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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 m+ G" r! K/ c/ |' {% g! H
- Label for your tooltip, Z& ?* p4 n! V$ W4 |
- </span>
复制代码CSS代码: - .tooltip-toggle {% I5 v3 B/ }0 Y, P9 n
- cursor: pointer;5 g$ j- B# k4 a: Z! M9 c
- position: relative;
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- .tooltip-toggle svg {
. K7 W, x2 U, Z( {$ J. ]7 f( n/ G4 s - height: 18px;# c6 b% z8 }- t% e& d
- width: 18px;' z: {" s: t; G% J
- padding-right: 0.5rem;
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- .tooltip-toggle::before {1 P" I: {% k0 K
- position: absolute;
4 i8 f/ z& x' g/ M K - top: -80px;) E2 T8 r/ [' f
- left: -80px;; Q' h2 Y# W, _& g
- background-color: #2B222A;7 M6 \! v6 B3 O( V
- border-radius: 5px;
2 E( D v% h6 K5 G3 q. s( b - color: #fff;
( w2 Q! f# m2 B* p/ W1 B" k$ B+ [* l - content: attr(data-tooltip);
+ c; p& n/ ?- z( G - padding: 1rem;
# \& g/ T# O8 V! R9 ^) `& I; n* z - text-transform: none;. C# k d! F( y! n5 G) F# O0 Z# [7 b0 r
- -webkit-transition: all 0.5s ease;1 n4 T1 d/ K. \* N; a+ O7 `7 _
- transition: all 0.5s ease; f: s6 u/ w2 @' g( b1 @3 G9 p& o) v/ A
- width: 160px;
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- .tooltip-toggle::after {
+ y7 |/ U# j" S/ r - position: absolute;2 a4 A& J, ]: V2 E% U
- top: -12px;
/ Z7 _ x2 A3 D$ X - left: 9px;
1 V# O- }1 j' n& r - border-left: 5px solid transparent;
) |% Z; m4 n+ F$ f9 w - border-right: 5px solid transparent;1 {0 v3 @+ I. t* u
- border-top: 5px solid #2B222A;
: G1 c# G, m) v8 b: p - content: " ";5 p9 _% u7 d" t T7 N* L+ p
- font-size: 0;
, k: }% }% Y: X: [. K - line-height: 0;6 m# E- E- v$ J; t
- margin-left: -5px;
* \6 I# V) h' L; f7 |* F - width: 0;- I8 T8 Z# |, p( ~# ^
- }
: x6 Q* Y4 i- _0 n, W - .tooltip-toggle::before, .tooltip-toggle::after {
( l0 z2 j7 i! }1 R - color: #efefef;
9 I' U. [7 @6 v: z1 f - font-family: monospace;; z/ X. d( w( [4 X" p2 v h1 S
- font-size: 16px;
# g$ W& R# J- A% W- _ - opacity: 0;
6 S* e2 h, V, k6 H - pointer-events: none;- @4 i' y7 T( S# h
- text-align: center;, s! ]3 v% W: s1 c
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- .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {
4 d ]( ?% R- I" r/ x3 F - opacity: 1;
( X9 B1 Y" Q7 T) B1 o4 @$ c - -webkit-transition: all 0.75s ease;
" m ~1 }/ Y0 z. r) L - transition: all 0.75s ease;& d) K Q# y- j
- }
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"># p& a: T6 `) @+ {
- <ul class="nav-items">
2 ^: b6 B5 c i: X - <!-- Navigation -->
. O; }( t4 u7 n$ u - <li class="nav-item"><a href="#">Home</a></li>
2 G, I2 E3 e, _2 X - <li class="nav-item"><a href="#">About</a></li>
" l8 J/ y( D$ c; c8 F- Y2 a! \( @! V - <li class="nav-item"><a href="#">Contact</a></li>
* |( `# \- C; f - <!-- Dropdown menu -->
6 W+ J7 ~$ H O i" E; W - <li class="nav-item nav-item-dropdown"> e* _/ o; j8 I5 K
- <a class="dropdown-trigger" href="#">Settings</a>. q1 A+ H$ M& }8 c! f
