 K# Y9 _2 U$ M - content: attr(data-tooltip);" k! j" [- o% L4 _6 x
- padding: 1rem;
% ?2 ~1 m/ o* l/ m9 ~ - text-transform: none;: r! v5 Y- w9 s" G P" V
- -webkit-transition: all 0.5s ease;% g5 R5 C1 O3 m4 ^, e* }) T
- transition: all 0.5s ease;6 y* d5 |: g- D+ a! L4 W6 _$ X
- width: 160px;& ?! C6 h) t1 T, z& A7 V$ \
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- .tooltip-toggle::after {/ r# ?6 T- y0 n. k3 J0 d: O. Y9 ]
- position: absolute;
6 I6 C1 T+ {/ a r7 ]$ U - top: -12px;
m% f% I2 d& i* E - left: 9px;
9 L, z5 c, G+ b- S( L- { - border-left: 5px solid transparent;9 Z8 R3 u: n# p& K5 \
- border-right: 5px solid transparent;# l3 A1 o0 O6 a, F8 B( I& s4 S
- border-top: 5px solid #2B222A;6 ^; ?, f; r$ \0 e$ P
- content: " ";
! v- \0 h2 W: g: | - font-size: 0;0 z. ]* X8 J4 D: X! f8 u
- line-height: 0;
/ y/ s7 X: L9 I& i; P8 H - margin-left: -5px;7 G2 [& `+ v1 F' Z7 v: {
- width: 0;
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) _3 D# z# K% Z' i6 g - .tooltip-toggle::before, .tooltip-toggle::after {3 I7 k. @, w& P" R7 E
- color: #efefef;
( }& D3 A [& \7 N, r4 m& O& i m - font-family: monospace;$ U- O2 \( R! |$ s+ l
- font-size: 16px;6 R/ i! ~0 i' v/ `
- opacity: 0;
; w- b; ]/ t$ o9 p3 ^ - pointer-events: none;* @$ m9 \+ f8 d+ j2 R+ V
- text-align: center;! v/ }) v* u: j% b& U6 p+ j: [
- }
* T. J* K7 g. K - .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {
1 P; G3 M4 w) S( e2 R3 N: G - opacity: 1;
- O; h' ^& V3 X; ~5 | - -webkit-transition: all 0.75s ease;
" k" e/ s7 K. P- |: d0 H. M8 F - transition: all 0.75s ease;
+ z4 ^+ D, ~9 b6 ` - }
复制代码下拉菜单 如果你想实现一个简单的下拉菜单,你可以通过 CSS 的 :hover 简单的触发菜单的隐藏. HTML代码: - <div class="nav-container">! V" l% c2 \9 O; _
- <ul class="nav-items">, S8 U% F* Y% j. V* {
- <!-- Navigation -->
B2 L0 s9 R" p1 J- r, i - <li class="nav-item"><a href="#">Home</a></li>; T& T0 ?& i8 }% X l
- <li class="nav-item"><a href="#">About</a></li>
) L+ R# n+ q0 r; N) A' e/ H$ d - <li class="nav-item"><a href="#">Contact</a></li>3 u* \7 o4 S7 c8 x5 R; V
- <!-- Dropdown menu -->4 w& {* O% V! `- o
- <li class="nav-item nav-item-dropdown">
6 T' w1 `+ h4 B5 G; D8 u - <a class="dropdown-trigger" href="#">Settings</a>4 M: V! W6 T5 k+ p2 j& A6 X; l! o
- <ul class="dropdown-menu">! X5 l" X1 }% d! {+ f# h3 g- s8 R% `
- <li class="dropdown-menu-item">
+ N: c& ]6 R; `+ y3 w6 a - <a href="#">Dropdown Item 1</a>( _; o& x: T% w' }' P4 P2 }6 B7 S
- </li>
- V$ N9 r# |- |# E' E - <li class="dropdown-menu-item">
: g i% Y' |7 A9 Z; E - <a href="#">Dropdown Item 2</a>! \5 l4 j ^9 t, I4 s
- </li>
& O' `2 b L+ M7 U - <li class="dropdown-menu-item">
/ q4 y/ p$ K+ ^" k3 m% Y" d' s - <a href="#">Dropdown Item 3</a>! u$ U" p5 P0 j& j2 ?
