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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!">4 f6 I& V/ g4 g- L* A; X
- Label for your tooltip [; M& d n+ D) Y0 o
- </span>
复制代码CSS代码: - .tooltip-toggle {
+ H. q5 M9 _0 p - cursor: pointer;
, q& K; {7 @5 V: { @: A; [ - position: relative;
" H8 Q+ y! l) h5 `. G3 o1 o - }
Q5 E- Q: h7 A7 y - .tooltip-toggle svg {
. P# q! x) E: j - height: 18px;
; b' u1 \( ~ m - width: 18px;+ H' c! i3 {, c* h3 b8 {
- padding-right: 0.5rem;. T( R, M/ L' |+ p/ m/ G6 I
- }
) T9 m. q. i" d# P6 o, x/ D0 j - .tooltip-toggle::before {( l# ]0 [; f6 l# e0 t
- position: absolute;) ^# W% T i) ?4 N2 O
- top: -80px;* U/ O7 b2 |: V$ G2 T# i p
- left: -80px;
' y# f, h+ f" a8 \$ k - background-color: #2B222A;2 l' ?! [: C2 ?) d$ ?& I+ Z
- border-radius: 5px;
' [# ^0 X, t1 a1 `: v - color: #fff;
2 G+ M7 |# o* `/ }8 [/ s - content: attr(data-tooltip);
; Y' N, r! T2 u# I - padding: 1rem;- f4 b4 \; U% u! T
- text-transform: none;0 x) }8 a& Q4 b
- -webkit-transition: all 0.5s ease;9 |, N, z4 P; M6 o- W$ m P
- transition: all 0.5s ease;0 s; x7 {& d, z" a! q5 n, q
- width: 160px;
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* T6 c! a! Z2 u- b6 ] - .tooltip-toggle::after {/ B( [* ]0 d$ u5 W2 T
- position: absolute;
( x8 l) G' _1 X% x1 w7 R6 ? - top: -12px;, d Y7 p# d# x1 t
- left: 9px;: O6 i$ H+ J- }0 q% ~# d1 F. H+ C
- border-left: 5px solid transparent;
: Q, g% z8 { [% W3 y6 [ - border-right: 5px solid transparent;
- x% s6 y5 L7 i' H5 z# a - border-top: 5px solid #2B222A;
1 S) e6 G2 ^. Y4 }$ i# M, k - content: " ";/ @* @) e6 n2 Y
- font-size: 0;/ W# L; i; l2 \9 c. u, H
- line-height: 0;; e1 v3 Y5 \- B) U
- margin-left: -5px;( ?/ c! w, B% t4 }$ u- M9 ?* D! I
- width: 0;9 u! z5 G' i& T" Z! s) M; ?
- }
% l+ y/ g7 h( ` q; k - .tooltip-toggle::before, .tooltip-toggle::after {' }- A5 Y% A P& M t7 w, \3 @
- color: #efefef;: c. g% \# @ U7 i
- font-family: monospace;
3 W& E8 Y: c- J) y' V$ X R6 P7 W - font-size: 16px;% v$ P" ?/ w Z8 p# ]( U9 q
- opacity: 0;6 V" }- T6 d' S: I7 X! W4 p
- pointer-events: none;; ~4 p4 i: H/ V
- text-align: center;- H& Y: B+ Z' Q' L \) o
- }
9 \6 z% f3 c3 l# ? - .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {
8 V3 g* ~) _7 n( q+ I9 q* ^+ i. ] - opacity: 1;
- U0 | P& I0 q+ [1 N5 x( t - -webkit-transition: all 0.75s ease;
$ s) p8 b2 D( q3 Y; g+ w! ?: ]7 l - transition: all 0.75s ease;4 {0 m2 w1 U; g/ F% e7 N+ _# q% c
- }
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">
" t6 V6 _& {+ @% }0 I1 Y - <ul class="nav-items">
# F) o( ] q" m- r9 X - <!-- Navigation -->+ p% i. I0 N; V- D3 A
- <li class="nav-item"><a href="#">Home</a></li>
+ m. L& D- {/ Y$ k& V - <li class="nav-item"><a href="#">About</a></li>
6 z6 @1 U) T( P" h# h+ {* p. p - <li class="nav-item"><a href="#">Contact</a></li>
5 r3 D. z7 N; [4 ~. G7 r* d! Y- k; A+ j - <!-- Dropdown menu -->
, w! s1 Y; w2 F1 N _5 W+ p - <li class="nav-item nav-item-dropdown">
" G# d. i7 \7 L* G - <a class="dropdown-trigger" href="#">Settings</a>. M, Q. d m4 I* z8 i% j
- <ul class="dropdown-menu">
