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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!">5 ]% q1 o7 V; B7 ? F; u+ l0 t0 D
- Label for your tooltip% h5 r+ W" d$ t6 \8 `7 V4 ^
- </span>
复制代码CSS代码: - .tooltip-toggle {2 c; F' X3 A5 v- V0 I
- cursor: pointer;/ W" L: q! p G0 {9 z% [# [, G
- position: relative;
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' t2 a$ T3 v# A) E - .tooltip-toggle svg {
8 n( X1 d$ ?* I& \2 z1 n - height: 18px;
7 L$ b2 M- b. {, X; n8 ^- f - width: 18px;) {# i: B" W4 S5 ]
- padding-right: 0.5rem;
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- .tooltip-toggle::before {
5 B8 i) |6 B+ U9 e3 ` - position: absolute;" L3 c- W2 f: J: E: i, _
- top: -80px;- T6 k8 z& Z' D& b3 ~4 j% j, K7 N
- left: -80px;) u+ t; q) J. h" C# b3 b
- background-color: #2B222A;, i8 b( l' m' _! B7 c" J6 l9 X& B
- border-radius: 5px;; R# g; t+ h) S5 v- w3 Y
- color: #fff;/ [1 D3 L/ P1 J2 Y3 G
- content: attr(data-tooltip);3 ?9 F0 b% ~4 V6 I) V% |( U
- padding: 1rem;: t( N5 z1 W4 g5 n* e) a" Z
- text-transform: none;4 G: W/ m! b4 d. S
- -webkit-transition: all 0.5s ease;
2 ~6 f% \) L9 }/ c8 z2 j3 O% H - transition: all 0.5s ease;0 A& s# s4 V! l# V9 l
- width: 160px;
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- .tooltip-toggle::after {
+ U& P$ d6 F: L% D - position: absolute;
& \! K5 X+ b3 C2 z- y - top: -12px;
( b1 O! J7 m7 \: a6 p( ]; N& J Y - left: 9px;. q3 y& D! B9 s% ?+ c2 [2 w+ p
- border-left: 5px solid transparent;
3 T z; p+ l& `/ O2 ?6 ?) } - border-right: 5px solid transparent;2 d& i, k2 `9 _) `
- border-top: 5px solid #2B222A;: C7 H/ ~" g2 u: m; Z
- content: " ";5 C8 z2 Z% h1 m! S
- font-size: 0;* f' T. E$ f7 r% U2 H$ W2 N
- line-height: 0;
& B+ d5 I& _& x( P+ _. V* ` - margin-left: -5px;
( u- P, I m; U - width: 0;
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4 M. f, j8 \; _! X: W! [: j: u+ k - .tooltip-toggle::before, .tooltip-toggle::after {
# H& U' g4 I5 L# m5 }8 a" L. E - color: #efefef;
$ r* m" E9 \- X2 y T" Q - font-family: monospace;
" U0 A+ j8 |5 v- u: o - font-size: 16px;$ B0 q0 a+ ]; }) a; g0 ?- j
- opacity: 0;. [! x* S* z0 @# f
- pointer-events: none;
# q' r3 Z* C) o) A/ | - text-align: center;- i$ | l: j4 A* r9 ^. ]9 \" b
- }
6 k8 q- ~/ w' ?* i/ ]0 R( v; p, o; G - .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {' h- C& ]7 Y: r. K/ G$ ]
- opacity: 1;. a# K: O! {2 ~ {
- -webkit-transition: all 0.75s ease;6 @, J( G) A9 o/ {4 a# E7 u& D
- transition: all 0.75s ease;! h, K! o0 V! ]! z6 a. q
- }
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">
+ o9 Q* A% A% J8 Q# A4 E; V; T - <ul class="nav-items">
4 _5 P9 D$ L1 u. l7 Z6 y - <!-- Navigation -->: j5 _. x/ X6 L* s4 ~, E! B
- <li class="nav-item"><a href="#">Home</a></li>
7 \" K( G3 l9 T& ]7 t! W- E' J - <li class="nav-item"><a href="#">About</a></li>
% v6 s" r7 i8 A - <li class="nav-item"><a href="#">Contact</a></li>
+ n5 V% O& o4 x. _! O: A - <!-- Dropdown menu -->" s9 O0 z8 A* V2 M- {3 \7 U) Y+ K
- <li class="nav-item nav-item-dropdown">
