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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!">
* j$ ~2 K/ @5 q9 ?6 T6 b - Label for your tooltip( f/ k9 T4 y( ?7 h, P6 T7 z
- </span>
复制代码CSS代码: - .tooltip-toggle {
/ N5 z( Y1 j3 G2 s4 H - cursor: pointer;
q+ B" F' e R E9 z; k3 B+ R - position: relative;
% q- I2 M7 `; s( ]( U% q2 O8 @/ M* C" U - }
8 {. A* S+ e! b. M - .tooltip-toggle svg {( K0 o& I# _4 Z9 H; D
- height: 18px;! v' {" F( X3 x( }2 j
- width: 18px;; P; o& n4 W4 ~
- padding-right: 0.5rem;
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. ?" J+ P# ?" P - .tooltip-toggle::before {
# v: u5 Z" o4 E0 w: @. l2 J - position: absolute;) b P" R/ |8 i: O
- top: -80px;9 w+ P% ^! v8 I8 y
- left: -80px;
8 U8 C. _4 Z H4 P - background-color: #2B222A;5 Q- _# s3 o) I5 Z1 `
- border-radius: 5px;% p: l/ T" ?; v- E0 Y8 D
- color: #fff;' O, |4 p$ J% P+ {9 `4 d, c+ J
- content: attr(data-tooltip);6 x, e. d- p3 B& J, Q$ F
- padding: 1rem;
N# z: ]3 u/ b2 l7 \# T - text-transform: none;6 r$ G2 k" {! ]5 o
- -webkit-transition: all 0.5s ease;4 L( D D9 _. z; m2 s1 Q
- transition: all 0.5s ease;; k: D3 W- z* s1 r
- width: 160px;
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- .tooltip-toggle::after {
2 [' z$ A; T9 N" Q/ ~, } - position: absolute;
7 q$ F1 q+ t V5 M: n7 y+ D/ ~! m - top: -12px;; Y: g6 _) Z6 S3 R7 t+ F, W
- left: 9px;
# E2 F m" s. k0 r' K7 Z$ [' v - border-left: 5px solid transparent;
5 Z9 o; x% ?1 ^& U, W, T5 N - border-right: 5px solid transparent;6 x; M7 z# Z1 a
- border-top: 5px solid #2B222A;
4 w' Q. U# W6 N' ~* B - content: " ";
* N$ d# B' W0 O/ B. A - font-size: 0;
4 g: Y: Q; B2 F1 H7 k- l: @5 M - line-height: 0; H& Z+ @0 a2 ^4 r5 c
- margin-left: -5px;% K: V6 V5 _1 L# e E6 F' w
- width: 0;
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- .tooltip-toggle::before, .tooltip-toggle::after {
6 o+ b, [0 \* d( k$ y7 t, J$ { - color: #efefef;6 g# ?) d$ A6 g9 b& R6 T. T
- font-family: monospace;
/ u( G. K6 f& K9 K; P+ E - font-size: 16px;; N8 |1 s; S! l3 g2 P( j# O8 a z L" @
- opacity: 0;
. i8 ~: ]- j: o) y u - pointer-events: none;, S- l$ k# I# d. ]
- text-align: center;, p0 L6 I9 h+ n7 z+ D0 G
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- .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {
$ d$ P, C; h# k+ b9 A) x) H - opacity: 1;0 w" G9 N i9 ~% Z
- -webkit-transition: all 0.75s ease;$ p! i5 \! C! f' g# Y
- transition: all 0.75s ease;, A6 w' L8 r4 J2 | F9 v
- }
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">: O& z3 v7 [( H
- <ul class="nav-items">% A) G0 M: f) q& h* h5 [& G$ e9 E
- <!-- Navigation -->6 ~+ E2 ~6 k! t* {) I9 Q
- <li class="nav-item"><a href="#">Home</a></li>
6 a X! z+ |* A, d6 y- N% X - <li class="nav-item"><a href="#">About</a></li>
5 T9 s3 s$ z. H( R0 p, h3 F - <li class="nav-item"><a href="#">Contact</a></li>- G& Y: Z% m3 a% m4 j4 X
- <!-- Dropdown menu -->
1 S% R5 V; W$ G$ }" T+ y - <li class="nav-item nav-item-dropdown">( S; `% Q) u' r2 o( ~* j3 E
- <a class="dropdown-trigger" href="#">Settings</a>
G$ [+ E M f! X+ G* A8 g% [ - <ul class="dropdown-menu">& r0 p. h+ U8 Z# k
- <li class="dropdown-menu-item">* _ Y" }/ N1 L" J& D$ J
- <a href="#">Dropdown Item 1</a>
7 b$ o( b5 `( _! y) H9 n6 X) F - </li>
2 l5 A" c+ J8 j: V7 ^ - <li class="dropdown-menu-item">
" f) v! x, J/ p/ ]1 l$ D1 j/ n) M - <a href="#">Dropdown Item 2</a> d2 D! v( ?; ]6 w7 ?