# W6 }8 K) O8 ^. p* Z' a Q - <li class="dropdown-menu-item">
5 U7 O5 k. A1 U1 C& Z/ Z/ i - <a href="#">Dropdown Item 1</a>. s8 Y1 R" J8 X3 z/ O
- </li>; Y' G0 C: a. l, Z
- <li class="dropdown-menu-item">
% a+ x: H: p' K0 K- i$ K' ^9 ^ - <a href="#">Dropdown Item 2</a>0 a7 Y* ^" g, @9 x( @' \# E8 a
- </li>
3 F- c4 M4 D3 E- B5 ?$ ] - <li class="dropdown-menu-item">% M% `$ b5 }- B; ]' r6 ~
- <a href="#">Dropdown Item 3</a>
! U8 {) f8 r7 K6 _6 p: d - </li>
/ }: r1 z: i H8 t+ U - </ul>
. N' v! T7 C( p3 g3 P - </li>
7 F8 i, b5 W1 l - </ul>
; F W! b8 O* M5 l& t& Q - </div>
复制代码对应的CSS代码如下: - .nav-container {& h' q* u" ]* @4 P+ n# c
- background-color: #fff;, D8 e/ @' S( Z3 T3 I4 w
- border-radius: 4px;* U: z+ R$ [5 B. Q& d# S. }
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
4 M, i3 _3 D" i* d* Q$ S - padding: 1em;
|- d; a; h0 z& l& Y* S - border: 1px solid #eee;
# T4 z2 h* v* @ - display: block;( W, G8 C6 R& N- G+ G
- max-width: 400px;: k( ?1 G# ~. L( I1 Q
- margin: 0 auto;
+ {, _7 Z' o# o6 J! C( J- Q! t9 d - text-align: center;
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- ul,
6 c" J: ?" ~( Y2 b; l( V1 w+ d& @ - li {
0 b/ u+ _( U" j( b - list-style: none;6 J, X% D3 I1 c7 z) k. Y4 P
- -webkit-padding-start: 0;
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# x/ ^& X1 J, \! m - a {
1 H* J/ Z. R; y+ n! r% u( D2 q - text-decoration: none;( J/ ~; y$ B7 _% e. x9 A
- color: #ED3E44;
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- .nav-item { `2 a5 } i4 z8 B0 a
- padding: 1em;
$ g" ~: r% D9 x2 x( f4 { - display: inline;
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- .nav-item-dropdown {; |- I1 g f/ T$ Y) q2 c/ p) Z
- position: relative;$ x6 {$ o3 l6 H D+ i& m* G
- }( x2 Q; }8 D' O% G# ]7 r
- .nav-item-dropdown:hover > .dropdown-menu {
. a4 ^) C8 Q/ |0 k" Y J - display: block;& y) E* ?; Q* q% c1 M
- opacity: 1;1 a+ O/ R, q% q Q d
- }
' H# P" c2 j* p. m3 A3 k9 k - .dropdown-trigger {
8 H# E- V U+ |; N2 `1 z+ \' V- B - position: relative;
6 g/ p* V1 ^3 D) A8 g. l$ \ - }
( G; @0 a0 l8 V- u* z% C. ^& v+ v' X - .dropdown-trigger:focus + .dropdown-menu {$ P( J0 X& S( W' P- a+ Z
- display: block;
* J9 [! t( ~' P. @ - opacity: 1; [* r: @# t4 J, m; j+ a2 f
- }
9 b2 y r2 \% i7 ` h - .dropdown-trigger::after {
$ f( F' e8 e4 Z/ Z# D. ^8 z - content: "›";
& U8 o% L; w. s+ K- I - position: absolute;
% y9 A9 J x V7 \ - color: #ED3E44;
- R. e$ y, r, L1 a/ b - font-size: 24px;" m7 r! p& d- J! p
- font-weight: bold;+ b* J/ c" b) `! a! N+ b
- -webkit-transform: rotate(90deg);
; x; B( s* v9 [ - transform: rotate(90deg);
+ @4 r( J/ s/ ` - top: -5px;, I% R4 V- d' y, @4 |+ ]
- right: -15px;9 B2 N, t/ D3 Y/ J0 `: Y
- }
; _' S2 q9 S1 {: Q - .dropdown-menu { L: T0 ~5 h3 _& Q
- background-color: #ED3E44;
" v2 F/ T4 J- J2 N - display: inline-block;
% w6 o3 l; K6 s. z1 d* Q0 L; Z' e - text-align: right;. L! v! H0 X) W1 ]2 h& c$ ^+ l
- position: absolute;
s$ z( z& ^/ s0 g2 a$ q9 F! H - top: 2.5rem;7 E. `( l0 l6 t4 B( u x
- right: -10px;
. y# o4 o6 l6 b. ^8 x/ I - display: none;
2 w7 `/ [. {, ]5 T7 |' |+ b - opacity: 0;( O% Y. d' Y1 z& k4 ?
