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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!">- |) b/ p" n+ X# A1 P
- Label for your tooltip
: a9 r, O& A& | - </span>
复制代码CSS代码: - .tooltip-toggle {
$ r8 _& `9 d" v8 f# G. i - cursor: pointer; I. L& E0 h* H5 Z' |7 h: T
- position: relative; F$ S0 I% s! \8 C7 r% x* ^
- }3 n0 p- v' f' n" t9 v
- .tooltip-toggle svg {9 A/ l! k! a- E7 d2 X3 l
- height: 18px;% u: o9 Y) D. k+ m% q
- width: 18px;
$ c7 P* F# R l - padding-right: 0.5rem;0 u2 H3 B3 c# `/ }; }" A# ]
- }
9 W5 r3 n$ l' y9 v1 k1 j) c7 q - .tooltip-toggle::before {& q; u1 `- Z, ?- \( e6 v/ Y
- position: absolute;
, |9 b$ q% x: ^/ h' j% Q - top: -80px; k$ w% @2 u9 \) l* p w0 [& n: o
- left: -80px;
, j; {5 I1 [+ w8 s2 z3 v6 J! W# @ - background-color: #2B222A;$ z* ~. v) N+ h' u' L
- border-radius: 5px;
, a* Z9 q/ Y# i+ f1 O - color: #fff;0 c% Q8 I- z& H; [% J( i
- content: attr(data-tooltip);
: Z) U; R0 {1 x5 X6 e2 ] - padding: 1rem;. a: r% j5 t W% L
- text-transform: none;: H5 ?) r, f9 [4 a' X1 J
- -webkit-transition: all 0.5s ease;& m% T, ]5 H' V9 O- }
- transition: all 0.5s ease;
# S2 ~- G4 p' o9 D+ h2 a1 g5 c% M - width: 160px;
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- .tooltip-toggle::after {
: d3 f4 n) j- J - position: absolute;
8 s# o, Q# g& ^& u! y - top: -12px;) ?" v o- U8 T4 t) v6 s, Z7 d$ O
- left: 9px;
( H6 B& }; N, u; t! V - border-left: 5px solid transparent;, C8 J/ \; z! l: \: D
- border-right: 5px solid transparent;
: j2 R+ Z; [. @6 A3 G& V9 w - border-top: 5px solid #2B222A;- i. m" r6 o$ D3 j# R
- content: " ";1 O" S9 d4 |+ W( W: x- F3 s& E
- font-size: 0;
- `4 @/ z2 b \ - line-height: 0;
- k6 e4 D6 g* r8 r& @- g: Z - margin-left: -5px;$ A" G; V3 R- Z V1 ^, M! Y
- width: 0;$ L' v1 L- E9 y* u
- }
. m- w' K' _5 u% ~% M- n - .tooltip-toggle::before, .tooltip-toggle::after {
7 P4 x8 J: q( B& u - color: #efefef;8 s' l/ w) m7 Y
- font-family: monospace;
% f5 s5 N u$ U7 N4 b0 q" U+ L - font-size: 16px;! g3 K* z; K$ W+ d: c4 L2 s! w$ C
- opacity: 0;
- @* A8 a% n( ?$ t; W - pointer-events: none;( D" U( }- p0 P& c' d
- text-align: center;% J( F' a0 r. O6 R
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- .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {3 R) a3 ]# _3 v+ N5 W8 q1 @
- opacity: 1;- G+ B" H2 \0 X6 U0 J6 u$ T( T
- -webkit-transition: all 0.75s ease;. D. c" u+ J" h( `3 H5 F
- transition: all 0.75s ease;+ o3 \6 ?9 v$ |( b8 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">' ~+ F3 I! O( O1 t) g4 N5 z6 G
- <ul class="nav-items">; X% j. T/ ]9 q3 }0 X" Z
- <!-- Navigation -->
8 u3 Z+ `% _4 N3 I; |. [ - <li class="nav-item"><a href="#">Home</a></li>2 z" L/ E& r, q0 s; q+ C: q
- <li class="nav-item"><a href="#">About</a></li>
% ?2 g9 J6 ^2 W$ o7 v - <li class="nav-item"><a href="#">Contact</a></li>
# Z8 n9 ]( \# j# u - <!-- Dropdown menu -->
; F3 y* c( p2 a8 v8 c D0 Z6 ] - <li class="nav-item nav-item-dropdown">
+ v* E6 ^* U6 V6 x" T1 C: | - <a class="dropdown-trigger" href="#">Settings</a>: ^+ E6 U1 J6 y- U2 J! i' o
