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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!">, V, C4 R( q! z0 k
- Label for your tooltip Y6 [% L2 r; d# D, }! X
- </span>
复制代码CSS代码: - .tooltip-toggle {+ C. _/ |+ ^3 B. S
- cursor: pointer;' \# }: l5 a8 f6 r
- position: relative;
9 K [! |6 ^9 T8 z( ] - }9 ~2 j' m% q \- F1 L
- .tooltip-toggle svg {
9 c" j2 _9 ?" I8 O8 [3 y - height: 18px;3 b* C7 l, K$ O, `, j- c
- width: 18px;: e9 S: Y0 V3 F( Y
- padding-right: 0.5rem;
) }; v- p- V: t9 O; P: Z8 J0 {7 O - }
' x4 s8 r7 g E - .tooltip-toggle::before {
! I* o( f0 g) W; s4 D! i - position: absolute;
5 Q4 C# l9 U' A/ N - top: -80px;
; |0 e/ z! {7 k2 v c% ] - left: -80px;
6 P3 t9 t/ I q# e/ Z, x: ]# |* W - background-color: #2B222A;: l' `. ?' U/ Q0 k7 Z- c
- border-radius: 5px;: k2 E( y- ~' x. C, z
- color: #fff;
3 r' }! ?, C$ N) L" q$ b - content: attr(data-tooltip);
- I/ o8 x$ b& I Q9 ^" k - padding: 1rem;+ |$ M6 d$ X }5 h1 j
- text-transform: none;
K |5 [) n0 B7 G+ U9 L" e - -webkit-transition: all 0.5s ease; w) |% r% U4 p8 D( t
- transition: all 0.5s ease;
@) L F ?, n& U - width: 160px;
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- .tooltip-toggle::after {8 W1 N) w J; I9 V, ]
- position: absolute;
3 P! ]$ @( A0 ?4 h$ ^- q - top: -12px;* Q( e/ N/ Q6 u2 t$ L; c" L
- left: 9px; _7 S6 Y1 b4 h' p0 ^: K0 d
- border-left: 5px solid transparent;
$ ]% o/ i1 j) h! w0 a3 d( L6 y. X - border-right: 5px solid transparent;
" j/ L5 Z6 a) N: q/ Y* u - border-top: 5px solid #2B222A;
p3 {$ F' S( e# k - content: " ";1 C/ [! `. B: ^7 y7 Z
- font-size: 0;
8 Y9 r8 k/ \7 m8 n - line-height: 0;, E, D: G4 ~$ X0 s+ `7 K
- margin-left: -5px;& z; ^: H" a/ t' `, D( S
- width: 0;
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- .tooltip-toggle::before, .tooltip-toggle::after {1 C- t# r! e# [7 L) j& v
- color: #efefef;- Q3 K" f# R* K+ w3 n& Y( {
- font-family: monospace;$ }3 A& D' l- C0 g7 t& g( k5 r
- font-size: 16px;
, _) H% E! |! J) M5 o K - opacity: 0;5 b! ~7 H- [7 u: L# o. Q; v Q! w
- pointer-events: none;
6 p; R3 E( h1 r% L - text-align: center;
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- .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {
! j$ q; M% l! L' E8 b! V - opacity: 1;8 g% U4 W% i0 Y1 r" n! V, Y9 |
- -webkit-transition: all 0.75s ease;) l5 f5 V! t1 {$ P4 C
- transition: all 0.75s ease; [" ^! M1 M% I- I; ^
- }
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 E3 V; o" b6 p# ?; a+ W; C
- <ul class="nav-items">
. v% E6 w# i1 r3 z2 j1 W - <!-- Navigation -->: B; S; {# Z2 K9 o3 D/ s7 x
- <li class="nav-item"><a href="#">Home</a></li>
) l/ G; d' f3 V% L7 Z - <li class="nav-item"><a href="#">About</a></li>! @3 g9 l8 X7 o$ A+ w& N
- <li class="nav-item"><a href="#">Contact</a></li>
1 m3 W% a: i# K, \ - <!-- Dropdown menu -->, `4 S, Q* K' b7 Y% t/ ~
- <li class="nav-item nav-item-dropdown">
- u d, ^ J* l2 o2 j C - <a class="dropdown-trigger" href="#">Settings</a>% F! R0 k6 c% i+ T& \$ t J9 G
- <ul class="dropdown-menu">
