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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!">
) x- w6 C5 V- D% E9 ^& a - Label for your tooltip9 o. b% a) j1 _4 n4 e, n# ~- h& Q
- </span>
复制代码CSS代码: - .tooltip-toggle {' x, D4 F9 T& I+ J/ u% y( Y$ h
- cursor: pointer;
7 S! L. `7 u$ p% m& {3 K" L - position: relative;
! i6 D7 S" r5 z- U - }
' z' c% D& v# M6 y& ?2 t* n9 | - .tooltip-toggle svg {6 [8 S+ C( v9 u: p
- height: 18px;
1 ` W3 V) e! l4 d6 [1 {- x - width: 18px;
. v Q, I7 I- T/ I7 E0 | - padding-right: 0.5rem;
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- .tooltip-toggle::before {8 i- h0 ^0 p) z& A9 A5 X
- position: absolute;
Y6 i0 X# F6 N* j0 b5 l5 d- J: v - top: -80px;
- u ^# N% [; x - left: -80px;. A2 f. D+ y# j
- background-color: #2B222A;/ G( H3 e& g7 k9 s/ ^
- border-radius: 5px;
+ x7 x) Z2 t: @0 }% d0 E - color: #fff;
( `6 ]3 U( U0 l% ^ - content: attr(data-tooltip);
( }' ]1 b2 V+ R - padding: 1rem;
; y* b' y& m: @6 C - text-transform: none;0 g' s) V; T( D, t
- -webkit-transition: all 0.5s ease;$ Y4 g$ N& t+ I9 O* b
- transition: all 0.5s ease;
0 L! C* `" R- D5 q+ @9 d1 d2 ~ - width: 160px;0 t4 s) y7 V& \; S3 M
- }
: [9 T! [, Q0 |: J - .tooltip-toggle::after {9 m3 R- i5 R: w# s* u' u) \2 J0 ?
- position: absolute;
. t7 @$ I% m6 t - top: -12px;8 o4 V$ Q" u5 H
- left: 9px;
" b% S8 R' J% i H0 k- P - border-left: 5px solid transparent;
8 \. T7 }; q: C4 N - border-right: 5px solid transparent;8 T" T# m; V j5 I* l X! d
- border-top: 5px solid #2B222A;
" X# U# a" E' [; j- _. e- [ `/ E - content: " ";
0 E: b1 y9 }/ c8 I - font-size: 0;, w/ c- G# v' U8 a
- line-height: 0;
9 X2 v: E ?& v9 s1 J - margin-left: -5px;
! p, w X: n4 V- M! I; T- z) ^ - width: 0;
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. w4 b5 {1 F7 c+ d/ r - .tooltip-toggle::before, .tooltip-toggle::after {3 ?7 F( G: [( _4 J) `. R
- color: #efefef;& N& N5 H6 C3 q$ ]6 q
- font-family: monospace;* D0 l$ ?! U: ?( Y. z
- font-size: 16px;; S* B) F: f2 q
- opacity: 0;
0 [. w! M, v: q. I - pointer-events: none;
, z2 b/ t2 O) }9 d5 C; x# o - text-align: center;; T. t a n0 G3 r, M
- }
! u; w; B9 s$ n# v- m* q0 ` - .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {
# N, F5 }5 M+ [/ J4 k - opacity: 1;
& f' z5 C) g" v0 A - -webkit-transition: all 0.75s ease;1 y+ J6 \$ G, [
- transition: all 0.75s ease; C5 B+ _2 J2 ~8 f$ C
- }
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">" S7 Y, L g8 F' J/ W8 l* O
- <ul class="nav-items">
% b/ n7 R* Q# s K - <!-- Navigation -->, Z Z2 p# `) M2 J1 |. a) I
- <li class="nav-item"><a href="#">Home</a></li>$ i4 |. {. {/ z: O* P, x! J
- <li class="nav-item"><a href="#">About</a></li>* B n+ f8 O4 q
- <li class="nav-item"><a href="#">Contact</a></li>
1 c0 I) R( b' W& D+ e. u( u% u+ g - <!-- Dropdown menu -->3 f& ~6 ]5 J" G
- <li class="nav-item nav-item-dropdown">
7 P: ^1 l" `: L% q& e - <a class="dropdown-trigger" href="#">Settings</a>
2 Q; N: ~" }4 s( m% d: | - <ul class="dropdown-menu">$ T" \) x! K4 y6 z0 C/ T6 d8 d" a! I% o