- -webkit-transition: opacity 0.5s ease; P7 A9 R1 U |3 z) F
- transition: opacity 0.5s ease;
% [) A8 x) L! [1 ]$ g - width: 160px;
6 ^6 b: }1 v3 O5 N q - }! U2 d" {& v3 D6 S4 S: n3 K! ?/ a
- .dropdown-menu a {
5 k N: Q# d6 h: F( I$ o) V& Z - color: #fff;* X9 G) n8 G j4 {! B- E8 _9 s
- }1 G O) Q. m8 Y0 E1 e: G
- .dropdown-menu-item {3 n: u% K4 K1 W6 @
- cursor: pointer;
6 i/ | \* K# j6 C5 h - padding: 1em;
3 m2 o8 k; J2 n6 H - text-align: center;
8 m8 x8 q* ?- O* z- Z) s - }- O) p( M8 v' m7 m( m) c9 @* g, f( K6 l9 x! C
- .dropdown-menu-item:hover {
, i. B. ?' ~2 H - background-color: #eb272d;
2 \5 I4 }" o- G - }
复制代码
" c; M/ m/ l4 g% W# }. L; i可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">* @' U0 F* E- s$ v/ P8 n& W2 {
- <!-- Checkbox toggle -->
: L! ^0 [$ I, h; c4 P+ t2 V - <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">" k" M2 _2 Q( A E2 F' K4 Z
- <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>
' k! D7 b5 a0 q - <!-- Content to toggle from www.mfbuluo.com-->/ K6 }; J& i2 `6 f; Y z, I6 D/ E
- <div role="toggle" class="toggle-content">7 A' r+ W, r4 o. e* i
- BA-NA-NA-NA!
* p0 O, g( S4 b: w6 W - </div>; _2 S- G% t4 E& g8 r
- </div>
复制代码CSS代码内容如下: - .toggle {: q0 G8 y9 f, @3 w1 [( T
- margin: 0 auto;. ? a& a+ @/ \% u i
- max-width: 400px;
4 Z3 ~4 Y2 h- X! @; p - }# t, b3 C1 r/ M& ?7 v/ p
- .toggle-label {2 Z9 ?, I0 `, y3 k
- font-size: 16px;
5 d7 v6 S* l: L# S* m3 k0 G - background: #fff;! m7 u1 \& P8 G( ^
- padding: 1em;
' |6 z( P) Y2 N+ Y+ n8 G - cursor: pointer;
( \/ V- \# [: N4 n/ s# @' m- S" O5 T3 L: j' h - display: block;" {7 i- z9 d8 f) {
- margin: 0 auto 1em;4 v) q$ F* a& X( Z ^( r/ Q: P/ |
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
, `/ U. a# N( V% j. d1 t - border-radius: 4px;6 f6 |& L" J6 Z0 F& ~6 h
- }
" e$ d3 m4 I' d2 c% a - .toggle-label:after {, h- n$ y# [- D7 I0 E8 Y
- color: #ED3E44;
4 q- v1 v" F3 ~8 q - content: "+";( }1 p$ w* \" |0 K# C4 ^3 R# Q5 `
- float: right;+ o9 I( l/ D5 v
- font-weight: bold;
+ N1 R* K. p' V6 S4 l" n - }
* E4 K0 N( Q: r( I. L+ V& _ - .toggle-content {
% b! o8 a4 @: S n; z - color: #B0B3C2;4 q7 X& o, S1 u
- font-family: monospace;
2 g- P! E, w/ S+ y! S - font-size: 16px;
- y* X# O* g4 [, a - margin-bottom: 1.5em;
) R2 B, D" v+ {9 `. P - padding: 1em;; Y, y0 O/ B! K, E
- }
- C3 J: u0 f. U+ w" [/ p - .toggle-input {
6 P6 _. `; \" }$ ^& ]1 p& O - display: none;+ G; V3 @" g! A
- }
, q6 j9 n% K7 {6 u - .toggle-input:not(checked) ~ .toggle-content {
0 ?, o. K8 @% Y o9 E2 f4 R/ } - display: none;
7 `2 X$ V1 U+ j4 J& Q5 b8 \9 Y - }
: C. ]& {! h6 i# Y - .toggle-input:checked ~ .toggle-content {
8 b' i5 N/ B* v" A - display: block;
0 a3 ^3 Q0 y( B8 D$ M- j - }
. Z, z. [0 s$ { Z. c, k6 }$ t - .toggle-input:checked ~ .toggle-label:after {
& O# q0 N9 T' ^0 Y+ `4 H) V - content: "-";9 S- j1 B- h% n% P" g H- b
- }
复制代码 ; U N; i& @; U+ B% M- F4 t( \
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