% Q' I5 U* T1 m, z" Q& [ - <li class="dropdown-menu-item">
1 d+ A7 k) s5 Y7 X - <a href="#">Dropdown Item 1</a>; ^# r+ G# R7 M+ o5 W$ i
- </li>/ v9 j' l1 ?5 o9 Q" b0 j
- <li class="dropdown-menu-item">
$ V* G9 T" }2 q% y - <a href="#">Dropdown Item 2</a>+ @9 E# M5 d3 y9 c6 ]
- </li>
' Z3 U; H) ?" d/ O - <li class="dropdown-menu-item">
+ n! v2 C* q4 | w3 r% ~/ [ - <a href="#">Dropdown Item 3</a>
1 X) P5 Z2 G) n$ g - </li>
# d: s, F+ b% x& g4 d - </ul>' ^9 ^) P# A, o# C' N* @4 u
- </li>
' r/ N3 l# ?( m" q - </ul>
3 w* n7 v( `+ f4 \8 R" ~, } - </div>
复制代码对应的CSS代码如下: - .nav-container {1 ~% G( w N* }( q2 I3 h. b* g
- background-color: #fff;8 c' K4 ^! ]3 h5 ~6 z
- border-radius: 4px;
: ^( S/ k2 U3 ~. Q' Y - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);5 q3 B- @7 X8 t; v: @; ^: D+ T9 t
- padding: 1em;
$ B' l' C2 v9 N - border: 1px solid #eee;5 O: L( F% c5 X8 a0 _8 ?( }+ y
- display: block;
# K7 \; ~0 S/ f- ?% | - max-width: 400px;; r6 N* ^* f" h! D: n, J
- margin: 0 auto;9 K2 [1 T$ f- T) J7 G2 O
- text-align: center;- A$ i, m/ \# ]1 V7 E* F0 I, D
- }
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- list-style: none;
+ O# h: b) t3 T9 V, G4 v( C - -webkit-padding-start: 0;
& \% x% ~1 f$ P P& e - }
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- text-decoration: none;! s8 Z3 \) h# ~1 p8 [
- color: #ED3E44;8 ^% p/ v" S4 L* j- E8 \
- }
+ u' v, F) E8 g' ^( [3 j: L - .nav-item {
! |% G. d% \! ^9 J1 k - padding: 1em;; {: }( m6 i+ V$ c
- display: inline;
- K# E( x$ _. g( _5 A# | - }
1 }/ l' A' f! V( a: i4 {' P0 w - .nav-item-dropdown {
+ l& t5 F; E( L7 q2 g% @' |* k, R - position: relative;, [+ G# {* q/ C
- }) `% N& V/ q1 k' l' e6 E, r; P# P5 a
- .nav-item-dropdown:hover > .dropdown-menu {% O8 I9 P9 k) L3 k- U/ z
- display: block;4 g3 B3 q" C* S# _& x% S
- opacity: 1;: x/ ~0 p8 o( n, s& u# w' e
- }
( q# s) z' u0 W1 l$ d - .dropdown-trigger {+ s7 y" C( y% m
- position: relative;# Y! I! y$ v- k
- }
0 B8 |1 O6 w* t* I' |: \" v9 U! Y - .dropdown-trigger:focus + .dropdown-menu {. ^. A" n8 U {* i
- display: block;, I( z* g v' t0 k |
- opacity: 1;9 C. o8 ]* y: {( ^4 p; N2 }2 a: c
- }
' L* M. s9 W: I: j) f9 `3 [6 a( V C - .dropdown-trigger::after {
( K" A3 l) z. T8 I' _ - content: "›";
/ Y5 U9 c9 _0 |8 {3 N5 r! I - position: absolute;
: b( ^9 K. p4 U6 \4 }. K4 U X - color: #ED3E44;
3 z# N# y& p4 H. d - font-size: 24px;0 A; Z+ V4 t% Y) M2 G5 R
- font-weight: bold;
$ N* m7 g8 w% M+ q! ? - -webkit-transform: rotate(90deg);
7 e) q; f( I; V) {9 b, a" M - transform: rotate(90deg);* _) d& F1 ?1 t4 Q# I
- top: -5px;
7 P$ ~+ I8 p' O' |' u; @; T$ } - right: -15px;4 N" ]7 x9 Y1 e; z/ Z1 V. a# f
- }
% o# ^8 z* E/ r$ c - .dropdown-menu {
0 H7 N0 x" M8 d- ^+ f. ^5 e - background-color: #ED3E44;8 D6 j+ b* s8 j. q
- display: inline-block;
. ^4 Q0 e% y8 _ - text-align: right;
+ p4 M& c6 R& w& [0 H - position: absolute;0 C4 R: Z9 q* u
- top: 2.5rem;
. s$ u& m0 o% T% z* C* A - right: -10px;. a; x/ ^9 |% z: r/ q. q8 f
- display: none;- k' @, F4 B2 w3 [9 {- d