- <ul class="dropdown-menu">0 k4 @& v; m/ u7 R& v) {" ^
- <li class="dropdown-menu-item">
# r, r; D. R- d/ |6 d - <a href="#">Dropdown Item 1</a>
' W1 D; S6 e m j# l4 T1 A - </li>
( G: k$ \. U |# M - <li class="dropdown-menu-item">) W' \ q/ v* X; s3 v5 a
- <a href="#">Dropdown Item 2</a>
/ q% ^8 J+ y, C+ e- ? - </li>3 Y4 @3 H$ p$ u: Z
- <li class="dropdown-menu-item">
5 A! i2 u% V( P - <a href="#">Dropdown Item 3</a>5 A5 j# S- V& N; i
- </li>
9 d; f+ b& r1 r' z: R5 F - </ul>
6 r h+ k9 y$ J1 N3 c- ` - </li>
n7 C5 r4 C$ G! h - </ul>) D v; `# N R' ~2 W, A
- </div>
复制代码对应的CSS代码如下: - .nav-container {
$ A4 k) Z& N- G7 p - background-color: #fff;
1 k" N, C- m5 H0 u5 q - border-radius: 4px;
: M. ?7 x( u9 j% E/ I - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);, H6 m( x- _# L, I/ W3 o
- padding: 1em;6 _# G3 M2 C$ }1 j$ e# \
- border: 1px solid #eee;
% x2 r7 E7 f" M: T$ k+ B4 K - display: block;
# G& R9 L$ m) c' U( d - max-width: 400px;
& S3 Y# z1 p e$ {. A i" B; U" h - margin: 0 auto;. U5 U3 n8 ^ g0 D, L
- text-align: center;
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- ul,$ ^4 c7 e$ Q3 I, Z) e( O5 ?. ^
- li {/ ~: Q3 M4 @7 r% M$ V- F
- list-style: none;: V% g9 |6 p2 l- s, F [, X
- -webkit-padding-start: 0;
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- a {
& \' g* y" [$ G0 P - text-decoration: none;
+ v+ O# m/ j7 {3 Z: U& {: X - color: #ED3E44;' l! d. w. N. V6 [7 V
- }1 A% \2 B2 R( P+ q# j( B- y6 c y. c
- .nav-item {5 ], q7 s; W) @' p# h5 X
- padding: 1em;
1 [; N. _0 [1 x9 W6 B - display: inline;6 Z7 I4 J7 Z$ n) L, E% z2 ] S2 [
- }
$ U0 X! @1 ?+ n" V - .nav-item-dropdown {
0 J3 B: B% Q! y4 k: S4 a5 r - position: relative;
5 Y5 o3 m0 p' V- L) N$ e - }
6 _ A% z) h. k" \ - .nav-item-dropdown:hover > .dropdown-menu {
( ^$ I* E8 _; [0 O/ r - display: block;
) w9 M( j6 w! L) Y - opacity: 1;
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- .dropdown-trigger {/ Z! ~1 D/ s4 ?$ }; p5 Z: A
- position: relative;
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- .dropdown-trigger:focus + .dropdown-menu {+ \$ y# |5 g5 G
- display: block;1 g. p, F$ \; C1 w
- opacity: 1;& i; s) [& W' X+ k" d8 [
- }
( j0 e3 `6 C0 N% {" r. k, I) z- y - .dropdown-trigger::after {7 f0 }' ]3 \: v; w
- content: "›";
0 R) e; d, l7 z& Q; N$ Q& w* C - position: absolute;
# \% b% e7 X' c, f! r - color: #ED3E44;
# }8 n! {+ O% [! B* V - font-size: 24px;4 i* Z1 p: b& P- t
- font-weight: bold;* d+ M- ~% q, V% x2 U
- -webkit-transform: rotate(90deg);7 w7 A1 q1 H3 L. a) C0 I* H
- transform: rotate(90deg);
y) M& P6 Z" r- }7 a- c! B0 ` - top: -5px;# T k$ j& b: n# b) H0 ~- K$ J
- right: -15px;
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- .dropdown-menu {- D" ]- b. n" n& A" a9 T
- background-color: #ED3E44;
) H4 B$ P8 J6 z - display: inline-block;
) j' ~; I Y4 `* Y - text-align: right;; s& P7 }( @( I( B& Q# H% D
- position: absolute;
I5 e6 L8 R4 q j4 Q - top: 2.5rem;7 l8 Z: I) W; }
- right: -10px;
1 O. \. b6 R: Q- C: F6 y - display: none;0 w! h Q3 F" ?$ w