- </li>% [! s" f1 y$ p% D' Z" v
- <li class="dropdown-menu-item">5 W8 Y5 ^2 r7 o! n: c0 J
- <a href="#">Dropdown Item 3</a>* s$ {( j) d4 U# a* ~; q
- </li>
: b _- s0 d# o - </ul>
- P6 W% _- {- u' v - </li>$ I& o2 [2 X5 \- N+ j3 v
- </ul>
4 I" |7 D0 o: {) R ^; S- _ - </div>
复制代码对应的CSS代码如下: - .nav-container {
, d9 |2 G. d" z2 [8 o - background-color: #fff;
$ x9 ]* G0 O% w# [' G2 J - border-radius: 4px;1 F! \6 ]% k+ R: b* j
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
/ b) Y) v% K: d9 @- n - padding: 1em;
- U: t Y7 W0 L - border: 1px solid #eee;
( u, ^+ \) d& ` M& }7 { - display: block;' P0 H# A8 _; K/ S, R
- max-width: 400px;
) ^4 p& U. `7 W4 t) {: {- f - margin: 0 auto;
# d* d; ^# R4 D A - text-align: center;
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- ul,
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- list-style: none;+ Q6 Z4 b! c! e2 i( [
- -webkit-padding-start: 0;5 p& [4 [. T+ f) e/ E G
- }
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# c3 e3 ?3 `+ b+ Z3 d7 L+ N - text-decoration: none;! |; `2 J! O) X9 O D. Y% a. b
- color: #ED3E44;
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- .nav-item {& O6 x! A* i9 c
- padding: 1em;
1 T0 {# k- X2 |1 v' F - display: inline;0 b4 s" A' M3 K& n1 |
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- .nav-item-dropdown {6 m8 a* N7 `7 q. Q
- position: relative;/ F2 m0 G/ P! Q" v' @
- }
/ |5 ?2 m, V z6 d5 R - .nav-item-dropdown:hover > .dropdown-menu {
9 p, W, Z2 p% W9 X+ v - display: block;' P% U8 x) H* s* p6 P* z
- opacity: 1;% M! ~+ L, c6 b8 n7 y4 Z
- }
2 M% ~% i; c0 e6 M" p - .dropdown-trigger {$ Q5 p. c' _6 D, E3 A7 d6 Y% m
- position: relative;
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: ?/ p6 |# K# n% p7 J! L( t - .dropdown-trigger:focus + .dropdown-menu {7 S, ^) A0 {# Y" p% j, }
- display: block;
' {! q' y/ X( Q6 g - opacity: 1;. E: h$ }: b0 E7 r
- }
6 m- @: P. h5 q% J$ W - .dropdown-trigger::after {
+ H. U3 s- L1 v& Y( P' E& f - content: "›";
9 r' _) \ v6 y( E6 Q0 J# t - position: absolute;
0 y5 z) u2 J/ v" u3 h - color: #ED3E44;
8 a8 n0 Y1 D5 p l; S; i - font-size: 24px;
) y1 z8 D( I! L7 }% e$ c, f - font-weight: bold;. m: n% ^, X% Z3 Z3 o# a5 H+ \
- -webkit-transform: rotate(90deg);9 S! `% ^# L9 `9 X, O
- transform: rotate(90deg);7 C: ^: ?2 b6 P& S$ m2 B' X
- top: -5px;; ?/ W5 M* p3 S
- right: -15px;( p: J' @" b4 U+ R
- }
# o! c* T6 U' V, B - .dropdown-menu {( Z. Y* k: b; F2 ~
- background-color: #ED3E44;% C3 X' D$ p- W* @
- display: inline-block;
. c H/ Q) x8 Q: F$ D$ J - text-align: right;
: x2 e& T1 U8 o* V - position: absolute;
$ Z3 r& k$ m! O' b7 J6 _ - top: 2.5rem;
; C, M" [- r+ v5 l q - right: -10px;& `) `! O9 N: y, U+ l% F
- display: none;5 o& n& ?8 {% f3 }
- opacity: 0;
# U1 h7 r! W& J - -webkit-transition: opacity 0.5s ease;
# D+ h, Z- ~: y; w - transition: opacity 0.5s ease;
+ D* z' _0 m" q. w - width: 160px;
