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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!"> y+ J8 ~3 u! J$ F" J
- Label for your tooltip6 ]& H' T V- @* L. x3 ^
- </span>
复制代码CSS代码: - .tooltip-toggle {1 e, p, x0 e4 m6 C8 J5 ?8 f
- cursor: pointer;$ ?* ` i& J. |! z7 l0 Y) n9 I
- position: relative;# w4 ]2 d8 A9 N1 A( a2 X" W. x
- }; v7 l C6 k% T9 O' v% {, @! J
- .tooltip-toggle svg {
$ H [8 D) M6 v0 ]$ `* J( A3 }/ J1 l - height: 18px;) E2 V8 F6 X: ^
- width: 18px;
( |8 @: a9 ^, Q$ C7 o, [ - padding-right: 0.5rem;8 A; W/ j3 }2 E2 D
- }
/ o6 I3 o$ L2 q$ K - .tooltip-toggle::before {& x _3 M8 G0 ~ W; o8 m4 O
- position: absolute; x* R: @9 r: B* ]: i; z
- top: -80px;6 q$ X/ w% D/ H3 @& {* E
- left: -80px;+ ~( D* \0 o- U/ L0 d' p
- background-color: #2B222A;0 q+ p5 z# f/ E( N
- border-radius: 5px;# W$ } p, G4 f$ u+ d
- color: #fff;; M, W- `2 L! n$ m- B4 H; i3 f
- content: attr(data-tooltip);" ], }" X& d" w& s! E
- padding: 1rem;% y# h0 I/ B+ o( S5 H1 S8 v
- text-transform: none;
- S. q Z3 F1 c8 Y - -webkit-transition: all 0.5s ease;
8 V2 x( u" k6 Q# a6 ^" f0 | - transition: all 0.5s ease;
& I2 V; ?) l! z- B1 K8 Y0 t - width: 160px;$ W2 ]. ?2 r, f$ z# {. i( [
- }
: u- M. [ x# d k2 A - .tooltip-toggle::after {
. t B7 U: z4 s - position: absolute;
5 d8 x- U! ~# G) f: z - top: -12px;6 ^) [, r6 T+ l. m, R1 r
- left: 9px;2 A" D. g$ `3 q! i
- border-left: 5px solid transparent;
) M+ X5 z% Y$ K1 [ - border-right: 5px solid transparent;4 ^. Z- _" i4 H
- border-top: 5px solid #2B222A;$ w8 A) ]1 y4 m. n- D
- content: " ";
& h5 j+ j7 j1 z1 `' W/ \ - font-size: 0;
1 f6 s4 U1 ?1 T5 A- s - line-height: 0;) h7 e2 B* f3 T% n
- margin-left: -5px;
( r( t" b) s/ R2 C# @. T0 ^# D - width: 0;
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- .tooltip-toggle::before, .tooltip-toggle::after {
/ @2 z. c2 n7 N8 q* ?# ]+ f - color: #efefef;3 i. n' O7 j' |8 [+ E; P! a
- font-family: monospace;
4 B: U: F3 v- [0 X - font-size: 16px;" l% s3 i! R( }6 U. b. |4 c4 B4 f' F
- opacity: 0;
+ a) L5 b/ R" y# q - pointer-events: none;+ ^2 K; F' L6 u* t- W+ I, Y7 y& ^( q
- text-align: center;
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" {% {' U% q# u: a - .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {
1 }, B3 S8 x# k+ S' f' f - opacity: 1;
# z9 ?2 A4 ^2 E2 Y; f& Q$ Q - -webkit-transition: all 0.75s ease;, t1 h% G' W+ t; ]3 {
- transition: all 0.75s ease;& m5 S" m: O8 V
- }
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">8 @* x3 e$ [6 i q3 c( S$ ?# _$ D5 W
- <ul class="nav-items">
* @) _8 d- O- |; K W# B4 u5 } - <!-- Navigation -->3 p1 ~5 ]' E4 `1 s& H9 r0 p
- <li class="nav-item"><a href="#">Home</a></li>
; n* j- I9 W( W! F - <li class="nav-item"><a href="#">About</a></li>
4 ^& n8 [: @8 r: F, o" \ - <li class="nav-item"><a href="#">Contact</a></li>
. u z T$ s) ?5 D4 k- q- b0 J4 C- a - <!-- Dropdown menu -->
$ x6 k0 N, [: N6 b - <li class="nav-item nav-item-dropdown">* s- T: a" I" q! A3 \3 O- O0 X2 L
- <a class="dropdown-trigger" href="#">Settings</a>$ h2 A1 g8 y* I2 R* T
- <ul class="dropdown-menu">3 k' ]1 [+ P0 h, D
- <li class="dropdown-menu-item">) F) z' M! b I7 x: g2 n
- <a href="#">Dropdown Item 1</a>
3 k( ?1 \) K8 f4 q. j! U- c - </li>
K& I/ N' p% X. p2 V* ~ - <li class="dropdown-menu-item">- n2 ^6 b& ]6 i* z1 o
- <a href="#">Dropdown Item 2</a>
0 n5 e J' \4 @, D8 r5 X - </li>7 R9 [1 ]6 U( x8 N
- <li class="dropdown-menu-item">! y- i! D. ?3 P- @3 G8 Y: j; E
- <a href="#">Dropdown Item 3</a>
7 O- |3 P, p, r5 A - </li>
' H% \& r- L4 ]% I4 I - </ul>
+ t8 i/ | p. T( s5 E - </li>
" g9 s S" J f' M - </ul>8 ?8 D6 ]) P% \- C' B; @
- </div>
复制代码对应的CSS代码如下: - .nav-container {
+ d. G3 ]2 C- Q3 l - background-color: #fff;
; `9 c2 v: b. p. K" R( I+ @ - border-radius: 4px;
) N5 U& ]& S9 E2 x* K" D - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
6 F0 a. t6 m+ s) T - padding: 1em;( L. l# |/ C! N. }5 b, x
- border: 1px solid #eee;/ H$ e3 c Q! O; b/ X; ?