- </li>" K# S& i# Y! j0 d! F$ F
- </ul>
: ^6 {" j1 F( w3 z9 f - </li>
9 G( N4 x' Z$ [3 z% v! d - </ul>: }8 V/ h& O* S# }1 @
- </div>
复制代码对应的CSS代码如下: - .nav-container {. W. y7 ~: j4 b2 \) _
- background-color: #fff;
9 r/ S. `9 {' C, | - border-radius: 4px;9 D) U4 x) ]% O
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);* D% s# d5 r; `0 |0 `- W s
- padding: 1em;+ B% a9 _+ ~9 w3 `' ]% O; u9 M
- border: 1px solid #eee;* ]+ T) `3 k( G* G# c1 N
- display: block; v/ g' W& v2 `3 s7 p2 W: n
- max-width: 400px;0 T( A, |; u0 l9 z2 |
- margin: 0 auto;
4 {- @2 X( _% f9 F; X - text-align: center;
f% a: L6 h. a; x) }/ _ - }
% E9 Q+ h& {+ |/ f - ul,
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- list-style: none;
/ t; R1 H' ^; A4 z2 X - -webkit-padding-start: 0;& s4 O3 E5 h2 ~" I% y; e3 M
- }
9 W6 P# i$ U* Q7 ~ - a {
+ i" Q2 J! { W' G. b8 z* ? - text-decoration: none;
( X7 @! w9 M0 r! [( c - color: #ED3E44;- [: G* O9 j! P# y9 S; k
- }, \% y% L$ b i6 d: j
- .nav-item {, _ \; a- _/ d; T; \) s
- padding: 1em;
8 J$ }; o$ ?. A - display: inline;
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- .nav-item-dropdown {
# ^: t) z3 M+ _4 |9 ?8 d1 ~4 { - position: relative;
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' w9 ]0 h( `0 V' g% @: f - .nav-item-dropdown:hover > .dropdown-menu {9 a3 Q0 _1 Z# V9 d$ u% ? w
- display: block;
. [8 @; U& N$ }- b$ i: q - opacity: 1;
4 c6 }, D7 W; K9 s/ X/ m4 ? - }
$ [1 B/ v9 \0 M3 w; V6 n* g - .dropdown-trigger {
' U/ K' p: R1 ]% a }5 {5 k% m4 ? - position: relative;. w; Q \& }8 m+ C, z
- }
4 o5 i8 l0 n' l8 U7 X5 ? - .dropdown-trigger:focus + .dropdown-menu {
, n' [8 r" }: \( t6 w# f - display: block; @# C: ?( z# a: l! o
- opacity: 1;: {4 p; K$ ^, t; t$ [ d* `
- }
8 L3 [% ~3 ~$ I - .dropdown-trigger::after {
* H% c+ U# `7 ]% I3 } - content: "›";
1 D' B# T/ W2 _* L* Q9 x/ f/ s - position: absolute; ~! b- }- i* r, A( c# {" [
- color: #ED3E44;0 t0 N5 N: k U n) N5 Z8 p
- font-size: 24px;
6 Q& D( q! w6 @0 S - font-weight: bold;
! {2 a+ A2 Y( W: L, c - -webkit-transform: rotate(90deg);
! E7 N B3 ~$ p* ^% ]; p8 K/ Y - transform: rotate(90deg);+ ]/ n/ w3 C0 k) J! M
- top: -5px;
+ o) o! G2 O1 n# V - right: -15px;
( b k7 N- d2 K P, F! H - }+ X) T! }0 o* W7 u: j+ E
- .dropdown-menu {
# G9 S Y( p" x2 {0 P3 [ - background-color: #ED3E44;
+ A+ @, Y' J5 e7 t: O* l w5 G - display: inline-block;
, X+ {: L: b# u* r - text-align: right;& x8 R* K- c: g& o9 ~" N
- position: absolute;
& g4 k( p( x. L4 k7 L ` - top: 2.5rem;
! k& ]1 V% M5 F1 }0 R - right: -10px;9 s- M8 t1 F8 i) V5 k% m
- display: none;
) t8 B* O6 ]0 Q+ y J4 j - opacity: 0;
' p; b9 P4 X- J+ W2 Q - -webkit-transition: opacity 0.5s ease;
0 b) |3 w6 I" I8 {$ S - transition: opacity 0.5s ease;
9 H! Z7 e* S* s4 C8 b - width: 160px;4 r2 v0 f% |; V% J I, @% q- r
