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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!">
& T- i' K) e9 Q7 j9 P - Label for your tooltip2 N3 G& S+ A2 m
- </span>
复制代码CSS代码: - .tooltip-toggle {% a% B7 |$ y. T, P( L
- cursor: pointer;3 J! J7 @# i% d
- position: relative;/ f+ x( v j- G2 K' j# n, t
- }3 e5 [4 @0 q1 ?; z( l& G9 P
- .tooltip-toggle svg {$ J8 _/ ^" v' O$ V! b* @% t" e
- height: 18px;
+ g2 ~( Z: t0 H, Z - width: 18px;
- R1 q- O+ g! u3 T3 m - padding-right: 0.5rem;
' m: B& E' M3 X7 C+ O4 H - }
5 A' k2 o4 h! ~4 T8 x0 L, ?# } - .tooltip-toggle::before {
$ i1 N" I: h, d r' L A( g9 a - position: absolute;
1 m+ G3 [% J Q0 j+ I - top: -80px;
+ x# |9 Z. g3 [( @$ E- h - left: -80px;' E: i8 b: d. J5 r* {
- background-color: #2B222A;
8 S* J& Y, f* }1 t# L6 Y, Z } - border-radius: 5px;9 T1 Y* U1 @" @% b0 w! j$ V) U5 Q
- color: #fff;
. I7 o- M( N0 l3 l - content: attr(data-tooltip);
8 g2 h9 F J: \3 d9 w - padding: 1rem;
! q: p0 e* K% q( |4 g" j2 k - text-transform: none;
7 P* W8 a5 j) m5 b+ G - -webkit-transition: all 0.5s ease;
1 Y7 f x0 ~0 s; y7 H - transition: all 0.5s ease;
: [; g% L6 ^) S( J! u - width: 160px;
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- .tooltip-toggle::after {' Q L7 p" d" J/ _! ~# F
- position: absolute;7 |* [+ P7 O! q- n
- top: -12px;
! N! C. h; r, C, y9 O4 F - left: 9px;8 i b8 h( n% j+ T& h- O/ l
- border-left: 5px solid transparent;% b3 Z/ j% {! u* U* K2 k5 |9 \9 E
- border-right: 5px solid transparent;' Q, J S1 a8 C2 f0 [( J/ H6 C$ B- O
- border-top: 5px solid #2B222A;
: J. e3 F+ ~2 I- N# `* F - content: " ";
. L2 D+ Q# V/ P - font-size: 0;
5 Z' l. B4 M% N( x9 ?1 f$ Y - line-height: 0;3 n0 v. T! z9 a8 l2 k6 }
- margin-left: -5px;# U5 ]7 K# _$ G' s |$ w3 P
- width: 0; W0 Y# E4 s( m! ?6 b2 Q1 m% d
- }; d1 H2 K) {6 O
- .tooltip-toggle::before, .tooltip-toggle::after {
: e8 L0 L! g6 F. ?- ~8 p A# S - color: #efefef;2 t2 m" F! r7 k$ v
- font-family: monospace;8 w K) F0 n4 @8 q
- font-size: 16px;
" c* E0 `1 S- T% ]/ H - opacity: 0;4 `; I# `( G3 b" I
- pointer-events: none;
# f7 Z* K& U: `7 j4 f - text-align: center;) F/ v Z4 ?8 k9 d
- }
# h: w# H- L- u4 g1 M - .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {! x5 O/ b6 j1 d' {; t$ x- N3 I
- opacity: 1;% u! H+ S; p$ D8 z) i
- -webkit-transition: all 0.75s ease;( M' r N: P- B1 w) O
- transition: all 0.75s ease;3 r; A( ]$ b- q; Q7 X, e
- }
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">
0 ?$ t. s8 m a: L& V0 h - <ul class="nav-items">2 i; r4 Q! V2 `5 e
- <!-- Navigation -->% j; P9 R* S; `8 V0 |; ?$ g
- <li class="nav-item"><a href="#">Home</a></li>* G1 {7 r4 O3 h9 U1 I
- <li class="nav-item"><a href="#">About</a></li>
) S- `+ z0 E! _- b8 M$ Q - <li class="nav-item"><a href="#">Contact</a></li>
: o. _6 ~5 a: \, b - <!-- Dropdown menu -->
- T0 b4 L/ f+ P' N7 x& e - <li class="nav-item nav-item-dropdown">$ K# a/ f9 ~) v' M
- <a class="dropdown-trigger" href="#">Settings</a>