- display: block;9 M' A( ?0 { X' N X" \) m' o
- max-width: 400px;3 b/ l# ]& c$ M; F2 q/ a0 t# t
- margin: 0 auto;; D7 ^6 u+ N' T; o) p
- text-align: center;& p/ z$ C( s' X9 R
- }! C- Z, r6 V% J- o* l
- ul,
/ [; i/ X* L! Z0 R4 O - li {
1 {! {4 b5 c' K+ q! x& g - list-style: none;+ D( F* Y, [! t8 H1 c8 f
- -webkit-padding-start: 0;6 U2 T1 G I% ]
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- a {
4 D+ d% b7 Y- _/ n' L: ] - text-decoration: none;
/ \+ E" ^- b' F* x0 n - color: #ED3E44;
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- .nav-item {0 t+ s8 Z$ K- h9 ~& e+ D
- padding: 1em;7 R* J; a3 c4 D6 w* M \9 b E4 W
- display: inline;# A! n9 I9 `8 U% M8 ]' k# G
- }/ q* M) `/ }3 \1 Z+ S
- .nav-item-dropdown {/ ~$ E9 ^% r) L- Z; }0 _
- position: relative;
5 @/ l9 w0 q9 e( P$ h - }
4 H( z1 ~; p8 G( B9 ]3 p' X" n - .nav-item-dropdown:hover > .dropdown-menu { a" {# H$ L. C2 d! h' d1 A; q8 d
- display: block;8 L: Q; R9 v8 \# S4 K
- opacity: 1;3 Q4 O5 t! t* ~
- }; w9 a' J( {" L! u
- .dropdown-trigger {
2 m0 V/ t$ L5 k5 w% z - position: relative;4 i% O- n- a/ `. t! l$ V
- }
1 I: F1 }8 i4 M - .dropdown-trigger:focus + .dropdown-menu {
+ d% @7 N' x1 x- h - display: block;- a" P2 N. O1 \* i/ W/ j
- opacity: 1;5 |7 M U# T+ r3 Z
- }
- ~: u; w9 O! a H( t( C" K - .dropdown-trigger::after {
7 F" T, ?/ X6 a h - content: "›";
1 [3 P$ |& p e7 B$ w7 E# X8 w - position: absolute;0 _$ B, E- I. ?0 w6 l0 Z& f1 q
- color: #ED3E44;
0 n% a' F5 W9 A* X. |% ^ - font-size: 24px;
7 R' c9 c ~- p% S) | - font-weight: bold;; T% ]; d* a/ b4 D' V
- -webkit-transform: rotate(90deg);
: ?0 l9 P; B9 y o - transform: rotate(90deg);# }" l. H9 D1 Z2 n
- top: -5px; Q: i; Y- P( L* a& b6 a
- right: -15px;
& R0 J6 S& S; U. @ - }
0 ~" Q% E* I9 n - .dropdown-menu {
, A1 G$ ~# \" {) ~! o' E2 R - background-color: #ED3E44;1 ^6 Z1 S7 _6 j. X% ]
- display: inline-block;
2 ~7 U6 s [: p# u/ F9 r) w - text-align: right;
; B; U# P/ q" U% c - position: absolute;
0 ^( i+ @) T$ Z; p, o - top: 2.5rem;
% P5 l$ {* U8 R5 z o+ ^' j: n# ] - right: -10px;' {' f b) ?: A# Z+ Y
- display: none;$ m* x0 _; U6 S' X2 ]
- opacity: 0;$ i9 u( f- W: M4 x9 }
- -webkit-transition: opacity 0.5s ease;) ], J9 @% v6 z+ q+ i+ G
- transition: opacity 0.5s ease;
6 z- I8 [) w- [; L) E - width: 160px;$ C1 z0 @6 P, s7 H5 m9 G" g
- }
1 X0 z) c% Q' K$ Q - .dropdown-menu a {7 A2 c; ]" b8 H; R
- color: #fff;9 Y% [: i! x1 {/ X% K1 F% I% u
- }4 r' s" r. }- G9 `- D. J* ?8 O5 Y
- .dropdown-menu-item {
2 [3 R X$ R7 |9 ]7 d - cursor: pointer;
4 u& h2 i+ Q; Y0 e A - padding: 1em;
