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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!">' [$ c8 \6 i! E
- Label for your tooltip
9 G, ]' S+ W8 \' N7 s) U8 }% C - </span>
复制代码CSS代码: - .tooltip-toggle {
& z) R, C' \( m) Y1 {5 U# h - cursor: pointer;$ D; T* P. d: ^ x
- position: relative;) Y7 t5 A9 g- u7 @7 F' y
- }
+ F5 b6 {* \* E$ R* x3 [7 J - .tooltip-toggle svg {; N. F& t6 P0 C: Y' d( A
- height: 18px;. {8 X/ q# z8 w# s
- width: 18px;
0 A) r8 |6 e3 y1 f$ T; N - padding-right: 0.5rem;# }7 [# s- e7 z. j
- }5 ]$ F/ F* L$ d( Q' c
- .tooltip-toggle::before {
. z, o& m, V! P& [" `: q - position: absolute;
' x8 F% y& g6 A - top: -80px;
! a2 x0 U( G4 W+ p0 O* k - left: -80px;
' D( ^# m( U$ {1 P! ` - background-color: #2B222A;$ ~( }1 w( d" l
- border-radius: 5px;
5 H% t) K B3 j( q - color: #fff;
6 {- E& b4 B9 W6 L - content: attr(data-tooltip);
, a3 S+ R* P/ J* u - padding: 1rem;' r/ Q/ J1 u0 K2 H
- text-transform: none;
6 `. o- E6 `' q) b - -webkit-transition: all 0.5s ease;0 q( Y9 W5 r, F, V0 Q
- transition: all 0.5s ease;
$ g" m- \& o. F6 M8 x) G- a - width: 160px;0 V& s7 I- ` l) g$ C- P
- }, }2 w+ o m3 B9 b+ [% k
- .tooltip-toggle::after {1 w4 V1 ~( G* N' X
- position: absolute;
4 X4 o y# `7 D5 I1 L# W- E* z4 k( V - top: -12px;! f3 c- f2 k: f `
- left: 9px;
7 C, N9 E* w' Y" H% j - border-left: 5px solid transparent;) ^# K7 Q, H# r6 G. j
- border-right: 5px solid transparent;# I" Q7 O3 m. ~( ~
- border-top: 5px solid #2B222A;
- w3 C& x0 @/ S' L - content: " ";
`6 V: t- s' g6 F9 f& |+ u - font-size: 0;7 b; Y" b Z) p _9 k
- line-height: 0;. s- j% t1 Z+ t$ k1 A7 I1 j
- margin-left: -5px;
0 P* }4 b) j/ f - width: 0;
+ ^+ L/ \. k g - }
|/ [& o% Z+ H5 b/ @/ ] - .tooltip-toggle::before, .tooltip-toggle::after {1 ?! t3 R, ]! o5 V
- color: #efefef;
. g5 ^( j% g8 g& C/ [ - font-family: monospace;
. ]+ ?4 I% E9 B5 p, n - font-size: 16px;
: S1 J" o+ W5 X' [/ z - opacity: 0;5 V+ m9 Y0 n$ s2 k! m! |6 p; `* b
- pointer-events: none;% q3 q; r* [* [, D
- text-align: center;
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* T2 k V0 j1 R" j e - .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {
! Y/ |# s) V2 Y* h& | - opacity: 1;
! e, x6 e( e7 j( j; N - -webkit-transition: all 0.75s ease;
) c/ r+ k6 w2 A1 Q - transition: all 0.75s ease;
! p! y+ C2 e" L7 Q+ Y. X - }
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">$ S+ [8 N) ?; w: F
- <ul class="nav-items">
3 @' ~. O/ C0 `. ^9 c - <!-- Navigation -->
; a2 i7 h$ P7 e ~ - <li class="nav-item"><a href="#">Home</a></li>
( T( s7 q0 ]1 C0 Q - <li class="nav-item"><a href="#">About</a></li>+ i( ~9 E% U1 @
- <li class="nav-item"><a href="#">Contact</a></li>. Y: q W, z* O) \+ L, w5 j8 m2 _
- <!-- Dropdown menu -->4 c V) ?8 k' y
- <li class="nav-item nav-item-dropdown">
$ m) z& _% w( v3 i/ a! e1 Q- K - <a class="dropdown-trigger" href="#">Settings</a>
' _2 u) H8 F) \% | - <ul class="dropdown-menu">
; l) K4 o, l" K0 p - <li class="dropdown-menu-item">