" M' h$ \1 g) }( w8 {- u$ u - <ul class="dropdown-menu">' D) c2 l H8 z$ g. r
- <li class="dropdown-menu-item">+ b6 W# x1 ~5 x3 [. d! V! D, J7 m
- <a href="#">Dropdown Item 1</a>
7 H, q9 {, @$ c/ W - </li> [& s, V0 D) P" C; ^
- <li class="dropdown-menu-item">. u) @( j6 V3 l+ A' D9 K8 J' Q
- <a href="#">Dropdown Item 2</a>9 F8 @) O7 E: p. F+ w# g
- </li>: H8 j$ G2 k' C2 ?( [1 y
- <li class="dropdown-menu-item">
9 a2 {' {- @6 u; H! D7 E# m" j. A - <a href="#">Dropdown Item 3</a>
5 S! ~, w; n( t. @ E7 ] - </li>
% Q! C$ x# X t; e$ F5 A - </ul>
% b5 d' J: F) h: ` - </li>- u8 U0 t5 h$ ~+ Q* d
- </ul>, u; V# j! f( ]- Q
- </div>
复制代码对应的CSS代码如下: - .nav-container {% M! {! Z0 G" e8 Q
- background-color: #fff;
- `2 X- w! Y$ O - border-radius: 4px;) z% y5 C, ?4 _
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
# i& N) i0 y7 M8 z - padding: 1em; D5 B9 Z( ^% |6 X2 l
- border: 1px solid #eee;! m+ h0 p+ t5 V, \( \, v1 S6 V! c& _ m
- display: block;+ T3 `8 p9 ?; y6 ^ I1 f
- max-width: 400px;3 g8 q8 ^9 R& [- C& [
- margin: 0 auto;
/ n4 x' @1 U) _ - text-align: center;7 u6 A- N( L" g9 Y
- }
$ B/ q# W. i, b, \, A2 Q - ul,
' t" p1 p# {# A+ g - li {& L* C: q2 T+ V/ B
- list-style: none;8 D5 S+ ]; \ R
- -webkit-padding-start: 0;
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- text-decoration: none;2 P0 y; o( C6 C1 G6 i( Y, w" }
- color: #ED3E44;
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+ Z5 B) S# W$ X2 @! q0 u# x1 X Y' @ - .nav-item {
6 G3 S O+ W) {& D/ R- ] - padding: 1em;
1 H+ B5 v! G6 d4 h. Q - display: inline;% r2 B, U- m7 {9 h; n; \6 S7 v
- }
8 I3 P4 z4 G) C: a/ g1 H7 s - .nav-item-dropdown {' w0 |: B0 s6 V* n# z
- position: relative;
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- .nav-item-dropdown:hover > .dropdown-menu {9 Q3 |: _4 p& F& {7 S4 b* _
- display: block;
- R" ~1 \( k2 ^& Z; p - opacity: 1;
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- .dropdown-trigger {* Q- l( A- b. S( I6 r
- position: relative;* q5 o# y5 C u0 `
- }% ^3 ]( B: ^, a9 E/ F
- .dropdown-trigger:focus + .dropdown-menu {
% ~, J8 M; \! G7 U - display: block;' i9 o( L" Y+ ^% H& [2 a) L' h
- opacity: 1;
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3 s. p8 z: l* c+ K/ k2 B) M - .dropdown-trigger::after {
7 c9 l( s" Q' U6 a- S - content: "›";
) Y" \4 G& T9 B0 j* ^9 V$ {- ~ - position: absolute;6 }+ U' b1 R: ` y
- color: #ED3E44;8 u+ K; P: ~$ I/ }
- font-size: 24px;* L) P- E$ k" `: j" }
- font-weight: bold;( Y7 M8 ~- T: F1 D) V+ ?" d3 s
- -webkit-transform: rotate(90deg);6 i+ W! H; L( ?$ O
- transform: rotate(90deg);; d2 `, T- A% S# j
- top: -5px;
) M4 c3 a' S: a% k - right: -15px;% v1 P. f6 t+ c4 C0 M* U: B
- }
4 j4 N0 q; H- a0 B& Q - .dropdown-menu {
% b' b. [4 T v% b - background-color: #ED3E44;& L" R; F4 v+ l3 k. B2 \2 B/ P
- display: inline-block;" I5 ~8 g" l! ?2 \& N6 v
- text-align: right;
! j; o" H" o3 |1 p) W - position: absolute;) B* M$ q; R0 R2 f; {
- top: 2.5rem;
