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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!">! X4 A& t4 ]. X- h# z: V V7 v- U
- Label for your tooltip
! ^) j: X8 f' J+ t0 e- R - </span>
复制代码CSS代码: - .tooltip-toggle {
* Z+ s* Y! p) j" ~0 @# r - cursor: pointer;& H% V# Q# J- d3 w+ R
- position: relative;
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8 {+ B, `8 Y; Q) y( G6 e& e- S - .tooltip-toggle svg {9 ^& J; c% X1 ~2 h. C9 q
- height: 18px;
- n/ b0 _& ]- |1 x - width: 18px;# t; O% G. r* \- \% ]
- padding-right: 0.5rem;" `) d* k$ A1 u' n
- }
3 P9 Y( `, |- ]' g+ }0 T4 f9 f - .tooltip-toggle::before {
" J# z5 O3 y2 Z! l0 w# X1 y8 D, ` - position: absolute;
/ H! T( ~6 z" a! j" }' P - top: -80px;0 E1 r, _4 M! E u
- left: -80px;8 t& J+ d* t0 o1 f2 r# A8 |8 R d
- background-color: #2B222A;# |- ~ {* e* A1 ^0 [0 @5 V
- border-radius: 5px;8 u. F9 @( M# _; Y7 U
- color: #fff;8 x2 |$ P, F% x& F
- content: attr(data-tooltip);
4 _0 | r2 X+ N* J# s# N! x - padding: 1rem;0 e/ h. F& {- w: `( v) L+ v
- text-transform: none;1 p" l: e' v: x
- -webkit-transition: all 0.5s ease; C; z* n9 n8 |1 k% t
- transition: all 0.5s ease;
7 Z- ^3 F. V* _$ J y- j! L2 p& e - width: 160px;
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- .tooltip-toggle::after {& w3 s( M, i5 E* y% e O. z
- position: absolute;
; d) o8 A- @0 W) U5 }! ^ - top: -12px;
) f8 ] J/ C; y' E8 { r - left: 9px;4 W' Q3 h2 f+ V e+ h% e% K |
- border-left: 5px solid transparent;$ j( C5 G: s/ K3 d+ |
- border-right: 5px solid transparent;9 [7 f8 \# c4 ]- b: J
- border-top: 5px solid #2B222A;& j/ ?% k) H! K2 e# H
- content: " ";
* X/ g% ?8 u. a; i - font-size: 0;
4 p+ Y7 I7 m k; q4 H - line-height: 0;
7 ^# O0 M% z2 N2 b P( }, g - margin-left: -5px;! s- l5 Z! E8 ^. ^7 i
- width: 0; C8 F) d' @+ l5 C6 D" H0 r( M7 r
- }
, {3 h2 |! V8 T& e - .tooltip-toggle::before, .tooltip-toggle::after {/ \1 K; f3 e* q/ l) ~
- color: #efefef;: i3 Y0 K5 u6 e0 Z7 Z. X
- font-family: monospace;0 R) d3 E. F0 s0 @3 c) d/ G* I
- font-size: 16px;
T; N J3 S7 { - opacity: 0;
2 A) V' r- Q4 J: ?0 n" Q6 K/ w - pointer-events: none;2 N( ?. \4 Y, d
- text-align: center;
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# V# }* c$ `9 c0 T2 ^# i - .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {
2 v4 r+ s% D3 P4 o+ _9 Y' s. r - opacity: 1;
' X* }/ H( W. X9 s4 l8 B - -webkit-transition: all 0.75s ease;, H( X. R+ T1 d) H& F: `
- transition: all 0.75s ease;- ^+ _1 f3 ^. B( A2 q( s
- }
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">. L O! s) Z4 E: R
- <ul class="nav-items">
$ R# ]& o% P& t2 C% L - <!-- Navigation -->3 a* o( A6 }8 i9 u# o4 a1 ?5 M' L
- <li class="nav-item"><a href="#">Home</a></li>( n6 P! v$ @/ b% s4 m l! T
- <li class="nav-item"><a href="#">About</a></li>1 M% G6 L( {8 E
- <li class="nav-item"><a href="#">Contact</a></li>
; q& q- p7 j% r" M3 ]% Z - <!-- Dropdown menu -->
2 z4 x9 T% _6 i - <li class="nav-item nav-item-dropdown">8 A i8 G# m. z0 V7 p5 {5 ?. L
- <a class="dropdown-trigger" href="#">Settings</a>