8 A+ o8 n9 s- j- S u- J& K) N \$ t - <a class="dropdown-trigger" href="#">Settings</a>4 `" @& @0 h' o" q
- <ul class="dropdown-menu">6 g& r2 K0 l+ W0 ^$ P
- <li class="dropdown-menu-item">
" y v8 M1 j! Y% W: R0 J- a9 H - <a href="#">Dropdown Item 1</a># a5 l9 s4 X6 [ E4 n/ ~+ G
- </li>
, L: U9 { I, t" D* T- J/ F% r0 K - <li class="dropdown-menu-item">& X7 W6 [! a4 l6 Z5 G: a( _
- <a href="#">Dropdown Item 2</a>6 Q& m' f# ?/ N' [
- </li>/ a) F+ a% n3 N% c
- <li class="dropdown-menu-item">
/ a5 d7 d% |* A6 ^8 x; }6 E8 h3 o - <a href="#">Dropdown Item 3</a>
+ E+ D6 e% l+ \7 X( T - </li>
$ O8 q: y( _# J2 S9 t, M - </ul>
# d9 e. {4 y0 S8 e. ^ - </li>
, \) h# E# W8 h& ~. }+ h - </ul>) m G3 S0 w4 Y0 h6 g! `4 f7 j
- </div>
复制代码对应的CSS代码如下: - .nav-container {# p. b$ S4 ?, N6 a, h1 v& a' D" ~
- background-color: #fff;
$ g- j6 Z# g: R, p- |6 m - border-radius: 4px; V' g1 E" o# |! z8 e- C
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);# `5 Y$ ^, h! W X# d- D
- padding: 1em;
$ W8 C1 ]7 V& y) G) E; `8 D# o* e) O - border: 1px solid #eee;( J, y3 A: ]' Q2 J" i' @. R
- display: block;2 R2 B7 X& B) i
- max-width: 400px;
% S. K" |# w$ i. l9 j4 ~ - margin: 0 auto;
+ I2 z: w# Q2 [- E - text-align: center;
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- li {
( a* Z5 T7 ~' G9 W0 w+ ] - list-style: none;6 s% q& w# V6 r j
- -webkit-padding-start: 0;' j7 x# e: }( a: v* n
- }
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- text-decoration: none;. G: `8 G5 X# _% x3 r
- color: #ED3E44;
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* @1 n! }5 P2 L- Q8 r7 }2 g - .nav-item {
' K* h7 V' C4 W) _% b. Q - padding: 1em;1 @) g+ a$ V3 i/ l$ \4 B5 K
- display: inline;
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3 v, @, Y/ ^5 @$ ? - .nav-item-dropdown {
2 e0 A d0 P1 C4 I8 Q, K- G - position: relative;
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- .nav-item-dropdown:hover > .dropdown-menu {& ]1 j' k4 r) o$ c
- display: block;' z$ B: K* m h {
- opacity: 1;
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- .dropdown-trigger {; c$ M x5 d |+ M) E; b
- position: relative;
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( L5 V0 M/ F5 m) {8 k6 l - .dropdown-trigger:focus + .dropdown-menu {
6 C2 ^) g+ y. K5 d! E - display: block;6 R, W$ D9 q: q' E. i; H
- opacity: 1;
2 ?( `4 L* v7 \% |- l" ^ - }
- t$ q4 _. ~+ _* p - .dropdown-trigger::after {$ ~$ L+ v0 X" h
- content: "›";
" k) w( g+ n1 B/ m4 a$ _9 e2 E - position: absolute;" u* z" v2 i7 Q; f/ g
- color: #ED3E44;! n# p' a$ X. G( b: V9 Z
- font-size: 24px;
+ P1 G5 Z4 e7 s - font-weight: bold;
" X( W8 Q) e4 g. c5 P - -webkit-transform: rotate(90deg);3 R, H l$ i& Z j% J# K1 F
- transform: rotate(90deg);
8 W7 G2 E/ }' U5 ?! w% w# s - top: -5px;6 E/ y; D. i7 U& y4 q4 A6 {
- right: -15px;
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- .dropdown-menu {- z0 e6 n9 _; G
- background-color: #ED3E44;
" q% e u- T# f - display: inline-block;. h6 d+ v ? Z( N( U# ^- z6 Q3 V
- text-align: right;6 T+ I* @1 |9 x) t8 p
- position: absolute;$ y; z+ Q' h0 f$ o* x0 h: O" Q
