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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!">2 ?# z3 G! H' }5 A: u
- Label for your tooltip2 ~) l7 T. x8 N8 h" {
- </span>
复制代码CSS代码: - .tooltip-toggle {
) H y. O% J$ b: C0 u3 g& c6 N/ | - cursor: pointer;$ b% ]5 X( @& D
- position: relative;
1 E* a( y" O% _& Z" o - }
" C* T; @7 W8 B* S* a0 o" S0 z - .tooltip-toggle svg {: j8 e' }4 d) D: ]
- height: 18px;
% W c( p: G( Y% M; R8 r8 U - width: 18px;7 H, V% c9 V" v/ w2 [
- padding-right: 0.5rem;
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- .tooltip-toggle::before {- |- d" ^: e8 Z+ r
- position: absolute;
Z: X! }! W5 j7 g - top: -80px;
+ i) m" P; ?6 V# n6 C+ c - left: -80px;
, S# M2 n" ]3 }. }# P2 y - background-color: #2B222A;
; V" a: h* S1 `( S5 y/ U' {- X - border-radius: 5px;
) C1 P u+ K, [1 k - color: #fff;7 Q& n0 G) O( j5 S3 g6 L% D
- content: attr(data-tooltip);
~ [6 ^7 n0 ~: r8 P w3 y - padding: 1rem;6 o) t# P0 S$ D& L
- text-transform: none;
6 M, e5 Q3 K7 ^9 F% w8 ] - -webkit-transition: all 0.5s ease;2 j/ O3 N4 f. K
- transition: all 0.5s ease;8 b* s* O8 `! B9 w$ k+ w7 U, x
- width: 160px;" h8 l3 _" P1 V" A, t
- }; P5 P! d4 ? V7 _
- .tooltip-toggle::after {: k& W Y: u9 _0 j) {" F
- position: absolute;
& ^$ O: @$ t5 `+ E- t8 a - top: -12px;
$ |: b, p) |' }% s0 P% A - left: 9px;
$ ^; S* D, [8 x7 | - border-left: 5px solid transparent;/ U! R0 f- G# k% k4 k
- border-right: 5px solid transparent;0 |) L3 ? J( O
- border-top: 5px solid #2B222A;
3 b4 |0 ^2 ~: {$ M% a) m- F6 r - content: " ";! d- S5 x- d3 o6 y9 R3 R
- font-size: 0;: S* E- I3 Z [# f! ]( q# F
- line-height: 0;
: @8 M5 K( e' L - margin-left: -5px;
9 T4 j6 W/ A# s3 Z6 B - width: 0;* S# u7 Z- A8 M" \# x
- }
9 W/ Z$ {, p1 w5 q0 @ - .tooltip-toggle::before, .tooltip-toggle::after {; n+ ?( |+ ?/ t4 E; F; b/ ~
- color: #efefef;
6 H8 ]! y: j) I7 V4 W& |) t7 R - font-family: monospace;
: h1 g Q: U) a! G& @) g$ M0 m - font-size: 16px;
8 Y7 t. H* R6 E E0 j9 }- i - opacity: 0;
* @( h# }) X. c& x& T: W - pointer-events: none;
) H# \: G, r+ f1 E) Z4 ] - text-align: center;
$ `$ S& ^3 c1 h. n+ Q - }
5 r) I. G* t" U# Z - .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {4 f4 a; t2 y6 X2 J, c. P8 |% L
- opacity: 1;4 v/ _& r8 ]0 z- g2 ]; _7 |
- -webkit-transition: all 0.75s ease;
5 e# O2 D z0 z! y6 N' k. k; e - transition: all 0.75s ease;
+ n: E, \9 M; E$ o - }
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">, O% `4 `3 i' x& ?9 ?+ T
- <ul class="nav-items">1 `8 x: Z/ K- t7 K2 m
- <!-- Navigation -->
5 J- l/ `$ V( j - <li class="nav-item"><a href="#">Home</a></li>/ P @6 }5 m3 h
- <li class="nav-item"><a href="#">About</a></li>
1 a) N. @9 E& Z# ]: C6 V - <li class="nav-item"><a href="#">Contact</a></li>8 H% Q% ~4 n9 T$ v5 S$ o: i) k
- <!-- Dropdown menu --> ?& @3 S& x, _0 a
- <li class="nav-item nav-item-dropdown">
, x' _# v0 x; u1 J( r0 s - <a class="dropdown-trigger" href="#">Settings</a>* N' ^/ C+ A( m9 g. o# F0 G
- <ul class="dropdown-menu">( t( \, i b4 K. n8 B* ^
- <li class="dropdown-menu-item">0 D- z9 P7 U( E
