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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!">
) C. m3 |2 r# G; G: e. r - Label for your tooltip3 J) u- m( D# T/ j
- </span>
复制代码CSS代码: - .tooltip-toggle {
4 F5 \6 a/ `9 q' j& `5 t3 R - cursor: pointer;% P, z' T6 _$ x2 R5 l. S8 \, x
- position: relative;5 Q1 _2 h0 _! A* ^; c
- }
8 V, y) `' O3 \ g - .tooltip-toggle svg {
( K+ u1 x( y# C6 Y1 U% y. f2 P - height: 18px;3 p* B, y7 R- E2 l6 Q& G
- width: 18px;
3 n) L& v; t: F. ] - padding-right: 0.5rem;9 v- g7 c8 z& N6 D% I* s, z' m
- }: E# I+ ~0 Z* f
- .tooltip-toggle::before {9 @4 Y5 w. b# V. J2 J0 a
- position: absolute;+ O& O+ ]1 ?# q3 i/ e4 u
- top: -80px;; i. C' P# x% q9 h, L/ Q6 F
- left: -80px;
/ w: o0 J6 Z) t) L - background-color: #2B222A;# _: ^3 C+ P" i
- border-radius: 5px;& d) D+ T6 V8 l+ b5 V5 x
- color: #fff;
* ` Q' }1 T; Y# z& N' r - content: attr(data-tooltip);
" W4 u4 A M# C( a - padding: 1rem;
* h8 V+ m; s( l9 O* H0 Y - text-transform: none;- ~: E. }6 l$ U" }$ {0 I+ G
- -webkit-transition: all 0.5s ease;9 f6 w' F- k: J5 ~4 X
- transition: all 0.5s ease;% f# W& M* L9 |! S
- width: 160px;( B) `" g& F. Q7 W" B
- }; s! L6 z; N p) c: Q' Z
- .tooltip-toggle::after {4 w* N7 p9 I2 J4 z; R4 u
- position: absolute;
0 J! d: {7 Y% U5 Y, C - top: -12px; S9 j) X, X% D8 }" ^+ f
- left: 9px;7 x# K& M4 L" l7 P
- border-left: 5px solid transparent;
F9 [4 T7 M4 _ - border-right: 5px solid transparent;! j+ o/ p { o8 y
- border-top: 5px solid #2B222A;
5 r& @% P! u- ~+ w# c4 { - content: " ";/ n# s6 H3 y4 t; A" n+ Z
- font-size: 0;
7 U4 w1 v5 `. j2 }# x$ k3 K - line-height: 0;
3 B; L% k9 a- M - margin-left: -5px;
, `0 @- B. C5 M5 m - width: 0;* s- U- D. h+ c. d2 Y# P9 P C& v( V3 J
- }
% n9 q) _- w8 X J - .tooltip-toggle::before, .tooltip-toggle::after {( V* O5 c6 ?9 V
- color: #efefef;
+ [+ l# U! u: B8 M A$ O j - font-family: monospace;
# c6 L& V/ v. H" ]$ J - font-size: 16px;
& h) o3 ~ f/ ]: r - opacity: 0;
( ]/ I7 J% ~8 `) t - pointer-events: none;
" f# _# G+ d6 I" f, W9 @/ D - text-align: center;
% X; ~! ?: w3 r! f2 U2 n - }! V p3 {) P7 U4 J2 W4 {
- .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {
& a. ]6 f6 Y w3 z! a+ Q; h0 y - opacity: 1;
7 {# }3 l: a* l7 E3 Y7 l& s - -webkit-transition: all 0.75s ease;3 Q1 y, r: l8 p p3 l
- transition: all 0.75s ease;( T/ M( K% \, B
- }
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">+ j9 V$ p y; j* H
- <ul class="nav-items">
s% X7 t, A# o% B0 s C6 O - <!-- Navigation -->
8 q% P$ o1 I5 V g* Z2 k - <li class="nav-item"><a href="#">Home</a></li>
, o! ^& H+ q: c9 C7 g7 \) F2 g - <li class="nav-item"><a href="#">About</a></li>
1 _4 ?* I+ I4 K; G& R" o - <li class="nav-item"><a href="#">Contact</a></li>" t! w% E! u5 I( f( E
- <!-- Dropdown menu --># A4 A( H: Y( B
- <li class="nav-item nav-item-dropdown">. m7 h+ ~4 C8 A$ q
- <a class="dropdown-trigger" href="#">Settings</a>3 l' @8 V( V: d+ R: b u
- <ul class="dropdown-menu">' e$ O1 M! b1 |# O
- <li class="dropdown-menu-item">
