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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!">8 J: F# m# ]0 l
- Label for your tooltip2 f8 e" a# j# E" B9 |1 k
- </span>
复制代码CSS代码: - .tooltip-toggle {
& d4 @1 ?; D! k; {# a! y- X - cursor: pointer;; H: x% a# F3 l
- position: relative;
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- .tooltip-toggle svg {9 f+ J" I& k+ G3 v8 W- s9 a- s7 `$ r
- height: 18px;
% |4 M6 W& U1 Z1 R/ N4 L. C - width: 18px;$ V/ f& g/ W- _# B
- padding-right: 0.5rem;! `% L9 D) {! d3 S1 }4 V4 x
- }
* R6 b1 ^: J4 z. E - .tooltip-toggle::before {
: a, M/ h1 z9 R" A: Y* j - position: absolute;$ |0 v) x8 D* U9 s. b5 |/ H, Q
- top: -80px;
/ w5 J: ?# ~* ?; L - left: -80px;$ v/ x* }. t+ b T% H4 N
- background-color: #2B222A;
' h. E$ f; R, }+ P( R, o' q w - border-radius: 5px;
$ L n5 T: V* X - color: #fff;
0 K6 I t( z( ~ - content: attr(data-tooltip);: q% I' c% {4 o" J
- padding: 1rem;4 Z9 a, l; B, c+ r
- text-transform: none;
0 p+ ?( ^0 b! j& f! V; C+ X' l5 J - -webkit-transition: all 0.5s ease;& R0 e( d/ E0 R/ K( M
- transition: all 0.5s ease;
, }$ i, q0 ]' g, K+ h - width: 160px;
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: o6 i& M3 n. x - .tooltip-toggle::after {
Z: j" k H: Y( @" ]2 Q: g! I: U! M - position: absolute;8 s$ _' v8 k* R5 n+ |
- top: -12px;
+ c$ W( H4 Z6 r0 u$ D1 O, c - left: 9px;2 M7 z- g) m9 g% H
- border-left: 5px solid transparent;' ]/ z6 Y3 e+ H3 y) ~0 r
- border-right: 5px solid transparent;
9 y7 X9 H6 {! I+ G3 h5 \1 [ - border-top: 5px solid #2B222A;
; ]; J8 _5 P* o i - content: " ";
7 Y+ E% `& | t% A- }/ z7 j0 X$ L - font-size: 0;
) i% b' o4 l- }% j/ ] - line-height: 0;
% M3 X4 k9 J$ b - margin-left: -5px;4 z* y0 N- t5 O- Q
- width: 0;' H8 n( T5 P! s
- }
- J: ]0 z( |0 a5 m! `3 d ?4 | - .tooltip-toggle::before, .tooltip-toggle::after {' N) \- D' @% L
- color: #efefef;6 o4 Y ?; G, n# `8 a
- font-family: monospace;8 x; K# x3 t+ _2 k
- font-size: 16px;! y# y5 g3 f7 f3 I# N7 P
- opacity: 0;1 J; F0 H( t3 |
- pointer-events: none;" k n, P7 X& p
- text-align: center;( @( I2 ~0 k" Q4 x
- }9 C" K% L: k! Q, Y# E- {
- .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {( X( ?* h. s1 U. U# J1 c$ B
- opacity: 1;
. K$ p; d6 d8 _6 O - -webkit-transition: all 0.75s ease;# o- [ ~7 w" ]- b, w: ~+ l/ |
- transition: all 0.75s ease;( J5 |3 N- R0 Y M$ u) R1 N4 r
- }
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">
9 B' u" m; z, ], `! L" }$ M4 U - <ul class="nav-items">- J% c: J# @! S! P
- <!-- Navigation -->
4 k/ x4 J4 o* I0 h - <li class="nav-item"><a href="#">Home</a></li>2 S: J3 y0 P6 ~4 X0 f: G+ e- i( x
- <li class="nav-item"><a href="#">About</a></li>
3 z- e5 Y& x; V6 ?" \# U0 {$ _ - <li class="nav-item"><a href="#">Contact</a></li>
7 o8 i( E" J4 ~ - <!-- Dropdown menu -->$ C$ n e8 L, _& k
- <li class="nav-item nav-item-dropdown">$ F# I1 K6 F! x" `' |3 E1 E) k7 K
- <a class="dropdown-trigger" href="#">Settings</a>) s, j* f8 s6 P8 J8 v$ \
- <ul class="dropdown-menu">) Z# K: |; l7 b! W5 w' E9 m
