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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!">
; J; s* O- g0 M! h1 r: M Q - Label for your tooltip
/ V& C1 ?2 Q8 y - </span>
复制代码CSS代码: - .tooltip-toggle {1 D1 h9 Q' B. a# X
- cursor: pointer;5 A( f9 P# K3 J, v% k3 p
- position: relative;2 m6 C% U0 U! M/ l& l3 M
- }- O$ J6 [9 h1 r0 ^
- .tooltip-toggle svg {
) G: B9 m# U* n5 w4 [0 i" K - height: 18px;% J3 B. N# b1 G* q
- width: 18px;
( Q) _; r: k( i - padding-right: 0.5rem;) _' U! @, G5 b- w
- }
- d! l, q0 X" r! C) ~ - .tooltip-toggle::before {
% d2 m) N& v8 z, u" p - position: absolute;- L! S. N. x4 r' H/ `" O$ f
- top: -80px;
* ~0 J0 N ?" G B% Y; _ - left: -80px;' r5 r2 w! r2 }7 y+ K5 x0 Y! V
- background-color: #2B222A;
$ n' n4 Z6 m j6 Y, k - border-radius: 5px;
( ^' ~9 }) I' u$ ~ - color: #fff;
1 Q; k- h& I# ? M X; r9 Z8 e. x! Q9 Y - content: attr(data-tooltip);
6 N; W) d; d' f- | - padding: 1rem;, ^4 ~" X8 E* p0 o- o2 M
- text-transform: none;
" T/ T' f5 ]' z8 ?8 o - -webkit-transition: all 0.5s ease;5 g; u1 J) w- u% q! b6 i V' c
- transition: all 0.5s ease;
. {# @) k# E: @8 Y - width: 160px;1 U8 x, ^/ L0 B: Y
- }
/ W4 ?' F$ Y3 \( i" U3 c - .tooltip-toggle::after {2 Q' L& U* W: h6 D0 \+ B+ [
- position: absolute;
- s7 S. P, |5 a! ?# M) a - top: -12px; N: P$ n5 M% U( h0 Q, Y+ ]
- left: 9px; C1 I1 {3 Q, x, O4 v
- border-left: 5px solid transparent;
7 _3 w# A: M R% O1 Q; L - border-right: 5px solid transparent;+ N2 y2 Q3 R+ p
- border-top: 5px solid #2B222A;
' @ X' l3 d( D - content: " ";
2 D7 m, k! c7 ?5 X - font-size: 0;, ^( H4 n, T+ S+ w' Y% a
- line-height: 0;0 r. o$ G6 Y9 W! o
- margin-left: -5px;$ m3 y4 `! D L4 a. t- \ h
- width: 0;8 A5 A' w8 v) S2 K1 E" Q: X; Z' F4 \
- }
) V6 b2 w0 E0 k" I9 M7 Q - .tooltip-toggle::before, .tooltip-toggle::after {" `: u1 ~* \; [0 E5 E( J8 s
- color: #efefef;
, C5 y! G" y7 s5 c - font-family: monospace;& c1 \5 m L% q7 z# {' [9 J
- font-size: 16px;
* p& I" ^& y. p - opacity: 0;: n5 B) L' _; U7 b
- pointer-events: none;6 r" e( S2 J5 E9 `! M/ R
- text-align: center;
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- .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {
+ O7 N8 y/ b' N. A% Y% u - opacity: 1;9 S3 V4 L) L1 i: W1 }" O0 `
- -webkit-transition: all 0.75s ease;# B7 M- m7 j7 S
- transition: all 0.75s ease;# k9 ] e2 B/ _
- }
复制代码下拉菜单 如果你想实现一个简单的下拉菜单,你可以通过 CSS 的 :hover 简单的触发菜单的隐藏. HTML代码: - <div class="nav-container">
7 H, U5 B. j# Y8 c1 K* U8 s - <ul class="nav-items">6 T! g! |0 i8 Z) Z
- <!-- Navigation -->% t& b/ @7 u, y/ t" e# A
- <li class="nav-item"><a href="#">Home</a></li>
: D V( V" ]6 A) @+ j3 ?$ H) Q0 J - <li class="nav-item"><a href="#">About</a></li>5 \) ^- G; P* P0 S
- <li class="nav-item"><a href="#">Contact</a></li>
5 p7 R' h) b. ]3 f8 T, ~ - <!-- Dropdown menu -->1 n# e9 X4 S- J5 N. G3 k- Y
- <li class="nav-item nav-item-dropdown">1 m7 w, c, ?, e, B
- <a class="dropdown-trigger" href="#">Settings</a>
' O. M5 G+ @ X - <ul class="dropdown-menu">* K7 S4 V' } A+ k
