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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!">
/ k/ Q6 O& s) a! g4 k) T2 Q - Label for your tooltip& C$ J, Q/ G7 s
- </span>
复制代码CSS代码: - .tooltip-toggle {
( c. _! x. l* H8 \0 W1 V8 I - cursor: pointer;$ `; c+ c+ ^9 \% Q
- position: relative;
4 {8 v3 {" T/ z: |5 C2 E c: H0 ? - }
- T+ Z x% S- D2 V" m+ V* e - .tooltip-toggle svg {
3 k$ ]# X9 C |. H - height: 18px;
) s3 y6 M9 `/ [3 K0 n - width: 18px;
: P! Q9 e% |, K0 O a$ e, w4 J8 i - padding-right: 0.5rem;( S' u- |% l; X5 @: @8 {
- }* S7 n G" V7 j3 Z' F$ _
- .tooltip-toggle::before {" r' B' u- V; T7 u! q: _% {
- position: absolute;
8 f- J6 o9 J$ Y" s* A - top: -80px;
+ q5 y% C9 f- Z5 { - left: -80px;
1 _' ]9 [, a5 x! }- G% B7 Y - background-color: #2B222A;2 K% C* d% h! f2 x# H F
- border-radius: 5px;
; L4 i. b& y3 C5 u: v6 f - color: #fff;' T R: `. t/ @; u
- content: attr(data-tooltip);
% i- q- V/ D& J7 v/ [- l - padding: 1rem;' i N5 i; O/ L9 g0 M
- text-transform: none;
% H4 [" e' {. L6 }, b - -webkit-transition: all 0.5s ease;
6 I2 Y; m2 y8 G ?! _; W `- K: { - transition: all 0.5s ease;
9 J6 w! [! I8 i/ K1 V - width: 160px;
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1 b% F" s* ~- z; Z# p - .tooltip-toggle::after {
5 x$ D) @* ^4 o1 Y) d& Z' b/ W) C - position: absolute;: L% ^( m8 B+ m
- top: -12px; m4 I' s5 x+ ]/ S U1 v: Z9 A
- left: 9px;
% i! E2 o* {) V0 \, H8 C7 c2 m+ O3 C - border-left: 5px solid transparent;; l2 I9 `: g, W3 D! G5 @
- border-right: 5px solid transparent;% T/ [+ V5 N/ R0 v, Q! _' v( D
- border-top: 5px solid #2B222A;
7 c: U7 G$ M5 T& j6 ^ - content: " ";3 b: r; E6 n$ E2 n) Q& N, P( g
- font-size: 0;
' c. e8 T; \* D6 G - line-height: 0;
/ O" {5 w; i3 U9 K( h - margin-left: -5px;
4 O. n, v$ b. r" W - width: 0;- A5 [4 o5 A* x+ w" d; R' P2 w
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- .tooltip-toggle::before, .tooltip-toggle::after {" P6 b" x [* E& k1 v! v7 y3 |1 i* q6 f
- color: #efefef;
/ ]' e6 o- l* O4 z - font-family: monospace;$ P6 @4 n B6 v1 @3 g
- font-size: 16px;
+ f' k: e- W! m; N, J - opacity: 0;
! d. D) X& t6 V( H4 _# b - pointer-events: none;
7 H6 c, L- d o" O* V8 ]( t - text-align: center;
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! i0 S1 J) u' Y- V8 c - .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {2 z) B( c8 Z! V, J$ a, P( ^ r6 y6 F
- opacity: 1;
2 Q( ?$ Y5 S' [0 S _$ d/ D" [ - -webkit-transition: all 0.75s ease;% `2 W9 E# b) g _( v7 \' X1 H
- transition: all 0.75s ease;( H6 d3 S& P% K3 p7 [
- }
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">( Y" j; w8 h! d7 Z0 V
- <ul class="nav-items">" M" Z1 P9 ~* k& y- o
- <!-- Navigation -->
8 Q0 k) ~/ o8 ~, F. A - <li class="nav-item"><a href="#">Home</a></li>
! e3 X* H6 u, L2 i4 H& J3 q8 S - <li class="nav-item"><a href="#">About</a></li>
J: T5 b U% q) f* b% N9 k, j - <li class="nav-item"><a href="#">Contact</a></li>% d' d; N: W7 ]9 B8 ]1 x( r' A
- <!-- Dropdown menu -->
! y5 }, ~+ {0 B* y* H5 S, |& f5 l - <li class="nav-item nav-item-dropdown">
; |/ a- n! X; ] - <a class="dropdown-trigger" href="#">Settings</a>; J% b5 }) ~8 W7 R, A
- <ul class="dropdown-menu">
# }/ F/ s5 Z7 Q) o3 w) h - <li class="dropdown-menu-item">
D! k0 @# h3 G9 k - <a href="#">Dropdown Item 1</a>2 m* ^4 F$ d7 e9 b% t! g
- </li>! [; t! }' k' d# N# i5 R& r4 a
- <li class="dropdown-menu-item">
1 _- D8 e- V4 p R) P" N; O6 l - <a href="#">Dropdown Item 2</a>5 }2 F7 S; {/ k6 `5 t* V! n- ?
