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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!">
; a9 ^1 g) S" z+ Q6 a; M - Label for your tooltip3 x8 |! a' V9 {; `
- </span>
复制代码CSS代码: - .tooltip-toggle {" n" B2 f5 I! I8 [+ G
- cursor: pointer;: T0 V( O) Q, q- x
- position: relative;
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- .tooltip-toggle svg {5 k4 L- ^4 u, s; a" o- M0 C! H
- height: 18px;) ^3 ]; i7 X* f! J8 @
- width: 18px;
; q, x2 k; o9 p2 I1 W _9 N - padding-right: 0.5rem;
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- .tooltip-toggle::before {+ A' N7 D1 o+ W$ }( t* s7 x @- i W
- position: absolute;
' Z( `5 m! n: B9 P( F( h - top: -80px;! |0 V0 Z! M0 l! z& ]% G
- left: -80px;
; \ K7 _5 H M# Q% T Y - background-color: #2B222A;# u$ @8 w+ `' P- t
- border-radius: 5px;
$ M9 T* P+ o0 F- x- J9 E - color: #fff;
$ A% x, m* y& l: Z9 u" O1 o3 i: e - content: attr(data-tooltip);0 C' l4 S' k6 C/ W" q
- padding: 1rem;
. i& K" v, C; f3 Q2 q& V0 b; n& x, d - text-transform: none;
( a* x4 S* R7 Y$ l - -webkit-transition: all 0.5s ease;: J) e; f" @+ @! i+ N% ~- G2 e
- transition: all 0.5s ease;
: G: u# ?8 Z5 {3 h# t- O - width: 160px;
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6 j& O, Z' t: v' S- E - .tooltip-toggle::after {8 f2 B" [% m/ d
- position: absolute;0 {& n3 h0 l* Z) I u
- top: -12px;" W- S( |; `8 w* u- d
- left: 9px;/ R1 W, h' p9 G& Q# B0 U5 g$ |
- border-left: 5px solid transparent;. b$ K& W+ X8 A% V
- border-right: 5px solid transparent;$ E" z, F; i0 O9 u2 W b5 u% s
- border-top: 5px solid #2B222A;. F$ V0 F, p9 g) f9 ?) f
- content: " ";" {! k: E; i0 V! @& ~
- font-size: 0;1 E; ~7 o1 F5 Q. x
- line-height: 0;
4 e! W8 E+ } R) Y# F8 i2 k" r - margin-left: -5px;
: E4 S- Q0 n8 p8 ^# V* D& E/ w' d - width: 0;7 j/ X8 E, o% [ C
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- .tooltip-toggle::before, .tooltip-toggle::after {% Q& i; N+ k0 N
- color: #efefef; P: ?: c; o7 y6 D) Q. _8 I$ i
- font-family: monospace;
# e- }1 j6 d2 W% _7 ` - font-size: 16px;) V4 l( e1 x: A: E
- opacity: 0;
# y! i1 a4 z* U. T, J- V; S - pointer-events: none;0 G; [4 E7 O9 n3 _6 U# b3 D
- text-align: center;
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4 M0 C/ P6 I- ] n' y* ~& H1 l' r - .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {; m! J7 \, s$ l4 [
- opacity: 1;- d- `8 B! P3 g- i" ~$ m
- -webkit-transition: all 0.75s ease;
# p/ X- y- X1 o2 a& ]5 C' Z - transition: all 0.75s ease;
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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">3 k% k9 B! ^0 _" U
- <ul class="nav-items">
; x, {' K' N! V3 }" z( l& C - <!-- Navigation -->6 D$ h# I" u' H% o/ {) q" J# K
- <li class="nav-item"><a href="#">Home</a></li>& t* v. r' Z# J% F6 d* }% }! R5 H
- <li class="nav-item"><a href="#">About</a></li>
# L: O" N" V7 ]4 U# N' i - <li class="nav-item"><a href="#">Contact</a></li>" D: _/ }5 D9 ?9 q- T5 }
- <!-- Dropdown menu -->; T* L* c0 I$ M( k, ^