; t1 O, Q7 B9 ]. f- [. L3 T, ^ - <a href="#">Dropdown Item 1</a># ^( V, ]' X0 C; l4 p0 {
- </li>2 I& Y4 L9 B" u& o' u, \
- <li class="dropdown-menu-item">
+ f; ]3 |2 g/ H. Z - <a href="#">Dropdown Item 2</a>
4 g0 X) Z9 i- i+ Y( D6 T - </li>
: e* S+ u3 y, V0 M& G7 |( E - <li class="dropdown-menu-item">. E; O0 d8 f! |* J6 x! g0 R# ]
- <a href="#">Dropdown Item 3</a># {2 m: J- ?! D: Q3 u; C# {
- </li>
0 p" P9 h* H- ^# J! h3 w1 e9 `' Z - </ul>* V1 T; i2 p5 @' k1 d8 D, |+ `3 J. r
- </li>
g0 V! C8 K! U1 L9 r" d( @ - </ul>
. A$ t0 P3 R7 }7 }, k - </div>
复制代码对应的CSS代码如下: - .nav-container {
- q: @4 b7 T% o8 K - background-color: #fff;! C& v, n. l0 Z: B+ B$ E
- border-radius: 4px;9 ^ R; |, X2 y% s
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
- ^/ Q6 L8 ~2 c( t u - padding: 1em;
+ [! s! Z: t# |; b, x1 j - border: 1px solid #eee;
) U2 q F7 ?' l7 | - display: block;, f0 d [- u8 V* x5 z
- max-width: 400px;
' X. q1 E/ d& T" x# y0 w: A( L) { - margin: 0 auto;" r; U3 i! l) d* r$ t' |5 y
- text-align: center;
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- li {2 O/ i5 S% S+ O. p6 k( W% b" p8 O
- list-style: none;
% K7 T: M/ D( u( p; u - -webkit-padding-start: 0;3 q: V V- [8 ` j6 m* p
- }
4 J& O9 m% D9 i* {1 m) t# \* k - a {
6 X% |, O K5 g9 U. b5 V - text-decoration: none;' j" @ y, q' l7 y+ @& H
- color: #ED3E44;( s. {' R/ d* V% z
- }
u. \3 l3 x2 h/ {2 t$ e! w0 M) x - .nav-item {
u' Q( b* \0 _7 A' u - padding: 1em; E3 |; y" k. p) m! H% f4 s
- display: inline;
2 f3 Z' j S; b7 A - }
1 n# D* }4 V6 M. p M - .nav-item-dropdown {
& U! U' e# D) w+ S7 c - position: relative;* i0 F" l+ f4 ], U6 Y5 b" F2 S
- }
* l5 Y* a' }: }2 l# a1 n - .nav-item-dropdown:hover > .dropdown-menu {
8 ]+ ~. Z$ w9 y8 E* [- a - display: block;5 O! @$ U9 j; B
- opacity: 1;
& [1 i1 j) `1 ?6 T' E/ \ - }
9 z5 k5 a3 n: |- I9 Q/ ~. w& [3 Y. X - .dropdown-trigger {
4 b4 S+ p. s% a$ B" v# l& ~* `/ t - position: relative;9 F5 q8 ^, C6 X4 s5 f, S
- }
2 R$ ^9 }: ]' h! S( b - .dropdown-trigger:focus + .dropdown-menu {" Z! E' Q% o/ L4 f1 U
- display: block;' `* U# W, N6 M* c: j5 G1 u) m
- opacity: 1;
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- .dropdown-trigger::after {- ?6 t1 }' F6 W
- content: "›";
: Z; d7 g% Z5 F* L5 s - position: absolute;& y& ~9 N/ C6 g9 [
- color: #ED3E44;
F+ c! L7 Y: c* k. a" W - font-size: 24px;( {' ? y( i+ H: ^4 B1 o$ I
- font-weight: bold;' \/ C5 X) r; ?% N `6 y* U
- -webkit-transform: rotate(90deg);4 t2 S4 r! Q9 h0 u# f( Y
- transform: rotate(90deg);* Y3 Y% u7 |& y% a) Z y. E
- top: -5px;' L, N9 k: q: Y0 C& @3 S3 k
- right: -15px;
" U( C0 o+ d2 H - }
+ G! i, A1 e6 o3 U. p8 i- V; }$ w% U5 i - .dropdown-menu {
& m7 \9 ], {" U1 l3 S - background-color: #ED3E44;
& F0 N8 i% `, y9 h) U - display: inline-block;" }. J0 F5 b1 G! }) [
- text-align: right;; n$ J2 d$ w; p5 B8 M/ T: r6 W+ I
- position: absolute;
5 w6 s# p0 r. c' W5 k" Q) a - top: 2.5rem;
& M0 M8 r) Y& Q# X - right: -10px;% M% d k' G4 \5 o: q
- display: none;" z# c6 X, b- z" L4 o& e7 b- N
- opacity: 0;