- <ul class="dropdown-menu">( _, {; a/ i, o, m
- <li class="dropdown-menu-item">
4 W/ R9 F* X6 T! r6 _9 t* ^+ ~ - <a href="#">Dropdown Item 1</a>) K0 ~0 _' ~ ~, _' w |6 Y0 Q
- </li>9 {! x+ b( p8 v* u
- <li class="dropdown-menu-item"> N5 d( k/ d/ A+ C
- <a href="#">Dropdown Item 2</a>1 h& B# m, L5 [/ ?$ n9 K* l# Z3 G
- </li>( H% r! S# K3 s6 B9 B. z
- <li class="dropdown-menu-item">! J0 M0 Y+ o9 q; P( T
- <a href="#">Dropdown Item 3</a>
G5 z: z# \' s" `" L - </li>
+ A/ O5 w* d; K' ? - </ul>% G$ p7 N4 h* k& w5 `* o7 {
- </li>
& e* n& n! L# {( ]. h' h" s - </ul>
: Q$ L9 x& e. C+ V5 p- g - </div>
复制代码对应的CSS代码如下: - .nav-container {
L9 P3 | }4 @- }2 i - background-color: #fff;4 a: O5 _) q9 p" F
- border-radius: 4px;9 J. T, p# m5 f+ n3 Y
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
" t, g: y8 y- y( L7 b1 ^) u* \- [ u - padding: 1em;5 h7 O1 Q- U2 n! j2 R
- border: 1px solid #eee; g6 E) m* N( R
- display: block;
5 d8 W, e- w1 I8 U' U - max-width: 400px;
* X+ U! S+ X: d4 \4 F - margin: 0 auto;
* ^: l. A! x4 `: e+ L( J: x; X. ? - text-align: center;
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- ul,
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- list-style: none;
' t; y& o; @5 t' p) B - -webkit-padding-start: 0; u/ ?; I h4 o9 B
- }; }* q7 h+ }! p+ p0 Z
- a {
1 d$ a, R" x" w2 c T* h: `% s4 u! J - text-decoration: none;. v( x/ ]2 y9 e# g
- color: #ED3E44;8 i" Q4 o( I) \$ D: M% w
- }6 J8 D5 H) M" {+ P% d0 O, ^
- .nav-item {0 E* Q( m& [# z, O- h/ J; C+ k% H8 A9 m2 Q
- padding: 1em;& C5 v; G6 }0 ^* n+ `+ y! e
- display: inline;' n t, \+ d9 X- v
- }
4 s* r* T. O! v- r - .nav-item-dropdown {; \) X7 R" s( m* `4 @
- position: relative;
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7 R- ~6 A, a' _) s - .nav-item-dropdown:hover > .dropdown-menu {4 U1 | C' v: Q% e, K* }1 ~
- display: block;
" Q& K4 E( o& c) q8 z - opacity: 1;1 t) q0 U/ I, _2 K
- }1 u% b/ M3 v; ]3 e: }
- .dropdown-trigger {% H, P- M' k8 l/ N0 U6 u2 E% G% V
- position: relative;
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- .dropdown-trigger:focus + .dropdown-menu {
, I" s5 i6 I+ o/ n, {6 { - display: block;- |8 N1 m4 a: @: h7 `& ?
- opacity: 1;
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* S& ?& K J7 z" l2 B* f - .dropdown-trigger::after {6 s# L Q/ C1 i1 T& e
- content: "›";
u; m) G* M( y' j5 s6 W% E, P0 v' [ - position: absolute;
$ g1 O4 O6 W8 z9 q - color: #ED3E44;- p0 ]: P$ `: x! P2 b; @' W9 X
- font-size: 24px;1 h. g# y) A6 p6 h4 R
- font-weight: bold;
2 n8 {+ {! I1 x0 {9 o - -webkit-transform: rotate(90deg);: y+ ^) }/ }2 U2 U' s+ a2 S
- transform: rotate(90deg);
: T. w. s! _' T( B1 u - top: -5px;
2 Y* ^; i" P, G o - right: -15px;2 S M( x7 m$ N
- }
& `. a6 {$ t: I' l' K - .dropdown-menu {6 F! i x+ F$ _* z
- background-color: #ED3E44;: j& Z& E9 U8 \* G7 \, ^
- display: inline-block;; O7 i$ K3 F2 \ F
- text-align: right;
$ @5 `7 [- H2 T - position: absolute;) V# _- F4 |* ?