# f$ b1 l' a/ I4 Y3 p6 v - <ul class="dropdown-menu">, S$ K+ ?0 M- ^" ]
- <li class="dropdown-menu-item">" y, w% w2 v: r. Y% [
- <a href="#">Dropdown Item 1</a>- y D2 ?% h) e, o
- </li>
9 S' }; W2 A' ? - <li class="dropdown-menu-item">
. H- p, N& v7 d0 J2 y - <a href="#">Dropdown Item 2</a>/ O! V9 P" C3 u7 j& d( ?6 P
- </li>8 S" [# Q, A6 f, h
- <li class="dropdown-menu-item">' b9 o( g: ^ B
- <a href="#">Dropdown Item 3</a>
) J. I5 y/ U6 i+ {" | - </li>
1 [9 W. y. [. Y - </ul>
v: q0 b0 }0 x' `5 m8 J, @ - </li> T4 T2 q* d! l- z0 Y: i
- </ul>9 A% {; r% E: Q7 q3 Q8 s
- </div>
复制代码对应的CSS代码如下: - .nav-container {( z" L2 f% }* H+ z' a9 f1 k+ w
- background-color: #fff;
5 u% B4 [+ |' U: X - border-radius: 4px;
9 v5 h0 d) S- w. [5 k& C. N - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
: x! Z* s; t* P, m' n: s - padding: 1em;
2 P4 H0 c/ i6 t6 L" `, E7 y8 F8 ` _4 r - border: 1px solid #eee;7 [% W( _& _" t3 J
- display: block;
; V7 G! X! m8 ^- G; e' O: x$ w8 Z2 v - max-width: 400px;
; k! T* \ K7 Y) ~2 G# a! q - margin: 0 auto;
2 C3 P" T z+ F0 p8 R - text-align: center;
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- ul,
- C1 M; g% R6 m' g9 E- M ?" j - li {
5 p4 W: g& T5 p% }: L3 O - list-style: none;
$ I# \1 |, W' t; s4 Z7 a - -webkit-padding-start: 0;
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- a {
+ w9 `9 Y) A. x% J7 ?$ m - text-decoration: none;
. R8 I2 E6 }/ K+ [( q0 C0 ] - color: #ED3E44;! D* e5 G- \( W' V' _3 ?, g
- }$ a; V- l$ G' A' L8 y
- .nav-item {
( F6 s% c6 a3 y4 w. q1 R2 g: \ - padding: 1em;
9 D3 Z L) L* |# @2 h9 B% Y6 @) w - display: inline;8 U6 P. }( [) i9 o
- }
( ~$ o, P t* O - .nav-item-dropdown {
5 T0 F) E- o+ ], a - position: relative;8 A% m: ] }* C- a* c8 \: X; K6 Y
- }+ r+ j$ e- j# T: o# R
- .nav-item-dropdown:hover > .dropdown-menu {; @- \2 Q, H+ j* k& D8 b
- display: block;+ i( i! ]9 _8 @4 F6 i: x
- opacity: 1;
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1 d% }/ h8 H k$ C h# D) F; J) g - .dropdown-trigger {
, c- D2 b! }3 N2 [; G. { - position: relative;+ T" {) B, }$ H/ P$ ^6 D; U% J9 w
- }# O O; ^: V/ E# t' V& k' F. d2 m
- .dropdown-trigger:focus + .dropdown-menu {6 @/ L, d5 X" u5 W! }
- display: block;8 I' U5 a% m. \7 b' K( N
- opacity: 1;' s4 X! r9 X4 w1 A
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- .dropdown-trigger::after {
) [/ H t9 k, H( h5 z3 P$ N7 U - content: "›";: {, g O" v* l( @3 @, A. z4 [1 D
- position: absolute;
" v/ O; D6 T5 E7 i - color: #ED3E44;
' Y+ U$ j( y$ L" y6 m# s+ g5 X3 W# s - font-size: 24px;
; m6 [6 m0 C I8 n! v# w R+ v2 f! S - font-weight: bold;! L! T4 _, u2 s5 w5 K$ y
- -webkit-transform: rotate(90deg);
% ?6 c* H/ b: S' R. m' q - transform: rotate(90deg);- z9 v' F$ v( D3 y8 D
- top: -5px;, ?$ e" Z9 Q0 a+ s
- right: -15px;
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- .dropdown-menu {$ @" N3 m% s# q6 n% t) k- K N; ]
- background-color: #ED3E44;
, c0 h W {5 Q - display: inline-block;
, T4 j5 g4 G4 G1 m7 p9 d - text-align: right;
: S( I W. o, A; K. l; v - position: absolute;
1 n! D: ~+ U3 A" Z. m - top: 2.5rem;6 G) d T* P% w3 M
