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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!"># z# F& b' x9 G X7 a- S6 k
- Label for your tooltip0 F" E, @3 j: Y1 l
- </span>
复制代码CSS代码: - .tooltip-toggle {8 E2 K7 A0 J) ]
- cursor: pointer; W! p) B% R, O
- position: relative;
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- .tooltip-toggle svg {5 J$ j' q6 R# j% T! S
- height: 18px;( K9 l, N( W' r7 K( A
- width: 18px;
( t) G' E5 K" _) M- h. U' ] - padding-right: 0.5rem;
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- .tooltip-toggle::before {: I, @+ C X. K# [9 l! j; k/ _' M+ B
- position: absolute;
* v8 l ?- D: x D" H+ j+ N' ^ - top: -80px;
* O y' \+ d8 m- B" ^ - left: -80px;9 K: a5 \; c+ O- r9 j5 d H+ @
- background-color: #2B222A;7 A/ [$ l: B9 h% h
- border-radius: 5px; G* X, ?+ w4 X
- color: #fff;) p. @/ u$ V1 ?: h- Y. C' W
- content: attr(data-tooltip);* f* Z, y5 d' k& G4 g" H9 \
- padding: 1rem;& q2 G5 b. `6 J6 N$ K# d
- text-transform: none;
/ W' @$ O9 O$ J0 K0 U - -webkit-transition: all 0.5s ease;
; |0 }. b/ x- Q3 w7 d/ q( H, D - transition: all 0.5s ease;
6 C0 Q- e) G) @ u# r - width: 160px;
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( B# n% `- a' T, h( g: C$ D( g" R1 n - .tooltip-toggle::after {
5 a4 h9 o* u8 k% N - position: absolute;
) i& F6 P2 H5 N% ^, n1 {% ]5 I - top: -12px;
. m$ W" B$ Z" E6 T$ r$ P - left: 9px;
1 p0 Q; ^: s( r) B% u - border-left: 5px solid transparent;
6 m+ S# }# y$ o. m8 P& w: @ - border-right: 5px solid transparent;
8 t+ [: n* z. F3 R% }) K H/ A - border-top: 5px solid #2B222A;
6 C4 C6 i4 J8 z% V$ K: s - content: " ";
; T3 E8 s+ a$ K6 s - font-size: 0;( a% B4 @% U+ `' |
- line-height: 0;# O, W& G; o% I& H' \- m" t- s
- margin-left: -5px; s. w9 M' @) n, d$ i+ t
- width: 0;
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6 y4 a% A! P. O5 {# g& q - .tooltip-toggle::before, .tooltip-toggle::after {0 T: f( z. A* o4 m, B
- color: #efefef;+ u+ L0 k0 H4 I
- font-family: monospace;# z% ?* Z- i. z
- font-size: 16px;3 f4 \* s& A1 G
- opacity: 0;, _. S+ r7 W( G" u) y% O2 C
- pointer-events: none;
% l0 \- J9 A% U; q8 q - text-align: center;* x0 m0 H, Y1 ^
- }
0 ~! q5 K8 _1 E' d6 |- e% l4 b - .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {6 R/ q) V1 c7 N; a: e
- opacity: 1;- J ]0 n4 u# g% Z0 ~' s
- -webkit-transition: all 0.75s ease;
0 Q/ M( P$ k, {- r - transition: all 0.75s ease;
7 k% k7 y3 W! J8 Z% @' G) Q - }
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">
) r+ m( {! F0 K' a - <ul class="nav-items">; p+ `: u# J9 t2 ~+ i: Q
- <!-- Navigation -->
5 n0 S' h1 i& L1 O - <li class="nav-item"><a href="#">Home</a></li>
0 L, X) }3 J3 d A - <li class="nav-item"><a href="#">About</a></li>
; T& P% L3 _" x& J( o# ^ - <li class="nav-item"><a href="#">Contact</a></li>% |6 e' F9 k* o- A# @
- <!-- Dropdown menu -->
5 |/ J5 ~ Z- K2 H- X& D - <li class="nav-item nav-item-dropdown">' ~0 \' ^5 q! N8 s" |; [3 A
- <a class="dropdown-trigger" href="#">Settings</a> p2 O# u9 u8 C" _, Q. L% Q
