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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!"> d: ~7 ?+ N' U; T, N
- Label for your tooltip& e* D( Q' d1 A. j
- </span>
复制代码CSS代码: - .tooltip-toggle {! k9 E! l+ w3 ?/ B, B
- cursor: pointer;) p! y. `; | R4 |6 b
- position: relative;/ Z4 r3 }! i* U% Q
- }2 _" [: t% P& Z1 s3 S5 C* {" c4 X
- .tooltip-toggle svg {# C8 E; C# x$ l3 `# E3 e/ Y/ M
- height: 18px;
: v+ L5 z8 `8 y) f/ S) G: W - width: 18px;: R; @( R# I% }8 p% B0 \5 b
- padding-right: 0.5rem;! W ?9 {, L5 n$ D( |: r: K4 k
- }
' I( m2 V* u0 M) I# A - .tooltip-toggle::before {
1 z& |+ r4 |5 L9 [7 f9 a+ r - position: absolute;& [* ?! Q- D+ \/ ^& j
- top: -80px;
* r5 r; j/ c* R& p+ x% ?" j( J8 d - left: -80px;
2 Q6 H, F1 M0 c% S* p - background-color: #2B222A;: D/ [; H5 D2 K8 Y1 v9 k1 [
- border-radius: 5px;
2 M3 {1 g4 A; h0 p - color: #fff;
4 }3 A4 y& v. s - content: attr(data-tooltip);
7 g& Q1 U0 |; s6 ` - padding: 1rem;" D0 {; {7 Y3 h- u' R( V) Y3 ?
- text-transform: none;
, Y' e1 I) m6 w2 A$ s' _; l8 ` - -webkit-transition: all 0.5s ease;
2 c0 c/ E/ q" W/ _/ R; U9 ~: _ - transition: all 0.5s ease;3 b P2 L: ~7 d5 b
- width: 160px;
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- .tooltip-toggle::after {
$ ^" x# ]: f2 e+ v; w5 t8 D - position: absolute;6 g9 e& E- e4 n& c- Z& w8 o7 M
- top: -12px;
5 H: b+ {" i+ P9 s5 H5 ` \/ v - left: 9px;& S/ F' V+ d8 |& C' {
- border-left: 5px solid transparent;
5 R1 B* H" t- N' Y) l - border-right: 5px solid transparent;5 l. v; q5 @6 B" ]- E3 |/ C4 y
- border-top: 5px solid #2B222A;
. Z) u1 Q3 M. y- e/ f - content: " ";
8 k$ M: `* w1 n$ _4 r - font-size: 0;' O2 K% {9 W! c f
- line-height: 0;' F0 V# ?, {* B2 H
- margin-left: -5px;
1 F3 L1 o2 x( |! } - width: 0;: c3 O! S( W7 |! G% x1 @7 @
- }
- ^: N6 |* r! a4 W v - .tooltip-toggle::before, .tooltip-toggle::after {
# a8 @: \9 @% U+ }' Y, @ - color: #efefef;% G# k8 ]5 s! Z8 P6 Q' j6 l
- font-family: monospace;5 D+ a/ a8 Z6 j4 e' Z5 I9 @, S. I" j/ G
- font-size: 16px;
: u: Y; A6 s4 z7 z7 G# w7 ? - opacity: 0;
9 o1 g( o/ q `) j/ d& Y - pointer-events: none;/ I7 n% L+ B; Y
- text-align: center;
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- .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {1 ?; [9 e! b, |1 x- U7 {. e/ X) S. t
- opacity: 1;
, V- m; H. L# O% g - -webkit-transition: all 0.75s ease;
! i2 Y2 d5 \) t+ h - transition: all 0.75s ease;9 [. S! H" I' D" w! t, {& 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">7 B% m0 n& ^2 B
- <ul class="nav-items">
7 N6 z% O/ T3 n - <!-- Navigation -->+ r" u2 d& ?; w2 [1 T2 t" }+ x! c
- <li class="nav-item"><a href="#">Home</a></li>7 w9 o* w# l' O/ L4 F
