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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!"># g5 R' P% j. S
- Label for your tooltip
6 D; B0 b c- U2 g4 |; H - </span>
复制代码CSS代码: - .tooltip-toggle {* m# T5 _+ G$ W+ s) B. t3 {0 U
- cursor: pointer;
" x: R7 l0 t( p* E - position: relative;, ^2 g% F+ D! x* c% J
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- .tooltip-toggle svg {
' w7 J W. U# G( B9 Q) b5 ?/ H - height: 18px;
! R4 S% ]2 o' A; X - width: 18px;
. J* \0 J) B7 N) Q - padding-right: 0.5rem;
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- .tooltip-toggle::before {
7 P0 t$ j+ K( G - position: absolute;5 S) g1 B: |: x8 t2 ^. M7 x
- top: -80px;2 [- w7 E0 x1 G* {: U& f5 f
- left: -80px;2 X+ t4 d" J* v9 p1 b: j1 V
- background-color: #2B222A;
5 f/ r: C' t, P0 t/ O - border-radius: 5px;4 Q; R' X( u/ ?. k3 X6 Y
- color: #fff;2 s0 S& @: K- K3 Z7 |' W8 q& {
- content: attr(data-tooltip);9 J. w' S- k0 p. f( @8 o& D
- padding: 1rem;% k4 n3 H! X! o1 b# p& H
- text-transform: none;
6 _& G) M4 j& [) r - -webkit-transition: all 0.5s ease;' Y3 B4 E7 r, t& v+ @# D' F
- transition: all 0.5s ease;0 k+ o- {3 R2 v1 _6 P% v1 a" \+ G
- width: 160px;
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- .tooltip-toggle::after {
0 V; C5 [( _! M/ K! T- } - position: absolute;6 U$ z" m8 f% a! f; A" R
- top: -12px;
A' M; Q# h0 s" p" m - left: 9px;
: Z+ U% E# R$ Y) ?7 O - border-left: 5px solid transparent;
3 Q3 e& n% D6 V+ i$ H+ z0 o' t) o - border-right: 5px solid transparent;$ c3 ?; W" M5 Z8 u/ j1 _% A0 \
- border-top: 5px solid #2B222A;
}2 {6 w8 t6 |1 n) b - content: " "; F& e5 ~% r1 K7 O% c( _: N3 f
- font-size: 0;/ U( D7 I1 W: j/ Y, D
- line-height: 0;
! |1 G$ \+ a- Z& p$ p$ r }+ l" [ - margin-left: -5px;
$ i7 f. c. _+ c. o# N9 f - width: 0;2 M7 p: K6 |* l0 X' u X7 c
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- .tooltip-toggle::before, .tooltip-toggle::after {% p+ ]- U; H! S: r! k9 ?- l8 n
- color: #efefef;
$ ^, r% ?# g, P- M" o - font-family: monospace;/ Y0 J( X; A1 s+ z5 E: J' U$ V
- font-size: 16px;% z# C R, H% i0 l& \
- opacity: 0;
$ u6 i/ t J. @& x ~3 Z& Z. _ - pointer-events: none;
9 S# w. w( l* @ - text-align: center;
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* m$ J: y5 i% @ R1 A - .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {5 q- r5 p: a A0 f
- opacity: 1;; S2 v" X _* P7 k, ?7 V4 z% w1 u
- -webkit-transition: all 0.75s ease;5 ]7 c6 S; j" [$ M
- transition: all 0.75s ease;
' X9 T) d/ u9 i0 \ - }
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">+ [0 V# o) l; _4 @: M
- <ul class="nav-items">
) F) D0 I4 V7 D; K/ Z9 @# w - <!-- Navigation -->- O8 t/ |4 Z |* G! U
- <li class="nav-item"><a href="#">Home</a></li>6 D P* w& k% b1 u% M- P i# e
- <li class="nav-item"><a href="#">About</a></li>7 J; O$ J9 _. h" w {/ Q2 [: P
- <li class="nav-item"><a href="#">Contact</a></li>
% C' U# b, v7 h$ q8 c - <!-- Dropdown menu -->& P% l1 `! F' |* P3 v8 J
- <li class="nav-item nav-item-dropdown">! i- H/ e9 n" h9 b# ]
- <a class="dropdown-trigger" href="#">Settings</a>8 a0 T2 ^% m) p' R