- <li class="nav-item nav-item-dropdown">
- A& ^9 X* F/ ^/ H" F! D3 X; a - <a class="dropdown-trigger" href="#">Settings</a>! a2 C7 O; E2 E
- <ul class="dropdown-menu">
6 I/ L, _$ l8 C5 s/ D6 C; d - <li class="dropdown-menu-item">5 b! @5 B. {" s* M) H, t: I
- <a href="#">Dropdown Item 1</a>/ H9 z* Q }6 F8 Z1 P
- </li>
- E3 T5 e: z5 X1 I/ d+ \ - <li class="dropdown-menu-item">4 F% M. N) w0 Q4 @3 B/ f, }) e- X
- <a href="#">Dropdown Item 2</a>. R/ X' b0 Z: J8 x V
- </li>5 Q7 a/ s" H5 m, A; o: g
- <li class="dropdown-menu-item">4 C7 J' p o; S3 F" R7 M+ B& M4 w
- <a href="#">Dropdown Item 3</a>; @! Y# T/ l4 [* v
- </li>/ ]. K: L- {0 {6 @+ Z" J
- </ul>
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- </ul>
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复制代码对应的CSS代码如下: - .nav-container {$ k: D8 r1 O9 L/ y* _ i9 p
- background-color: #fff;
. h9 m7 l4 l- P9 f7 D9 q - border-radius: 4px;
8 Z) p2 j$ E" J& q7 h2 L - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
! _" K! U2 h. \6 ] - padding: 1em;
2 a/ ?& C* W- x9 v5 F/ [& a - border: 1px solid #eee;
* }6 X, ^- x$ C+ \( g6 b - display: block;0 u9 l" l) b: V% Q- K% F
- max-width: 400px;, B: r$ P; K, C& R
- margin: 0 auto;
% I7 u4 Y: f6 ?/ \8 l$ N. t - text-align: center;, {! X6 o% s' R3 r; l1 z W! \' e
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- ul,+ x$ R# }) k1 O. V2 ~8 C. e
- li {
" e! X( P( Q. w - list-style: none;
) c0 Z$ I0 x- A - -webkit-padding-start: 0;
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- a {2 A" G4 l8 a9 ?3 K
- text-decoration: none;
0 m! g6 c9 d- s! Q( U) V0 T! S - color: #ED3E44;& q5 ?' o' \& i! K( {- F
- }
+ K+ u! K7 O+ X6 T/ z' Y5 i" c - .nav-item {3 Z' Q* G4 r$ u8 Z. I4 }% G7 D. l
- padding: 1em;, Z. s. d3 a( }# U9 `# S
- display: inline;0 a7 Q' |2 s- K; C! t. S2 t
- }7 A1 h: h; `# j) G( c# \9 P
- .nav-item-dropdown {5 Y% D6 y. b$ C6 T+ G* s% @
- position: relative;/ }- R1 O; _# w7 [
- }
+ }+ X) }. q0 o! R5 j" o; L - .nav-item-dropdown:hover > .dropdown-menu {8 |5 a( ^8 ]+ k
- display: block;
# a5 q8 a" ]5 c6 |* p4 L- e& h - opacity: 1;
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$ Z; h6 `4 o6 q ]% E: G( F - .dropdown-trigger {
" A0 o& x! u8 h, ?9 P4 B! ]2 f - position: relative; l$ t r- ` _ ?. {
- }
l, O9 R k+ z( M - .dropdown-trigger:focus + .dropdown-menu {
5 A- T% R* f! t: |! Y& h& R - display: block;4 m+ ^4 O. M7 Z8 S/ l. f+ m
- opacity: 1;% u6 j N, f! _ p
- }
4 w. _5 j2 G5 \% V( c - .dropdown-trigger::after {
6 ?2 v/ F9 `9 L7 t$ V - content: "›";1 W" N7 u+ @& E5 c9 L
- position: absolute;6 l$ w( n6 w" ]* I5 p
- color: #ED3E44;" P- u8 I. o6 P2 ] S S- K
- font-size: 24px;2 q! g. z5 }" \0 [; e! u" z
- font-weight: bold;
$ W7 }2 e0 a! X% T1 D, i# P - -webkit-transform: rotate(90deg);, |/ U- R( p, ]
- transform: rotate(90deg);
/ u" o3 G( U$ O& s/ k& Y0 c6 k. @ - top: -5px;' ~4 ?, s8 B1 O9 E% u5 [+ O2 V
- right: -15px;' V- I; z0 F+ Y: J" O! x