- <li class="nav-item"><a href="#">About</a></li>
, g! X1 M( @9 f8 I, k) r - <li class="nav-item"><a href="#">Contact</a></li>
- T, D, A; D1 M% \. x( b* Z& y - <!-- Dropdown menu -->
% e0 ~: p) i, b - <li class="nav-item nav-item-dropdown">
; e6 b2 @, l" B& e5 c) ? - <a class="dropdown-trigger" href="#">Settings</a>2 m3 e4 _" n1 z. y: t, c& Y9 d
- <ul class="dropdown-menu">7 {3 x; W& Y9 R& m
- <li class="dropdown-menu-item">
: e" c4 v0 ~7 K+ L - <a href="#">Dropdown Item 1</a>4 P0 ~ m8 W# |8 w1 B; b
- </li>
1 j4 U' G9 @* `9 ^3 z6 s- G - <li class="dropdown-menu-item">+ Z7 y1 b3 ^' r
- <a href="#">Dropdown Item 2</a># J+ g F( E2 [5 u( s
- </li> N/ K4 |# e/ t: W7 m
- <li class="dropdown-menu-item">6 z0 {5 A" j6 p' B" h' p
- <a href="#">Dropdown Item 3</a>4 k4 k2 u( T4 o" q |
- </li>
/ h" c% C% U" \2 }" [' v; K - </ul> [3 w4 B0 e# s" q/ x
- </li>) |/ t8 q0 Z: s* X% H/ I
- </ul>9 W" a* ^7 Y! K. X8 j* O5 d
- </div>
复制代码对应的CSS代码如下: - .nav-container {
1 j8 J% o% R6 L& ~2 I, g - background-color: #fff;4 V$ _/ n! u) `& |: ~3 @
- border-radius: 4px;
. V& e, O9 |- t1 L- D. Z) \ - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
( N5 m2 ~: N% } P: l - padding: 1em;' z3 O Q$ n! R( y( M) k5 o$ S
- border: 1px solid #eee;: }1 m$ x$ k. v a, _( ] S4 ~1 k
- display: block;! |0 M1 K2 ~! Z7 n( d$ J* O5 }
- max-width: 400px;
* P# F/ j! F$ ^ - margin: 0 auto;0 |3 W1 ]+ n. m# c8 O! ^) s; b" P- h2 |
- text-align: center;# ~! E% a9 O& E3 Q1 z/ i+ e
- }: C q. H7 u( ^+ Q! a* C2 Q
- ul,
8 t' g& |8 A& i* P# x# c$ n: u2 { - li {7 \* m) g) R. Y! f7 L. e( m6 G
- list-style: none;
: L' i& \7 ^% E( } - -webkit-padding-start: 0;1 z' K/ {% G4 ]& \, g
- }
( F! ~; w3 B1 U Y - a {
1 x# x6 o ?& N - text-decoration: none;
5 P' S" J( v2 ?2 l6 q! W - color: #ED3E44;
! y0 o5 ^! I: [! U4 V - }
* f& y+ D8 S* @$ N# J - .nav-item {- K, F# v9 [7 g& P
- padding: 1em;' I$ ]+ |3 u8 Y! b
- display: inline;6 R1 C9 m2 u6 P% j6 H0 w q# K
- }3 `0 |. b; i# A: [& W
- .nav-item-dropdown {: f, U! t9 f D' e
- position: relative;) U1 O& s0 j- e' E
- }) |) T& @: T; [
- .nav-item-dropdown:hover > .dropdown-menu {
" |5 s7 {2 I8 O) { - display: block;# r4 ]; |3 v+ M0 _. @# L
- opacity: 1;
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- .dropdown-trigger {
" m( V+ h% |% B% e6 E7 B - position: relative;
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- .dropdown-trigger:focus + .dropdown-menu {0 q5 U5 p6 b2 R% ^# n
- display: block;
3 j2 y( T& o7 C) o - opacity: 1;
, D6 @) Q& }( w) i$ d - }
- n" Y7 d7 t7 i- I8 h - .dropdown-trigger::after {, K v% M- t a% G A
- content: "›";5 k) n4 D2 X7 f5 V# i4 Q
- position: absolute;) W( w9 @' h6 Q+ ?