- <ul class="dropdown-menu">
% f+ ?, B4 Q9 P0 V - <li class="dropdown-menu-item">
4 x0 J1 L z) S - <a href="#">Dropdown Item 1</a>' Y: |, L( O3 ~ A6 r \/ }: x
- </li>
7 [9 \5 U; z/ }2 S - <li class="dropdown-menu-item">; u1 z* P( G' y: t* E+ g
- <a href="#">Dropdown Item 2</a>& X3 ~: _! a4 P% P
- </li>' q/ ?; w' h- y1 B: o
- <li class="dropdown-menu-item">
& K- H' _. I( ?" i - <a href="#">Dropdown Item 3</a> j& [6 y' x4 N D
- </li>
/ ^ H* t; W) ]0 g) Z/ `, }" u - </ul>' e6 j$ q% l1 G+ Y
- </li>9 X% W! w* u) W
- </ul>6 @. M( r3 t( u+ i1 ?: B$ k8 [) [
- </div>
复制代码对应的CSS代码如下: - .nav-container {
/ P S* |, q+ w0 U& w9 P - background-color: #fff;
* Z$ g) ^) U: P9 f% L2 l - border-radius: 4px;; p. h; y) z, e W
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);5 S; W. H* D9 Q; g$ P4 P4 T8 w( N
- padding: 1em;
0 H9 E) U! S4 Y2 ], o1 J& \! p5 S - border: 1px solid #eee;
0 `. P0 x! L# d+ d - display: block;
$ j( S1 y" z# y8 Y }" d. z7 z0 L - max-width: 400px;3 R; C8 F8 V+ N6 `
- margin: 0 auto;
; |: v/ P8 ?0 Z L - text-align: center;% j' j. W# d# k# e( W
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- li {
, Q! {7 i1 M3 I) X - list-style: none;+ H( r$ ~# H. w$ G( i' i. E
- -webkit-padding-start: 0;2 H, m* T D- ~3 V2 X5 T
- }
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! X. u. H8 b7 V; H/ @ - text-decoration: none;
$ K& {* D2 T1 I; N8 r* H# ~, |& A0 K1 r - color: #ED3E44;
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- .nav-item {
8 a, U- Q5 x# n, v' f# E - padding: 1em;
. k1 s( c% L5 V7 S5 Q - display: inline;9 W9 u! Z5 p( o- _ J& {
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- .nav-item-dropdown {6 B! g3 x/ b; B8 S1 M
- position: relative;
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- .nav-item-dropdown:hover > .dropdown-menu {% ?% g/ p) e' T7 Z9 W$ R+ K& y
- display: block;1 m6 n2 J$ s7 w" h2 B5 ^% V! }
- opacity: 1;, _. m( H+ Z2 P7 e$ c; s
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- .dropdown-trigger {
9 C3 \ R1 @ P - position: relative;$ z0 S" D# T0 ]1 ~# o8 U
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- .dropdown-trigger:focus + .dropdown-menu {
H$ f2 ]; C) G' U* b- R9 f, g2 a - display: block;
; t# U" T& ~' t' `9 m, O - opacity: 1;
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- .dropdown-trigger::after {
; y( B! y8 h9 M2 E, b" v - content: "›";
: e& y0 { J* R+ J& u# x- R - position: absolute;& P1 H9 [( d r; j
- color: #ED3E44;- Z; D: p7 e) F6 \4 ? N
- font-size: 24px;
" |, _4 Y, j2 b: a8 U2 u# n9 H* R: e - font-weight: bold;
4 S$ J- l& [) z# { - -webkit-transform: rotate(90deg);# E, O& v; I& w' F& R% C0 k
- transform: rotate(90deg);! F& x/ `0 b# X3 j; _$ ~# {
- top: -5px;
7 o2 i/ w2 K, m7 `* w1 t- M4 S - right: -15px;
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- .dropdown-menu {
7 T% @+ q3 _/ [ - background-color: #ED3E44;
" ^* _. R; m+ }* R u2 l' L% U - display: inline-block;
! v7 _5 G6 Q) G: J4 f - text-align: right;
0 f2 P2 w5 ?. C, }2 g4 | n - position: absolute;. [9 e1 w' A; k