7 A5 F7 C6 Y4 i9 z% L" e - -webkit-transition: opacity 0.5s ease;0 v7 W K/ ~* U5 ^
- transition: opacity 0.5s ease;
8 Q# E/ W0 G+ z1 S( m, J; H7 E% g - width: 160px;
, H: L1 @) J& G; a a - }
, ^0 O. |9 N: U - .dropdown-menu a {& Q: c! x& p# ^/ w$ ~! e
- color: #fff;9 g+ j) u; w0 e2 g, }* C& U5 P# h
- }
; R' N7 b- z0 ~ - .dropdown-menu-item {
: P5 w8 x. Q( x6 q* ] - cursor: pointer;# y7 Z' |9 A; D/ r) B0 b" m9 s
- padding: 1em;$ P. I" i6 w3 |: L. a
- text-align: center;3 t' I* {& Q; S5 e# i1 b
- }
( Y2 j/ b. D) Y5 ` - .dropdown-menu-item:hover {
) \- I4 A4 t8 a7 f- m* O4 ^2 F - background-color: #eb272d;
- N# ? W2 G) z; |5 v u - }
复制代码 , k& W; ` T5 W! z! [5 I2 ~
可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">
% e- f8 j6 @! h( B0 I* y$ _* |! b+ p - <!-- Checkbox toggle -->
+ \4 _- A% ~1 `+ W' V- x6 J* s - <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">
$ w+ ~8 N% F1 Z* b( |% K - <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>2 U% _' M% s2 M. j. f
- <!-- Content to toggle from www.mfbuluo.com-->) g: R# s/ l- E) N7 t: _
- <div role="toggle" class="toggle-content">
# g/ S4 E. w0 m, s9 S9 \" U4 { - BA-NA-NA-NA!- |. }0 x/ p! ^6 Q# v
- </div>/ l* ?, `- A; v
- </div>
复制代码CSS代码内容如下: - .toggle {
5 U8 h. [7 u; W4 k. B) d - margin: 0 auto;. C' g! S( X4 b+ V
- max-width: 400px;
1 y/ h, h. |) y/ W2 n8 u# D! w - }
$ [2 L1 m0 X; \- ~! X5 t8 K$ d - .toggle-label {/ B" {/ X! K- \3 C1 f5 u
- font-size: 16px;
/ j! r, N/ c( Z- K, c Y - background: #fff;
3 c+ T/ O6 S& a* M$ R% }3 B - padding: 1em;5 w/ _( ^* _, X( Y/ ?
- cursor: pointer;
7 s0 N' }- l2 d |+ c: W - display: block;
9 B$ o8 [$ M3 u! u m% J - margin: 0 auto 1em;( o) b- P# y* I4 N
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);, T" o8 @9 q! q3 v& a1 b
- border-radius: 4px;
/ W9 C u+ c# `, _! ?6 k - }
. G8 C* T! {! F o# J/ e! |: ~8 e - .toggle-label:after {
/ k7 d" z/ i" n; H9 U: I+ Y - color: #ED3E44;
' v, b# y* X) b& d; y - content: "+";
, I; D* ~! Z; y+ U# \! U# P - float: right;
K. j/ \" a8 L; I" u7 C6 }, J - font-weight: bold;, y: s' W/ t2 X2 A; x) r& T9 ~
- }
/ L2 b3 k: i# F6 q% M - .toggle-content {
0 D: D& x; h3 t9 l8 v1 C - color: #B0B3C2;5 ?, z# @4 w8 d4 L3 W
- font-family: monospace;
4 C- Y$ B- [7 g- I/ {0 F& p! R6 ]1 J B - font-size: 16px;
! _0 C. G; ~; W& L3 w - margin-bottom: 1.5em;
3 ?) K% Y2 R# a& \1 \- O - padding: 1em;8 O4 K' e- i8 N( z3 r& A
- }
* m; O f5 L! N1 z& ? - .toggle-input {0 l3 V/ j, Y0 r7 M2 n- O% H3 Q+ N
- display: none;% r+ Z- q, k; F1 X) K9 r
- }
C+ I5 q: c9 C - .toggle-input:not(checked) ~ .toggle-content {
% Y$ T$ \7 y1 o0 n' F - display: none;) E1 a* \0 w0 S- N( M$ T6 L" x @9 a7 \
- }4 B# M* y8 X( u( L
- .toggle-input:checked ~ .toggle-content {
* s. o2 k4 s* i* g7 w - display: block;
* F& [" P* D- F( j% U C - }) F/ z! N* R" ~0 m
- .toggle-input:checked ~ .toggle-label:after {
3 N6 V7 Y1 h5 P+ X; E( ]/ n - content: "-";3 Q7 e1 a# O' |! ?& D) l
- }
复制代码 0 G6 k! P8 Y% n& a3 N: x( R
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