- }; \ R. ?; _# T. I+ u
- .dropdown-menu {
' j1 s9 H* }6 ]$ s5 Z7 o8 [8 P - background-color: #ED3E44;
) {- V; u# Z! m. P- e$ N - display: inline-block;+ D5 A. X( ]; A7 o
- text-align: right;
- q2 l3 V- i7 c6 D& F6 R$ k( i - position: absolute;
; s0 n- r3 x: l1 K - top: 2.5rem;: F2 |) ]% K$ L' {! {; ^
- right: -10px;
; ^4 A4 D! K3 W; G. n - display: none;
; Z2 ^7 s; {9 l4 X8 J/ Q - opacity: 0;
$ S9 ^5 q0 E3 f% l+ e* Z T- | - -webkit-transition: opacity 0.5s ease;
4 U; b# z) b. f) G) C. P. Y - transition: opacity 0.5s ease;
- g* m d8 r5 N( |/ g- ^4 \+ I - width: 160px;
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- .dropdown-menu a {5 `- s) i; T. a# w, r$ u
- color: #fff;
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- .dropdown-menu-item {5 N/ j3 F% `( U& o* I7 m
- cursor: pointer;
* B: z! X: h! }! ^- }" O' |2 _7 _ - padding: 1em;
; Q4 t3 V3 s0 d3 ?5 h; x - text-align: center;- A6 o' t, U; K4 g" C! k( E+ ~) n
- }6 M. W4 n! p6 ^' w! f/ g7 A
- .dropdown-menu-item:hover {
% Z. T9 |: K+ J [4 m - background-color: #eb272d;
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复制代码
; Z- K. K1 J' K7 N可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: 复制代码 CSS代码内容如下: - .toggle {
! k3 @, f% T N1 Y- g) e - margin: 0 auto;: c5 r( _ v; ?8 }) I& F& ^3 s
- max-width: 400px;
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- .toggle-label {9 q# v# z R- N$ l0 c) e5 U
- font-size: 16px;
5 S( }4 j3 F8 g/ S, C( W/ k - background: #fff;- ]) \) y2 ]' F' o3 J, ^
- padding: 1em;
+ o \& ~# m, J' Q - cursor: pointer;7 t: |8 n8 K/ a$ s& Y2 E( ~, P
- display: block;
3 h. Z- D; W) ^9 N. p- \0 Z - margin: 0 auto 1em;
* C" m' V% A( N1 M6 Q) m" O - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35); V, m/ u+ _' p {3 r& D# G+ E
- border-radius: 4px;
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- .toggle-label:after {
/ [9 t: h* q" h* |' T/ W - color: #ED3E44;
' ?& x4 l k6 C8 v7 F+ a - content: "+";- n2 ~4 Y& Y. I
- float: right;
" @7 C3 g5 w t( I - font-weight: bold;) g* X! ]$ Z: F0 H- N/ Q, C
- }; s1 j/ B% w) j6 L; J
- .toggle-content {
) p) E( I* s! l% }% P - color: #B0B3C2;
- a+ `4 S* d' v$ o" H - font-family: monospace;
/ c6 W1 R, A4 B4 A# Z" E - font-size: 16px;" U2 G" h2 ?* a" ~+ u; L$ }0 n
- margin-bottom: 1.5em;
* ~4 |. ?# K& a) C0 S1 r - padding: 1em;( `4 O1 R9 k, m# p6 h) N1 n0 D
- }
$ c% s6 H: \- U. z" g: Q - .toggle-input {
) Q) a0 l- M& _) S# x* g - display: none;( o0 u9 q' ^% L4 V7 {5 m
- }* w/ H9 Z0 }/ i
- .toggle-input:not(checked) ~ .toggle-content {9 x: c0 o) K7 v
- display: none;
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- .toggle-input:checked ~ .toggle-content {: ^) e& o8 }: f5 G9 {1 g
- display: block;
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, G6 t) ^$ P8 d0 ` - .toggle-input:checked ~ .toggle-label:after {
, |+ F- \7 ]/ U" W6 u - content: "-";$ B/ H& ^( Q( Y8 u# a
- }
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