- top: 2.5rem;, ]- ?) H# d' F1 V4 M+ P+ ]
- right: -10px;
/ E; _4 r B, Y' }1 |9 e - display: none;: {, L& D4 x: O- g: R |9 w
- opacity: 0;2 M# }7 D2 r# ]. g g6 {
- -webkit-transition: opacity 0.5s ease;! e' H- r6 P! F
- transition: opacity 0.5s ease;- b6 c8 p' k9 T. `3 h& C
- width: 160px; \1 d+ A9 L/ r/ P, ^+ t
- }& g: Z( Q1 I. P4 \# c) b
- .dropdown-menu a {
: f, x$ P0 j) h ~/ U - color: #fff;! U6 \6 P( ]# g# J+ H: Y1 C+ @7 H
- }
, {- _9 {) X; `" p6 i$ i$ N - .dropdown-menu-item {$ Y5 M# \( N) A! {
- cursor: pointer;4 ~, @5 \1 ?! J5 t0 f& Q
- padding: 1em;# ]7 U+ M2 X1 T$ Q2 ~2 `
- text-align: center;& l& ~( u$ R: I% u4 L3 S) p9 _5 }
- }+ u! p b% Z+ R" g6 h
- .dropdown-menu-item:hover {* w4 [( ^3 ~! h3 x
- background-color: #eb272d;) T6 R) q5 L9 Y. x R8 h8 ~4 H
- }
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* x4 v1 i B U# t; }可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">9 _* h; m0 ~" @$ L
- <!-- Checkbox toggle -->
7 B+ n4 D2 x9 I/ m# M! D: l* A - <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">
9 I9 |6 \$ [3 S+ {# c: ] - <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>
# O3 |, h4 ~" f: S - <!-- Content to toggle from www.mfbuluo.com-->" I4 z5 P8 F% f" P- l- ~; F
- <div role="toggle" class="toggle-content">4 R8 E+ l; D* Q8 k
- BA-NA-NA-NA!+ I2 A' k7 I( z6 e
- </div>
$ J" N- d" i7 f y1 i - </div>
复制代码CSS代码内容如下: - .toggle {/ O: |8 S: u* E% V- s3 F( Q
- margin: 0 auto;( X# |8 N* B# A0 | I
- max-width: 400px;2 L" F/ ]8 \) Q. O7 O7 G
- }
, t9 S3 o1 L# J* ] - .toggle-label {# \, \- ]! v2 V9 a9 `& t* k1 ?! _
- font-size: 16px;+ M% G% U6 e. \, _9 p
- background: #fff;7 P7 f V2 t/ f$ _
- padding: 1em;! @( b+ C; H; W5 W8 q0 C% k6 R
- cursor: pointer;8 ^+ p _9 _& c) x& t0 s; a- p
- display: block;4 U) G9 f6 ^' I" W
- margin: 0 auto 1em;; m: t9 i. D' u/ a" K% S8 A: E" R
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);) C$ K0 N. i2 r8 W1 ]
- border-radius: 4px;# L9 u+ b5 F1 b" Z- e- T- G
- }
* D$ j4 t q A, J$ f+ s - .toggle-label:after {, X2 F( W+ L8 Y
- color: #ED3E44; T% u8 B/ x9 | B) v
- content: "+";
9 `7 n" R* [( C2 x5 ~" _! J - float: right;. F; V2 l* o, L! r3 S# s
- font-weight: bold;( J) W. D% C1 ]& Q6 j) h
- }
. f9 t0 `8 @3 ^ j - .toggle-content {& z3 u7 u c* D2 K7 ^
- color: #B0B3C2;! E. ] v, } N$ g
- font-family: monospace;7 K6 I; R5 m) `7 w6 a- }# i
- font-size: 16px;9 j$ ~8 i% W4 ~6 _' a8 Y
- margin-bottom: 1.5em;
+ c4 \0 d0 Z7 w8 ~ - padding: 1em;1 [5 |; s5 q0 q/ h9 ~% |* t
- }& i) q5 x/ u4 i* i6 L. ^! S
- .toggle-input {
/ j9 b. {% v: L& s* @2 s - display: none;
/ H3 `1 q& V0 s# l% j% v+ p/ d( B - }, K+ B5 k [8 k( W& [
- .toggle-input:not(checked) ~ .toggle-content {- C. M2 C1 ~, ~3 [ ?4 O# |
- display: none;- E' [# V7 B/ l
- }
/ T# _- p! Z/ M( `# m - .toggle-input:checked ~ .toggle-content {" Q8 F5 v; b& m
- display: block;
* s5 P: @# x5 K3 }# i0 g J$ O' f* ]2 O - }8 o" m( n0 Z1 A- o
- .toggle-input:checked ~ .toggle-label:after {; n6 O" W; i. W6 t. F
- content: "-";
' a5 D5 [! }- l8 H' m9 l - }
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