- right: -10px;- q# Y2 C6 c% d( ?, s& q, o! u
- display: none;% Z6 y5 {! Q6 f* p" ?: O
- opacity: 0;
: x# J- l W* J8 A% n - -webkit-transition: opacity 0.5s ease;
3 j9 a" \# J+ q% X" D8 M - transition: opacity 0.5s ease;
) l* _! M) ^: k) H; n( S* G - width: 160px;
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- .dropdown-menu a {6 Z0 Z. D3 M6 j( J; j& L$ @/ C) p& L7 D
- color: #fff;. d3 j& c! w9 l# R1 E8 e
- }# W f. K; M3 e5 Y9 y
- .dropdown-menu-item {
$ H" y6 {& M$ I - cursor: pointer;; q3 y) c2 r& l0 P$ _1 N
- padding: 1em;: G9 V# K* i$ L
- text-align: center;
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- .dropdown-menu-item:hover {, f; D& C f3 @4 Y5 @2 w
- background-color: #eb272d;# e( N7 ^) ~, Q4 N
- }
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! {0 D# C7 ~6 Z b( P0 k- j- z可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle"> D6 k9 \! N$ Z! @
- <!-- Checkbox toggle -->
9 M" C' c! I I0 k J5 \9 F; s - <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">
" U9 J: S" {+ X* y( J6 Y - <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>; R1 b6 A% ^( Q7 p& t2 c" G# a
- <!-- Content to toggle from www.mfbuluo.com-->% f( k; i O$ J) ?* j' u
- <div role="toggle" class="toggle-content">" r% G( v* T. t1 k6 o, {
- BA-NA-NA-NA!
( O9 K, h* g4 i6 b - </div>
. G- Y+ u! K) W. l. X5 ] - </div>
复制代码CSS代码内容如下: - .toggle {7 v8 k3 L: X. S7 v
- margin: 0 auto;' z- B5 a1 X" M3 k9 U, x1 X
- max-width: 400px;
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- .toggle-label {6 F5 O3 x& a# x6 m* ]# f
- font-size: 16px;$ |0 a: p8 Z+ P% X8 I8 `2 L
- background: #fff;
$ h2 w3 R5 ]0 { - padding: 1em;# ~+ ` u. T" J$ V
- cursor: pointer;
/ @8 e; Y, y8 F" N - display: block;
2 X& R/ C& X) `7 Z# s# d - margin: 0 auto 1em;- R3 A: `( J7 J, f
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
: ~1 f& g7 `/ ^$ g/ K/ y. j - border-radius: 4px;2 C3 F$ Z" `$ K5 S6 J
- }# W& b$ q1 V" m/ T
- .toggle-label:after {' z8 w' K$ R `% w* E( L% b/ o, p
- color: #ED3E44;
, @( d1 Z8 Y4 p8 N7 ]) d( b! y I - content: "+";
/ f! x0 I' U6 w# \1 l - float: right;
, r- H* C% n7 Y; Z& S - font-weight: bold;
3 s9 l( `0 |% ^, s6 A5 i - }# U& z8 |" `% C" @9 J2 H0 _! @
- .toggle-content {
& h( z4 B- `7 ^$ u2 O* E; v) b - color: #B0B3C2;' B- M( m' B. Z: L+ V
- font-family: monospace;
6 K. z0 Q( A9 H. O5 K5 _ - font-size: 16px;" b# G0 P6 A7 a. L3 {% v `; h
- margin-bottom: 1.5em;3 g. }% F+ V( m4 U
- padding: 1em;) E* i& R$ E( s8 }6 W7 e$ N
- }5 `; A. g3 x% I" G" a0 u
- .toggle-input {
2 Q1 X( o0 @5 O7 j: T9 X7 D - display: none;
! Y8 ~4 t5 N W - }
% K# C& S" j: }" u$ n- R - .toggle-input:not(checked) ~ .toggle-content {
! p* k1 S! [$ c# E* c8 O - display: none;" ]/ {, n) @8 F- e( _/ @3 J/ N
- }" M A- Z4 g3 C
- .toggle-input:checked ~ .toggle-content {
- d' c% ` v; N: w - display: block;
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5 k. v" M2 Q& R9 ] - .toggle-input:checked ~ .toggle-label:after {: V2 h3 @: d' O7 Z d
- content: "-";! ^* x. H4 Z" R3 x+ f0 v
- }
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