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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!">
: u. v7 Q8 [ _3 }: a4 p3 s - Label for your tooltip/ U% ~2 K- @. w$ p* F1 r
- </span>
复制代码CSS代码: - .tooltip-toggle {1 b; Q! w7 y l- S
- cursor: pointer;
4 Z: x# f# Q) O, R% p: U7 C7 u - position: relative;
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- .tooltip-toggle svg {
) k. A! j/ H) ^+ D8 k. f - height: 18px;+ L/ r" l n x) O+ J* b& M
- width: 18px;
! h0 z$ F2 k2 O- V5 @& ? - padding-right: 0.5rem;
I i6 s& [1 c& a3 C. ] - }
7 l3 g4 X' w* M+ |! b - .tooltip-toggle::before {' E9 N7 Z3 `, l( m
- position: absolute;# w8 T( F! D( D
- top: -80px;4 Y$ x" Q0 M& ^" Y2 L
- left: -80px;
) {) N o% z* @ - background-color: #2B222A;4 u! T5 t- \5 o; o: l. W
- border-radius: 5px;
) d# u( \/ v! z. W - color: #fff;7 { c3 ^) K. f0 _
- content: attr(data-tooltip);
% m f0 X3 v7 ^7 q - padding: 1rem;3 S6 `, r8 |; r# j+ M1 E' e
- text-transform: none;
2 N: g( T l6 V/ }1 W - -webkit-transition: all 0.5s ease;; j. b! L" F+ Y( s) d x
- transition: all 0.5s ease;% D# \$ ^! M" d4 I; i( Y& M& I9 y0 {
- width: 160px;! D! P" m/ e% ~ h; }3 T# R" c
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- .tooltip-toggle::after {
0 q0 E8 s% \- i v; L; c2 g. W' b - position: absolute;
, [: F& J! G: b. Y - top: -12px;
2 _$ g5 @( H* F - left: 9px; q4 W( f; b- ~1 S' X' {5 y
- border-left: 5px solid transparent;# {0 x) i5 m9 j3 ^$ s' L" M
- border-right: 5px solid transparent;
/ W" m, |3 R+ U! P - border-top: 5px solid #2B222A;2 N; w9 D! T2 q N: W- D) I P7 l
- content: " ";
, ~0 S1 p4 R! C8 c8 w3 o - font-size: 0;0 m5 D& f7 [, c( g8 F6 f, A% d, J2 v2 j7 l
- line-height: 0;& d8 a% S: u3 N, |! j) M0 [# ~
- margin-left: -5px;
* n* \5 R6 e, k7 N6 V& ]; J - width: 0;2 \7 f7 V& `9 Y; T$ m
- }
3 u7 n4 \% M) }. a3 N n - .tooltip-toggle::before, .tooltip-toggle::after {9 |. l& Z4 w8 n9 t: `
- color: #efefef;
/ M$ z" B. F8 @; V* d - font-family: monospace;- K6 M. \8 b" M3 b
- font-size: 16px;2 U r0 N, `0 B5 A- o
- opacity: 0;: {8 r6 R& U! v) L
- pointer-events: none;- I# z3 M7 d/ _) k
- text-align: center;" C9 h) B$ t7 i
- }
1 `- K. ]3 u6 d* }3 C |5 i6 P# d3 ` - .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {' \, j/ i! F" e
- opacity: 1;4 V2 M8 ?/ j: b8 C
- -webkit-transition: all 0.75s ease;
% q7 u8 ]# H8 w- N6 W! E - 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">
/ P T o( s" S' K: \' y. I1 T - <ul class="nav-items">) \7 Q/ x) S/ E6 j+ F# ^
- <!-- Navigation -->
7 N+ g1 |$ m3 S& q/ Z8 x( ]: B: h A - <li class="nav-item"><a href="#">Home</a></li>) s# A( `. i: X* N! w% [$ i3 X0 \
- <li class="nav-item"><a href="#">About</a></li>
/ A# M) s% Z9 n+ R# M - <li class="nav-item"><a href="#">Contact</a></li>+ v9 t/ W+ T5 S* p+ Z9 y
- <!-- Dropdown menu -->, T& I$ p8 s; d" }# P. S
- <li class="nav-item nav-item-dropdown">+ U( r, ]1 r O* o7 V
- <a class="dropdown-trigger" href="#">Settings</a>
2 p7 p( I, A+ p9 p2 t( p. Y2 M - <ul class="dropdown-menu">
