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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!">" s) I- Q. ?# ]5 u
- Label for your tooltip ~, V# \( p0 \7 I
- </span>
复制代码CSS代码: - .tooltip-toggle {% O/ Z+ h$ I* ~5 ~+ e, @" C
- cursor: pointer;
8 @% z7 n0 W" d9 A - position: relative;4 s+ i8 Z0 R4 p$ ~6 o% I) d
- }% x9 e+ N4 J. a& E2 R- m
- .tooltip-toggle svg {0 e& U E: [2 x% `! G2 f, r7 J0 k/ r; ]
- height: 18px;
% r+ i/ O" _0 k$ }4 U {& B - width: 18px;
; `" k! G$ g$ ]% W B. b7 g& z" A - padding-right: 0.5rem;- k Z4 X" M, ~6 a$ X- f
- }
% ]$ o. T" M2 k% x - .tooltip-toggle::before {. w8 o; E D( K! l2 S5 [* s% \
- position: absolute;
% ~' `6 B5 ]& H$ [, ~, T* w0 e; m6 k/ v - top: -80px;
% v5 r; X0 Y0 m3 E" s! B - left: -80px;+ j7 k s! v" O7 K- _! \+ ]
- background-color: #2B222A;
" Q: _! M* Y5 z& u6 r - border-radius: 5px;/ Y j9 e( D ?9 Z9 q% w) ?( T
- color: #fff;0 p: n4 V( |. s, _: S/ m
- content: attr(data-tooltip);, r0 Q* N1 ?2 g# k
- padding: 1rem;+ R) C: \9 L1 ]+ b
- text-transform: none;
# [' x, l) S r& _9 u9 v - -webkit-transition: all 0.5s ease;
1 ]4 K6 `: o5 G - transition: all 0.5s ease;
: W* W. Q% W1 k9 @$ W- V( G$ j - width: 160px;
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1 J7 X, ~! {( {! g$ l8 h - .tooltip-toggle::after {# N% I! w* x7 I0 M+ F1 q/ k
- position: absolute;/ k1 [9 o- _6 B D1 d) M
- top: -12px;0 O+ y/ d# X9 y& [+ c* R
- left: 9px;
" \! q7 I4 d; A" C6 a8 d - border-left: 5px solid transparent;
% w1 J! U# l; K; Q6 x3 g; L - border-right: 5px solid transparent;
1 `0 `5 @4 @: }* ]* A - border-top: 5px solid #2B222A;2 i* ^. Y& ~! y
- content: " ";& K* m1 d- W1 B" c0 H
- font-size: 0;& [" n" d6 u- Y$ L3 e5 a; s, e+ O ~5 s
- line-height: 0;# j! U% {* y" C! M) W) g/ }' q
- margin-left: -5px;6 d- T/ M) H' H- N' f- ]
- width: 0;
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- .tooltip-toggle::before, .tooltip-toggle::after {4 P$ `0 [' [5 C1 g3 I
- color: #efefef; w. P! {( n/ V8 |& d$ O
- font-family: monospace;
8 G' s' u8 u* i8 N - font-size: 16px;$ M0 D3 w% f' w( i/ P+ `- u, k9 q" T, O; T0 e
- opacity: 0;
( M# @& @ L* {; u- J8 l$ P. c - pointer-events: none;: a* P; R/ n( U# U! C% \) W
- text-align: center;
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- .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {) [% u/ v! S: D, j# D
- opacity: 1;
! U& t7 [3 z! [" ?# Y9 h/ N - -webkit-transition: all 0.75s ease;
% B3 t% a) i g6 Y7 G* c - transition: all 0.75s ease;+ E8 ~2 J0 R6 ~; V/ K/ n
- }
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">
9 h: l8 v" i7 R) p3 s - <ul class="nav-items">
. i# P2 @4 x0 q6 F - <!-- Navigation -->) l6 N7 T5 Y, N
- <li class="nav-item"><a href="#">Home</a></li>* p/ \; L7 P& Q5 ~9 p" ~$ L
- <li class="nav-item"><a href="#">About</a></li>6 e* q# T8 d) X0 {3 ?