2 Y' ^( E0 l/ R ] - }! z& S! N7 ~. j" R, A
- .dropdown-menu a {$ @% ?# E2 ?3 w; \
- color: #fff;( x7 e# y9 K. V, u7 a& @
- }
: z& C% ^# K" H8 X. B( ~3 [ - .dropdown-menu-item {
/ F2 y- q+ P( i# ?* w. e- _ - cursor: pointer;5 t0 z `7 p5 V
- padding: 1em;) O: v6 u6 I8 _8 q: @0 l
- text-align: center;
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2 _9 d( d% R) t& ?$ i) ?' F. X - .dropdown-menu-item:hover {- f; f5 D/ _) a- d5 d, T7 ^- A
- background-color: #eb272d;
2 t; \* F" q4 | - }
复制代码
) I" `( k+ N; o' P, n可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">
( a+ E+ z' O- ^ `( ^8 X5 [/ W - <!-- Checkbox toggle -->
9 B% _8 v/ b& [7 w- X; \ - <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">
' O8 e2 P) n+ m* R% E% h - <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>; Q. n" C8 D* R3 p" G7 S
- <!-- Content to toggle from www.mfbuluo.com-->
7 R. n1 p* l: | - <div role="toggle" class="toggle-content">
2 L0 ?3 K% \/ e - BA-NA-NA-NA!2 u/ u' V% ], y
- </div>' P1 n5 ~6 U# [, A
- </div>
复制代码CSS代码内容如下: - .toggle {2 ^. B2 `0 Z: C% V* p
- margin: 0 auto;
5 A5 j9 Q9 V; G! [4 w: t) L* c; j& u - max-width: 400px;
2 j$ c" M# U" F! m: c0 }6 d - }
0 |, ?# A2 Y/ q8 q- o - .toggle-label {2 q$ d* r6 G" D3 A) c
- font-size: 16px;
+ p. Z, c8 V6 m2 s% w7 I7 D2 _ - background: #fff;
2 V: O! X0 {5 W; T) \. c - padding: 1em;; Q& x* ?6 k3 J8 d
- cursor: pointer;
W7 e- L7 J* F' j1 b0 y - display: block;" Y7 I9 ]! Y/ Z' t" k
- margin: 0 auto 1em;# T3 E) z+ p8 a2 m C
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);% T2 A9 r3 ^7 J# X0 A( d: w
- border-radius: 4px;
. V: N7 @( J z' ~9 W: M - }
8 X) o, g3 k4 X3 P k+ ~, [1 v0 z) q - .toggle-label:after {
d3 r. v8 |6 ^! z - color: #ED3E44; n; E2 Y8 `0 J: n% \: g9 X
- content: "+";" C0 |( ^& u2 k4 K% k
- float: right;& X- U) J3 q/ d
- font-weight: bold;
! K- r6 O7 m3 c% H4 t - }
2 z' A) a5 y% N f - .toggle-content {
2 ?. G- g. y3 I( q: I: t( h+ F# | - color: #B0B3C2;
5 {6 u5 b! X; Z! z. z( a - font-family: monospace;' k' e) a7 C+ D5 b( P2 |4 e
- font-size: 16px;2 k: G1 [ p1 r* N7 @7 ?
- margin-bottom: 1.5em;9 U+ C! m$ x8 x u! F* \
- padding: 1em;
% a$ C C4 O- G1 x' m' K4 o - }3 v, W- i- T6 x5 ?
- .toggle-input {
5 y }& Y3 v/ `$ \2 E( F - display: none; M: i" \& g$ [) b7 E" ^; |6 r
- }/ X9 U R" C1 S1 s$ z0 z! o6 X. q1 W
- .toggle-input:not(checked) ~ .toggle-content {0 c+ }0 h9 h( \: y$ i- d& U
- display: none;
% J4 b; H8 N" ~- K - }
, M) H. r* L) v. R0 S& g' f; _ - .toggle-input:checked ~ .toggle-content {
! W! S: {) j4 K1 _) V" ~ - display: block;
6 j3 N& S3 r o& y0 } - }
, S% I2 F* Y& i' r4 O - .toggle-input:checked ~ .toggle-label:after {9 O& p, M0 X' c, ^8 Y( @
- content: "-";4 R1 Y( @0 m2 ]( z2 [* o5 E- W
- }
复制代码 7 O6 h. C a. f$ S( `+ I. b# T4 _' ?
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