- <a href="#">Dropdown Item 1</a>; {, u+ X6 U5 Y) ~6 J& i' R
- </li>
. a i8 L8 g7 V' z - <li class="dropdown-menu-item">' q6 v. @, o9 E/ {
- <a href="#">Dropdown Item 2</a>
: E$ N( W& g* t5 H - </li>2 d/ u' W; \! W
- <li class="dropdown-menu-item">
+ \0 b6 I9 ?5 l. U- j' G/ }: e - <a href="#">Dropdown Item 3</a>6 v9 E8 m; y3 C# @7 ^) @
- </li>/ M& R$ l4 o9 i0 E# L' j
- </ul>7 x' N4 ^; U! C0 A& s0 c
- </li>
$ ?" D' ~% l) B2 W# I - </ul>
6 }! u8 z1 F8 @. m7 z - </div>
复制代码对应的CSS代码如下: - .nav-container {
7 ]7 j1 I7 _) f/ q! h) Y7 J - background-color: #fff;( e" h6 f; v, p& G, ^
- border-radius: 4px;
, x. s6 b; A5 y' F2 d" _8 ^ - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35); O3 D0 I7 @: u) l8 h ]
- padding: 1em;
0 Q( T; M% _; D4 q$ y) o7 ^ - border: 1px solid #eee;
! E2 W! Q1 N/ z8 {5 U w9 k E - display: block;
6 z/ ^1 s/ m+ q U! d: K' ^5 y4 p - max-width: 400px;1 @& J- H! M q. p3 {
- margin: 0 auto;% {$ L$ _7 ~5 e: Z% H
- text-align: center;! ^+ h: b$ a) @& e9 _3 ?
- }
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6 W$ l$ i b, j1 g6 ]% E. n$ u4 S0 J" i - li {
) {$ {9 g3 I5 ~" w: {4 F8 H - list-style: none;
_6 m4 V9 }# ^/ Y: c - -webkit-padding-start: 0;
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- a { p3 ]- F" B4 N) G" ~
- text-decoration: none;
/ r( s- b/ W c' B/ A - color: #ED3E44;' b# C/ @. i# m2 p% o! U% h
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- .nav-item {3 f* \! L4 L7 B3 R; C. z2 h3 ]
- padding: 1em;
" O* I/ ~8 m1 T" N: C% o' |1 V2 D - display: inline;
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3 k5 E1 T/ C5 H+ ` - .nav-item-dropdown {
( Y! _+ t' R8 ]/ L) `0 K* j0 A0 M - position: relative;4 \6 C3 ]5 m! _* s1 o2 c' J( ^+ g
- }
' D7 K+ B5 M7 _5 }" \5 Z% T7 [" R1 u - .nav-item-dropdown:hover > .dropdown-menu {8 }/ N# T: O# i: G+ q7 ~3 k
- display: block;( D8 m% {) O' @# c5 r
- opacity: 1;7 ^3 ~: O( |1 \5 K! [) x
- }
7 W0 h& \3 T* r3 J - .dropdown-trigger {
. Q% _4 p3 x% f; x1 w. v- D* \1 o - position: relative;$ z4 b: u) O* G% G) ^
- }! _- A, ?! ^6 _9 I+ W7 \5 q6 b- X) x
- .dropdown-trigger:focus + .dropdown-menu {5 z/ h/ A. K. `8 D
- display: block;9 t0 I1 H' w' x' A. e$ t6 g
- opacity: 1;& N t8 w$ g; q( c: b' M# @! t5 h
- }! x7 m% z( e2 l4 v% M/ p
- .dropdown-trigger::after {
' ?% N8 M0 r6 p! O0 p1 ?/ I - content: "›"; r7 z& T& S0 M' ?0 {: g9 @8 g
- position: absolute;
4 m. |" V6 s0 q6 ^: l; |' f- o - color: #ED3E44;3 o& y& ^4 o f/ G7 M6 T
- font-size: 24px;8 j, z3 W' i$ \! C% u' W
- font-weight: bold;
; }" _6 i6 C, X6 c6 K - -webkit-transform: rotate(90deg);) `4 k9 L) R( c* [( f
- transform: rotate(90deg);8 `( F/ _' g: g8 }
- top: -5px;
. C* V _ h7 O9 ?$ @ A0 U - right: -15px;
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- .dropdown-menu {4 t5 ^7 x- {7 v! v' L- h; j: G3 W, s" f
- background-color: #ED3E44;8 W& e: ~$ e( N5 M
- display: inline-block;
# e/ O- z; |% n4 t( D - text-align: right;
0 {. E G; E) X - position: absolute;3 j; e: w' t' v. Q
- top: 2.5rem;4 q6 N6 J/ R% c0 e
- right: -10px;
