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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!"># m4 O$ `4 P+ F, J
- Label for your tooltip+ ^ E' K, I# z$ `. I, P: i
- </span>
复制代码CSS代码: - .tooltip-toggle {2 F3 U# S, S- i3 a
- cursor: pointer;" O7 U# r; ^3 V1 {8 R0 N- s
- position: relative;/ {3 J- c2 p. R9 ^9 ^
- }1 ~$ q% l- ~( _6 _6 g i) \
- .tooltip-toggle svg {4 W' g0 D5 }; x6 Z) e0 ]
- height: 18px;
) a" }( r; E! n2 x - width: 18px;
g# b: L, }% G( B0 D3 a3 @ - padding-right: 0.5rem;" V3 m- g0 p+ p& m& l' \6 \
- }
1 C' T. \5 G) l) C: F+ E - .tooltip-toggle::before {
/ D d1 V* e; ^. J2 w( Z" X% M& P6 x' k - position: absolute;2 ~' L; l4 M3 x; u$ H# M) D/ { X
- top: -80px;
+ A8 I7 [+ T d9 E) p. h - left: -80px;
, E; ~' b1 v# R2 j5 z9 B - background-color: #2B222A;' B J2 `2 |2 [5 U
- border-radius: 5px;
& }7 `7 w$ D+ J* A2 t% T; l% M - color: #fff;+ P! B$ |- y3 j- R% A& M
- content: attr(data-tooltip);
: R2 n5 x$ }, ]0 f4 {# \ - padding: 1rem;
8 C9 U% R l8 w6 D; A, |( P - text-transform: none;
! g" D- T" ~7 c) N8 v - -webkit-transition: all 0.5s ease;7 u9 f5 J% C3 e- q
- transition: all 0.5s ease;( F; d6 y* x6 A$ M. {* A: i
- width: 160px;
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- .tooltip-toggle::after {
3 X1 v# ~/ h6 a; r0 E7 R" p - position: absolute;
8 w. [) H" w3 x# S* K& S/ Z - top: -12px;# i+ `! U3 \/ Q2 @
- left: 9px;
9 V- Y0 {/ i7 q0 ]# m; P - border-left: 5px solid transparent;# ?, @1 A5 ?; w
- border-right: 5px solid transparent;
! q# p5 ?% J+ a- n2 ~" |% G - border-top: 5px solid #2B222A;
& ?+ c3 @1 j3 o! d" d4 f# f - content: " ";
( O" }$ R0 P% z2 ?- d/ g - font-size: 0;
; W5 j. S( W2 h, Q - line-height: 0;5 U. B/ L+ l$ ?
- margin-left: -5px;/ ^$ b6 s- r# C8 i8 f* t3 O! V
- width: 0;
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- .tooltip-toggle::before, .tooltip-toggle::after {
0 H8 M7 N1 `$ _2 C: z6 s- T - color: #efefef;
* v' E) a( |2 E; M - font-family: monospace;5 u1 w Y! K+ `
- font-size: 16px;
: B4 K+ a& K6 k - opacity: 0;
5 N( F" \5 v; V! `0 I$ U2 | - pointer-events: none;
/ e. ^1 a% c. p+ j7 {" j - text-align: center;
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- .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {
* d1 t* u- F: P6 a K- j - opacity: 1;& n/ b8 e0 X# Z7 F, d+ o
- -webkit-transition: all 0.75s ease;+ N, L5 o$ D* b
- transition: all 0.75s ease;* {9 r) o# v7 n% `1 X O+ q8 p4 w
- }
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">
Z; E( L4 w* l0 |' K0 y4 C - <ul class="nav-items">: x5 H% x: K% e9 @" b
- <!-- Navigation -->
, k6 p' x) ?# D. ~1 k - <li class="nav-item"><a href="#">Home</a></li>
: d% u, V( b( v% ^ - <li class="nav-item"><a href="#">About</a></li>5 f+ S) J: {+ y+ _- X0 J" |
- <li class="nav-item"><a href="#">Contact</a></li>