- top: 2.5rem;: w+ s! r) @, i$ E- u" `- H& J
- right: -10px;
8 A7 i5 L3 ?$ O6 j5 m' u, b# R& d" a: F - display: none;
5 U6 J* G& F Z3 x7 a - opacity: 0;* L0 R4 Q; K; t, v. x
- -webkit-transition: opacity 0.5s ease;, w2 p( c" T0 W) F0 _& X4 T
- transition: opacity 0.5s ease;
2 D8 u. i o# l - width: 160px;
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- .dropdown-menu a {! Y1 v- w& ?& V& F6 L# J
- color: #fff;
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- .dropdown-menu-item {/ p) p0 h; r* z% H
- cursor: pointer;& N$ u2 ~( r8 U" X% u
- padding: 1em;
0 `6 l1 X: o, v - text-align: center;
f$ _ J- F3 K/ j$ Y7 A3 k - }
' Q- d ^2 L; K+ M - .dropdown-menu-item:hover {
5 E: Q7 a L* k4 x8 Z3 R. l" @ - background-color: #eb272d;) g; q& U4 F1 b
- }
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% u) @' a$ Y# R可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">* X- U/ @6 p1 D. E8 C
- <!-- Checkbox toggle -->% K7 Z: T: w& V
- <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">
O( g7 r$ w! `5 ~" { - <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>
e* a8 S3 H7 Y! R, @; F# N' b - <!-- Content to toggle from www.mfbuluo.com-->) b s; D1 I3 o* M, s
- <div role="toggle" class="toggle-content">; y) z7 Z. A+ }2 e. H E0 H
- BA-NA-NA-NA!
& m: W! b4 E. e1 N A! r& f8 U - </div>
6 S, ^2 Q" _% U/ u8 i - </div>
复制代码CSS代码内容如下: - .toggle {
2 _* _$ @; s+ ^5 V - margin: 0 auto;
+ y2 I5 p2 v4 E- p - max-width: 400px;
) }$ Y5 i+ ]9 U# y. N+ | - }
+ D! ~: Q+ X0 Q* A2 _, m0 C$ B6 ? - .toggle-label {
9 m$ `8 F. G1 G7 [. c W - font-size: 16px;" t" `$ v9 g6 f# Q! }; b
- background: #fff;
1 ^% ]* h3 J! E8 ` - padding: 1em;
* j/ A& ~$ O, Z; E" f - cursor: pointer;( ~7 }. k" y' T0 u+ w
- display: block;
+ l w& o2 b" j4 n9 g - margin: 0 auto 1em;
1 A/ c! h( \$ ~' d1 C' ?2 i - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);1 A# k9 J* G; {! _& A0 I
- border-radius: 4px;/ m6 J( d9 [: n; q
- }( r* `2 Y7 b" V3 `) ^' V4 X
- .toggle-label:after {( F* L! [- g! v8 x1 s9 D4 s! r
- color: #ED3E44;
6 p; q# O% M/ Q - content: "+";
6 Q( R* x( {# {$ C3 Q7 K - float: right;
: y; G& C# S" N. a" `4 a; d# F - font-weight: bold;
: v9 B' Y/ _% G h* j9 K3 \; p - }( O+ a( g5 M( W0 w
- .toggle-content {
/ c! H+ h+ B. l - color: #B0B3C2;7 V3 @" \9 N1 {5 v+ g+ x! O, J B
- font-family: monospace;5 ^2 s) M* P0 n& Z( [+ i
- font-size: 16px;
' j4 m8 k8 V b! [' Y, s" G - margin-bottom: 1.5em;* a& d0 g* ^( a4 }6 r. U
- padding: 1em;
^6 F. E+ y1 l4 }5 }* U - }7 a7 u; @* q- P$ U
- .toggle-input {! ^; o; [! i, w+ \' |
- display: none;( `1 J0 ?, A% H! P
- }
+ y, O1 W8 h4 J2 r - .toggle-input:not(checked) ~ .toggle-content {( ?3 M6 ^; y4 e |# X- K# _3 |
- display: none;
, N) ~ `) I% j8 O - }" ]) u4 s, x7 q6 R2 W6 k2 I
- .toggle-input:checked ~ .toggle-content {( k: u3 H* x# i
- display: block;
7 A1 n4 |, m- a7 ^9 a: [ - }2 O/ j# D% W- ?, E- e- a C9 ~- N
- .toggle-input:checked ~ .toggle-label:after {* N9 U: q4 {: n# k9 ~
- content: "-";) {0 G& v2 O9 b! H3 P
- }
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