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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!">( F; C9 Z( m- |1 ^" Z; S2 _
- Label for your tooltip; w3 x8 N( Y( ^; g8 E8 g
- </span>
复制代码CSS代码: - .tooltip-toggle { z* r8 C8 q9 J# Q3 y; d0 _. y! }
- cursor: pointer;6 R0 M8 L6 \- N( x8 M5 M" j8 t8 \
- position: relative;
B2 L' T! y0 ]4 `1 v! K" w - }
. P1 q3 _2 h$ \ - .tooltip-toggle svg {5 G6 g2 Z9 O4 Y
- height: 18px;* V" d/ G% R/ C2 z- q5 o0 o u
- width: 18px;
& {; o4 t u! [9 S$ I+ x% ] - padding-right: 0.5rem;
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- .tooltip-toggle::before {
( q6 n% _% U$ P: h$ P! \ - position: absolute;
. o8 V: O9 S! B. f% o! k - top: -80px;
9 ]7 z) R0 l4 E: k - left: -80px;
' z1 J* H* t: r* R O - background-color: #2B222A;
7 E% Z6 l4 z" c7 p( h+ W! h - border-radius: 5px;) o. L c# V" z4 ?4 j
- color: #fff;
; [5 Z8 W! R& y3 G - content: attr(data-tooltip);
. ^. y( \% L9 e" w- b) W - padding: 1rem;
) s& U* E& O# L, ` - text-transform: none;
6 G t( {8 i; i* n$ A' { - -webkit-transition: all 0.5s ease;" h5 R5 e# F3 N7 k1 P
- transition: all 0.5s ease;+ C' U/ @+ ]1 w' |
- width: 160px;
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- .tooltip-toggle::after {
7 u9 F$ W5 @, M; R - position: absolute;
" [1 ?' J3 @. c - top: -12px;
; O( K' P- U9 b# i0 C$ M% X - left: 9px;$ e# |0 h4 f! B# J
- border-left: 5px solid transparent;" u6 R9 f9 S* c% P/ |; w
- border-right: 5px solid transparent;
) X0 d) s, p. q1 `& m8 f8 D' f - border-top: 5px solid #2B222A;
/ `- `# \* ^6 T2 k! }% |# l - content: " ";0 [/ m5 S5 n6 W! i9 X; A* I
- font-size: 0;* b4 Q- t- f( R4 h/ y3 L7 I
- line-height: 0;
, W! P/ ]. |5 A: l- l) { - margin-left: -5px;
8 V% @8 ~: x% t* {" w - width: 0;3 C+ i) y1 ]# S7 e0 T
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- .tooltip-toggle::before, .tooltip-toggle::after {" e* J/ f5 C" k' G$ p# z6 }
- color: #efefef;1 K2 P/ l5 U7 h* U6 u4 l Q
- font-family: monospace;
$ H2 Z) }+ Z7 K) {5 K/ ` - font-size: 16px;. ]+ j) C0 C W& U4 P+ S5 l
- opacity: 0;
' a8 X3 Q& q/ l% N' I+ u1 s8 c - pointer-events: none;8 k% V) t7 w) c1 f9 D2 y
- text-align: center;' J! x* v: i! t0 B
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- .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {
) q5 y4 `( h- }1 R/ i - opacity: 1;
( {& Y' ^9 e8 x* [8 M - -webkit-transition: all 0.75s ease;
3 c5 J5 O5 ^1 p. z% l - transition: all 0.75s ease;6 ?# c% N4 o# a2 @* _
- }
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">
" f, n5 R c; b3 m9 S - <ul class="nav-items">( h+ h& ` F. V; q0 F5 j
- <!-- Navigation -->" B) v6 g6 ` A2 f
- <li class="nav-item"><a href="#">Home</a></li>
& }$ V |3 f2 I# A' i3 e - <li class="nav-item"><a href="#">About</a></li>
% ]$ j! I! [, v0 u* \: g' l - <li class="nav-item"><a href="#">Contact</a></li>
6 p" i) q" k$ u* k. X% _ - <!-- Dropdown menu -->8 i7 M1 x9 _+ z; Q- t
