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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!">; X) ^5 u2 w$ a" ]! ^" e- P4 B
- Label for your tooltip
: n0 z7 X/ Y# x - </span>
复制代码CSS代码: - .tooltip-toggle {/ A5 w% G+ K. q( g0 {8 Y" G9 U
- cursor: pointer;% Z8 f T$ H+ r2 }/ C$ G" i
- position: relative;* D( X K% W* d5 r' t
- }
0 c# M! X( u1 R - .tooltip-toggle svg {
0 A' a" b; U& S% M/ b - height: 18px;
: W- g4 S* }* ?4 Z/ ` - width: 18px;: i8 z4 H, ^, r6 e% M+ Y) O3 W
- padding-right: 0.5rem;% t/ l: y) I ]" h
- }
; A1 L, p2 V0 i( i2 g8 N - .tooltip-toggle::before {
7 l3 {6 N4 u2 y% y* d0 y - position: absolute;$ i. k1 h7 \9 }2 T( W
- top: -80px;
$ G: V9 D3 h O5 p( h - left: -80px;
+ U+ P- |- D5 A$ p. w' c" k - background-color: #2B222A;: ?% \4 v- u2 E
- border-radius: 5px;; L, ?) I Y# G7 C2 u
- color: #fff;
/ T# P0 A$ A; l1 K - content: attr(data-tooltip);
- E- e. o* S7 i+ G q* w5 W - padding: 1rem;
% ^( K. ^. x9 o" k# t( b, O! I - text-transform: none;
+ S4 X; c$ q, Z - -webkit-transition: all 0.5s ease;
9 `% x+ g+ @& B. B5 Y, q. q - transition: all 0.5s ease;
3 f/ i! N5 r Y3 m% Q - width: 160px;9 J3 |3 M4 u; G% P
- }$ O* w% X( F h# X3 o
- .tooltip-toggle::after {
6 i1 d4 c! D0 @( [7 S - position: absolute;
3 F1 L# Z/ u; k" U- Z e - top: -12px;
- Q9 y6 Y# Q' E5 ^& C8 y2 ^; B - left: 9px;
4 g' ]. d1 @( |0 X - border-left: 5px solid transparent;
+ v+ N( K1 p5 D" _ - border-right: 5px solid transparent;+ ]3 X, ?9 n( {. C: N
- border-top: 5px solid #2B222A;
4 d' ]; d1 b' ^( s- k2 \) A1 j0 i - content: " ";: Z# h6 l8 t$ J# U9 F e h" a
- font-size: 0;! Y+ S7 ^: T: N- a
- line-height: 0;5 h3 [9 Y- f5 j* a
- margin-left: -5px;+ ?( T* V9 X: X. S/ F1 P7 n8 d
- width: 0; i. `7 l& ?" D/ {5 |* x+ I
- } q. ^3 D% a8 y$ v) U# |2 o
- .tooltip-toggle::before, .tooltip-toggle::after {
. o! }% v- I* g; a - color: #efefef;
* U" ]+ N/ W2 g) Z - font-family: monospace;
, e- d# D! q4 T - font-size: 16px;6 e7 ?& i$ ~3 K, J4 |7 a
- opacity: 0;/ K: j6 U, u# g9 ^2 P) |- [, N
- pointer-events: none;& V q$ [) S, {" l" j% {0 [. y8 I
- text-align: center;
& l; v. K, b* d* u - }
8 i' U/ `$ f+ _# F) q - .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {' }5 [5 j0 z9 R: U# t% ?
