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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!">
2 K M t$ G( w - Label for your tooltip' E! `3 w5 L$ P% X
- </span>
复制代码CSS代码: - .tooltip-toggle {
# S9 N; U0 I6 l, J - cursor: pointer;
3 D6 \6 D! p6 Z3 c0 {$ d0 Y - position: relative;4 }' |+ w. s- {6 ]3 g6 N
- }
) U" _/ n9 _. J. l% d0 D - .tooltip-toggle svg {+ V8 D$ D% _7 ~5 j: g
- height: 18px;2 q6 Q* ?1 [5 N6 Q0 K0 C' V" B
- width: 18px;2 A6 s+ P5 Q4 O* M6 U
- padding-right: 0.5rem;4 G8 m0 I4 p1 Q$ _& J. \
- }3 ~8 _5 z1 g; F! S# r: \/ u) H9 i
- .tooltip-toggle::before {5 g( K" J/ h" y2 j
- position: absolute;
) F& M4 I8 @, c0 ^: U - top: -80px;
* q1 u+ r7 ?& M - left: -80px;
1 A& w9 ]. K1 Y2 L& `, N; L - background-color: #2B222A;, S" e3 h3 B8 K1 B
- border-radius: 5px;; x$ y @5 J- E4 H- ?+ r
- color: #fff;1 B: h# C8 w- t; y) s/ m
- content: attr(data-tooltip);5 o Y. @4 V0 q" D/ e
- padding: 1rem;/ B9 c6 j) o$ K- D
- text-transform: none;3 U @8 a& K0 r1 r% L* L* M
- -webkit-transition: all 0.5s ease;
& M& r4 X* V5 n. n# h4 @" u - transition: all 0.5s ease;9 O* G" o2 F$ W
- width: 160px;
- ]1 Z, ^# X' @ - }
0 T. H, V0 h+ ?$ x5 T \+ Z - .tooltip-toggle::after {5 j( q7 U- Z7 s! o3 J0 u
- position: absolute;+ M( X# E O- }% @7 G" d9 {+ s
- top: -12px;
. ~3 M" i) R/ U; }& K - left: 9px;
* r) f0 @* R/ L ], t( y - border-left: 5px solid transparent;
" T& z* X/ z2 L/ e8 F5 r - border-right: 5px solid transparent;
5 ]0 P; X+ Q; Z k& r, J - border-top: 5px solid #2B222A;
4 n: y4 g! e+ }' S/ y - content: " ";
P( S, [- G( b c; z$ _, e+ g - font-size: 0;/ l1 o; _4 I9 ^+ e) o$ S4 q& r
- line-height: 0;
d8 A8 R7 u0 M/ _) N, @3 Z* v - margin-left: -5px;9 g" f$ e+ u$ X
- width: 0;
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7 }- x" u7 p' Y6 z% l9 ~ - .tooltip-toggle::before, .tooltip-toggle::after {
& s" P! i* `) O% c0 u e3 j - color: #efefef;
4 f/ y2 d# J( w! |% J+ N0 s4 b0 Z - font-family: monospace;! G6 }" n9 h' ?2 S8 _
- font-size: 16px;* `( ?4 q. I# F1 P
- opacity: 0;& L( w' z/ b9 {) L8 m" C/ q
- pointer-events: none;
p \7 y. A0 r$ p7 i - text-align: center;
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- .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {
( h. R+ }& S- ~. S( p, p - opacity: 1;
8 ]( O i# M% U% @7 A - -webkit-transition: all 0.75s ease;
; V. R4 ], U6 ]& R' ~ - transition: all 0.75s ease;
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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">
: I- T+ ^& e" D - <ul class="nav-items">
X5 K4 o' T- Q6 O) [ - <!-- Navigation -->) t" f+ G) K/ d9 R6 K- d3 L
- <li class="nav-item"><a href="#">Home</a></li>
; T. p% f2 }: R: D+ V3 t - <li class="nav-item"><a href="#">About</a></li>5 z8 V. {- ~! c: }, y
- <li class="nav-item"><a href="#">Contact</a></li>
% }8 o# t3 u% F# z3 ~ - <!-- Dropdown menu -->
: Q9 d, f. h }1 @* g0 ]+ r- H - <li class="nav-item nav-item-dropdown">3 G" _( H3 L2 g& y! X3 w" Z
- <a class="dropdown-trigger" href="#">Settings</a>