1 X9 [" q. f9 l! I - text-align: center;
$ ~% O- H8 R( F6 P - }( g/ ^& ~9 I3 f: ^
- .dropdown-menu-item:hover {
9 a: T6 {$ B& O$ y! j4 J - background-color: #eb272d;. o; H6 d9 B4 S3 o3 E' N
- }
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* g0 ^5 r2 v6 {可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">3 {1 s& r. O% N& F7 @1 \
- <!-- Checkbox toggle -->; t& y- J; f# u$ r2 C
- <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input"> `$ W: }" T0 C% g& r0 d
- <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>0 T( d9 w# I7 T% {/ P2 \
- <!-- Content to toggle from www.mfbuluo.com-->! s! J3 M; \+ y& |( k( w8 p
- <div role="toggle" class="toggle-content">
& Z' f; D% K& ^6 q' S - BA-NA-NA-NA!/ C6 c6 j- j6 R" N% f) H% Z! \
- </div>" ~) s) B' |( `3 Q: J4 r/ p
- </div>
复制代码CSS代码内容如下: - .toggle {" ^4 j+ _2 H* a0 Q: T# O; ^
- margin: 0 auto;: v0 W, B/ y% O
- max-width: 400px;. N# P- ~6 m. h" S& [; O# h
- }/ C. Y; d5 p ?6 ]+ {
- .toggle-label {
. T" i# ~# I" N/ Z - font-size: 16px;
7 r4 K9 G# ^/ m; t4 D - background: #fff;
( B: _% L0 `( x. z - padding: 1em;6 U% i8 `' N+ I2 j: K) ^ d4 Z$ V5 u
- cursor: pointer;" W; V! {, h9 k& \
- display: block;: R) W4 \' K. S& |8 ?5 f5 U( ~
- margin: 0 auto 1em;
6 g3 `$ P# I- D3 G0 u% p - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
9 w, Q- U2 r* Z# b* X, E - border-radius: 4px;" z0 D/ l0 |3 Y/ h3 a
- }
: h$ y: ` P0 e3 L% c: M- G - .toggle-label:after {
* @; e8 X, R. j4 u) i- s8 s5 z - color: #ED3E44;* Q* c; U0 N- N3 ^
- content: "+";
( W+ p/ z2 j6 l$ v* f - float: right;) u0 y( x1 t8 E' g
- font-weight: bold;( A# ~2 K' g3 r" \4 s( a7 H- u% s
- }7 K8 ^' M6 y P/ I; R% H3 z* a
- .toggle-content {/ P4 {2 i: E% E' `# Z
- color: #B0B3C2;
, t0 I+ W5 X( o* T+ v3 T - font-family: monospace;
0 l2 l. p' Y; e) y T3 Y - font-size: 16px;
; F! c% M/ x, T Q# p' z0 [& V - margin-bottom: 1.5em;
# }' z9 {( u& w4 W* R( g. P - padding: 1em;& }; r' t0 G5 z+ {" x2 I- M n5 v
- }
. [% u( w! Z$ C% K, `9 S - .toggle-input {6 W: T8 c4 ? X& J0 c
- display: none;
) W' G0 s! j( n( b - }
% G' t$ L" v9 Z: Y - .toggle-input:not(checked) ~ .toggle-content {) ~! b5 M5 W! b# p
- display: none;! A; g. Y" R* T- |: G
- }
/ t: u- _$ O/ {" D! @0 s! o a - .toggle-input:checked ~ .toggle-content {
' e8 Y5 H( M; G7 ]1 B - display: block;
# D) d& ]; B* V: ], {! i) ~0 B" O - }
, F3 }& E' ?4 `+ u! V, a9 U5 c' i - .toggle-input:checked ~ .toggle-label:after {
8 d( p s# S( |, m6 b9 |7 |# ^% P - content: "-";! l S/ E5 L0 }" U
- }
复制代码
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