- <li class="nav-item"><a href="#">Contact</a></li>
# R& F' g5 o) B% l9 c - <!-- Dropdown menu -->9 @: T( b) h" A; Z! q
- <li class="nav-item nav-item-dropdown">
% s: |( s* J3 z/ i# v# R' t - <a class="dropdown-trigger" href="#">Settings</a>
x& H; i/ M2 Z" y - <ul class="dropdown-menu">2 d8 i1 l5 x0 B0 [
- <li class="dropdown-menu-item">6 v- L z4 ]7 g. I9 _; b
- <a href="#">Dropdown Item 1</a>( p. P0 K" y) V+ i% I6 ]3 T
- </li>
" |( E( N* e8 E2 X - <li class="dropdown-menu-item">' S% d7 Q2 ~( S
- <a href="#">Dropdown Item 2</a>
& c9 O' k3 f' @) b5 V# L - </li>' y0 t0 w# }8 b9 I
- <li class="dropdown-menu-item">
8 N5 T( |* ~% l9 Y F. E - <a href="#">Dropdown Item 3</a>
8 x3 S5 Y$ a5 ? - </li>% j) O/ ] R, F( B( l4 f
- </ul>
) w0 {% U% U0 m' x# [7 v/ l+ T- G - </li>% ]4 ]1 p7 j4 B' x8 z9 O" z
- </ul>" L1 h Q& c% x* Y8 c
- </div>
复制代码对应的CSS代码如下: - .nav-container {8 K) `% ?9 C) O3 w
- background-color: #fff;! _, H6 `1 ~' `
- border-radius: 4px;2 U* k$ Z8 A, w# G% O, C" E
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);9 z& s( Z" U( t- G9 x
- padding: 1em;
. S/ v2 q( R+ ?' m @0 r4 F - border: 1px solid #eee;' w, W# u# Y3 \
- display: block;; P0 E3 B% u, @7 _+ E: |/ z6 c7 N/ t
- max-width: 400px;9 P, E9 O% O2 i* `6 h
- margin: 0 auto;5 n8 G4 q, j6 U6 ` ]7 W
- text-align: center;: y; T+ V! K1 Z. z) `* h
- }
( F" T& O6 ^6 z/ \! v# [ - ul,
u9 k: Z, i4 o - li {
* k) q8 ~+ s) C K( j F - list-style: none;
n9 p- t+ i/ L - -webkit-padding-start: 0;3 p+ y: I7 Z5 D' E4 c
- }- D9 P( @: g! w4 N; F5 ^4 x0 }
- a {
3 V% ^! V! { O" w* G3 n! x' d - text-decoration: none;
) T5 V. k" `. r - color: #ED3E44;; F- w) w6 _& X, M" W2 a/ L& Y
- }
. o7 ^ f+ X( p, H - .nav-item {8 Y3 A i6 ~9 X2 n
- padding: 1em;4 v4 m' s2 M$ r) p% a; w, i" u
- display: inline;
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) |7 ^" O( K0 S- P5 c - .nav-item-dropdown {) s9 x# i! g& {! h% U$ [3 u) f
- position: relative;
' v6 C; m& j- H/ ?- G$ ?# y$ d - }
' v% O3 q# @, `% `* I3 o8 y - .nav-item-dropdown:hover > .dropdown-menu {; c$ ?) u& s1 _+ g. R3 y& S8 {
- display: block;* P9 |- Q* c& e; h6 l4 A$ F0 t$ X
- opacity: 1;$ { Q6 {# B7 _/ U
- }; [% j5 r% W! K5 G
- .dropdown-trigger {
6 j* p6 I8 o h4 g5 K" U - position: relative;/ X0 V& O; [1 w5 ?
- }
: a, c; n7 x5 ]8 J - .dropdown-trigger:focus + .dropdown-menu {$ U) o. B: x0 `- g5 q
- display: block;7 D( M3 g2 E% H- Q! ~
- opacity: 1;
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- .dropdown-trigger::after {/ | K, K& c7 e& v
- content: "›";
# w& _7 l% X+ q- | H0 m3 O - position: absolute;
- h) l5 o {8 r6 u a$ T - color: #ED3E44;- S3 {# g& G) P8 h) Q- V% [
- font-size: 24px;
4 S2 i) C) b4 a- ~( q1 Z1 j$ G - font-weight: bold;; p7 G" d/ B( \; w( `; R1 t4 g
- -webkit-transform: rotate(90deg);
8 ~5 x5 D: ~( n% O( ]6 h( ? - transform: rotate(90deg);/ b2 p1 s6 c' K z1 J o& P
- top: -5px;
% e$ s0 g& A* d - right: -15px;
9 X1 d* q' O) X# Q6 g% g8 Q - }
+ O- r7 D2 _& ?9 Z: U# o5 C: c - .dropdown-menu {% ]3 Q# r2 T5 Y: E. i. b
- background-color: #ED3E44;
1 U3 [0 d8 T% V, K5 {5 v - display: inline-block;1 b: ~+ F, a+ T$ @; y
- text-align: right;