- <ul class="dropdown-menu">
# D& n2 F! ~' j; v - <li class="dropdown-menu-item">4 E! e7 q6 s# K2 e/ r' y- S
- <a href="#">Dropdown Item 1</a>
5 j# H& q m$ v' T9 K0 i1 N( g - </li>
% w' u# z/ \$ I% m5 b$ p - <li class="dropdown-menu-item">: v- G$ ~ E y$ i
- <a href="#">Dropdown Item 2</a>
' [" [1 S# b3 \3 P9 N - </li>
6 O% l& Z' U! i( ~8 l - <li class="dropdown-menu-item">8 u4 \, T# x8 C& k( ~7 N
- <a href="#">Dropdown Item 3</a>
. V6 r j8 O: s( o - </li>6 C+ B1 I/ m0 \. ^7 S) b3 ]# O
- </ul>
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- </ul>, j* y$ `2 d5 `- r. f
- </div>
复制代码对应的CSS代码如下: - .nav-container {
7 r8 G% `8 h+ E - background-color: #fff;
1 A: t8 t. ^. E* j& Q4 D - border-radius: 4px;4 N7 l: ]9 H. A# w( w# y
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
( z+ }0 C6 k7 B - padding: 1em;
! v& @% n( X o- A0 n7 t# f: j: I, N - border: 1px solid #eee;+ c0 E7 }+ }# j! ~& @* ~
- display: block;
8 n! X" k% ` m( a2 r Z: u" L - max-width: 400px;( f9 u. ^) w, R% y' s
- margin: 0 auto;
: q! ? B8 j$ a+ Q+ P1 U - text-align: center;
) A5 K1 z7 {" T5 @0 | - }
' {) u3 n# A) l9 O - ul,
7 [3 [7 W/ Z; g - li {
( s& _! b/ ~$ C; c Q# z9 h - list-style: none;
7 T' u9 ~" X) j4 m - -webkit-padding-start: 0;9 m4 Y9 G$ F( t6 {
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- a {, ^7 e1 m4 Y2 x5 e9 X- L
- text-decoration: none;
! M( ^% ~3 p2 X) l% o1 i - color: #ED3E44;
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/ i3 S. g9 ^3 z9 W& x - .nav-item {
- n7 F% d- H, J2 I+ U) J! e0 l - padding: 1em;9 X/ ^2 b5 [8 }1 I2 E( `+ |( O
- display: inline;" L4 @% [/ S2 U1 I: M* Z( I, C4 e
- }( Z, p+ W, ~/ w4 u# |* }, ^
- .nav-item-dropdown {
; b( a- q3 L8 p4 C# } - position: relative;
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- .nav-item-dropdown:hover > .dropdown-menu {1 `# u5 p6 V( \; Q l6 L1 g
- display: block;" p3 T4 R. o1 o$ P& G5 d. r3 z9 d
- opacity: 1;+ y# \% K6 R! y. I
- }
# |( I! @$ ^6 o/ B$ C) [ - .dropdown-trigger {
8 R- {1 E' e; n" H; t. g3 L - position: relative;& ]- q7 U6 g2 }3 Y* L7 |
- }
& I, _9 K$ v% ^ k% X$ f - .dropdown-trigger:focus + .dropdown-menu {
- h( x5 a" u/ W! r- [& J5 S% J - display: block;+ y l9 C0 K9 G% x; n
- opacity: 1; M' X9 v! b+ W2 m
- }
6 `- q, K0 |2 x& L - .dropdown-trigger::after {
: `6 R) e5 j% D1 n) o1 B! a$ A* Z - content: "›";* S/ M. S1 F* d: G
- position: absolute;7 c6 V/ `" _& K. |/ p% o
- color: #ED3E44;8 {: g' V" F4 K4 N9 [8 i3 R
- font-size: 24px;; R% @% {: d4 T- D/ t" O
- font-weight: bold;
! R% m! l/ |: p - -webkit-transform: rotate(90deg);
5 a' o" p. c% c! O - transform: rotate(90deg);: z3 w& L7 L3 z W
- top: -5px;$ N. k: i7 T- k. C/ o
- right: -15px;4 ?7 K( _2 R( a' p! p( v1 v
- }
3 ~: h, O+ K7 I* o/ F - .dropdown-menu {
G2 [. B4 n+ G9 p* O9 x - background-color: #ED3E44;
8 L! C$ ~; I3 M% d' u - display: inline-block;
) |+ c( x: p, m' s - text-align: right;
8 e# v1 T/ b f$ E, E5 `# j - position: absolute;
& x5 I, _9 U4 T0 M/ h( o - top: 2.5rem;
) Q9 w) l/ @& R0 h - right: -10px;+ Y4 K# ^ l% ^7 P$ \
