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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!">/ O2 h5 N8 A6 K5 Z2 D
- Label for your tooltip
9 g" U& Q% C; | H - </span>
复制代码CSS代码: - .tooltip-toggle {8 \8 M" E# R0 u8 |. \ z
- cursor: pointer; _2 t3 l6 f/ G
- position: relative;
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- .tooltip-toggle svg {) q5 w& D, i9 c. O3 W) b
- height: 18px;
# p7 I( C( \$ x) W' Z: ` - width: 18px;
7 n( q" I9 G$ i - padding-right: 0.5rem;6 W; G) p' Y: k$ r
- }7 k* b% X# _4 s* m6 m
- .tooltip-toggle::before {
( W) w$ n/ h4 G4 b; q$ x# ? - position: absolute;
7 r- V" p# }: S+ K - top: -80px;' E x! [! f+ z* i/ o
- left: -80px;
- ^! B/ p3 I7 F( M - background-color: #2B222A;+ U# Q7 w3 Z' Q% v0 g% i
- border-radius: 5px;
) U( p e* R9 h* B W - color: #fff;
: I- ~6 \& T Q/ W6 p9 |& k5 ] - content: attr(data-tooltip);
; H, Q. _* {& R! |, t9 u( O3 O" y - padding: 1rem; y# c: w; E7 s# g) t6 F3 a, K' H
- text-transform: none;6 ^& R7 o7 H+ t% `
- -webkit-transition: all 0.5s ease;
- Z4 Q! T1 m( X3 E1 L+ @3 i - transition: all 0.5s ease;
% n+ V7 u- j0 N' N/ o5 K* W# a - width: 160px;
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- .tooltip-toggle::after {& i1 u1 Q( R) X
- position: absolute;) A. \- i( x9 e8 s& Z7 H
- top: -12px;$ p; {8 e5 b Z* x, J2 B2 Y# Y
- left: 9px;/ q1 d# R. V3 M. s$ W9 P
- border-left: 5px solid transparent;; j$ Z3 h1 o. O" q( ]
- border-right: 5px solid transparent; k1 B! |4 ]/ p5 H A
- border-top: 5px solid #2B222A;
+ C/ ]7 J* J2 m3 N - content: " ";
5 n/ ^7 m1 C% D( |/ C: G' D! y - font-size: 0;' i" ]) H& H, l) k- n9 i- l
- line-height: 0;
8 I- P* `2 ?0 A/ G: y* }0 c) P - margin-left: -5px;0 k* U S6 c' G: ?4 G, ^
- width: 0;( G( m) K+ z% ~* v7 T# r/ |" f& d
- }4 H1 k& }# {) {# V, B3 T& |$ ^
- .tooltip-toggle::before, .tooltip-toggle::after {
1 Q; y1 C. ~; n) C: X - color: #efefef;7 {+ }( e3 c) _# F8 L- O, k# y% h
- font-family: monospace;
- H" r. w# b- w - font-size: 16px;
0 d P% D8 P+ m, N! L+ ` - opacity: 0;7 q& p+ |; Z E/ R% a5 ~& @- Z
- pointer-events: none;
2 H1 |- [' N$ U3 M7 Q8 Q - text-align: center;
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: G% f; W/ w! m2 \- s1 @ - .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {
3 w. S: c: ]% [- T3 |. E h - opacity: 1;
6 ]6 @; D/ b) M }# d) ]# N) V! Q - -webkit-transition: all 0.75s ease;1 I) A" D, J# i) O3 l* \( I* L! H2 _
- transition: all 0.75s ease;
- {( U- Q/ l) y, J+ P - }
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">
4 l7 h; Q1 }- v - <ul class="nav-items">
9 N8 @( r; B" U( i$ Y - <!-- Navigation -->
: T' q% f' u2 M2 \& S) x - <li class="nav-item"><a href="#">Home</a></li>1 k& J* h0 Y- e
- <li class="nav-item"><a href="#">About</a></li>
0 _' W) X$ Z7 k: R, J# j - <li class="nav-item"><a href="#">Contact</a></li>
3 S; c/ H7 t% L7 |7 g3 q - <!-- Dropdown menu -->2 v$ ^5 U/ @8 H) a6 z$ s5 Z1 J- {
