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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!">+ Q* ] I( F' V) t% O* f, w
- Label for your tooltip
5 M& b/ o# k7 _/ n0 j; T4 r; ? - </span>
复制代码CSS代码: - .tooltip-toggle {: Q8 l/ D8 _! ]3 ^' r) |1 P! ?7 J
- cursor: pointer;
. r; y' @8 F0 M6 I4 M S6 l - position: relative;
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2 l' E" ]* I i( p( p# |: C$ T - .tooltip-toggle svg {, v9 b) L6 w& J% |( V* z" o
- height: 18px;
z, ]' ?' h! Z" f4 M; A0 _ - width: 18px;
! t: j5 V5 `, p' ~ - padding-right: 0.5rem;
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0 w+ W2 x# v( ?! u' k) P/ E - .tooltip-toggle::before {' j9 G3 X2 B) ?2 ^/ u; |. z& [+ `' a
- position: absolute;" S; J2 `0 u1 X# I
- top: -80px;! Y/ V7 }" `, m9 Q6 k3 C0 w
- left: -80px;
1 R/ c. c. T$ k0 R) I$ G( ?& X - background-color: #2B222A;4 a& u X% L& i8 n% M
- border-radius: 5px;' B% v% k/ [4 Y( o( q3 { @
- color: #fff;& S, t' \; F7 U; P& s1 ~6 M$ d9 C9 l
- content: attr(data-tooltip);6 K5 e0 C* s! y# T! i+ A
- padding: 1rem;; C& ?. W+ ?2 f' ~# u9 A
- text-transform: none; k+ g1 j4 `/ S; e( a3 Q' B! m$ O- Y
- -webkit-transition: all 0.5s ease;' f/ O1 V8 f% u9 G. E) \
- transition: all 0.5s ease;
/ k# T( A) x5 Y* H - width: 160px;3 I0 M- _9 `" u4 o/ l
- }
- T7 Z, s: F7 j. S/ o/ ] - .tooltip-toggle::after {
( U; e3 H2 e. K/ z: P3 @ - position: absolute;
& a4 X& S. M" N+ P - top: -12px;+ z% x4 o1 N# O
- left: 9px;+ Z+ E+ w- f6 T
- border-left: 5px solid transparent;& s4 a% c) T' d7 D' D# I
- border-right: 5px solid transparent;
; J w- g) y& P8 C2 y2 u - border-top: 5px solid #2B222A;: d6 {- W6 c* r% S+ e% J
- content: " ";
, o! S- K2 }* b - font-size: 0;) |+ ]! [7 B5 M
- line-height: 0;: h3 U- z, Z. ?- a
- margin-left: -5px;
& e0 z. O! w0 b% G- B1 [ - width: 0;) |7 A. U: P9 \; D4 @
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- .tooltip-toggle::before, .tooltip-toggle::after {) K& O5 e2 |6 d4 H2 Y1 p
- color: #efefef;
: G2 h& @- D& ]; h m% }! F - font-family: monospace;! {7 L; p4 V8 c$ f/ \& y4 ]
- font-size: 16px;
/ y0 s! N7 \6 F - opacity: 0;
1 T |+ p7 K# [. p# y+ ]7 ~6 U5 J - pointer-events: none;& A* \6 @6 q4 o* {# X3 d3 r
- text-align: center;
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- .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {. d6 C# w; w$ L
- opacity: 1;
: X. k3 `! j; I8 D) V8 G- c$ Z, }: L - -webkit-transition: all 0.75s ease;! S7 A. w- x! s# q
- transition: all 0.75s ease;6 t3 ~- f' e& ~" ?6 z+ z
- }
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">) W. |6 g( y7 ]: f" g6 ~7 b
- <ul class="nav-items">
5 z8 t1 D6 R1 i, h" d/ E - <!-- Navigation -->
$ B: t/ R% e9 l/ A) w# a - <li class="nav-item"><a href="#">Home</a></li># Q4 D9 b% F: T+ I3 B |) p, T
- <li class="nav-item"><a href="#">About</a></li>- W! O* ~2 G7 e0 s
- <li class="nav-item"><a href="#">Contact</a></li>
6 r2 j! w# m8 ^: { - <!-- Dropdown menu -->" j3 S6 G) u! _
- <li class="nav-item nav-item-dropdown">7 Q3 f( y2 n: s. w
- <a class="dropdown-trigger" href="#">Settings</a>