- color: #ED3E44;
0 d- _7 T& X# t1 G3 N - font-size: 24px;
+ }' d0 p! n: e! {( N t/ [ - font-weight: bold;
6 c9 h" r( X2 a' |0 {! R1 l, N3 | - -webkit-transform: rotate(90deg);
& q9 v- a. e( y$ A0 r6 g1 y A" G - transform: rotate(90deg);
5 ^# T# U! v* M/ y; n; n! u - top: -5px;- s' E5 g5 T9 X
- right: -15px;
8 w! F' }5 L* | - }4 G6 ^2 O- P4 y3 ]; ~, u- g# H
- .dropdown-menu {
' e6 K8 \5 s' Z+ S4 U- R0 J - background-color: #ED3E44;* b# | o$ [* [0 i$ O
- display: inline-block;
' s. |8 |* R6 q P( v& c. _# L' I - text-align: right;( A! h9 T" R/ n) O' J
- position: absolute;5 h# I. L4 W3 U) o( a8 E* ^
- top: 2.5rem;. E B' u! Q8 n
- right: -10px;( o' Y! m( j( K/ r% q* n% k& Y
- display: none;' ]+ k& ^# J. d; g3 ~4 [; G+ R
- opacity: 0;
! D( T, X6 S5 {- A - -webkit-transition: opacity 0.5s ease;4 Y: r% V1 E) z: `8 Z
- transition: opacity 0.5s ease;- _1 S: L; p6 W) u- e$ K2 n0 `0 m
- width: 160px;( ^6 k+ y3 v7 v
- }. m; J" s H; _0 x
- .dropdown-menu a {
. ]5 A o2 R* r# P8 J) v! d - color: #fff;
& t) r* Z7 t u+ s" H* j% e - }
) U5 h3 s( c8 l# I - .dropdown-menu-item {, g" h! E7 Y r% W4 a- m
- cursor: pointer;3 p* R: Y' X6 E6 Z d* J% [2 J
- padding: 1em;" j& O4 @* y: x' z; p0 f/ i6 G5 Y
- text-align: center;
6 {" H5 E) ]' q) o( B# W* n3 k# o - }
8 _: }1 {% S! z/ ^0 x# p - .dropdown-menu-item:hover {
T. t! i6 N E# e - background-color: #eb272d; e5 @ F6 y+ z0 D! B
- }
复制代码
/ Z3 B- v' i# e" N可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">7 i+ r; {; ~# f+ t
- <!-- Checkbox toggle -->" E% m/ Q' s+ F1 F8 o+ l
- <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">1 R: l' Y5 u k/ W$ k: i
- <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>
) {7 ]8 I g. q; ~5 O0 W% u - <!-- Content to toggle from www.mfbuluo.com-->% c5 L( M5 D) X, G9 T+ I" X
- <div role="toggle" class="toggle-content">. C! ^8 B# ]" u# B
- BA-NA-NA-NA!' q4 O7 K3 K% D" y" }1 z$ ]
- </div>' F" K+ A% I) H% B+ e# P* r: E5 d
- </div>
复制代码CSS代码内容如下: - .toggle {
7 B. g1 m" }4 K4 f - margin: 0 auto;) H- G4 h. s J# X `5 I+ j4 b
- max-width: 400px;
8 G) h% r5 \6 f' e s$ r - }
2 z! X5 ]; h) S7 i- y - .toggle-label {
) i5 D; z4 F& {6 b1 `2 J8 i5 U: \ - font-size: 16px;0 B+ G& @6 ~$ L+ W$ H/ M6 P0 ^
- background: #fff;
0 f& O8 t5 ], [5 h) @ - padding: 1em;
/ F9 ~" Q/ t- I2 w9 g5 A- C - cursor: pointer;2 Y, N! U: l0 P
- display: block;& _2 c. }' G6 A* g5 M
- margin: 0 auto 1em;. Q" c4 b$ F: @
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
9 V8 |) s0 N+ C, M/ U1 k9 l6 r: ] - border-radius: 4px;
7 ?+ _3 l+ ~% d' B - }7 a/ L' l3 z+ U5 P N1 M6 }4 F
- .toggle-label:after {% ?, J! ~. e* ~0 ]
- color: #ED3E44;
% g$ {7 P0 W* U Q1 L' D - content: "+";
. ?$ P& _/ |5 n+ i4 l5 P' \ - float: right;# K. [5 i4 w7 A9 s
- font-weight: bold;3 W2 E" X( P: p9 Y$ @* d6 s
- }9 J1 S; h( B( i. K, Y# G; |1 _% b
- .toggle-content {
) Y) H. Z! N9 k3 s - color: #B0B3C2;) a9 Q0 k! V2 U- h0 Z; z. l
- font-family: monospace;% V8 `. u8 t" M
- font-size: 16px;
2 G. `9 U P5 k) N% u - margin-bottom: 1.5em;& C8 f( f# m8 i. o2 R/ Z
- padding: 1em;* X; r6 H$ W7 o
- }
2 B' N& [6 U8 q - .toggle-input {
* h; g5 m- F3 q3 p) d9 v5 n - display: none;
0 e- h8 I0 U. X - }
7 ?6 C( o* {! j+ R: \) d4 {$ G - .toggle-input:not(checked) ~ .toggle-content {, {* s$ Y. [7 u9 I+ J% K* Z
- display: none;
, ~" `5 U/ F& X. ]4 ?& [ - }
( W; N$ e7 `( ~* C: Y) o) K - .toggle-input:checked ~ .toggle-content {
! X5 s8 a- o: A/ f* t$ k0 z% C) ?7 [ - display: block;
! ?/ U8 d* J8 q3 O% B! b - }
/ G# E: K' j& C8 Z. g - .toggle-input:checked ~ .toggle-label:after {
2 M4 w5 P9 X/ R$ |% d8 E5 V - content: "-";
7 y3 W5 O4 d. |. r2 M+ | - }
复制代码
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