- <li class="nav-item nav-item-dropdown">
& ^+ H* J) z, u$ w7 p - <a class="dropdown-trigger" href="#">Settings</a>* e& ^* j0 F3 L; d$ N3 i5 K1 j
- <ul class="dropdown-menu">
3 D. m4 r) d7 g - <li class="dropdown-menu-item">6 x! M# P8 V4 ]4 u
- <a href="#">Dropdown Item 1</a>
. K9 x4 R* M2 w% t - </li>
- f* @ f, Y$ |" w k0 E I - <li class="dropdown-menu-item">
5 O8 t8 V$ v( l/ f: a/ ` - <a href="#">Dropdown Item 2</a>
6 T! d+ R0 t( |- ] - </li>6 P: w! K( G0 O3 T
- <li class="dropdown-menu-item">
9 z Q: N4 x& \6 \" C7 E# L - <a href="#">Dropdown Item 3</a>: d. j; p% P* r. Z
- </li>& i% u. `, H) [* s( F9 b6 y$ Y
- </ul>
7 _1 E. x* ^* y: ~% A - </li>
5 G5 L3 g* o& `$ p5 S; k - </ul>
: S- m3 a; A- k - </div>
复制代码对应的CSS代码如下: - .nav-container {1 Q1 T" Z0 ~, h' z) U3 N& }
- background-color: #fff;* d4 I$ G$ a4 D# y V' b) C) f5 Y
- border-radius: 4px;( }1 j8 G; c$ ~( G5 [* y
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);. ~3 ~% l6 x0 e/ J
- padding: 1em;; }7 z& h# i- |2 V
- border: 1px solid #eee;
# ]+ h/ c, ]* V2 t - display: block;3 _$ m [% r. I
- max-width: 400px;
9 B$ d- u! y. A2 b5 g, ?- X - margin: 0 auto; _ R9 x( c; [1 o. J
- text-align: center;# p+ x% g, M0 d
- }& [! n! I8 I0 a) h
- ul,
: C+ D, V" ^& S: v - li {0 B! ]. q: d: z* I' g- m& ]! Y
- list-style: none;8 M$ B- L) p& r3 E
- -webkit-padding-start: 0;- I2 r: L" u, `- S8 ?5 b. A, Q" r
- }
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- text-decoration: none;! A% ]3 t. W( m) Z# Z% y# ?
- color: #ED3E44;
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" P2 t, z, K( X% n - .nav-item {
) Q& j* g2 U# f" W - padding: 1em; c- I, m* E; x. _- r
- display: inline;
. ^ ]; ]1 q' }6 z1 N( p- W - }
' I) T! |& t. S/ h - .nav-item-dropdown {
1 H6 ~4 G) t& r+ S - position: relative;: v* s. j, T( }
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- .nav-item-dropdown:hover > .dropdown-menu {
6 ?$ ]( E0 u1 h8 C6 p; P - display: block;
/ r% I" G$ K& x# | - opacity: 1;/ n4 h0 i1 x8 k6 @7 _; [
- }8 P' Q* R" a W! v5 d. b# U
- .dropdown-trigger {
8 U% l" Y( L4 c- v - position: relative;& @# @; e! f3 P2 g
- }
0 d& G! @. W- `6 N) x- P7 k4 C - .dropdown-trigger:focus + .dropdown-menu {& h- A/ d8 ` h# i c; [
- display: block;
, t+ z3 m0 V5 D* S' w2 {7 a# N* P - opacity: 1;
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- ]2 A5 L$ m& l/ P" _ - .dropdown-trigger::after {, U' t# Y3 @/ u* w
- content: "›";7 M1 Y2 o! n8 \: p4 x: n V
- position: absolute;
# D7 v; J& w. O - color: #ED3E44;+ w+ _1 s7 H7 [3 B
- font-size: 24px;- x0 Q5 S8 D1 {% \3 K/ y ~
- font-weight: bold;7 O: I$ M! n N2 Z) k# h
- -webkit-transform: rotate(90deg);
+ b+ |. A2 v- a - transform: rotate(90deg);- d1 B. f- f8 {
- top: -5px;6 _- I7 s' `! k3 b* k0 d
- right: -15px;! u% \3 F0 I+ @: U
- }+ @8 F% l8 v k, _, @( K! ?
- .dropdown-menu {
; v. @) o" D+ B& Y; k - background-color: #ED3E44;: c* @( S: n8 j1 P. i
- display: inline-block;) s, d$ q* }* s( S6 v5 q+ R7 ?