% F% n$ ?4 \: G% z! E( ~0 e* e - position: absolute;
& A2 [5 K5 a' N/ G+ f$ h - top: 2.5rem;' O( W8 v8 X: \
- right: -10px;
; J- i2 ]. V8 u' l6 l: W - display: none;
( d( T1 r/ J$ @9 T9 G- ^8 G - opacity: 0;2 n4 {# f7 R! x0 y P! r0 J( x
- -webkit-transition: opacity 0.5s ease;. H6 \/ L8 D' H1 b
- transition: opacity 0.5s ease;2 E1 \! Y i1 p8 O6 J
- width: 160px;; |" b# b2 l$ e6 b0 ^0 u3 z
- }
( ~) v5 O9 i# a1 y: h! U5 x - .dropdown-menu a {0 R7 o3 _. F/ w0 P
- color: #fff;
) I8 Y1 N7 b& \1 i9 W, ^ - }# d2 t9 l' P! t0 R
- .dropdown-menu-item {
$ v) d O: P% b1 b8 o; g% v - cursor: pointer;; f- P4 U/ A; z& I
- padding: 1em; r) l& B& w- t& q$ d' F
- text-align: center;
; a: c( J% r. ?4 O- w( j8 ^ - }6 R, \4 W Z& A, j6 x3 N. K
- .dropdown-menu-item:hover {' h0 B6 r0 ^1 R$ k2 q
- background-color: #eb272d;
/ d. H- I: C. s2 k2 m/ o - }
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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# `2 u. @
- <!-- Checkbox toggle -->5 l9 s* W$ O! K0 ~
- <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">, ^) K( a6 D3 o
- <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>
$ ]- j6 i# V8 D$ D/ _ - <!-- Content to toggle from www.mfbuluo.com-->
8 f- w9 B* I. f1 l - <div role="toggle" class="toggle-content">* S* Y" ]# a: w5 U0 D% E
- BA-NA-NA-NA!( G- J3 a0 N% U
- </div>
9 B; B6 @2 U) F. \/ X - </div>
复制代码CSS代码内容如下: - .toggle {' p4 M1 U) k. v
- margin: 0 auto;8 l9 I- i8 R' Q0 ?
- max-width: 400px;
. N* i4 r" v& T - }
" r$ @3 ]$ o) z) H' d! q - .toggle-label {8 M$ X1 {% M5 _0 K8 z
- font-size: 16px;9 d) s6 o1 p/ j" p7 b. I
- background: #fff;
2 I g7 i* f2 V) {+ P! H. s - padding: 1em;
$ o( O% S1 s- E6 v3 {2 e+ h2 l# Y+ F - cursor: pointer;
5 A1 @$ t* |( L% G5 ~5 h1 |- S* b - display: block;2 H1 O5 Z. \- k! d3 w; t# S% B
- margin: 0 auto 1em;) g3 v& S3 K8 `& H! m3 G% }
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);! X0 s3 R( ~4 i* Z1 g
- border-radius: 4px;
: H! j0 X: F0 c/ t$ Z - }- H8 ?* c* d8 M( L1 G
- .toggle-label:after {' P* S: ?6 \& y7 r, T+ i% ]
- color: #ED3E44;& U2 Q f( b, i, Z9 h- i
- content: "+";
3 k* n9 q0 P8 E6 _- i+ G - float: right;9 e* @. N! R+ `- z! t: H& A* A5 X) |
- font-weight: bold;
* |( A8 S/ |( n6 a2 i - }
* ?/ _3 ~( o& e( r* B - .toggle-content {2 h2 N& ^3 V8 s. g I4 r4 `
- color: #B0B3C2;3 u" k( ?8 S: u, ^( Z" X$ T
- font-family: monospace;# }" x& I' U k+ B3 b
- font-size: 16px;
! L' x W/ W4 C. s7 ~) S3 w/ p - margin-bottom: 1.5em;2 ^5 ?( e5 D5 @; | U
- padding: 1em;$ P g1 f$ C3 ]/ |$ A; Y* X/ k
- }0 @& [: o7 m! l- S. u q% c
- .toggle-input {3 C: ^ h6 t: [# ]8 a
- display: none;
$ F& {9 r, J$ X8 c- U/ b - }+ Q: I0 D r Z6 X$ a9 D! d
- .toggle-input:not(checked) ~ .toggle-content {! `" V! u8 F! O- e4 j
- display: none;
8 a/ C: y4 Z9 D, p G8 v3 P) { - }" |/ x% o* Q- L0 U3 ~& E' p
- .toggle-input:checked ~ .toggle-content {6 ^: h+ @- `4 o& k
- display: block;2 g# T* d3 i8 b" p6 K
- }) [5 G! C" v2 {8 [, ]
- .toggle-input:checked ~ .toggle-label:after {
6 _8 ~9 ]) s8 z: Z- m - content: "-";
7 j7 P7 e( b- L& F3 C j r - }
复制代码 ; K6 {0 Q0 R" ]0 }6 G9 o. L
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