- opacity: 1;
7 _: G1 [0 o" r( d/ ~. A - -webkit-transition: all 0.75s ease; s, n' u/ v8 K# H" A: m
- transition: all 0.75s ease;' ^2 N" t: C; c" [& t
- }
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">( c- d) }3 l1 f- ]; C" f3 @
- <ul class="nav-items">0 w5 P' B0 { N9 b8 F- F+ F5 f
- <!-- Navigation --># c! L4 F' \; m& }5 s0 Y$ R
- <li class="nav-item"><a href="#">Home</a></li>
3 I- D' @3 F+ h) p% ]5 ^ - <li class="nav-item"><a href="#">About</a></li>& Y2 E2 `) M6 F; l& s! n
- <li class="nav-item"><a href="#">Contact</a></li>& `; \6 L& a9 i
- <!-- Dropdown menu -->+ w- c2 B# n& t" c9 o8 H: X
- <li class="nav-item nav-item-dropdown">
$ p1 A) W6 a, B& I- t - <a class="dropdown-trigger" href="#">Settings</a>
& i. X5 ^5 \: x, o# W" a - <ul class="dropdown-menu">3 s! O7 ]- w" s7 v3 A j& F4 D% V
- <li class="dropdown-menu-item">
' A6 M2 A# e' p0 p- [ - <a href="#">Dropdown Item 1</a>
8 f% M( R6 H( K$ E7 ~ - </li>
8 x; w0 w/ R' r5 z9 X S - <li class="dropdown-menu-item">
) v; x8 g) }- V- z: H& n - <a href="#">Dropdown Item 2</a>
* N4 _- U$ Z) X. ^: D9 l0 h - </li>
]% \+ z! F& d! g6 F - <li class="dropdown-menu-item"># c9 Z' U# ]7 ^6 ~" l1 W- W2 w
- <a href="#">Dropdown Item 3</a>
6 L5 g9 `, _0 a) }# t+ C( Y$ n; `1 C - </li>
$ w$ ]3 M1 _6 w6 ?! v! \# W3 G' W - </ul>
. W$ O* y( r: P+ ]* n5 B$ V* `% t' r: b - </li>
0 ?0 L) {$ ]) o5 x; \, `* _% C& t - </ul>
[; k! Z- I3 O+ |6 _) ~ - </div>
复制代码对应的CSS代码如下: - .nav-container {" G# u0 Z3 d; n! N6 s8 m
- background-color: #fff;5 G/ R. u9 q/ \2 H
- border-radius: 4px;
% |' A( t& h( ?) c" }: b - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
- \: ~7 W* x |* Q e* ? [ - padding: 1em;
' Z& |' W3 d6 M* k" v; i - border: 1px solid #eee;# {8 A* X9 S; p( ^! D
- display: block;* v8 K' R( W. Y& f7 P, Z
- max-width: 400px;+ G/ |" `( P0 _9 d) P/ G% Q# D7 j# m
- margin: 0 auto;# T" m1 _; T* _3 M9 u/ Y
- text-align: center;
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- ul,! |( l3 q4 W( {' Z9 s
- li {2 { x- |* t) r3 y O
- list-style: none;$ |5 u6 } ?2 _0 i7 |6 \! x5 r
- -webkit-padding-start: 0;
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- a {
% `8 M& G* e }8 x* ? - text-decoration: none;
/ u( M% C# E$ c( O - color: #ED3E44;
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, y' | ]$ o3 g S- i - .nav-item {
5 A# p" A/ H4 X, R - padding: 1em;) t7 m% m$ G% V" i# d7 k2 p# P
- display: inline; \$ y" P6 [( w6 b
- }4 y+ @. [% _6 W8 _
- .nav-item-dropdown {$ I' j, |& e3 m. l4 x# D
- position: relative;
) ` U6 b, i& h" O& [ - }
g( O! Y O, e1 a - .nav-item-dropdown:hover > .dropdown-menu {
# |+ h: L3 m$ Y4 q3 \: D - display: block;0 m2 c+ l6 x; V# [& `# X
- opacity: 1;
! s: W+ H: z; [) g# L - }
- f4 x6 O/ A- A. ^; P+ D) L - .dropdown-trigger {0 ]2 q- @6 T7 l" u
- position: relative;% L# Q& \; c7 M# f
- }
0 j9 v* g; V* a9 v, R$ @3 Q - .dropdown-trigger:focus + .dropdown-menu {
' v7 A4 m: b `8 @ - display: block;& V$ \) T3 V3 k$ S# D7 `8 A
- opacity: 1;$ i5 b# o, _9 w! ~1 Y6 u8 p
- }
0 b' s3 p5 J/ d4 G6 c( _ - .dropdown-trigger::after {4 X. E' J% L5 V2 a
- content: "›";
6 e. d1 c' t# ]0 |/ ] - position: absolute;$ M/ s4 W# q% Y
- color: #ED3E44;
, v7 k9 b5 \' B7 R5 [5 T- H# l; \, m - font-size: 24px;( {* L9 z p% }: a' D9 K
- font-weight: bold;
2 e1 v u) k/ G( M! ]0 b% r1 v - -webkit-transform: rotate(90deg);5 Z6 R$ p7 \# _! Q' X/ {3 ]( q X# a
- transform: rotate(90deg);; Z5 h4 Q# E4 {# j3 o, M