- text-align: right;
v& M# y( \$ Z/ {* F9 h - position: absolute;6 p/ O4 ~2 W6 u
- top: 2.5rem;" S! \2 v; g# @7 ~1 }
- right: -10px;
' z7 h1 F* `' e1 r7 f: M* M' d - display: none;7 m+ B" z0 n8 m; n( _
- opacity: 0;
- R4 g5 D9 D" e, J& P - -webkit-transition: opacity 0.5s ease;
$ p- j1 _1 o6 O+ j) Y$ M1 z - transition: opacity 0.5s ease;
0 ~0 d/ t6 w/ C( e - width: 160px;
`. s( O, K' V - }
- a6 r. G# L' g9 [ - .dropdown-menu a {
' k F% o3 o/ u' ]" F5 \! I2 n - color: #fff;
3 n7 x8 I3 z y2 c - }
, w3 K% H6 X E! V9 | K E - .dropdown-menu-item {
: Q C# c3 t& Q( c9 ` - cursor: pointer;
4 {- ^5 K3 e" f, x - padding: 1em;: e% J0 P8 \( w$ I9 ?
- text-align: center;
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) {2 ~" l9 C' Z/ ]& b6 U5 y - .dropdown-menu-item:hover {
3 P7 x& a# u; a7 H% z. V \ - background-color: #eb272d;( J- c8 b4 L. ~- g! ]
- }
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, S* G8 T4 y# s$ j# Q7 l可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">( G9 x6 @; ^, S
- <!-- Checkbox toggle -->* g7 [7 C9 V( J1 Z8 `
- <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">& m: J- `+ {6 |) f% k
- <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>7 ]. h# {* A6 x! ]/ \( s, t9 n% k* C
- <!-- Content to toggle from www.mfbuluo.com-->
[" B# \) D9 k$ q) g - <div role="toggle" class="toggle-content">- {2 K9 a9 t j1 L
- BA-NA-NA-NA!* L9 c) W3 ?9 }6 j: s: I$ P L
- </div>! d; ]! Q5 Y6 X& E- K k% X6 p
- </div>
复制代码CSS代码内容如下: - .toggle {
0 ~$ A# _" U/ n0 p! S; l' E& p. _ - margin: 0 auto;; S* h* Z K- v
- max-width: 400px;6 h$ ^, Q/ Q: F* B! J
- }; H& n6 v: \, V0 I6 K( W
- .toggle-label {
. ~! C/ i) r( T7 A, h, l - font-size: 16px;! b7 l3 k: W9 G+ i2 m" M# K
- background: #fff;
5 v) @4 A; }5 M0 V& I y" | - padding: 1em;. n0 E3 ?+ Z; T. f" F2 ^! r
- cursor: pointer;
- z3 x/ \. k: [* f$ l5 V( z8 O - display: block;! f6 l9 y, Q$ a1 `* S0 ^# O
- margin: 0 auto 1em;
4 ^, o& }) P' f- L t* w, j! H - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);) x, \; m- n5 P& ~( s4 T1 K
- border-radius: 4px;5 R2 V9 @! `# F, D% |
- }
3 l' K) v1 b; \6 a3 a; k - .toggle-label:after {
. R( I+ u. E5 X1 _ - color: #ED3E44;
2 v/ j5 Z1 h+ d" R - content: "+";' `" s. N: }& g
- float: right;9 i2 m8 F" c4 M- K5 c/ b
- font-weight: bold;
% s2 Z! R, p5 `5 {% ^9 T" R l! r - }
) Z+ x! [2 |, {" h# Y$ E( d w. _( c - .toggle-content {/ X% c$ D. t" b8 K8 m8 |
- color: #B0B3C2;
0 b7 L! l. t4 k- O9 K" @# s. z/ j - font-family: monospace;
' K* r0 [9 x2 O1 D$ G' Q, w: h y - font-size: 16px;1 I; H+ ~0 V$ G$ s* d& c
- margin-bottom: 1.5em;
( T0 T4 G' e: U- U - padding: 1em;$ Y% `" e9 h) n1 |
- }& w$ J, d1 g& g
- .toggle-input {. a# D( \5 R1 R0 i0 W: b. X
- display: none;% f) K; k0 e7 V& p3 w
- }
2 p0 a7 o: `1 T, o - .toggle-input:not(checked) ~ .toggle-content {9 C1 d( F* w6 X
- display: none;
: U$ c! z, Z" A W) m5 R4 p - }0 w7 n8 f4 R3 G
- .toggle-input:checked ~ .toggle-content {
8 f$ x5 N, W1 Z& h2 [& @9 x/ c, \7 U - display: block;
6 p. v3 ?6 v2 ]/ t; E - }
8 B; ]% Q) E) J! h2 r& Q - .toggle-input:checked ~ .toggle-label:after {! K4 s% |+ g0 V* q
- content: "-";: S/ Q9 }$ c: ]) A2 K, c9 a! c
- }
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