2 T# }) ]; s1 o - <li class="dropdown-menu-item">. v" e# I% H+ q4 `8 }( M; U' H+ l) B
- <a href="#">Dropdown Item 1</a>+ {) y$ U! Q5 v+ C
- </li># O" M- M( s) A5 G, _# w
- <li class="dropdown-menu-item">
/ S4 j, B8 m: D$ z; `1 q/ X - <a href="#">Dropdown Item 2</a>
' t; d5 k1 k& U M" R9 T& l - </li>2 h' T; O1 ` g& `* q: h! `
- <li class="dropdown-menu-item">9 ?" J+ i* g- s) y
- <a href="#">Dropdown Item 3</a>1 y' k6 A7 k0 {0 E4 u
- </li>% W f; W& r$ i
- </ul>3 h# x2 g1 O* j
- </li>: K. F" F; C4 v, o& a
- </ul>7 ]5 i1 C6 a( `( ]$ |5 s: ~' C; g
- </div>
复制代码对应的CSS代码如下: - .nav-container {& z) D' j3 F% U6 e
- background-color: #fff;
1 f, q+ j' ?2 c& F2 p/ u2 e$ r& W - border-radius: 4px;
6 C: r2 w1 u3 i, K - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);' k& i' Y( Q6 q5 T
- padding: 1em;
! W) ~% j6 I) ^; e - border: 1px solid #eee;$ X' B5 V3 s; J. M! @. u6 k8 U* U9 a
- display: block; n7 a1 i, d! P, Y5 V
- max-width: 400px;
4 u: x g" y7 y) @8 z& j- c* d - margin: 0 auto;1 y! M8 X) g3 [4 T. \1 r
- text-align: center;8 x+ C7 k4 l! E8 W$ ^; [
- }6 C {5 S$ n& g9 |6 v/ S1 m6 x7 u
- ul,
, p) L! X# n0 Q& K6 f% p/ P( O - li {9 B' D* x, H/ ]3 A2 H4 p) q
- list-style: none;& R& S- q: m: m' V2 {
- -webkit-padding-start: 0;
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- a {
( y Z% Z7 T1 y$ F - text-decoration: none;7 C8 z! N9 y$ ]. e
- color: #ED3E44;
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: _' ` `# z" A' F6 W6 Q - .nav-item {
" a9 s/ s5 a i# E - padding: 1em;& ]- m9 i! @7 p
- display: inline;6 I. l: ]* M# ]
- }5 k d& v' m+ ~. [. ?
- .nav-item-dropdown {, S( {" ]$ ]* ~+ h' ^8 h
- position: relative;+ z% v' e6 g6 \, F8 o% P
- }
4 d8 j" {9 W! ]9 G. F; a - .nav-item-dropdown:hover > .dropdown-menu {' P3 R6 s. a! v- \7 e( N% H
- display: block;
$ Y" q# Z# O! `' j; L; U8 y - opacity: 1;
" |4 [* Z/ |7 h5 S- s% a - }
/ u" p d/ `* U& S; c - .dropdown-trigger {
1 p4 W7 S* _( {3 |8 g- N- I9 }* V& k - position: relative;' k2 ^2 _# o1 E3 V2 f
- }, ]) J- c8 ?3 ?7 p) `* K% w
- .dropdown-trigger:focus + .dropdown-menu {3 T% P6 _, Y- O! r/ g4 N% Q5 Z
- display: block;1 Y' |5 @3 T, b: X* q. h1 O! v1 [
- opacity: 1;, d+ h9 i1 g" P7 {$ F* u
- }
3 y2 p1 T- k4 s6 { - .dropdown-trigger::after {- d& ?8 `0 e5 _3 l# o, A" r' H
- content: "›";
& M5 R, O9 b* a0 e - position: absolute;
" h0 X& k E* {3 @" w& w$ p5 b8 Z( l - color: #ED3E44;% m* U( D! J+ M5 l
- font-size: 24px;
& D1 |( v. r8 ]5 o- ~ - font-weight: bold;
3 u& b3 M% a3 t4 E - -webkit-transform: rotate(90deg);
1 W4 z$ k; F' R2 K/ i2 b6 [" G3 b - transform: rotate(90deg);
# F$ e3 a( _/ k {' ?9 w6 ~) h - top: -5px;1 t# `5 B) q- i2 U
- right: -15px;) t" I! J- L0 n; ~# Z+ R$ h
- }9 ?& h( k6 }2 e$ `2 T5 H
- .dropdown-menu {/ y4 z1 }% B% z, t) [' T- r$ |
- background-color: #ED3E44;% b8 @) G4 i, O+ ]! J
- display: inline-block;1 H+ h# Q- c0 G4 j
- text-align: right;
% ~5 `4 y% {3 F4 c1 k# Q - position: absolute;( I1 g1 M6 w; L5 U, }
- top: 2.5rem;) H$ P2 z1 _, J+ A, w- ]* q* j+ E& L1 g
- right: -10px;7 E8 V; q- {6 o0 S
- display: none;