# H' m& F7 f8 H6 e( o* V( g - <ul class="dropdown-menu">
8 W8 x: H( V) X* S - <li class="dropdown-menu-item">' E8 T4 s3 O' l9 E! H
- <a href="#">Dropdown Item 1</a>' ^4 |' a& i% p' m' Y3 d- N
- </li>, p; ~( a+ `- D+ d
- <li class="dropdown-menu-item">
0 a* ^3 n% R+ w% }4 X' v& l& N. R - <a href="#">Dropdown Item 2</a>( O* v; }3 s* `$ f% n' j3 j* }% N
- </li>
* k& ~2 ~% m7 N$ ]+ \+ M4 G - <li class="dropdown-menu-item">3 q8 M0 `4 {& B. u8 l
- <a href="#">Dropdown Item 3</a>
: |$ J3 X/ q& @$ N' y; t - </li>
# A$ F% r; l! f, n" L) ^6 h) g - </ul>
+ U# w3 v9 n& B; l; Z - </li>
j& d; ?9 b8 \* U - </ul>0 y! H8 \. B+ } P
- </div>
复制代码对应的CSS代码如下: - .nav-container {
" w% ]; t& V: y G4 K4 a - background-color: #fff;) ~8 z% n( O! k$ h3 T2 `2 g" s
- border-radius: 4px;" w# C* p( V) n Q6 s
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);/ ~7 i0 v9 d5 T4 o
- padding: 1em;4 s# K8 R) L1 v
- border: 1px solid #eee;" {' d* p& c( E, q- y
- display: block;
; t8 _5 O6 w+ r, q1 o. ?2 e - max-width: 400px;
/ |5 @8 I9 F2 K! s% ? - margin: 0 auto;8 i4 c) l% N& c! Y
- text-align: center;' V0 R0 l* G! K1 u0 j
- }
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- li {
8 }+ B& J/ p+ S8 ]% K- u8 B. l - list-style: none;0 U6 w) [% z. r
- -webkit-padding-start: 0;; G1 x6 c7 W' U3 W2 J8 U
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- a {) w' R! t! R# W* u
- text-decoration: none;
$ _& Q8 ] l1 b2 d) |7 ?5 f - color: #ED3E44;+ S5 _6 n1 }5 M1 V# k; g4 f
- }
; c) B# s% w) @$ d( Z; C. P - .nav-item {
! ^4 m1 r# ~) K6 t - padding: 1em;
5 y' A% M1 [& S - display: inline;
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- .nav-item-dropdown {: U/ U0 ]+ \. N# Z; l. \9 X
- position: relative;$ M, S4 k( A3 B% l0 a* T# z
- }
3 W' L8 o- b2 g" y; k7 { - .nav-item-dropdown:hover > .dropdown-menu {
i9 k( H: X0 ` - display: block;
H2 \; q% P8 B - opacity: 1;+ H8 ~2 q9 I x1 u3 C8 P1 m
- }9 n4 X5 F. V- H% Y! Z" I: X/ n
- .dropdown-trigger {
* `( J$ O3 i1 Y1 ^1 d& S3 G - position: relative;
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- .dropdown-trigger:focus + .dropdown-menu {. ]7 ]- T' {0 N* l
- display: block;" x5 ^, ]8 \. C, h2 z
- opacity: 1;& p7 P9 G4 \% e2 G% f
- }! d2 H6 r5 B" a% x- O0 E
- .dropdown-trigger::after {
1 `0 R4 ~! q1 F* E4 x K/ V# N, U3 E - content: "›";2 N: W# I0 w1 K }% k* }, o2 w: t
- position: absolute;' T( K- }7 o9 e/ P; V4 {9 {$ y
- color: #ED3E44;' y: t' X/ j$ C9 K* R4 m6 h
- font-size: 24px;
1 p5 e$ @+ x* Q: |5 G! L3 O - font-weight: bold;
. i3 h5 @/ s9 a& ?) |$ x - -webkit-transform: rotate(90deg);7 g% N8 c: o( D! q8 ]0 l3 Z( N
- transform: rotate(90deg);6 M& _, u: C& L/ M3 K% i, I
- top: -5px; J2 ?0 ^0 ]$ o! \( s$ e
- right: -15px;
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, ^% L1 o [! {2 B% t3 n3 \+ H4 v$ V - .dropdown-menu {& ^% i- i9 U1 n5 [+ Y
- background-color: #ED3E44;
' z6 x5 J% x' I8 u- U1 D! }5 v! s - display: inline-block;
. m( n8 D4 s; F" x% O% N2 l - text-align: right;2 Q/ Z. @1 _ I D8 B
- position: absolute;
- V4 d' j0 O# X+ z - top: 2.5rem;# P4 F D+ \: M; d- x
- right: -10px;: g9 ^! V @) k0 i$ l/ ]
- display: none;( C3 y' ~, |6 n3 E& L, q6 E
- opacity: 0;