- top: 2.5rem;1 \4 J+ d v) S7 P
- right: -10px;
: N9 Q, L; H1 H4 r& D4 m0 z - display: none;) o5 q0 Y, e0 I0 h3 Z
- opacity: 0;
) M* ]' W4 R8 \2 L! E" [+ R - -webkit-transition: opacity 0.5s ease;
' U1 ]/ J/ ]( E9 Z% E - transition: opacity 0.5s ease;
; G2 ]8 r7 J* a8 a2 z - width: 160px;
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- .dropdown-menu a {
7 ^9 V) y6 v0 @! |( J. B, J - color: #fff;
6 S5 H1 @: I9 m4 D - }
( g) c L! \2 N& f+ | - .dropdown-menu-item {
! o* L% Q1 e+ S7 l, A; u. y - cursor: pointer;
8 Y( \% ?2 V2 a- i% c2 i3 u' n - padding: 1em;
% r8 ]7 h, t# C' _0 r6 Q - text-align: center;7 ^( W: e, D, F4 d* A6 |$ X
- }2 F9 Y7 U& M8 C
- .dropdown-menu-item:hover {- D Q# }! q3 m4 ~
- background-color: #eb272d;
% O2 O0 r$ @2 q - }
复制代码
' u% n& ^' K0 i) R# @, a# \$ P6 v可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">+ h( g6 R4 H8 F! s; r6 X
- <!-- Checkbox toggle -->" I# X6 w6 P$ h( x- U
- <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">
8 Q2 R) g, R6 c7 M+ E3 l - <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>9 {/ J& I S$ h. f0 K- Q
- <!-- Content to toggle from www.mfbuluo.com-->
0 e5 T7 O0 n/ v: [0 S" l - <div role="toggle" class="toggle-content">
: k, @3 f8 Z) x) c5 U - BA-NA-NA-NA!
" a, t, Z& H# P! a E0 X - </div>$ ]! t( K7 M* W: A6 @
- </div>
复制代码CSS代码内容如下: - .toggle {
6 E9 M0 P; ]$ G$ a2 f z$ Z( Y0 x8 ] - margin: 0 auto;
7 c, R i' Y. i5 H- o& V - max-width: 400px;2 u( _/ S1 g X: G/ ^( I9 `
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- .toggle-label {
* c+ ~; X l( i4 C0 _ - font-size: 16px;
2 B( _! D' S: A9 W. g) z- E) v( C - background: #fff;/ p1 H; X" y7 C r/ u# k) B9 Q' s8 r
- padding: 1em;
5 q7 c1 x3 T: x6 ^% r; L A5 Y - cursor: pointer;% x$ e \5 M5 S8 M3 m/ V
- display: block;
* g2 q0 i, P3 w4 L6 } - margin: 0 auto 1em;
) l7 u6 [% ~1 @9 R - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);( U6 r! b; P! L u4 a$ S" f& }
- border-radius: 4px;7 ?1 k0 |' a. o0 x( k2 [
- }$ U4 l( u2 T( x4 P
- .toggle-label:after {
' g. P. M1 \8 b" {8 k - color: #ED3E44;
6 |0 {8 Q4 ~: @ - content: "+";% Q) d! S. L4 d7 z
- float: right;
8 n# @* m& p* s4 y D' y4 O# } - font-weight: bold;2 B* u- q, F5 B
- }
5 p* w, @* J$ F - .toggle-content {1 S1 }2 {# q T" z
- color: #B0B3C2;8 a" b/ R/ a3 T# m' e9 Z$ s" O3 C
- font-family: monospace;
! `$ \( ?$ n$ E3 v9 e# O3 ]$ b - font-size: 16px;+ t# q+ @( F' @; k$ N
- margin-bottom: 1.5em;
3 Y7 z: h M- T; e- w0 p - padding: 1em;
; ~0 {: E% Q4 y5 ~4 F& p - }
4 C' N. H; H [) f* y3 S - .toggle-input {. \7 O3 k) s5 P# F3 F8 ^4 u" l
- display: none;
; ?1 S; ?5 j1 w8 q - }
$ `. ]7 n5 m j0 d+ R! v - .toggle-input:not(checked) ~ .toggle-content {
. d7 s8 v$ z8 f, Z - display: none;3 z: n0 z% l7 p
- }
4 H/ h H4 X3 s' E - .toggle-input:checked ~ .toggle-content {
H+ x* U0 _5 A" E - display: block;
6 R, }5 B1 }/ W% J2 H* ` - }3 j( @8 F9 n7 K& ^7 |1 U
- .toggle-input:checked ~ .toggle-label:after {
% j# z& M8 C- C0 V% l% v - content: "-";
- P+ |; M1 u3 N - }
复制代码 k: x; b4 A2 ^+ m" O: b
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