- <li class="dropdown-menu-item">+ C) q/ q2 |9 V- `* P" d
- <a href="#">Dropdown Item 1</a>/ N4 B# b. t. `" t* k
- </li>. J: v$ m3 d! r+ y) K
- <li class="dropdown-menu-item">
. ~; v" Q; E7 N# d5 B; K - <a href="#">Dropdown Item 2</a>
2 X6 _2 D- V8 R# g# \ - </li>
0 y2 w+ T. p3 A+ h& } - <li class="dropdown-menu-item">$ M1 X! Q; z; k2 c6 \4 m
- <a href="#">Dropdown Item 3</a>
6 s( ~6 e1 C. [. h0 { - </li>6 h0 i2 f2 d* b! V U) G: d
- </ul>
9 E; A5 n( ]( B D1 w+ t+ V- ~/ W - </li>0 v5 s+ {. a8 i% t% Z2 `& J
- </ul>
. A* r" X5 X0 o, j( N - </div>
复制代码对应的CSS代码如下: - .nav-container {$ e2 P* I( F0 N, p+ n, I6 y/ o
- background-color: #fff;
& ^3 [" H1 N* q; T - border-radius: 4px;
6 B8 }" S+ c, i7 o - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);0 F; T! U8 R' `
- padding: 1em;
9 Z: y6 p0 O9 U2 V- j' X - border: 1px solid #eee;/ H, X& r9 i3 k( a2 h
- display: block;& w* } c6 Y: y* N
- max-width: 400px;
' B& M* m( y$ v - margin: 0 auto;
5 i* ~) d6 D6 s- d! J" {/ ^/ P - text-align: center;
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- ul,. p; V" U# w4 ^$ ?7 h7 F/ H0 O
- li {5 ~& [. X7 U& P; Y
- list-style: none;
) I1 U% E0 H' I( E/ u - -webkit-padding-start: 0;
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1 h4 F3 C! f3 O) @$ w1 o" o - a {
! Q3 e. `8 K, {$ y0 T; j - text-decoration: none;
& S7 L% r, }4 D: _& e$ i9 X - color: #ED3E44;# @3 I, R2 n& J
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- .nav-item {
% \2 _0 [7 z3 Q - padding: 1em;/ r& E4 b) y+ o, d* c. H
- display: inline;
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4 W) \5 F9 ]) u - .nav-item-dropdown {: D; G) h' T4 d/ M% S& z- U9 `6 @
- position: relative;
- |" U% r' v6 x* ~ - }
7 p( y7 `5 O" M3 b - .nav-item-dropdown:hover > .dropdown-menu {
* M" Y5 D' O' @6 `% F - display: block;, S& c2 R: q# |1 g- J+ J
- opacity: 1;9 T1 X1 O0 {( b2 M7 P6 E2 t
- }
0 E! Z' B5 a2 c* H" ~/ Z2 D2 E# z - .dropdown-trigger {
- N1 c4 `* _ O+ r, a - position: relative;/ P# Z- ?( w% z& [+ T9 B
- }# H" I l( f1 b# {# z U$ k
- .dropdown-trigger:focus + .dropdown-menu {
8 h S4 y+ Q. t3 g3 v - display: block;
0 ?. m& Z7 ~; M - opacity: 1;
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- .dropdown-trigger::after {- j+ i$ U. v. c& B I! _0 w# U
- content: "›";2 w7 U( h# z9 r1 V- _& s
- position: absolute;/ o* Y3 ]1 s$ _
- color: #ED3E44;' z. q3 Q. N1 R
- font-size: 24px;6 \8 Q. Z+ W7 F! s% k1 r5 _/ l
- font-weight: bold;4 N; F3 N. R, {$ `+ [( m" Q
- -webkit-transform: rotate(90deg);/ }- D w: k0 I7 Q1 ]
- transform: rotate(90deg);. G0 _6 ^. m2 R' `, w* G2 D! U& |
- top: -5px;
: r2 w2 T7 j; n) ~# G! C0 [ - right: -15px;' z/ M( o, P$ [$ x9 v% u
- }7 |- {+ E+ k% {
- .dropdown-menu {# }8 p7 w0 G9 s$ ]
- background-color: #ED3E44;+ h; W, l; Z" M6 g1 R$ I" s
- display: inline-block;! O7 o/ ]. M& L; [9 ?) ~$ Y
- text-align: right;6 Z( v" V. p5 G3 i
- position: absolute;
5 l& k5 b6 T# Y/ i: \' c: P+ h - top: 2.5rem;/ z/ e% N4 \5 O M- {
- right: -10px;' f1 L" _- B& ?, g7 @
- display: none;2 T. S1 o- p% ^5 `0 t& o