- top: -5px;: G. D( k0 ]; l8 y) M# h
- right: -15px;
/ Q8 P, r5 s o/ J- y7 O: { - }
& w1 {; X) N& |8 m - .dropdown-menu {7 ]6 T v% E; Y2 N. r4 i- z
- background-color: #ED3E44;3 b3 U6 ~3 L( w, h; D2 v
- display: inline-block;
- \8 k, c: T& F9 Q - text-align: right;
( @9 ~- r% T5 @( e: P - position: absolute;) U& F: Z% u ?& \
- top: 2.5rem;
( F; C9 F" y& |' a - right: -10px;
" g% p. r% P. b - display: none;, S( ?: H) I" T2 @" F- q `! D, N
- opacity: 0;
' e/ U6 b% Y, z3 h5 P - -webkit-transition: opacity 0.5s ease;) Y; v- u0 ?1 N7 N- |* K
- transition: opacity 0.5s ease;
1 t" W' J1 A0 | - width: 160px;
* M7 j: I) u2 _/ t. ?, {- u - }9 \- B9 J1 p, Z- z4 S$ E- s% Q
- .dropdown-menu a {# m0 s T8 K5 L- y, b1 A* `/ j
- color: #fff;
) E9 D; S" a: t" X - }
4 C- M* `+ m7 C& z7 k: Z+ | - .dropdown-menu-item {
. Z5 h4 Q* L7 `+ u: v2 U( C - cursor: pointer;" q2 e5 h$ P8 S* k0 P
- padding: 1em;
* \' m9 K' o0 Y3 o8 B - text-align: center;
4 ]% Z' J) @' A% q) s8 | - }
. }. P0 i5 ~' s V9 l - .dropdown-menu-item:hover {
4 w0 l: [& v2 Y1 c - background-color: #eb272d;
3 x6 R1 |3 [4 [ - }
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可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">7 R# D! Z T w5 K* N: y; d
- <!-- Checkbox toggle -->$ ] J* a( B4 j2 F% i
- <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">
6 o( K. O5 u- l7 V m1 Y# b& f - <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>
0 H1 ?; U7 i0 k - <!-- Content to toggle from www.mfbuluo.com-->
6 p1 ~) e- T G1 m( U0 N5 X - <div role="toggle" class="toggle-content">) F- ~9 z+ c$ N) o! Z' C2 d
- BA-NA-NA-NA!( p) s# K. m0 }4 u! a5 h
- </div>
: t t; j) h* V- |8 q7 n% z - </div>
复制代码CSS代码内容如下: - .toggle {
% _$ p! P' ~* K" y - margin: 0 auto;
. b1 ]$ V' `6 U - max-width: 400px;
" V4 j t3 S+ w# i9 H+ ^ - }
8 F. d6 p! y1 o- r+ n+ p - .toggle-label {
# E. Q/ K7 V" B - font-size: 16px;
- A# u& W+ u; R4 t - background: #fff;
7 U/ ~4 n7 _3 z# Q; m$ m! F6 u3 e - padding: 1em;
+ w) J- ~! }4 R( R - cursor: pointer;! n" }# B/ \% c7 i3 ]& w3 M
- display: block;
$ @* T/ J3 \% F4 i. F - margin: 0 auto 1em;% J3 r# V- y' e6 ~" T- ?7 j/ U% u
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);6 D8 L/ X/ h- L
- border-radius: 4px;
, L: F# K/ w. j$ s+ |+ R: p3 t/ n - }
- T; @7 U7 ^; Q0 T/ Q$ G - .toggle-label:after {
! e) {8 @% J! x" \ - color: #ED3E44;% ^+ ~. V0 [8 L) F8 y! D( s
- content: "+";
6 |! d- X9 i9 x1 n - float: right;
. n% k0 n3 M& F9 _% y( [& N8 E" { - font-weight: bold;5 |8 _7 w3 h% b$ l9 Z& ^
- }8 v2 k+ Q1 j3 \
- .toggle-content {! D) x! C4 f; I0 z4 x; ]! I
- color: #B0B3C2;6 I* i/ {: V7 E; L/ y
- font-family: monospace;4 r/ u' v7 J3 p$ Q$ T; m3 U
- font-size: 16px;5 t$ O' ?: ]) A' O& }
- margin-bottom: 1.5em;+ P: {9 o- f' ~8 \7 j
- padding: 1em; s/ T9 d8 n2 X* ?- y- h
- }2 r5 `# N7 Y* Q2 k0 [7 v
- .toggle-input {7 f* O3 Q* [3 ~; J$ a/ N/ M9 s0 l, A; x
- display: none;
: G* K2 I+ `0 F8 F4 h6 T5 T: e! i1 w - }
6 `3 Q5 v8 D' J7 d2 c - .toggle-input:not(checked) ~ .toggle-content {0 h: C' T. e# {( v3 P) {0 i
- display: none;3 I$ d s/ w) n7 j) Y/ z/ d
- }
+ A! V7 S2 T: H, ?2 U - .toggle-input:checked ~ .toggle-content {
! k0 ~; x* K0 U+ D' c6 l' y - display: block;
# I' G0 m2 r7 q% \ - }6 |/ O: b: _# d) m% b1 W
- .toggle-input:checked ~ .toggle-label:after {& Z' Y1 e% E; K
- content: "-";
6 n, i; |9 |1 f+ J - }
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