- <li class="dropdown-menu-item">8 R7 {1 \. R7 s# m) ^7 z% H2 J$ `
- <a href="#">Dropdown Item 1</a>3 [) A( \) ~) X1 Q
- </li>+ l0 e+ [0 ?2 H% ~5 c
- <li class="dropdown-menu-item">
1 e! G! N# y) c2 k) M$ v - <a href="#">Dropdown Item 2</a>9 B" _& W2 H/ R0 `4 b5 M8 V4 L Z
- </li>
1 x% m8 s8 T5 ]3 r$ S$ B - <li class="dropdown-menu-item">
, q+ m% R/ Q9 ^* Z5 a2 d" k - <a href="#">Dropdown Item 3</a>4 k! {0 H0 x Y/ x/ Z
- </li>0 v Y% \0 L9 Y: c- C
- </ul>/ M B" V; ]5 @. |' ?# h2 h
- </li>
! T0 g3 j0 N8 V3 \ - </ul>- L; J. k+ B9 J
- </div>
复制代码对应的CSS代码如下: - .nav-container {
) ]# n: ?8 U1 p/ n5 Y - background-color: #fff;
! A* |3 t7 A W/ D8 }0 S0 e - border-radius: 4px;
- r/ N4 Z r- p0 [9 Z8 \ - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);7 H" H3 T0 f u6 z8 D( t
- padding: 1em;, Z0 v! i {+ D. \) W9 I
- border: 1px solid #eee;6 E2 B5 V- {* E7 [0 R9 p
- display: block;( n: ^ x; {! h F2 ?" E3 }
- max-width: 400px;
; O& O6 q) S1 |, ^0 Z) Z3 h4 X0 W - margin: 0 auto;
* u4 U% x/ ?2 k& D+ A$ i i - text-align: center;
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- ul,( B5 D) N( Y9 l# V
- li {
2 v. l& z8 l `$ I0 k# \ - list-style: none;8 L( o1 F9 r- ^1 P% Z5 C) v
- -webkit-padding-start: 0;! Y- {* D. }$ m3 N4 F8 M( F- ~' e
- }
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- text-decoration: none;
8 ~4 J/ z6 _+ x4 x2 m - color: #ED3E44;
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- .nav-item {
% g5 Q$ o* @2 l8 v - padding: 1em;
}5 W n1 D* {8 `: J2 B) O - display: inline;" l4 Z% f' q2 r, ~3 @% n
- }
% z, {8 N# r+ c: W: V8 [5 k4 a" h - .nav-item-dropdown {) @) D" P( H9 k7 s
- position: relative;
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$ H$ }( [" G9 p3 l" f4 B2 f - .nav-item-dropdown:hover > .dropdown-menu {; \( i( }# Y, }* D( f9 Q
- display: block;
+ @0 L" W& `$ ` ?) K9 h' _ - opacity: 1;9 S5 y! ^6 ]3 b4 n
- }/ Q4 z/ y' @! y; V _
- .dropdown-trigger {
% Q* v2 G( D N! ]+ T - position: relative; @$ _4 D. J1 W2 |
- }
$ E9 ]# j6 e& E3 n0 A - .dropdown-trigger:focus + .dropdown-menu {
' U2 u1 H7 d: f2 X* x - display: block;6 k5 a2 j/ R/ |* d/ N
- opacity: 1;
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: g0 X; Z5 R, {3 C4 z9 v: T2 V, ? - .dropdown-trigger::after {
8 x- D M5 s3 I: i3 ~ - content: "›";8 V; W' ]- [ q* {2 ~5 D; u
- position: absolute;5 z! e% N. o o* y! V
- color: #ED3E44;- { }# D" A# o2 R6 z
- font-size: 24px;
% m; W3 w% }# m2 F0 } - font-weight: bold;8 ?8 o- A( Y G* i
- -webkit-transform: rotate(90deg);
: V* [* X. b K8 R - transform: rotate(90deg);% P% q2 r* l3 z0 D8 O+ ^; o
- top: -5px;1 X! O0 M9 r/ M Z A$ A
- right: -15px;
n; _7 B1 L; t - }
' P* y" y3 k F) m$ m - .dropdown-menu {+ j2 Z5 y0 {4 ?$ ]1 W/ u5 m
- background-color: #ED3E44;' `0 q" i. R4 ?9 E
- display: inline-block;
4 t& E$ O. t. H7 } - text-align: right;
& x: X/ v* a% }2 v6 r" q' X - position: absolute;: H/ f) P, l; H4 C
- top: 2.5rem;
7 g' Y; ]- [: f5 _0 r: M - right: -10px;
: j) o& h/ b: i& j - display: none;