. a {5 L) w' p" o0 H7 u& M - <ul class="dropdown-menu">( k- S. n) d: O0 E* D/ b
- <li class="dropdown-menu-item">3 |! s5 Q$ d; m0 d
- <a href="#">Dropdown Item 1</a>
4 ~8 b# W0 M& V# \6 } - </li>
1 j% B3 B& f$ K! r - <li class="dropdown-menu-item">
6 s# @) e9 [. Y" t d& x - <a href="#">Dropdown Item 2</a>
J: B/ \; I8 y* [) ` o: \ - </li>1 X6 K2 x2 D! i9 t! u: I3 q! M
- <li class="dropdown-menu-item">
, A# Y- E+ F) m# d( q9 ~ - <a href="#">Dropdown Item 3</a>4 @/ V2 J2 C% E( C. x1 }
- </li>
) q3 @7 T( A# H5 R/ Q. g$ q - </ul>' h8 z' Q- s, f2 Z8 X
- </li>0 D& B, A6 x; _9 E2 ~+ c) W" v- U
- </ul>, r) k* \1 Y' m! x8 W; T
- </div>
复制代码对应的CSS代码如下: - .nav-container {; _3 @* r3 V$ R
- background-color: #fff;7 A1 o9 M' G3 o0 x, L( s4 Y
- border-radius: 4px;+ }7 n/ L! a2 n
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);2 [* x W5 O% y& l: C# S
- padding: 1em;
7 F) a, f; C2 l, d3 C - border: 1px solid #eee;
. T% k5 A5 B, M0 }% N9 A2 g: m& _ - display: block;/ f" N9 ~% T5 U3 |
- max-width: 400px;
, `5 ^9 p! P8 R - margin: 0 auto;
) ^2 B; [2 B# B6 A' \$ S - text-align: center;' c: y! r: h' d, w
- }% k( J- A+ B7 _/ @( L: t
- ul,
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- list-style: none;
, R4 v$ b) K! N3 E: _$ |( f - -webkit-padding-start: 0;
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- a {0 l$ Z4 M8 r- f
- text-decoration: none;: Z0 d4 C6 Y2 w, z# X
- color: #ED3E44;% s6 v. ~2 n( m G
- }
8 t0 S4 B& k$ Z/ U* e - .nav-item {* I" Z# Q" E8 y8 g
- padding: 1em;9 m# M- v2 `0 K, V
- display: inline;
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- .nav-item-dropdown {
* c* ~0 ~. Y7 J2 h: O6 l - position: relative;
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- `$ e. ^( L; K) ?3 Z5 I1 r% L - .nav-item-dropdown:hover > .dropdown-menu {
- U) E |9 V p) n E: |9 z' o - display: block;
* l* S3 o6 {0 P* _- u: B3 _ - opacity: 1;, t6 ~6 q' _1 h3 b
- }; `: R# _- U7 | U& N" w
- .dropdown-trigger {- C' |( l% A9 q% r
- position: relative; T9 l5 O6 @1 N" k+ V% U: W9 P
- }
) P4 a! J/ E. U& v, b7 k" K8 Z2 G - .dropdown-trigger:focus + .dropdown-menu {$ d9 u! F O8 i( y: K
- display: block;
- t) S. R5 ?4 y3 T* l6 `/ ~. n - opacity: 1;2 g" A6 ^) ?5 P
- }3 m# ^2 |+ R. M' E
- .dropdown-trigger::after {( ]0 L8 G2 N( s. H/ e
- content: "›";
' k$ k5 [9 j# G - position: absolute;% X0 Q+ d+ S1 @7 _ Z+ x
- color: #ED3E44;) v$ Q) ]+ `" U
- font-size: 24px;
4 H( z) t2 O; I) N \ - font-weight: bold;
) s* ^+ G2 B0 `" s( P - -webkit-transform: rotate(90deg);/ R; Y. }3 [6 u! ~8 j
- transform: rotate(90deg);; x8 `+ m, r% V4 o$ C' p
- top: -5px;! t% f5 i5 r1 b% S8 c1 f* l
- right: -15px;' c5 E) y$ z% X' O) y/ G
- }! m. r. R6 S9 N- B C
- .dropdown-menu {
; ^1 ^1 A4 q: W' \6 T9 F5 a - background-color: #ED3E44;4 ^/ X; t/ Q% B9 e
- display: inline-block;
! p2 \' z# A; A+ f - text-align: right;
% y: U+ |) b0 J( J2 P - position: absolute;
$ {' J- |; ^# D0 J7 a - top: 2.5rem;
3 b: s" F$ k4 [ - right: -10px;