- </li>' i" e: n* |/ m3 }% k
- <li class="dropdown-menu-item">
8 H& `: v$ I7 m$ {% w% N - <a href="#">Dropdown Item 3</a>
1 {" ~* J4 s9 z- s& `! m - </li>) i7 Q* Z4 S- h4 @* I2 P
- </ul>
) ^" o2 \" E$ T7 v- r' G# O - </li>
# b) U0 d2 Y& l! S/ u0 g - </ul>
4 |# p8 L6 `- i - </div>
复制代码对应的CSS代码如下: - .nav-container {) |' |" x! {7 ~4 ~9 ?, @6 N9 b
- background-color: #fff;
& T8 ?! m( _& i q4 b - border-radius: 4px;
% y2 Q" P% r4 V2 t - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);* I- x6 j2 r9 b1 ^4 `( ^$ J/ s
- padding: 1em;
7 O0 f U% R/ l: c0 t1 v: k8 A - border: 1px solid #eee;
% V4 D9 t! @+ @% B! U7 M3 Y8 E, ` - display: block;
; @( m5 T$ Z. X, [7 k' `; i7 u - max-width: 400px;- M" }' S5 D' Y
- margin: 0 auto;1 H8 k% ~; f2 g
- text-align: center;
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- ul,- q5 [& d, g; k% @2 n" N/ X8 o$ r9 \
- li {
* q+ z& E4 Y: I# w4 h1 K9 Z! D - list-style: none;+ l4 Z0 G Z7 e: R# S' V; C
- -webkit-padding-start: 0;
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- a {3 R6 j2 G! l' \" J, f5 x
- text-decoration: none;% S$ Q+ K) h4 m ~- C# q. c
- color: #ED3E44;
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- .nav-item {- J6 H5 |% E( U* o2 E1 Y! ]: L
- padding: 1em;$ m* [# z2 }, |! _) s7 r
- display: inline;/ o+ b- U% |1 }! f9 p
- }
2 H9 o! T5 {. p# P - .nav-item-dropdown {
7 i8 p5 ~: x, B& f3 Z7 b" l - position: relative;
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- .nav-item-dropdown:hover > .dropdown-menu {- R7 y: G5 W- Z# D+ o' J* M
- display: block;* [' S6 s9 |8 M7 Z+ r% A
- opacity: 1;
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- W7 s4 ~ d& t7 |, t - .dropdown-trigger {: q5 T6 J8 A. \, B
- position: relative;
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$ }& I7 F$ S! o5 v - .dropdown-trigger:focus + .dropdown-menu {% H, `3 B( O- K8 @& l- C8 K! Z3 j" h
- display: block;
; o0 n V2 g8 d" ]* x$ ~5 S- z - opacity: 1;
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* A1 S3 w) V* x6 V$ ]- A - .dropdown-trigger::after {
( v& a+ K4 D% v) H6 q) q - content: "›";* c; }0 @- Q$ i7 O% s& U {! v
- position: absolute;
4 l% ?8 _5 j5 P" N; }# P/ l - color: #ED3E44;
; q& Q) ~& V* d9 g2 {- t/ n - font-size: 24px;
- O' f& l( J2 G, Q - font-weight: bold;
+ k, K- t8 k( f' X - -webkit-transform: rotate(90deg);
. n. s: W" [9 Y( z& Z - transform: rotate(90deg);
5 s d3 h. L, |$ q& n - top: -5px;! u7 O0 s% S! E. T- B {; H/ M
- right: -15px;
0 x" F7 I- ]# G1 k- I; i; T - }
4 Y0 i5 y; e$ g0 F - .dropdown-menu {5 D4 H: X4 Y7 C/ g
- background-color: #ED3E44;
: c4 R5 P6 y' \& Y+ ~. v - display: inline-block; W4 ^" ]1 p7 Y d
- text-align: right;
- g/ i' t& f9 K1 w) e7 M) z# n - position: absolute;
: Z# R( x' ]- d" @0 b/ u0 d' h - top: 2.5rem;
: |1 @ p8 f1 G! G/ i" j - right: -10px;
# d2 z; k$ U! O! f0 D1 l - display: none;1 N$ n0 ]6 X) Y& K$ E
- opacity: 0;8 a G' o$ v: ^' m6 b/ r, o4 [6 [
- -webkit-transition: opacity 0.5s ease;% J! t2 j- y* h
- transition: opacity 0.5s ease;
! F/ x. C2 `2 ~8 e - width: 160px;
# ?- D/ m% M$ _6 m - }
! z6 p9 {7 N4 H8 p# O9 R7 z5 a/ | - .dropdown-menu a {$ ?" O+ c) p1 H$ t8 f4 q) p$ s
- color: #fff;
$ [4 ^' t4 k4 n1 ~6 }/ p, v - }: X# |8 @" a3 y) \9 E
- .dropdown-menu-item {
9 i9 u4 n* [9 a3 T - cursor: pointer;9 P0 h$ C- V0 ?