- display: none;1 O3 E' g! \. H( @
- opacity: 0;" V/ d6 Q; |1 x L0 h5 R
- -webkit-transition: opacity 0.5s ease;
. J: S7 K" K6 y. C4 O - transition: opacity 0.5s ease;6 f( p0 W8 t; \; U3 Q& Z) g
- width: 160px;
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- .dropdown-menu a {
4 D: F) W$ P6 M* A8 l - color: #fff;
' V2 P+ @1 q# j: _! C: e - }
* x; F, a, c' M1 S4 s - .dropdown-menu-item {
3 w9 @9 b* K% y8 O - cursor: pointer;
[- I* e, G& `9 t! U6 j( Y - padding: 1em;
+ r9 X: E; W3 ?+ J, u) | - text-align: center;- A) {/ H( M8 D% z3 S6 H/ m0 y( l8 o
- }5 x) z8 c+ U M) P9 W% E; n( J' r8 P0 {
- .dropdown-menu-item:hover {2 A! F/ {4 o; s; P) ~0 s
- background-color: #eb272d;
0 D2 w( t7 S# c" _5 f - }
复制代码
7 r* h* O: K, {" |6 s可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">
* e I: B% E0 f" O7 i' r& u - <!-- Checkbox toggle -->
- ~ P1 O5 C. g. g - <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">. n- T5 X! r6 I- V0 @
- <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>7 E9 p+ c! a) i+ \$ a& ?
- <!-- Content to toggle from www.mfbuluo.com-->
* E" ~# g* B* a6 p4 M - <div role="toggle" class="toggle-content">
' ?: x% d4 E* k2 \4 E& s5 ?+ H - BA-NA-NA-NA!$ k, k& j, O( L9 Z" A/ U
- </div>
" l( B4 c$ n; b - </div>
复制代码CSS代码内容如下: - .toggle {
) G, M4 B R% T/ \ - margin: 0 auto;) i0 {0 }* q" y! s% J- y
- max-width: 400px;2 y( O3 a; l" C! O; p
- }
8 S, z% Y5 c+ ?$ u: W& d# j4 [ - .toggle-label { B& j( N" j4 V) x& z# q: m
- font-size: 16px;; S# X Z, h# R% N/ f
- background: #fff;
1 W# j8 \( ~4 d4 K6 ~7 I: l - padding: 1em;" B9 Q0 B, w) ^) L* |3 \3 ` P2 b
- cursor: pointer;
7 P" e: @6 u, t" B7 y - display: block;8 i- ?+ w# ^7 h) Z; w
- margin: 0 auto 1em;, V5 U9 q7 u; Q$ \0 a( K
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
% r( G8 K% b2 S* T" d( B - border-radius: 4px;
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+ C0 E& j* j' F% a! Z& G8 y - .toggle-label:after {
' M& ^# \! t4 K. q8 a - color: #ED3E44;7 P3 s. T2 k. i/ u6 r3 e) Q3 E; r
- content: "+";
& d8 ~- J) M1 q- } H - float: right;
' u7 _( n5 c8 ~3 C% i% V - font-weight: bold;
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- .toggle-content {
& V0 f& Z4 _3 Q, u& \; D* B - color: #B0B3C2;
, }6 s: i/ D: S/ n, [+ O - font-family: monospace;! F1 M4 F& d4 z( X8 x' `
- font-size: 16px;5 M- v7 J# B# ]9 J
- margin-bottom: 1.5em;0 k) P5 D& i; L
- padding: 1em;) \: X2 X0 S1 F# {
- }1 ^! w- |/ N- m# \, Z+ t6 f; a/ r
- .toggle-input {% `% G0 X5 U6 B4 w8 o' W6 s
- display: none;9 W; T6 L, a* d/ S x4 O
- }3 z) D4 \+ K: w1 s( A
- .toggle-input:not(checked) ~ .toggle-content {1 I' c# R, I% t6 ?% Z& W- ] h8 \
- display: none;
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- \! H7 B9 a+ s - .toggle-input:checked ~ .toggle-content { W0 L, N) B; M+ L* _6 W" G
- display: block;: A, ]( O( ?( G# m6 y, b4 \: n, n6 _
- }5 z3 p7 k7 u9 B. t& k
- .toggle-input:checked ~ .toggle-label:after {
4 W! l( g( V' R: e# h - content: "-";
. ]! x r `, v% P& q" u - }
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