- <li class="nav-item nav-item-dropdown">' U+ R! O8 G5 N$ e$ S! N/ O
- <a class="dropdown-trigger" href="#">Settings</a>' g( V% B3 d, K; b- X$ G
- <ul class="dropdown-menu">
; ^. H9 J1 U9 v* \ - <li class="dropdown-menu-item">8 o0 M Y# O( O
- <a href="#">Dropdown Item 1</a>
# v9 A% u8 G( {: k E h0 P1 u4 h - </li>9 g7 A. n, W4 M
- <li class="dropdown-menu-item">
$ V7 g7 l: O% u- u - <a href="#">Dropdown Item 2</a> U; j7 p( o; F
- </li>3 N8 L/ d5 z5 X3 s% {
- <li class="dropdown-menu-item">& B/ z( R# Y j# y+ C1 l' z
- <a href="#">Dropdown Item 3</a>
& M( }" O3 ]6 L - </li>
; R$ W7 q* k& o+ [0 x- f" Z& ~ - </ul>
/ ?7 G$ N) Z' s2 {: j - </li>( m6 v: ^% @$ I7 }7 d/ _0 m
- </ul>' }+ X- [8 ^7 s. U5 {& q
- </div>
复制代码对应的CSS代码如下: - .nav-container {6 j4 a' W' c3 {2 o. c9 Z
- background-color: #fff;
5 k" X; K$ M7 G/ z - border-radius: 4px;: ? u& H& W g O, a" d: R
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);- t( O$ G( }7 I$ G$ K# T
- padding: 1em;
, {- l4 \6 _. a - border: 1px solid #eee;, K a3 D# ?7 k) o
- display: block;
7 c: t2 L( Z& f; K& O - max-width: 400px;) _2 o; M! ~: i; N2 J0 Y4 m, y
- margin: 0 auto;
& S7 i+ N! ?9 Y5 H8 E2 g - text-align: center;& f( E7 _8 d+ H( F
- }( h& E9 ~- }8 y( q2 k' b
- ul,+ f2 y) t8 o4 |4 i- A3 P! N
- li {
6 e3 b. _4 _6 h5 n5 F, M' ?/ S1 X0 F/ ^ - list-style: none;# x% R- L4 `& ]4 k0 P0 d
- -webkit-padding-start: 0;0 n* Q4 a) M5 j$ b3 r7 o
- }
2 f7 A; p. U5 S$ C7 @! y - a {
0 E: j9 s& c7 ~9 w) _ - text-decoration: none;. V) l6 y R# ? |
- color: #ED3E44;1 @# l' J, g) J
- }" G+ `# _& s3 P& S& e
- .nav-item {, P3 [6 J7 N" R- m
- padding: 1em;
# l C. W+ t5 e" S - display: inline;3 c7 M* k; w, t
- }
% P! p# T& b1 Q- m - .nav-item-dropdown {
) w4 |! L( r, V2 ?7 a! Y# u- Q* J - position: relative;
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- .nav-item-dropdown:hover > .dropdown-menu {
/ D% i) N V. L: A3 P - display: block;3 Q" ?3 D" d ?9 Q
- opacity: 1;4 M# x* [5 }( W0 T4 v9 U
- }
9 U" q- m8 `% @5 G2 _ - .dropdown-trigger {
5 l! x! S" T) i0 Z - position: relative;' d. m9 G; H% E; b& g1 X
- }
0 X) S9 x6 z- D9 t - .dropdown-trigger:focus + .dropdown-menu {0 ^ i8 |8 e* T+ G
- display: block;0 C8 k& }) M7 i' W; V7 V
- opacity: 1;
- s9 B; l) u. x) ? - }
3 X* k9 `9 m4 e7 m! H2 o0 t) a( @, S - .dropdown-trigger::after {9 [ x% o2 o' {- v
- content: "›";
) u$ I. |" D! _( E7 e - position: absolute;) f* @0 [6 t t5 ^
- color: #ED3E44;
3 N' @* X& A+ }& b/ e - font-size: 24px;
% ^/ D3 ~6 j9 Y g* o L: a - font-weight: bold;
+ f/ v* F( ^2 d; O2 ^, Z8 S0 i/ s3 P - -webkit-transform: rotate(90deg);3 G" y5 ?; O% V
- transform: rotate(90deg);; S% ]2 d# M' f! R2 ~1 K
- top: -5px;% ]1 p/ N5 Y- N- n
- right: -15px;5 V- \2 Y7 |: e0 O+ r! F/ l9 [
- }
+ J- U8 O1 ?" p, \( p7 R - .dropdown-menu {
0 s* g& i: V2 D& S( p - background-color: #ED3E44;) ? n1 A5 _: ?