- <li class="dropdown-menu-item">" W) z: X2 H1 A; h
- <a href="#">Dropdown Item 1</a>9 S0 G$ ~: W/ N+ H$ G
- </li>
8 c) O. ~/ [; F - <li class="dropdown-menu-item">
4 p2 h' K& }1 ~; }: C+ @ - <a href="#">Dropdown Item 2</a>
# g' V; t3 \! }9 v: d7 T! e9 H: p - </li> ?4 C+ c; U, D& G6 G9 C
- <li class="dropdown-menu-item">: U T# e* v) }- m
- <a href="#">Dropdown Item 3</a>7 u2 m$ N% n& ^0 d8 j0 m# p
- </li>
$ u: `9 r6 k! m& L - </ul>* @" [1 w9 N# g
- </li>/ b& q. }8 F* C! n. y: }
- </ul>: ~% V6 t8 p. A4 G
- </div>
复制代码对应的CSS代码如下: - .nav-container {
% f1 `- \+ o4 o: @0 S( f M - background-color: #fff;- d) u9 R% ^$ u, x2 T' _+ D/ {
- border-radius: 4px;3 k- A3 g9 z& L" E
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);6 t) H2 z1 K( H1 B! f9 i/ z: b
- padding: 1em;7 E4 t7 i$ L6 I7 v
- border: 1px solid #eee;
2 u) w! Z/ j8 g( v' C' }$ ^- V - display: block;' e A9 J1 d( y: x9 G
- max-width: 400px;
2 S, S! k& S& p - margin: 0 auto;3 E* U8 }" a" k2 Y" W8 o' Z; h( r
- text-align: center;
L$ P" {0 U0 J/ U! |3 z# U9 V6 p+ z - }
4 F% u* R e- h4 [ - ul,
& N4 p* ?3 [3 J: p- U9 ^. R - li {
7 K' m' a, [# C2 v& [& ~4 u5 j: \ - list-style: none;
! a# y" F/ O3 P5 {9 X - -webkit-padding-start: 0;
# K5 J* U) N+ N( P3 f( |+ s/ a - }
+ ~) p9 d- r! u# p, Z - a {
( p+ _2 R7 ^: i) }8 S' f+ | - text-decoration: none;
( v/ h7 h5 C# X l! D - color: #ED3E44;6 }5 [1 c4 j8 I! P
- }+ j+ E* Q- E) [7 M7 ^& \
- .nav-item {
# A, v- q' p: M8 N' O+ }4 s0 c! } - padding: 1em;: [3 `1 {! H6 ], S7 P* H
- display: inline;
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- .nav-item-dropdown {+ E; P O( \1 [ \ ]
- position: relative;7 h& m1 M* ^( G: n, |
- }5 b I9 i' X4 M4 h' g3 Y6 l
- .nav-item-dropdown:hover > .dropdown-menu {0 J: y8 I" Q+ o8 F7 G9 H
- display: block;
1 Q! |8 Z+ @. a, d) \4 o - opacity: 1;. ?/ x( B+ p; F
- }! e" F# \5 K+ P9 ]7 H5 h
- .dropdown-trigger {
' P, S O$ q8 e. u - position: relative;
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' j5 O- L" V0 D2 Y3 L. x - .dropdown-trigger:focus + .dropdown-menu {
8 E* {2 @8 w3 C; t- ? - display: block;* X6 E- K4 X9 d1 V$ v' S! C. D
- opacity: 1;( W7 ~% U2 y* U
- }
% V& k& [; f- V) x4 T, f. Y* W - .dropdown-trigger::after {& Y0 U z" a( y5 i c5 x
- content: "›";% d, h: l1 E! B% r0 Z- g0 K0 b
- position: absolute;
4 W+ l) x( C l( Y; |2 }' u - color: #ED3E44;
) F& O! R. `# Z6 x/ U2 o% _; \ - font-size: 24px;8 T% E" n! {( O+ D
- font-weight: bold;
/ s% [ U3 a" R2 H2 ^0 O8 b - -webkit-transform: rotate(90deg);
, M4 x6 R/ U' J" t" E1 H - transform: rotate(90deg);
$ J* H* x8 Y2 i$ T, G& ] Z5 ` - top: -5px;
m3 X$ y+ V' h1 D+ t5 B - right: -15px;
8 s8 g/ g/ N0 p! C# G9 e: r - }6 I* M. \3 t! a: F- f
- .dropdown-menu {. q. X% H+ f; M+ f$ ~
- background-color: #ED3E44;1 y# u; U; C2 ~
- display: inline-block;0 }* ?' s: J$ D
- text-align: right;" I# k2 c( A+ _$ r* h, e# q$ W
- position: absolute;+ L" c- b+ ~3 d6 B: x& R
- top: 2.5rem;# B: ?' G3 }2 \3 X3 J7 J' D4 @( Q
- right: -10px;, C9 |* @( G% h2 q t6 q& E0 B
- display: none;