8 h6 ]2 E0 ?( b - display: none;& n* i& h# {2 ]/ e. V0 L
- opacity: 0;
* p; s0 d: H, F: z - -webkit-transition: opacity 0.5s ease;, K& V4 A2 ]3 y, t6 z3 a4 {$ }# q
- transition: opacity 0.5s ease;2 C8 j S* \" W8 ~2 M
- width: 160px;9 m( h# C6 C+ g6 x, }' R9 i8 ]1 a
- }" s8 c+ X2 {3 E/ h
- .dropdown-menu a {
, a( B: g8 k: f - color: #fff;
) \" O* z) O$ o( r, w L" | - }/ w! [& A- t/ D& R; g9 g7 g
- .dropdown-menu-item {' f6 Y0 X3 Y3 B5 c$ x- y7 T( n9 c
- cursor: pointer;
" W& N" u& l+ j6 w3 h) x# z - padding: 1em;
0 q. f. D, X) P$ i# A9 g/ ]! S# u2 w - text-align: center;8 P1 b3 `# c( a5 l5 v# U! ?. i
- }; p- g' r9 z3 n! o: x
- .dropdown-menu-item:hover {
6 T: ?) h+ f6 H# w) c - background-color: #eb272d;
8 Q8 b# \2 }/ V3 O- K - }
复制代码
& z' m, p9 Z1 b# U5 c可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">) R e( k. U3 q1 y3 ?" Y! N; n
- <!-- Checkbox toggle -->
; f, Z4 S: o' \3 K: H& H. m3 f/ w, } - <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">
& o2 y% F5 e# S1 X p - <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>7 x- ]7 E" m3 K
- <!-- Content to toggle from www.mfbuluo.com-->+ @3 U3 Y5 g$ J* s; [
- <div role="toggle" class="toggle-content">
4 G5 G! q/ ?/ A - BA-NA-NA-NA!
& S6 s6 H+ q6 G3 b' {: M - </div>: h% X. ^3 B2 }' B8 v, d- k# d, O: W
- </div>
复制代码CSS代码内容如下: - .toggle {' D" A2 n# G) z) a" n
- margin: 0 auto;$ P6 L7 ^) h' E$ z! z" H" _
- max-width: 400px;/ d7 _$ b2 V; {4 m* x
- }" g/ N) @& Q1 \- n/ y
- .toggle-label {# o. K; q, g/ C( j; k
- font-size: 16px;
) `8 X' u0 Z( @* n! t* a - background: #fff;- P. a2 m; ?8 y9 Y: m K
- padding: 1em;
+ Y- o m8 p! l0 s - cursor: pointer;4 C5 V( T5 k) e2 V* P( X# E- C
- display: block;
9 a3 ] F. F% g0 D - margin: 0 auto 1em;
* V9 ?; \7 w( t( g - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
5 P- C/ p5 T. C0 `' A2 F - border-radius: 4px;% |' \8 p( u" t. a, L
- } ?2 C( v3 K: n# v# R4 p
- .toggle-label:after {
& p. N2 U1 f5 r - color: #ED3E44;; K$ {$ o( M, b3 L& n, W4 f4 Q6 W
- content: "+";
) g" [$ X; @1 b9 a4 u* i8 H - float: right;; f) |, C/ x9 `: P, _! @1 d5 `! E
- font-weight: bold;
) I, D1 [, F' X, y - }0 n" H4 d2 O- ^9 H! I3 j7 q
- .toggle-content {! y) x' q* F* @8 o- |
- color: #B0B3C2;
8 t& r3 U7 v: y9 d$ N6 n! F - font-family: monospace;
" h, u! ?, X) @9 c# Q+ M - font-size: 16px;, r& j" b; S/ R$ ~
- margin-bottom: 1.5em;
5 b! F ^" |# S, u7 c - padding: 1em;
3 }# {* T6 l5 ` m - }4 q" e8 x; h. o8 w8 S2 G7 r& N
- .toggle-input {
, t$ a4 k0 D: ~0 U, A9 k* m7 ~; c - display: none;
0 g+ I$ k3 s h& \ - }2 m4 E4 _- R7 N, m" [0 A
- .toggle-input:not(checked) ~ .toggle-content {3 [, M" I, |9 _
- display: none;
& C( o; r9 R. i - }
, l/ ]3 T# Z, S0 P( R" C! ^6 g - .toggle-input:checked ~ .toggle-content {
! y- b, R- i1 f: x- B X" [* N - display: block;
9 X0 f' N% B7 y: y0 Q1 s* d/ ] - }/ G* C& n6 T9 [9 v+ Z$ M
- .toggle-input:checked ~ .toggle-label:after {
7 @: v3 T& e. `9 D, W$ Y- m, o - content: "-";
. e' T: Y1 p* B. H* Z - }
复制代码 4 L# P" D7 ^! [, Y6 P: ^
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