$ Y& g/ u$ j! K3 F: y - opacity: 0;
- q& y& _0 s0 T& e" J4 k! [9 b l - -webkit-transition: opacity 0.5s ease;1 Y9 ^% v$ @, \7 l4 z R
- transition: opacity 0.5s ease;
/ L. o% C ~3 v, L - width: 160px;4 z" d, w1 Q, v
- }7 _- P/ B6 N' {' A) I1 n2 y. Z$ B- |
- .dropdown-menu a {$ }+ @* G( L& r9 W7 B) B
- color: #fff;' A( Q$ r6 }% l/ B3 ~9 {
- }
, n6 J: r F- [! w- X7 m9 V8 I - .dropdown-menu-item {% k8 `) I# C2 ^2 o: o: C
- cursor: pointer;6 t+ H f0 Q2 }0 G6 \
- padding: 1em;
5 U/ a: K1 z. H( J0 r+ t - text-align: center;, R& h2 `* Q: ~: p
- }* U' N" R9 e5 r; Z% o
- .dropdown-menu-item:hover {- c! Y- ]3 f- ?. G1 E- D2 [
- background-color: #eb272d;" J c f- Y) X, _( z
- }
复制代码 ( I" [) r% }( L B; k' P
可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">
+ w& i+ Q4 R& L+ J - <!-- Checkbox toggle -->
4 C& P2 K2 B7 Y2 l: T. U - <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">( s) h% L; i8 J9 a% y8 Q
- <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>2 n% d* T' m$ E# }8 F
- <!-- Content to toggle from www.mfbuluo.com-->+ i+ S8 z) i1 v1 I% k3 S( ^
- <div role="toggle" class="toggle-content">6 f2 z) d C' V
- BA-NA-NA-NA!
% T4 W6 \ f& Y0 V8 P1 O: Z7 Y - </div>% a/ o: w+ W& [5 K" ]! ?. p
- </div>
复制代码CSS代码内容如下: - .toggle {/ \& R" ]. g# Z1 x1 ~5 W
- margin: 0 auto;
3 O- c# w, R+ o+ L; K8 ` - max-width: 400px;! N/ g! G+ c& |7 K3 Z# N
- }
9 d9 D' v) M0 Z+ e% e" [9 Z - .toggle-label {
K& |$ ~% p+ ?1 U# {$ |6 l' Z4 x - font-size: 16px;: O8 b8 M6 D6 \( w; [/ j* Z6 M
- background: #fff;
2 }! `* y c; d# m; k0 p - padding: 1em;0 X y# L) u; P. f; Z
- cursor: pointer;: ]+ P4 V) ?9 ?7 j3 U) R, r
- display: block;3 f+ {. C. C; g9 a O. a
- margin: 0 auto 1em;! I' v0 ?1 l6 B- [; F. x' n+ @3 s! @
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);8 k6 z) e- O! _0 G4 g) a' g) ^5 |
- border-radius: 4px;! D4 z) T% L: ^" c- ^& |. M. Q) g4 P
- }1 g3 ]* m* m- }/ m: e
- .toggle-label:after {( V2 k Y* @* _( I6 x
- color: #ED3E44;
+ N4 `% n2 X4 R6 h3 }+ E$ X% d1 M - content: "+";& z* \8 I& ]9 q5 R
- float: right;
; p& m& L8 b5 O# j* M - font-weight: bold;& X5 f8 u# m& G
- }
" A V/ ^& |2 f, s5 l# t, }. F# [ - .toggle-content {
; K+ |$ p) J9 |6 X! p - color: #B0B3C2;6 X6 z# G) P1 Q! i, g1 d! C; J
- font-family: monospace;$ o) I% w8 x, O- A2 O3 a" j
- font-size: 16px;
# l3 P3 |) _0 j* O, \7 w# [ - margin-bottom: 1.5em;6 s$ [% V8 J& D
- padding: 1em;
0 U4 K* B/ g4 u5 p - }+ E: W$ U) [- q* S! B, R/ _% h$ W
- .toggle-input {
% F2 \6 o' ^5 q! f - display: none;
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- .toggle-input:not(checked) ~ .toggle-content {0 y; T: x; w+ w, W- i; A
- display: none;
/ i3 D, E1 a! s% O - }7 d5 m8 k& `( Z* X0 m- F- M
- .toggle-input:checked ~ .toggle-content {
! z z4 d$ q1 ~4 n9 w - display: block;
: L s6 R/ t, N/ X2 m - }3 J9 h. z: P: @( g( u! a. H0 h
- .toggle-input:checked ~ .toggle-label:after {
1 y5 F0 B! A* S! _5 x% u( ~ - content: "-";/ R5 W# s# {$ G4 }1 L
- }
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