, R0 i0 S: E/ r/ e - <a href="#">Dropdown Item 1</a>: W; l) d/ c& B; \, d" u% U" o3 F
- </li>2 h3 }# s0 O5 q2 s' x
- <li class="dropdown-menu-item">7 ?% C/ J7 m @: s4 r. R7 z* m# Y0 k
- <a href="#">Dropdown Item 2</a>
5 r7 K# [* l3 n. y0 T$ ] - </li>
. C0 T7 J8 T" {9 {2 S - <li class="dropdown-menu-item"> K7 U1 ^$ q$ f6 u6 C! @
- <a href="#">Dropdown Item 3</a>9 J2 k0 u7 G( r+ G) R& e
- </li>( V+ ?( c5 L2 |& A0 f1 T _
- </ul>- P+ L$ @! b2 L
- </li>& ] f* \: n% N% x
- </ul>
+ K% f. ^) U) N - </div>
复制代码对应的CSS代码如下: - .nav-container {
g/ R4 J' p& y8 e - background-color: #fff;/ W6 |7 w5 X: v. w$ } B3 a# [
- border-radius: 4px;
9 b3 X# \" A: p4 d! | - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
4 ]! J+ k8 Z6 r- [* ^) V - padding: 1em;% H# V) Y& a, K/ m# O3 r+ [
- border: 1px solid #eee;
~# Q6 U+ I6 F$ r! e - display: block;$ q |: R6 f6 g3 D n) i
- max-width: 400px;
# d7 n" ]2 N* {/ q4 b* p. s - margin: 0 auto;7 ?; U2 o( ^; S0 g+ d2 I% {4 H
- text-align: center;
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- ul,; f0 ]* E3 H' u4 n1 G$ n
- li {
* }7 J) D- u4 N4 z4 I4 A - list-style: none;- I) y8 ^# W2 Z/ q
- -webkit-padding-start: 0;
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3 \, s# Q" r( L4 w& d3 }5 ~) _/ c+ D - a {
: F' l) p5 F N6 s) A+ K - text-decoration: none;
, [9 D; r3 |% U {/ C - color: #ED3E44;8 h4 J( b4 u+ W$ v- T
- }
~: @! u6 S/ ^" U, W - .nav-item {
( C$ q& i% g0 t$ \ - padding: 1em;
5 l* |, V7 o4 S" L: I - display: inline;
# l& e' z7 O) G7 y% ^ - }
0 U2 R$ M8 Y. U4 O) X) w - .nav-item-dropdown {. g" f- @4 F! F& i2 M% b+ M; S
- position: relative;
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, n6 V9 b7 e8 f" I1 S - .nav-item-dropdown:hover > .dropdown-menu {( _/ {: c3 ^/ f, `" n# j
- display: block;/ F4 F0 P9 g8 d6 Y& i
- opacity: 1;3 ], K7 ]6 }- N) k: h1 D
- }
! J6 L. M4 [* U, b; Z% y - .dropdown-trigger {" u: R' c6 L9 g# w: J; Y2 Z( Z- n
- position: relative;
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- .dropdown-trigger:focus + .dropdown-menu {: B; r8 U& Q1 U+ Q @0 P
- display: block;
/ y% w/ N; I- {- h - opacity: 1;
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- .dropdown-trigger::after {
) ]4 p8 _5 `9 q/ }# u/ ^5 n - content: "›";1 y. L o, C/ M( E
- position: absolute;$ L3 p n' w! ]* c
- color: #ED3E44;. r- ^4 @0 v7 ^) j. t# F5 |" F c: e
- font-size: 24px;
. v3 }4 c8 T* U4 N+ o4 H& j - font-weight: bold;
$ g4 D$ J; g, d* H& X( ? - -webkit-transform: rotate(90deg); k8 \) W4 N. m: t& z X
- transform: rotate(90deg);8 x: m: R/ F$ `; N; Y2 L
- top: -5px;; Z" c/ R* O& l Y( V
- right: -15px;
- B% p. }1 P0 [& O' s# s - }
' t. j) r1 |$ ]: [' d7 g - .dropdown-menu {
+ a; l O7 z- w% N - background-color: #ED3E44;5 d9 L0 ^) a! C
- display: inline-block;
; k9 z( z! H* \' z+ B: H% z5 P2 M - text-align: right;, r% {! M- h: x
- position: absolute;
3 O) o) s3 ~) b9 ? - top: 2.5rem;1 o7 t% g$ k5 t/ H$ Y" J8 |
- right: -10px;) Q# s, A( s. r1 E% ~, [; N
- display: none;
; c: ^/ K( `3 _" V' } - opacity: 0;