% L8 `$ E7 v4 L0 m( l - display: none;
& x' M4 \" T) m% X& l/ \" e* ^ - opacity: 0; [7 `2 B7 `* X
- -webkit-transition: opacity 0.5s ease;
* z/ j" ~: w+ p; i# ?2 p7 m- { - transition: opacity 0.5s ease;
. [( f7 t; E+ m - width: 160px;8 a& g# C6 s& A
- }9 l! h, U9 H, Q" w* l
- .dropdown-menu a {
6 t) W0 Z; q3 x! | - color: #fff;
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- .dropdown-menu-item {. t$ j$ t' Z" O5 K U
- cursor: pointer;
, B& a d7 F# ~5 a, r - padding: 1em;; e' V" X' @! {' s m
- text-align: center;5 P" t J3 s [& E
- }
2 [& S5 q3 G8 P - .dropdown-menu-item:hover {, r; H6 _$ x" {+ ?- a8 |
- background-color: #eb272d;
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复制代码
5 e7 t* c6 C0 \2 z* Z. ]可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">- z3 X& e8 h Z; ?8 I
- <!-- Checkbox toggle -->8 ^# s6 t7 c: V& [/ J3 \* o- C5 m
- <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">
5 A+ f* \# P# T" C2 S1 x0 s! h - <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>) D/ d4 { W6 `/ u$ W9 j4 }
- <!-- Content to toggle from www.mfbuluo.com-->
, t9 b9 N p v' f# J# N - <div role="toggle" class="toggle-content">
9 A" e' i% e* O* v M" g - BA-NA-NA-NA!1 C) E2 ], d. c+ n9 a3 h
- </div>
# Y D' _$ J: m - </div>
复制代码CSS代码内容如下: - .toggle {
4 {" t8 ]: l! ~" {; Y! B K - margin: 0 auto;6 A9 `( v3 G8 a9 S" U( f
- max-width: 400px; |. ?5 k0 }( G8 M3 ]% h6 Z
- }
2 _/ c0 X9 r/ ^, z - .toggle-label {
3 U! p- b) N- ?: N" O - font-size: 16px;
5 }5 d5 u9 n8 n6 x$ S6 G$ g+ S - background: #fff;
, @7 {# Y2 b9 k& N' M - padding: 1em;8 {) Y( n: k) |" M7 ?
- cursor: pointer;1 \4 G# E. A V: |' K0 T% I* ~
- display: block;* C5 K6 N- f* o" K
- margin: 0 auto 1em;
2 t9 ?. m) Z J' [- C - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);$ \) S) K9 Z1 Y0 A6 W" Z
- border-radius: 4px;
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- .toggle-label:after {
! y2 l. r+ |9 l - color: #ED3E44;
% A/ I; r+ l- z+ J, @ - content: "+"; j/ F; n" T* n7 g* n
- float: right;6 q# W4 h# Z# \7 t: _4 ]5 Z# q4 _) I
- font-weight: bold;
: E: ~& ^! W r - }
H/ I J% u* n! o% a - .toggle-content {
* o" @5 e8 l7 y+ U8 z - color: #B0B3C2;
% J c7 u- j" q8 I - font-family: monospace;
+ ?5 v+ j' @3 A: Q - font-size: 16px;
6 k1 p2 e! G( r - margin-bottom: 1.5em;7 E1 z0 v& U& R
- padding: 1em;, y- R6 V4 ~7 f+ D9 Y# Z
- }
/ M- a2 Y! R& P2 p' k - .toggle-input {
4 B' ]/ q# o: _$ _' C2 e8 L - display: none;
6 D z* G9 ]- ^6 b" ^, [ - }( k8 G/ M0 z/ @
- .toggle-input:not(checked) ~ .toggle-content {
y4 e) }% i7 U" F2 U; u6 F - display: none;( M; W& {/ k, D5 a9 ?
- }3 B. f. y5 V" E. k, t1 R
- .toggle-input:checked ~ .toggle-content { J9 J! Y! P& \4 Y+ z9 \ u
- display: block;
: w/ D" L+ X- J8 [. R - }
+ n: l* D* Q; x# A2 h/ |, N - .toggle-input:checked ~ .toggle-label:after { d2 Q1 K) |* R) l
- content: "-";
v& ]- f/ h& @& e( _* t! h - }
复制代码 8 g+ z" N2 h. t( ^6 J2 B2 O* L0 I
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