- display: inline-block;
$ M1 N/ J& w, [6 _ - text-align: right;
. s: ^! G+ L4 g - position: absolute;5 |8 l9 S# O# p. \- S# X
- top: 2.5rem;
y* K( g: J! O9 G4 p - right: -10px;7 g% V3 ?. q" h( Y9 v$ r
- display: none;( h5 X( }4 d. I: U
- opacity: 0;8 b7 O2 T, Z- j/ T2 B. C, H4 X
- -webkit-transition: opacity 0.5s ease;" S. p/ _# N7 l3 c: b+ ^: ]
- transition: opacity 0.5s ease;# y/ x" a( \0 l1 K
- width: 160px;9 c$ M0 p8 ^; t
- }
6 m- N$ P, }9 T, ]$ @ - .dropdown-menu a {$ Q$ Q% o0 ?8 r+ n6 }3 f5 D2 [: f+ v
- color: #fff;* a( }' D( |- n C6 h# n7 S% }
- }
9 n( A8 {1 o# O- ?9 d8 w - .dropdown-menu-item {
; m: P$ }: C% g. J - cursor: pointer;
' r7 {5 Y# K; u: @. ^ - padding: 1em;
, r* s( M# [& S% R( Y9 P# R" X1 j0 @ - text-align: center;
v4 R9 R8 a, h$ G) Y* y - }
6 \) J8 b& Y' b! i# n) ^) { }9 R - .dropdown-menu-item:hover {- Q" \4 X( p# D/ K/ D7 s
- background-color: #eb272d;" ^( z, s. Y8 Z
- }
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5 l. Z5 o% h u, Q4 S* Q. y可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">
& R4 S- C( m* U$ B. D6 T9 s' c - <!-- Checkbox toggle -->
) J0 |3 s" f' y x1 i5 ~# x - <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">! i' Z+ v0 c- {; t5 O, O
- <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>
. |# u9 y) j* F+ X9 } - <!-- Content to toggle from www.mfbuluo.com-->
( N) X" W: j t- h X3 D - <div role="toggle" class="toggle-content">
3 X5 J6 Z5 ]2 h; ^' X - BA-NA-NA-NA!- S3 X/ h9 S, C# e+ \
- </div>, z" v! K: ?) r# A0 @
- </div>
复制代码CSS代码内容如下: - .toggle {+ q. w, v2 D5 ~
- margin: 0 auto;7 y1 W t: {4 r5 s2 T n2 R
- max-width: 400px;- ^6 a% C$ i- }5 f1 f
- }
9 M* i& t1 h2 \, x7 b0 W: o' X - .toggle-label {
) r1 d& y9 l* }/ G - font-size: 16px;
; u- t3 a+ ~6 N/ G' Y, x - background: #fff;
! r5 R, [" v4 w, K7 u N% C - padding: 1em;
6 n. J2 Q3 _( ] - cursor: pointer;( _4 g O" g* N* f: P! l
- display: block;
9 U* m" Z! z0 w: O - margin: 0 auto 1em;0 d9 m# w( g$ R. ] h. o
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
, z; ]- H0 Z/ V - border-radius: 4px;
2 g# R8 [7 o6 I( O - }
8 ^* K" I7 [) \) c3 Y O - .toggle-label:after {- p/ U6 B, T: y( ?5 ^, A: O
- color: #ED3E44;
0 X+ e! a) b! \- r9 O - content: "+";
- f# u/ T: I0 m# C3 ? - float: right;* Y+ _% q. O: L* H2 Q+ y
- font-weight: bold;
* B! w, G# Q4 R% F, Q - }
$ k" m) e) X' e. P- [; C - .toggle-content {. B. \# t% O" l" [
- color: #B0B3C2;
3 @7 N$ f9 A& p( Z) O - font-family: monospace;
( F# i7 e4 s8 e2 U* e - font-size: 16px;1 I# J$ A% G. N" x. T8 U
- margin-bottom: 1.5em;9 ~4 s* B" k1 M. f
- padding: 1em; i; ?! U" _) @* w
- }
& Y+ W& o9 C9 c3 H - .toggle-input {" \ {/ s) M( Z& S7 ]
- display: none;8 u# B3 m& T. w' ]8 J# T# ^
- }# x% x+ A' B7 A: f7 _6 C0 y6 n
- .toggle-input:not(checked) ~ .toggle-content {. e" y3 s4 G* K$ ~& [# L5 U C
- display: none;
6 E" h! l; x( A" X - }3 F; x1 B, s9 O/ a5 S
- .toggle-input:checked ~ .toggle-content {& ]' O3 C/ ^- i% V* |* s$ W( C
- display: block;
3 h+ @' o, G4 W7 f7 Z - }7 B I1 Y, Y3 ?6 i! x1 @5 ?
- .toggle-input:checked ~ .toggle-label:after {
0 W) g1 F+ Z1 B7 |, V - content: "-";' U1 Z8 S5 g1 N# ^" _/ M# b
- }
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