- opacity: 0;
% j5 Q; H1 Q( d/ J6 s# F8 w - -webkit-transition: opacity 0.5s ease;! x" Z% M R8 s. `" v4 R9 ] m
- transition: opacity 0.5s ease;; M* z& K+ Z3 U* F5 }
- width: 160px;1 t2 u' \% L P7 @+ t' r
- }$ I2 c! k8 Q* n2 E- F& r C
- .dropdown-menu a {1 f% K5 V7 a8 D% B9 ]& q8 ~ {4 V
- color: #fff;# P* W5 i r+ ^' r
- }- C- ?6 ]; k' j( o
- .dropdown-menu-item {6 U3 N$ @: E4 {4 t* _
- cursor: pointer;! j' ?7 y. r0 i- R4 {' N4 S
- padding: 1em;" m) `9 E# T2 x2 J2 x3 t/ Y% x' A
- text-align: center;
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) B, N/ A! e$ r# l - .dropdown-menu-item:hover {2 z4 r1 i! A" e/ z5 K; s
- background-color: #eb272d;
5 q9 T% _+ ^- j8 A3 ?- z - }
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# \. u$ u4 e5 ^/ E n' }可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">
- V6 Z: B- H2 x* R - <!-- Checkbox toggle -->
I# y5 k7 ]$ D$ r - <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">6 h1 n1 Z( U m
- <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>- k b4 O( f6 s
- <!-- Content to toggle from www.mfbuluo.com-->! c0 U/ ~% ~0 ~8 u: n: N9 x
- <div role="toggle" class="toggle-content">
6 r5 i3 W' p" x/ ^1 U. z: M8 B - BA-NA-NA-NA!( j7 _& M% y) |/ f$ q' q
- </div>
) \' p+ g1 o$ k: _) O - </div>
复制代码CSS代码内容如下: - .toggle {
. C$ g7 y" T1 L" p* d: x" r - margin: 0 auto;
( B' p- ?4 j8 f5 X9 n+ i - max-width: 400px;+ u- P: K& f) N. c* |4 e% a5 z! Z) I5 n
- }
0 i/ s" I3 z b" W - .toggle-label {& t3 I6 t1 {: }# m
- font-size: 16px;9 P+ E* D! R2 {" g* h. W
- background: #fff;
2 w# L, F1 g" O! u! h/ Z - padding: 1em;1 S: E$ ~4 J' h6 k6 ?1 O2 D
- cursor: pointer;: n$ V c1 d2 K& C
- display: block;
- h/ o2 R$ D8 D' w% y - margin: 0 auto 1em;* W5 [8 ^6 H: Z; N; h
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
7 @6 r9 H; p. y* B& K - border-radius: 4px;
W& r( ~/ L* f7 j& i% V, H - }
$ y- ]' R' j! [ v% j/ C6 c+ W - .toggle-label:after {
; q* U$ |$ |" l, Q - color: #ED3E44;
$ d+ K% \% \/ S# @0 {# z0 s) }- Z3 t - content: "+";" h) Q a( X0 `/ ~6 ^$ u
- float: right;7 n/ b# V+ i, Q; U' {, \( G
- font-weight: bold;5 w+ J- y+ y7 ^. b* ~9 W5 o
- }
; n+ j# A. h7 E - .toggle-content {# {4 P( `! r3 h% M, B
- color: #B0B3C2;
9 [9 s' Q' M5 s8 N) \ - font-family: monospace;) w% x4 [% d0 G) B7 d: ~
- font-size: 16px;: w* Z* M2 H/ Y' M6 A: i% w' Z
- margin-bottom: 1.5em;/ m# D+ @6 d: j4 @+ ]1 l
- padding: 1em;9 d* v s3 [$ Y0 ~ v
- }
" D0 v0 q0 t3 d2 e4 E - .toggle-input {
/ E N+ \% x7 |' ~0 p7 @- G' ^ - display: none;
- I; v* X5 J8 c. T( L - }
3 a. u( s* b7 J* _) G O - .toggle-input:not(checked) ~ .toggle-content {% n/ M3 X l ], i
- display: none;
. i) C% A+ L; }/ X) X- H9 [ - }
; k& A' R) p, O - .toggle-input:checked ~ .toggle-content {6 Y4 d4 |6 U1 U' }
- display: block;
+ q+ d. B* {. G- w; a - }
/ c% F" B/ c6 Y - .toggle-input:checked ~ .toggle-label:after {0 ]3 c- `: S' g
- content: "-";' b2 \; j# x' B8 _5 E
- }
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