- padding: 1em;
! B' E7 h* v* A' M/ x1 c8 T - text-align: center;
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- .dropdown-menu-item:hover {
! b# t9 X0 u- u& [" r - background-color: #eb272d;' K0 }6 f: I5 D: R+ m! K9 K- V$ {
- }
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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">! g' M) P Q, Z$ s+ D8 Y8 N
- <!-- Checkbox toggle -->: [$ P) w; j" c! b+ }. c4 E
- <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">5 ]5 V* A5 E, m; u* t( P
- <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>
5 L' S2 Y% r" R1 n: H# w - <!-- Content to toggle from www.mfbuluo.com-->
6 k, S5 h5 a7 x. s( y" T - <div role="toggle" class="toggle-content">2 K" b5 p7 E. U
- BA-NA-NA-NA!
A2 ]1 L9 _0 j3 `& e8 v - </div>; Z0 b0 g" V1 [5 F: j- q! ]
- </div>
复制代码CSS代码内容如下: - .toggle {
0 {/ c9 m7 z6 I$ h6 w& _* Q: c: f# F- r - margin: 0 auto;1 Q% ^' G0 X. w0 k- B# u& x4 M' h& ~
- max-width: 400px;; y7 Q* J5 M# S* d; _3 |
- }" C8 r2 J, Z0 r4 }& @7 j. A, A
- .toggle-label {: T0 t0 i( l" a
- font-size: 16px;
9 a* y3 |$ {) f1 w6 V - background: #fff;# P' g' h, t) B
- padding: 1em;: B( J, |. T2 F7 R9 T4 L: s& Y$ J
- cursor: pointer;
2 x4 O$ ~! W: ^% K0 d' L1 ?- b$ x, x - display: block;$ d0 f* g( I9 p1 t9 }; T
- margin: 0 auto 1em;
& @. N1 S H6 Y% o" D" A: |) T5 G - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
. S3 ^& }# q2 X4 {" r# L - border-radius: 4px;
, J/ E; P% u; B5 h1 X, J - }
0 N& k7 ]! y: k% p, ~2 d - .toggle-label:after {
3 n! B2 J( }$ w - color: #ED3E44;$ ]/ }2 B7 I0 V/ l+ ]
- content: "+";; O8 u' R" _4 S/ |' z- B
- float: right;" N& A. v- `4 m- v6 E' i
- font-weight: bold;
; x# P9 m$ e5 T$ }: H - }
. ^& K! X% l ^" v- T0 H - .toggle-content {, s3 C& c$ D$ k3 z
- color: #B0B3C2;/ N; a+ W4 `4 M. P
- font-family: monospace;6 c! V5 A0 i) h- `! w3 ~* W4 @
- font-size: 16px;7 B( f* h9 \; ~) Q( n5 | F
- margin-bottom: 1.5em;
+ q; k9 d' f" f5 a( i - padding: 1em;
4 R2 S' _8 W* H7 J7 _8 z! r - }
9 s1 r/ P& P: m( l6 \ - .toggle-input {
) Q& p0 H* V7 ]( _ - display: none;
( M# ?9 R! ^! x) R - } k- I% o7 }0 Q5 a0 Q
- .toggle-input:not(checked) ~ .toggle-content {
% l( T/ Z6 z: j3 S" W# h - display: none;( C7 F2 l* n2 m+ y
- }- p, [- u, |0 o- C. ^
- .toggle-input:checked ~ .toggle-content {# ?- Y- p$ k! m& }0 y' d6 V
- display: block;$ y. p0 q' w; W; F' E
- }
; g! ` Z- @& d2 b+ x |$ b - .toggle-input:checked ~ .toggle-label:after {. u# L/ Z4 `7 q
- content: "-";( S9 w. b( |+ w+ q
- }
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