- }
- m k. P9 ^% _) `- Z" {% f - .dropdown-menu a {9 m& c5 ?% `) _9 Q
- color: #fff;
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- .dropdown-menu-item {
) A3 }2 M6 X, D; A2 I& [ - cursor: pointer;
+ `: n6 R% @$ D4 l; F. Z5 K% U3 H& C: p - padding: 1em;/ |1 f% ^# O8 F. ]2 `+ O) V
- text-align: center;
6 N( f* V9 w2 M b( S4 W$ y: z' W - }
* ?; b+ m( z3 N# d& `, w# J- w" k - .dropdown-menu-item:hover {* g2 f: D% b' e+ K/ E. b
- background-color: #eb272d;: A' [' r3 C' F4 B- B
- }
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/ h; a8 r, T: a. j8 }可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">, j7 Y' z% C4 |2 M6 }* M
- <!-- Checkbox toggle -->
2 `* e+ T2 R; b. _ - <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">
8 B3 q' q: M$ U& Y - <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>
9 Y4 A Z' T; v, \; h - <!-- Content to toggle from www.mfbuluo.com-->
8 E1 L" |9 K" I8 u' D8 Z - <div role="toggle" class="toggle-content">
! v8 v2 l" w8 k, j - BA-NA-NA-NA!
5 H$ H7 o" b' U# B7 c: K% T - </div>
' B# w( t8 Y7 z$ L0 a" p; Q - </div>
复制代码CSS代码内容如下: - .toggle {0 i6 X% f& h+ j
- margin: 0 auto;
% [3 h! E8 M6 a+ A: ^ - max-width: 400px;* s$ L9 |* C7 o# S6 K4 v o
- }" U9 e2 p! `, `' S! T
- .toggle-label {2 [9 v- X3 n& q7 [
- font-size: 16px;
* ~( _" }( U* K7 N - background: #fff;4 ]2 M0 H3 Y- l& m S2 I/ _
- padding: 1em;4 _ y! ^: F; q+ v
- cursor: pointer;
; n7 I2 N9 C$ I7 X5 ?9 \% j2 L - display: block;8 X) W: [9 g: G) Z: x
- margin: 0 auto 1em;) I7 ]8 t1 J1 }
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
7 s3 k# g! z ]) ~& o3 D - border-radius: 4px;+ ~( z, Q, i _4 y, J1 F) R; q
- }' a( e0 w) ?3 L
- .toggle-label:after { T3 Q* t; U; \; j
- color: #ED3E44;
0 g, t. {' e; _% L! u0 T - content: "+";
, ~" u5 ] E1 I' n! C8 o - float: right;0 E% T( i; q- f5 C
- font-weight: bold;, V- {! W$ ~# G" o
- }
1 {# j3 \) m. T( Y/ G6 b - .toggle-content {3 s# R5 x/ r4 S, _& u7 `
- color: #B0B3C2;
" {2 h+ X- i/ a7 n; J$ L7 Y - font-family: monospace;1 {1 d- O- Z( j5 ~& V. T, u
- font-size: 16px;
- x+ E; ^+ t, l - margin-bottom: 1.5em;
, U; y: z& g. y - padding: 1em;
2 o+ k+ P' @% H/ J) o5 T: G! e - }
, ?# n/ t/ W! L$ _1 {: i - .toggle-input {
' {4 N; P: c. [; T g5 E; C - display: none;
4 F9 x/ s, \1 _: `; G f - }
% H8 X! {0 v! j _, g# J - .toggle-input:not(checked) ~ .toggle-content {( ~8 h8 v* q4 s/ L0 v
- display: none;$ z& x' l% b: f$ o; H
- }
; A% N6 L: ]; l* d* {1 c5 i - .toggle-input:checked ~ .toggle-content {4 ]# i% G1 N2 U1 Y
- display: block;
8 ~5 |6 A* s) v9 r - }2 E3 r( x/ {0 @% E! f6 ^3 X
- .toggle-input:checked ~ .toggle-label:after {
. h$ p/ N$ f: k7 L" L) Z - content: "-";* ^$ \2 a- w7 A
- }
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