# N+ b( S7 j! V4 [ z - opacity: 0;
. g; Y" }0 q/ ~" W7 u; d - -webkit-transition: opacity 0.5s ease;5 |. J% Z" |" B! B, C) s
- transition: opacity 0.5s ease; ^- S% @; P5 L" C6 ^" O
- width: 160px;& W* u. b u4 v7 K! U
- }! m1 r% o' q! i) F, }$ b) y
- .dropdown-menu a {5 _, h- K9 i7 O; L+ c: L% a
- color: #fff;0 e& O9 J) R' j3 S7 B& F
- }
) ^/ R$ K- E- S3 c ]" C - .dropdown-menu-item {& f8 F) `1 _+ g$ _" r0 d. F
- cursor: pointer;2 I8 H: N" z' G
- padding: 1em;$ R5 Z7 B n# {; p, Y1 y
- text-align: center;
4 M' P( w, o; q Y' {+ _/ V7 g - }
$ P. u' a$ O5 @; B) J0 H( ] - .dropdown-menu-item:hover {7 X/ @" f- f1 R, e* Z" l. l
- background-color: #eb272d;
- N' |' p9 T2 ] - }
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- Y7 r2 N2 r0 m. x, Y. F* f可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">6 K3 U _# ^3 q$ k/ Q
- <!-- Checkbox toggle -->
# @* N+ n3 a& h; r6 H; Q - <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">& z' U, {" w6 B" C6 R% V
- <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>
: m V+ }! L" o5 O - <!-- Content to toggle from www.mfbuluo.com-->
) T4 W4 |4 N6 q* s - <div role="toggle" class="toggle-content">* d5 A1 u" B9 s$ k7 U1 p
- BA-NA-NA-NA!' e7 N! }: `. X0 a6 C# U) N
- </div>
: [% S q3 b" ?3 h* U9 u6 V - </div>
复制代码CSS代码内容如下: - .toggle {
4 Q$ f" A# c/ T# I& X0 X# o - margin: 0 auto;
0 L# p7 [8 L: h: Y9 w; @5 u# j - max-width: 400px;# B9 h+ O4 b- R, Z8 W- A
- }/ N/ p; G& z; g( I
- .toggle-label {8 Q; M/ P& K; W @2 P
- font-size: 16px;9 y! ~. y n) p0 }* R. [3 s
- background: #fff;% n n8 ]$ l# Z7 \) n% b( A
- padding: 1em;
4 m7 r$ p. n% X2 R4 t" v' O' t$ m - cursor: pointer;5 L* |+ I8 T E) M- `9 x* ~
- display: block;
8 Z- b1 n+ ^* L: V2 b - margin: 0 auto 1em;2 C, d1 Y+ U" M N5 |
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
, S3 }8 W2 A" p! N( C - border-radius: 4px;
! l( y5 F( }# I8 B5 I - }9 x9 u; i' W& z* S2 N ~7 }$ z" v
- .toggle-label:after {
, @) w3 X% t8 }9 Q4 G A - color: #ED3E44;
; C+ D6 H. R- b - content: "+";
* `6 E* y* J- W+ b) _1 K! S - float: right;3 o8 X+ \ m, I" r9 p0 I0 {: L
- font-weight: bold;
- N, [7 q& E% l! q/ V1 K) ]) M/ a - }2 D; z9 K# x' W( T; s
- .toggle-content {
( z/ a4 w" B8 w$ n2 l4 \1 j - color: #B0B3C2;6 V7 K0 }: f3 w# N" d
- font-family: monospace;( j7 y) D, X' ~( h
- font-size: 16px;
+ @7 f% C1 ?( [ I2 X! R$ Q - margin-bottom: 1.5em;
7 R3 u: j2 r- y - padding: 1em;# T+ D: @) I+ \- p5 T( N1 H
- }
. f4 b0 `4 s* s4 C! U6 m y) M - .toggle-input {/ E: x# [2 T& L; [7 J0 o
- display: none;
( r" O" r0 a" g2 J - }
8 _3 Y& Z" R5 [5 ` - .toggle-input:not(checked) ~ .toggle-content {1 g5 t+ F4 t: I1 Y9 C) M" x) z
- display: none;. L( _9 x; k1 k6 l6 i
- }
& E6 J" d x) b. C: ^4 w# \, q1 Y - .toggle-input:checked ~ .toggle-content {
3 ^* \% m- z5 T3 V; l# r% [% V - display: block;
' A; s& m* A/ Y8 Q F5 S2 d) V4 x2 ? - }( Z. ]- ?# k( S% R/ [$ }
- .toggle-input:checked ~ .toggle-label:after {
) b) Y: u, S2 h2 l - content: "-";6 a8 H+ [8 g L. i6 f: u' Z- K, |$ E
- }
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