- opacity: 0;
- S j8 Z' R0 {8 i2 \: k4 e - -webkit-transition: opacity 0.5s ease;
, o0 w- |$ `- k) n6 N - transition: opacity 0.5s ease;% r; l9 }: ?& H8 a
- width: 160px;# |& V: X1 R' q! \6 y8 X1 Z) f
- }+ \) A$ } J/ @& X f% ?" X9 Z) o
- .dropdown-menu a {# ?9 `7 y8 n4 P0 k$ }! I% h3 j
- color: #fff;
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- .dropdown-menu-item {
) a+ Y( Z0 f! S1 e - cursor: pointer;
6 x& \) J% W n: A - padding: 1em;( ?# }0 @+ m; S
- text-align: center;
# j. Y7 O/ h- d - }
8 |! m5 \& Y" Z/ z/ Z - .dropdown-menu-item:hover {
1 E' C0 P6 X3 a- r4 a7 k - background-color: #eb272d;% d9 s4 \9 K5 i
- }
复制代码 & G: z _! S6 t. `8 I
可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">
( p: J! `$ f0 ]7 h, `! O - <!-- Checkbox toggle -->
% f$ L) Q' u6 Y- K8 m i3 S: _" d9 K - <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">
& \( X. M- r( f0 c - <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>
) q% @3 X: `9 }) B) C, z - <!-- Content to toggle from www.mfbuluo.com-->1 s1 x5 S) R* z# a/ O
- <div role="toggle" class="toggle-content">
; y, G+ P- Y* s* O& E - BA-NA-NA-NA!
. @* {2 e8 W" E) I) [ - </div>* C! u: c i) m @
- </div>
复制代码CSS代码内容如下: - .toggle {" m' k( P* P! z/ y2 v. t9 j
- margin: 0 auto;$ D, b" r$ V# ^$ y& |7 W8 c
- max-width: 400px;
+ z" P) f6 R' X# S+ B - }
0 y9 Z6 ]" L) x# U% d" ^" z. ^ - .toggle-label {! x8 r3 b- [2 Z& P3 J' u) T
- font-size: 16px;. k" v2 K4 ^8 Y3 @5 a' i
- background: #fff; P2 c) Q" m$ N$ D x; n9 C% Q
- padding: 1em;& D# t* T. r. V$ }: [& O% h
- cursor: pointer;
! P# j8 C& S$ d* b+ ^ - display: block;% Y2 _ T4 ]- \+ N' K2 ]
- margin: 0 auto 1em;! Y8 S& h4 d; T* d& ~9 A7 r
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
" q+ b* s) h% y% p - border-radius: 4px;* F% j# X' k/ m
- }
# @9 Y0 G! I$ s9 i0 Q! z* y" {, J2 c - .toggle-label:after {1 R" v- [, t$ d7 C; O) v
- color: #ED3E44;
/ P, @/ q* d, M3 n# ?' H* y - content: "+";4 F! u6 I$ R$ X/ S' v, ?4 d' _
- float: right;
. ^4 a1 k: ]9 M# t+ J! K - font-weight: bold;6 o( d+ c8 h+ c0 w/ @% `# J- b
- }. V `, _0 t l/ ?4 H
- .toggle-content {5 A' q/ q# g! v* z) x! P( U
- color: #B0B3C2;
& [5 R4 l$ E5 ~5 O# j6 N, J3 U - font-family: monospace;
" U& `( R( C z5 L0 Q# p1 L# Y - font-size: 16px;# U- f8 T, m' v$ S( k2 J; D6 n, _
- margin-bottom: 1.5em;7 |" Y% f# F6 z6 H) X
- padding: 1em;, ?' w; o9 o: I$ K: ~
- }
' ^8 o b' a* |$ B7 A) l" k - .toggle-input {
0 r, k, E1 G& @# Q - display: none;2 {& ^: P, v+ ~8 X- D' M; `
- }
# L& D% A# F% ^4 `8 C. C' i - .toggle-input:not(checked) ~ .toggle-content {
+ U. w3 D* e8 H! _ I" N - display: none;* {' @( u- ~& J4 P# o% P: @8 M+ z6 {
- }) @, T% X5 I; R) @
- .toggle-input:checked ~ .toggle-content {
& \8 ?( w6 @" L - display: block;
@ m; s7 k* p, Y3 C* ]6 L/ e* y - }7 ?6 V8 z$ F: P- w/ \$ Z; F, A
- .toggle-input:checked ~ .toggle-label:after {; [% j) N: [$ r: \+ Z
- content: "-";
j9 q T4 K/ B5 N0 ?, G - }
复制代码 9 I0 E" X* J; Y/ k
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5 ]" x. R7 @# Y- T% e. { |