4 Q% [" c+ T! E; R1 j2 W - -webkit-transition: opacity 0.5s ease;: W- j+ b9 M/ Y0 p8 K% ?
- transition: opacity 0.5s ease;# m$ F1 D4 x& u# q! A
- width: 160px;0 m- _6 a- k3 r
- }
5 \9 m( U# g" ]# S; ^! t' T5 G, G - .dropdown-menu a {
; b- h+ _) s' P7 p+ L( s - color: #fff;4 i: b6 }9 ]2 \* D- h
- }
6 N, B. x) S% b4 U( \3 D) Q - .dropdown-menu-item {; T- |! h" D e# C1 H+ m
- cursor: pointer;
1 s- a3 K1 W4 d: E Z' o4 h: L3 l - padding: 1em;
) F" o* m2 N4 f8 m - text-align: center;+ p k4 ^8 ~" w9 I' r0 D& K
- }$ k8 P; M( H' _1 v
- .dropdown-menu-item:hover {: K8 W, i; Z& _" K/ e, N
- background-color: #eb272d;6 Q: a+ `. }3 Y, J/ o. B) r
- }
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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">
, c" r7 Z4 [/ S4 i3 O' q' ? - <!-- Checkbox toggle -->) k) I; e# F" _$ t$ H0 ]
- <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">( f- M9 j J! W8 P! O5 ~+ `" P/ D
- <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>5 R4 f; }& I" m+ C( j4 f6 c3 R7 z
- <!-- Content to toggle from www.mfbuluo.com-->
. ?. d c/ j6 ^1 ]% e* c( I - <div role="toggle" class="toggle-content">
1 `7 x! i5 Q4 h - BA-NA-NA-NA!( R- C6 v; L2 [8 ]+ m% g7 I* S
- </div>
+ s# d# @" V7 u8 ]( p, Q: \0 E - </div>
复制代码CSS代码内容如下: - .toggle {
! p* l; T4 |2 N' y" k- d$ r - margin: 0 auto;2 i7 m7 o0 A+ `- M
- max-width: 400px;
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- .toggle-label {/ R3 w* G0 V9 Z' T. K" e0 e# _
- font-size: 16px;* Y& y. q6 V$ o$ \. g2 \
- background: #fff;
# {: Z3 d' K1 D& i - padding: 1em;
: l( q0 `% B& A8 |8 ?/ d \4 J - cursor: pointer;
# r8 G: p4 V$ ~' X1 f! }8 @ - display: block;+ x0 p1 T" {9 u. T
- margin: 0 auto 1em;
9 D$ _1 S* }5 I# k2 X# t/ p - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
0 F% n6 Z2 [# o n - border-radius: 4px;, \- x. a4 R2 d% M6 {
- }
6 ^% q+ k0 E+ t+ y1 U - .toggle-label:after {5 G/ I, l( \9 \7 f: Z4 F
- color: #ED3E44;
, n [; W1 T" g: _ - content: "+";
' F \1 |/ X* @( [! ~! O - float: right;' u4 d* }, f4 x7 D" s
- font-weight: bold;+ D9 i2 }7 j+ I6 `. i4 t
- }
) d, Z0 L6 C, U1 E; ^- ]" n$ N - .toggle-content {- u9 t& k3 h i. U# p$ I% t
- color: #B0B3C2;5 [0 Y) n% C% Z& G
- font-family: monospace;
: Z V w- W$ z0 t0 \9 O - font-size: 16px;
# [, q0 M6 {: Y" O4 E8 {- {4 @ - margin-bottom: 1.5em;$ \/ n# M' c& B; ?7 y
- padding: 1em;
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- .toggle-input {
8 x1 @" A* V* } @. v" a9 a1 r - display: none;; n6 |" s/ N5 X7 q
- }
^/ J1 b4 S1 p0 t) y0 L) B, s - .toggle-input:not(checked) ~ .toggle-content {
, `9 r# g$ \/ K; B+ x: @9 m - display: none;1 r6 z- v) u. r* S" a/ N4 Z
- }
( J! d/ Q: ~5 d% m9 p8 p: c1 k n2 e7 M2 P - .toggle-input:checked ~ .toggle-content {
5 v5 U* {: N3 j7 x8 n9 K# ^* F - display: block;
- `* s; T9 ^' c' r, Y- D7 \ - }
" D$ r1 E* ` l" g* v* S8 N - .toggle-input:checked ~ .toggle-label:after {5 j9 {: n" y( c/ {
- content: "-";- ~. u1 v2 N% U, o1 s0 d# ]. f8 O
- }
复制代码 ' x9 d, A% L8 j# `, ]$ L# z( Q4 V2 l
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