/ v9 i% Q& N! u" G% G, u J - <!-- Dropdown menu -->7 r. M0 Y, D: T3 \% T. E
- <li class="nav-item nav-item-dropdown">1 y6 ^9 ]* ~" ]
- <a class="dropdown-trigger" href="#">Settings</a>
. A+ Z" i' R$ s8 [$ p9 t" O - <ul class="dropdown-menu">3 e- M. f5 |6 z) ?+ ^
- <li class="dropdown-menu-item">
# }$ _0 d$ s* s; e2 ] - <a href="#">Dropdown Item 1</a>" b1 h; M! y; }% } {- w7 g8 K6 H& i
- </li>6 T4 a M9 l4 t) l1 m: [
- <li class="dropdown-menu-item">
( [4 @; B2 Q0 D r R2 L: y - <a href="#">Dropdown Item 2</a>) N' M5 {. l7 T$ ]
- </li>
# o$ R# D1 X' P2 { - <li class="dropdown-menu-item">- e/ v M6 s. T7 @8 g
- <a href="#">Dropdown Item 3</a>9 s/ w$ h' z2 @$ M" b8 v
- </li>
- r5 Z2 O! S$ W - </ul>
4 q7 _ Z* J: l3 f1 I1 x - </li>6 }* H3 T1 M; Y( r. w7 l% G
- </ul>
( N, h7 E i% F" q - </div>
复制代码对应的CSS代码如下: - .nav-container {% ~. S: U2 ]: E2 j# o( i9 j8 n
- background-color: #fff;
+ ]$ R3 `9 [. ^4 I) |; C# d5 z - border-radius: 4px;4 Y: k% U4 A0 a
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35); W+ y. b7 a, q
- padding: 1em;
2 N- ?* z; n0 `* q8 \/ }% D/ g - border: 1px solid #eee;
) ~7 V' B9 V. e7 I - display: block;: h6 c, c% `6 }1 c
- max-width: 400px;
8 I; U# j+ x% q- W - margin: 0 auto;' a) i/ n/ \6 [5 Q" F* }7 s9 a( l
- text-align: center;
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- ul," V9 s$ t; Q' ~% ^4 {
- li {
& ]& m/ O! a/ X - list-style: none;
3 i {$ d0 K- f1 G5 v1 ?4 j - -webkit-padding-start: 0;
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- k; ?& y o1 |4 t3 i; u* G- k - a {. c" E' n }8 l: T" I
- text-decoration: none;2 R7 V y7 i' Z4 K& I
- color: #ED3E44;4 ~4 c e% i9 _3 m$ x
- }
) ]7 i l9 o5 K - .nav-item {
1 K" E( S: A: z" G* U. P - padding: 1em;) T9 w; W6 ^' K& v t
- display: inline;
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- .nav-item-dropdown {
/ O3 T3 c. B7 [- c' o - position: relative;
+ J6 l3 N% l+ c- }$ c. q9 j2 s' } - }- e+ J6 @) B" S" G
- .nav-item-dropdown:hover > .dropdown-menu {
: Q" w/ M' p7 ], e( l" z - display: block;# v2 j5 j8 c! Z8 @
- opacity: 1;
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- .dropdown-trigger {' f4 X Z5 H3 K# n/ W& A3 k4 \
- position: relative;% E( l& M, ^0 o$ H0 v' F. n; P
- }
8 g6 W8 J H4 J: {5 u - .dropdown-trigger:focus + .dropdown-menu {0 E" ~) U# ~7 G! r
- display: block;( F) ~2 M9 {- H9 X, q) w9 l6 t
- opacity: 1;( J+ G0 R* c/ l7 u
- }
1 E' K9 b P# n, x4 J) r* v - .dropdown-trigger::after {* T" k; J. k& y5 R9 m0 O6 O( S$ }
- content: "›";
3 a( u4 b8 Q2 w. z( x6 `- m - position: absolute;
# o, m% g3 e8 W/ L - color: #ED3E44;
# Q) c8 a6 k9 }' ^ - font-size: 24px;1 D5 ]7 x6 V1 }
- font-weight: bold;
7 ]% X0 @! M/ F4 V, b% U c3 i* ^ - -webkit-transform: rotate(90deg);1 I5 l7 P5 a, `! E/ ?