; W- m/ V. L: x - opacity: 0;
5 b: A% Z& u& s6 `# t! J - -webkit-transition: opacity 0.5s ease;$ T* I: m. F# O: V2 Z
- transition: opacity 0.5s ease;
3 X: g4 C) D* ~) v8 o( } - width: 160px;
' w6 A' [/ L) U - }
" Z3 n8 e+ h L5 s2 N7 J+ x0 S - .dropdown-menu a {
; t5 I- b0 o3 L% o - color: #fff;1 g+ p% d! z0 h [# o: w: i" C8 x( C& _
- }
! _# ]" l% U7 f6 g. n7 @2 V - .dropdown-menu-item {
1 V$ n8 @% M- n% G5 R! P* @ - cursor: pointer;
: w" ^9 A2 M2 u! [+ k2 ` - padding: 1em;2 d/ [* g" h& I7 ?! R0 x/ ~- R
- text-align: center;- p0 g* v; ?0 i- Y" b/ b
- }8 L# c D+ A D& m3 p+ d4 X
- .dropdown-menu-item:hover {5 A" |2 @4 N; [) q9 k6 h8 h* P
- background-color: #eb272d;2 a* t t7 Y7 {' a5 T y8 M
- }
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可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">
0 H! B( F/ R: L+ }# S1 A - <!-- Checkbox toggle -->
# i$ s5 J8 M% v# T% F5 {; I - <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">
: c6 l' p$ k$ l* s$ E8 a - <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>$ ?' K% g h7 G1 l3 u, [# t/ _
- <!-- Content to toggle from www.mfbuluo.com-->1 O9 \. o+ `& f- t
- <div role="toggle" class="toggle-content">
% z) h/ D6 D! [; G2 f - BA-NA-NA-NA!0 }0 _6 k, s3 P4 [8 d/ k+ r
- </div>
, I! v" g1 k: ~) H6 g - </div>
复制代码CSS代码内容如下: - .toggle {
0 e7 B- i' L" v' }* k& w - margin: 0 auto;
8 g+ H/ |% ^* w% l3 b2 B - max-width: 400px;
8 W- J9 @8 q( l0 N( {% y% S, T; s4 ? - }
" q5 Z( [8 P \6 w4 {; O - .toggle-label {
0 i: c/ R6 s( a, m( d6 T' a: @ - font-size: 16px;: k3 c/ d+ m$ v
- background: #fff;6 r6 m* ?5 |# S
- padding: 1em;; l7 Q- ~7 }8 B$ S& C! W
- cursor: pointer;
) F2 ^6 X) |( ]4 i* A1 U - display: block;
! g) I, G2 c' L/ m1 e: |/ o - margin: 0 auto 1em;/ J* ]5 `$ a* ]# J' N$ ]
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
4 ~$ i: z l$ A9 g' m7 M% @ - border-radius: 4px;- g7 B0 t. E8 n8 K* _ X
- }
3 P" o: L' v4 M) [' {6 c+ |6 N - .toggle-label:after {
8 v) ?' l$ r) I2 J6 _ A6 ~ - color: #ED3E44;
3 l k/ Z l$ o% {; f2 d - content: "+";9 J) r6 J6 M. y, J+ F
- float: right;
9 t4 v& ~- h% x s8 M0 S - font-weight: bold;
, o% y5 {, K+ p( c* K+ f - }
w3 G- I: v/ e3 w, B, ~$ \' m - .toggle-content {& J$ I6 u$ d8 }
- color: #B0B3C2;% i) E, ^1 g0 A2 \2 k( N
- font-family: monospace;
2 p9 u: D! Y/ [7 k - font-size: 16px;% D w& C* p: d6 B
- margin-bottom: 1.5em;
2 `) i/ W! A# B- A" e3 I1 S - padding: 1em;
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- .toggle-input {
( y7 G' g+ U" c3 E - display: none;
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- .toggle-input:not(checked) ~ .toggle-content {
- E4 J7 e+ t% W% } - display: none;( j! o* U( _8 T& g& ?- U
- }8 R5 ?6 X9 y+ ]( K1 w0 N2 p& n
- .toggle-input:checked ~ .toggle-content {
; G- A+ I& c9 F4 H( O% o$ ?: v - display: block;
B0 u+ z4 `4 v+ B& [2 ~ - }. D) X( J7 M! S
- .toggle-input:checked ~ .toggle-label:after {9 w9 q ~5 S, ?! a$ `( D+ x
- content: "-"; K/ D: A7 S! Q" [3 h' B
- }
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