- opacity: 0;
0 P6 D( E7 v5 d# a( e - -webkit-transition: opacity 0.5s ease;
' x! E# h0 b. o" P0 x - transition: opacity 0.5s ease;
5 r* d' G- q; c8 Y9 p4 t+ }( m - width: 160px;1 q7 c c9 @7 R9 ]# C
- }
. v0 _' c0 b! x9 A6 d2 Y4 F5 X - .dropdown-menu a {8 t! ^# V) g( D \" L- p% y; J$ D
- color: #fff;5 F. @( u8 l# O3 o* ~; X
- }
/ J) V/ E9 m3 [7 g/ e, ]2 q, k - .dropdown-menu-item {
/ P$ P% Q% s% b0 q [) u* _ - cursor: pointer;
, V7 t$ O6 N& ^ - padding: 1em;* G! g5 Q3 N. H. x0 ` W) m; K2 X
- text-align: center;2 G6 G8 H( e6 e# B
- }* ?6 d Y1 }& O7 Q) A* H7 ^! w9 ^
- .dropdown-menu-item:hover {
, U! [8 Z; @, L& C. u$ n c# V# ] - background-color: #eb272d;3 v$ t: Q. z1 ]/ w* m% W
- }
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& f& I4 A N2 i9 l0 U可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">
) ^8 C1 u7 N8 c9 a4 `. y, B6 l) f - <!-- Checkbox toggle -->- ^! D/ d: U% G
- <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">8 g. b1 c4 i9 P0 P' [6 Y# n
- <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>
4 C9 Y1 S1 W$ o/ Y' X5 I e9 d - <!-- Content to toggle from www.mfbuluo.com-->5 F1 j7 h+ b8 C" Q) c9 P+ ?, v& ?
- <div role="toggle" class="toggle-content">; G# x% A# G/ g& _1 {; g
- BA-NA-NA-NA!# j3 j4 N1 ~; N, k
- </div>
% u3 C, M& d. S) ^* ?4 X - </div>
复制代码CSS代码内容如下: - .toggle {* N! j4 X; M" P/ j4 d* z9 ?
- margin: 0 auto;4 B' D3 T, h, p: m4 T
- max-width: 400px;
0 H+ G C' ~1 b8 p- i - }
6 s8 y' l( ~+ ^2 Y: g - .toggle-label {
/ k" `) Z* I8 n% j( @( u8 C - font-size: 16px;
' D3 C5 X2 Z5 M2 f# | - background: #fff;
. t M$ ]& z- M( d/ n - padding: 1em;
$ ^/ g& e, \$ F( l - cursor: pointer;2 m: f, S8 P3 z- \
- display: block;
# a+ t: ]% F! l& L7 | - margin: 0 auto 1em;
& {/ U2 d" u5 Y - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);8 M- h, S7 b7 A/ x X) K1 K3 T6 l
- border-radius: 4px;
; }! O o; x( H. Z8 H - }
, {4 |# |5 k6 c7 E( M. U. ] - .toggle-label:after {" X" i2 @ S7 |# V7 H
- color: #ED3E44;
$ {; c3 w/ M- Y# g) j - content: "+";- g8 n' ^2 t+ i, H
- float: right;: H: u. L0 X: {8 A
- font-weight: bold;! [( u" h3 D2 y. F) Q; Y
- }
$ Q; `6 B! v( n - .toggle-content {
) w9 P9 g7 h# L3 w& \% ?) p - color: #B0B3C2;
$ U& Z. N( u2 t% P - font-family: monospace;+ o, N u5 J$ ?* l. l
- font-size: 16px;
; f }3 l; W9 I1 W# d9 O - margin-bottom: 1.5em;
1 }2 W5 T. I! [" ~ - padding: 1em;2 k- z' u4 U; ?1 d$ q+ o, T
- }
+ J \7 O9 t9 c% U$ T* E. _8 f$ t - .toggle-input {
2 Y* t; U. {2 X8 m# ~) w: | - display: none;" n4 q. s+ P: s0 a
- }9 l/ J0 z$ o2 H1 O, w3 B+ G
- .toggle-input:not(checked) ~ .toggle-content {5 m' O' w9 g4 K# ~( s8 g# \9 `; h
- display: none;9 A+ Z; S q7 s$ s0 D' b5 K! X6 u: t
- }, r' x" H; R3 V& A# `
- .toggle-input:checked ~ .toggle-content {
& m& D$ P6 Z$ T( {) l; T! a. w - display: block;
* _! k* M% Z4 s% \% y - }
& r' s5 H" O9 N2 d - .toggle-input:checked ~ .toggle-label:after {9 O9 [9 W- R0 M2 K) E
- content: "-";! @+ [1 }2 i# q2 U/ h f
- }
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