! O) _: v$ W1 R - -webkit-transition: opacity 0.5s ease;
8 Q: g# b. u, P4 r! R% q - transition: opacity 0.5s ease;4 h8 |' C! e, H2 [$ q
- width: 160px;4 h [& q4 z1 |; V, I; ^- J7 u
- }
( _- v* b- ~0 V$ V# y - .dropdown-menu a {
i4 s! F2 E+ j' S - color: #fff;
. o) a0 B. _% t$ O9 z5 e - }
/ D/ y4 k/ _5 }8 \% L1 T5 r- Y - .dropdown-menu-item {
" |4 B; T, e9 A4 B9 v8 l, X - cursor: pointer;5 I# ]7 z$ ^3 X7 C5 E+ N. X
- padding: 1em;
% F* C+ U/ a4 W# m8 D$ b - text-align: center;2 u$ U& z7 J) J. {+ w' b
- }( ~4 u: E1 G/ p7 \8 e# N, \
- .dropdown-menu-item:hover {
) V3 G3 A+ i& ]5 x3 _# G - background-color: #eb272d;# [* w, i# E/ ], m
- }
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4 r( |0 X$ n* ~- C2 y可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">/ g9 k$ o9 V: \/ I" Z, X5 t
- <!-- Checkbox toggle -->
5 S0 A }/ O8 B: I, R' D0 E - <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">
0 c0 A9 D7 c, r" C, }) _6 M3 k - <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>
# S) u, _8 |& N' ~- b5 k - <!-- Content to toggle from www.mfbuluo.com-->
) |( c. p: _3 E9 O, M - <div role="toggle" class="toggle-content">* @3 e- C0 q$ c' T
- BA-NA-NA-NA!
# j, ~1 _2 M; M7 A5 z2 ]! [, j, e - </div>% w5 S& n' q8 o2 T, K: [
- </div>
复制代码CSS代码内容如下: - .toggle {0 M; X3 w K+ s0 I+ N! Y! X
- margin: 0 auto;/ H$ p1 E8 ^) i) t
- max-width: 400px;
* e+ i& j- q7 t+ ?- {& j - }
) d7 J$ ~: Z# {( I& s - .toggle-label {2 T2 h% l9 I, O6 i9 [8 g+ _
- font-size: 16px;+ [5 d1 A) k8 {( X$ }. F8 }% D
- background: #fff;
8 K4 ^0 F( i6 a5 _/ k8 k( D/ g - padding: 1em;5 m: I8 e6 d; h; S+ }
- cursor: pointer;6 B/ | v+ |7 C
- display: block; E. T; Y/ E' ~) `. W* D
- margin: 0 auto 1em;
! @4 R8 t& y& W$ K - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
* U( S5 m: ]* ?- |5 B( U; G$ d - border-radius: 4px;
7 x1 O% e: { n" I0 U - }3 c- H6 W9 a, C! R& N( z
- .toggle-label:after {
/ C- `' y. H! x: N8 e - color: #ED3E44;
0 p, H, |2 A2 a - content: "+";
6 ]+ H$ I# E7 o' X7 O - float: right;
) J& k' o% M& B1 a1 R& `7 p4 j - font-weight: bold;
0 A& S8 o3 M- s r - }
- e L( d* ^0 g- s7 @ b6 [ - .toggle-content {
9 K" S& R, r& D2 T, }" P8 R& O - color: #B0B3C2;5 V% O4 J+ N0 u5 `3 r, x7 m4 Z
- font-family: monospace;
! g, _' e$ k1 G' w: x, p/ @ - font-size: 16px;# }& c- F; I" |% G" i0 Q# U! W3 N5 @
- margin-bottom: 1.5em;
2 p. j- k* r$ ^! h. N' X! z+ ]2 { - padding: 1em;6 A; f' U7 a0 U6 s$ V
- }
, q: }" X9 X$ t - .toggle-input {# D4 u. Z2 w/ V$ }$ z
- display: none;
$ o6 w& Q7 s% w' l n1 l0 W( l2 V& V$ Q - }
% H; l) p! M7 J" d( n - .toggle-input:not(checked) ~ .toggle-content {
$ b' [4 }# d/ Q p* u - display: none;% j* G2 O0 z; z% j
- }+ h7 y, ?* L6 H
- .toggle-input:checked ~ .toggle-content {: _4 F# h- h9 r
- display: block;# j' g/ U8 O' c2 f3 @' S
- }
0 w. f2 @1 L! P4 A. T - .toggle-input:checked ~ .toggle-label:after {9 z. e' e& t" I( M* k, c
- content: "-";
, w7 R- Z* w7 C3 N - }
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