5 O6 T9 D* _' D: s- F! p! O - right: -10px;& G4 `! S6 m: Z) i+ ~
- display: none;
. P8 I- \# `; X - opacity: 0;
( l; m. c1 D1 W9 j' ^* \( F/ ] - -webkit-transition: opacity 0.5s ease;. \, o" K" x% r4 f4 g; [4 b
- transition: opacity 0.5s ease;0 s3 R" K% ^& _8 `1 F: R' \
- width: 160px;
7 {" e3 `" W) ^/ H - }
5 h) S n9 T2 w9 [3 q# G - .dropdown-menu a {2 l+ h8 {, j+ m: Y* G. Q2 Y' X
- color: #fff;
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- .dropdown-menu-item {
0 r5 T( y4 x; E. \7 I - cursor: pointer;
0 w2 l: A. B; t - padding: 1em;
) y' c: U9 K2 r6 V$ `, ? - text-align: center;: R6 ^7 Q: g& e1 b% }$ ]
- }
/ E6 i$ p, o: g- P - .dropdown-menu-item:hover {. ^& e% Y5 B( I8 f& z
- background-color: #eb272d;
! K0 Z8 D. X0 ] ^5 Y' k4 e - }
复制代码
S+ |/ z( q3 B& q: B6 \5 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' G# \8 _ ^/ r
- <!-- Checkbox toggle -->' Q; C, S2 V" ]7 b9 s
- <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">
" b4 p. }7 `2 m2 v3 T: a# g - <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>( ]4 ^* Q* B0 E# E9 K' T3 b
- <!-- Content to toggle from www.mfbuluo.com-->
* f# A/ ?- a+ F - <div role="toggle" class="toggle-content">7 d* x4 p$ D0 \: R1 M) H
- BA-NA-NA-NA!, X2 N h7 X ~$ g
- </div>
& J; q7 T7 K. S6 i9 N - </div>
复制代码CSS代码内容如下: - .toggle { K2 k: T9 C( h& s/ t
- margin: 0 auto;) @" |/ Z# J5 j& d3 X( s6 z
- max-width: 400px;
; h6 a( r: i7 z2 U4 o: q - }
9 R& m# W$ ], ^ - .toggle-label {
* \, I6 H2 i8 A - font-size: 16px;3 G' i+ c' n6 M9 o$ x
- background: #fff;8 a3 E& g8 A7 M- y
- padding: 1em;
- j8 U Z, h% u/ m) n1 w/ f X - cursor: pointer;
# s1 h* [9 Q9 k d0 V. Z - display: block;
! h. ~( m( {+ W6 A* z$ h& Q4 t$ E - margin: 0 auto 1em;) x, {8 l* {+ g; @: W5 p
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
( n: O8 J$ T e5 C& S% r - border-radius: 4px;
' Z3 C. }7 b% B6 f L, n - }
3 i( @: G0 S' H! x9 ?, W; S/ `! T - .toggle-label:after {
. J3 r; N7 E% O/ g' k4 l - color: #ED3E44;7 q) |" c% S, a9 ?- O
- content: "+";
' Z. ^6 v6 F& ?+ A( N3 a n - float: right;
V' o1 r7 o0 @0 M5 f5 V7 H1 G8 e - font-weight: bold;
0 F% z& n6 Y" C* P4 f" z - }3 ~ g# f: e# M0 r# w
- .toggle-content {
* P8 s& V2 Q' y* q - color: #B0B3C2;5 @* d7 ^' L; s2 a
- font-family: monospace;
0 O+ K8 x ^" b - font-size: 16px;
/ h% M) |: M1 N& O - margin-bottom: 1.5em;
/ v! v' i, k: L; e& g0 d - padding: 1em;
0 \! Q" n0 A2 I/ \ - }% `4 X% X. g$ v
- .toggle-input {' @" ]0 c d2 ^+ P* l( ?
- display: none;
$ w# b# o& f) F7 N% |. } - }
, N% J- ~! a8 k1 G0 I - .toggle-input:not(checked) ~ .toggle-content {
& a P o* _: @! C% f - display: none;* G$ t9 q3 o$ o
- }! s6 I$ [' J6 L* g, H8 ]
- .toggle-input:checked ~ .toggle-content {
5 N3 V8 n9 u- Q7 V+ P9 t/ o: a - display: block;: _ K1 l/ \7 H
- }( K G, \) f# G3 a
- .toggle-input:checked ~ .toggle-label:after {
: j2 a3 t, R( p! E b& x - content: "-";
8 N4 Q4 k8 M1 X s" }% z+ a - }
复制代码
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