- transform: rotate(90deg);
) E O# R2 u% f& E- y - top: -5px;& t0 R- v2 X* s- d
- right: -15px;
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- .dropdown-menu {* J! ~) D" I2 J) T! p
- background-color: #ED3E44;
1 e. K! c- Q- }$ G9 X - display: inline-block;( o7 W7 W+ _# L, j
- text-align: right;; i ?& q* Z6 a2 _# o6 ?+ `# Y
- position: absolute;
! ?0 ?! s7 A0 e, G% T# y" I5 m - top: 2.5rem;
6 M0 d6 b$ Y) Q0 f. E1 a - right: -10px;
/ r% Y- F) w8 ?4 ^$ L - display: none;( N( q1 M+ ^) W" S
- opacity: 0;
% G9 U, |' W; J% E0 ~# h9 ?6 E/ p - -webkit-transition: opacity 0.5s ease;
3 M' l1 ?) m, ]* d* e - transition: opacity 0.5s ease;
* [6 l' ~( L; O, Z2 s- h - width: 160px;( t, Q; u5 C+ t V( @
- }
9 J$ a/ q! p3 e$ M. a - .dropdown-menu a {
' _3 V, p, G+ O - color: #fff;
5 [& C9 q4 @: P3 e - }
- f: {) m5 A/ |$ G - .dropdown-menu-item {" P6 t' H" _ v( S) z/ |
- cursor: pointer;, Y( F$ Y2 u( ]3 ]
- padding: 1em;
% H6 P, i3 x- k3 Y+ q. {4 \ - text-align: center;
9 m/ m8 M1 E4 }! J9 w6 L1 s8 X - }
+ |4 q0 j# r+ ^5 F4 ~( K - .dropdown-menu-item:hover {8 v0 e2 r3 }. w6 o7 \- U2 o4 M
- background-color: #eb272d;0 w; } R# Z" L3 s* W- u6 Q9 S
- }
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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">
7 q6 E% x$ f9 I; h( O - <!-- Checkbox toggle -->, T% l$ U3 o; d2 o& s
- <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">
0 p7 y+ ?4 Q9 R+ z, H - <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>: D1 ]/ N- b M0 C5 W: B7 r @
- <!-- Content to toggle from www.mfbuluo.com-->
$ A6 h7 s9 Y8 i7 ^9 _7 D9 D0 Q - <div role="toggle" class="toggle-content">
. G0 V$ y6 n! n5 B* p - BA-NA-NA-NA!
7 K" n6 @8 Z. s- Z7 w* n8 Z - </div>
1 `4 `0 K! V9 g/ _, { - </div>
复制代码CSS代码内容如下: - .toggle {0 b0 @: [' |% J
- margin: 0 auto;
$ _* R& @/ M/ \ - max-width: 400px;
x7 i5 e6 q; M$ M& Q - }
5 Q: v# d( S$ r/ W# W. R - .toggle-label {, o1 E# |6 l; W8 n: M
- font-size: 16px;
7 u" f" Q6 Q& x% P. i - background: #fff;
+ n" R4 ~; q. Y5 P" W4 k - padding: 1em;$ o: c$ \# i! `5 s, Q: I
- cursor: pointer;0 [0 A( _7 H3 _
- display: block;
3 ]- l6 E/ ]) a - margin: 0 auto 1em;3 Z0 \' d( [6 v: l# ]0 S
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
, g9 t9 f3 x7 R. c9 a - border-radius: 4px;" W+ y" [; I* [* @
- }8 Y* l4 y$ C" Q; T6 M8 U
- .toggle-label:after {
. x9 _" s% t) r - color: #ED3E44;; ~5 G9 Q1 b7 o; r( H3 i' U' y% [
- content: "+";& w1 ^& w% U3 x9 T" b
- float: right;
" L6 Y' A( C3 V- @. W* G1 B2 R* x - font-weight: bold;
8 l/ L) y* }4 i - }8 w, h( v* e# g5 r
- .toggle-content {
/ e. a4 g4 B3 c* x# \ - color: #B0B3C2; r6 T" v3 A& X+ w5 `1 q
- font-family: monospace; Q5 @) Z: {4 d
- font-size: 16px;; q+ Z7 E$ Y1 Y$ B# d" B6 r( ?
- margin-bottom: 1.5em;
* Y! E7 |! b$ {$ g; M" L2 k - padding: 1em;5 Z6 N5 ~2 V& ?, c
- }
# U9 A# i. {5 o! n; F) g7 @( l - .toggle-input {; g" k: C' N, C, H l9 f ?
- display: none;
* c0 A' h5 U/ O: x4 B - }% A" q" b4 g. N+ C: M; v7 j; e
- .toggle-input:not(checked) ~ .toggle-content {) s+ r- U" Y- r
- display: none;( `! X8 x' r# ? x6 [ q, B# K. a
- }
' k8 z0 M4 c- U% J+ _ - .toggle-input:checked ~ .toggle-content {
8 ?5 d# }1 x- O! N9 h/ M, m - display: block;
6 V" U/ ]/ Z# R0 w1 Y2 ~+ C - }0 D( G) z* {0 p3 G' f; N. S( @
- .toggle-input:checked ~ .toggle-label:after {
" J# R6 Y; c& p7 u7 W/ p1 k; w - content: "-";
2 c1 L1 g8 G0 h* x - }
复制代码 w% y8 z) F2 d( o3 x
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