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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" S5 c8 @* {. Y# ~" s3 R
- Label for your tooltip$ { I5 e0 \. [9 y
- </span>
复制代码CSS代码: - .tooltip-toggle {
- [) @: i9 z. w8 o: I' A - cursor: pointer;
4 h/ B: Z; n1 r( H) p/ {* _ - position: relative;# r r) e% Z/ o& D- M1 d
- }5 Q3 ^/ E8 v; @ |# G, h
- .tooltip-toggle svg {
/ m5 H% h0 Q" Q8 X% G - height: 18px;( A; s8 R' h& |0 q
- width: 18px;+ g9 j6 \( A7 U3 m/ d4 Z
- padding-right: 0.5rem;
2 Z) a2 Q3 _$ K& h8 N. d9 V - }
. s2 O( j8 L* ]7 ]9 s& R - .tooltip-toggle::before {: k3 V/ v2 {" ?3 m1 [. K+ X
- position: absolute;6 m+ p* }; N. B1 N5 [; K7 ^
- top: -80px;
+ a7 K" |# q. d - left: -80px;# H$ X; _# ]& m0 k
- background-color: #2B222A;
; `) J0 q' F' i C/ Y; H, J - border-radius: 5px;3 w* v- L( f5 F
- color: #fff;5 s- ] D8 X* F$ Z" h" `& a1 C
- content: attr(data-tooltip);9 |5 n, m) ~* s& z% _
- padding: 1rem;( @' `5 v- T' @1 p9 E* Q4 m4 F
- text-transform: none;
! U5 V# Y+ q) z. d" j8 G$ O+ m - -webkit-transition: all 0.5s ease;
) E6 F" s7 a7 ]* R/ w3 i+ K; |9 T - transition: all 0.5s ease;5 t5 N/ `1 D$ W6 {* ^
- width: 160px;
. a8 S, f6 c! y - }
0 K' J! O) O9 i _2 b( G& J4 k - .tooltip-toggle::after {- q. t0 C5 X7 y4 d. }! t5 F( M
- position: absolute;0 z( \* L0 P+ e! w' \* n1 g2 Y
- top: -12px; W" @6 A" W/ [5 Y$ ^3 H8 P3 j
- left: 9px;) h% r1 @% |- ~5 o: X' S- F
- border-left: 5px solid transparent;
0 M. O; m- A- y. f$ Z - border-right: 5px solid transparent;
& y( s8 B4 s( ? - border-top: 5px solid #2B222A;
1 w( \; Z# P" ?0 | - content: " ";
/ t) N- c" W4 b - font-size: 0;- C( E+ T' y+ U8 F/ b, h- S/ S
- line-height: 0;
5 Z' U! ?8 x5 B' Q2 w$ g - margin-left: -5px;# K3 B Z ]2 t9 P, K! ^
- width: 0;4 _$ p1 T* W% Q6 ?- t- p
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- .tooltip-toggle::before, .tooltip-toggle::after {
7 e+ U) Y6 v3 r! o2 w - color: #efefef;
6 d! s- u9 [1 ^0 H# r# W - font-family: monospace;( m, H; A8 Z. Y3 H& q
- font-size: 16px;
" y3 k* [5 H$ ]! R: Z - opacity: 0;. E+ J# X/ c, M, Y" F
- pointer-events: none;
% X" ~4 ~4 t: n- d; Q) V - text-align: center;2 X% ~* \, y/ B5 n" U
- }
$ g# V5 j% U) v2 N6 p# Q6 A2 r - .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {6 w9 _1 p# x. R: E( ~2 ^) Y
- opacity: 1;
7 c: |+ N6 S, e; l; z& w, ? - -webkit-transition: all 0.75s ease;- v2 U7 i; ~4 c" X+ ?
- transition: all 0.75s ease;$ Z( D& h! x* h2 o( o6 f
- }
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">4 n1 d9 f: o2 R _2 w( G. _
- <ul class="nav-items">+ o: n! F4 [. {9 S. `1 B) K) N( {
- <!-- Navigation -->$ J* x4 H# m, y" ?/ F4 n+ h3 c
- <li class="nav-item"><a href="#">Home</a></li>( V# M w! d; `8 [* B
- <li class="nav-item"><a href="#">About</a></li>; \; o( n4 _6 W8 `
- <li class="nav-item"><a href="#">Contact</a></li>/ E) {% n ~- `: I6 H& k6 R1 a
- <!-- Dropdown menu -->1 [0 w1 Q. w2 N0 l1 l: D+ ~: t
- <li class="nav-item nav-item-dropdown">
! h8 X& `1 C+ |: L% Y; N* @* {, q - <a class="dropdown-trigger" href="#">Settings</a>
; h1 k: ^& n# x( w6 F5 }5 d4 n - <ul class="dropdown-menu">; d$ \2 H2 w; E
- <li class="dropdown-menu-item">
D. e% X3 N9 U' ^1 w: | - <a href="#">Dropdown Item 1</a>
; x% ], z6 l/ @( j4 m4 m4 r - </li>4 l- L* P, p3 C+ f
- <li class="dropdown-menu-item">
W% J, u. U* _% q0 h1 E$ P( [ - <a href="#">Dropdown Item 2</a>
' S$ [* U0 I) m2 d+ C- F - </li>
# o& j. |; R$ Z. M - <li class="dropdown-menu-item">/ A. F) \- C- V' r' S, r
- <a href="#">Dropdown Item 3</a>
: f# `: K- D( }0 x - </li>
. \- T. J2 j! z8 T - </ul>
" Z" C, C! v% _# o) p - </li>
! m+ l, _' L+ h: P8 r - </ul>0 X6 v' d8 S! o
- </div>
复制代码对应的CSS代码如下: - .nav-container {
3 ]0 n+ n4 i$ E& x2 c - background-color: #fff;( I& z* e7 [4 j; l" ?
- border-radius: 4px;
( e$ w; H$ z: z" x. `- b - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
* b3 {; W8 W" I: {( v - padding: 1em;
' d! E3 M! e$ _. x' ?4 ]) Z - border: 1px solid #eee;' \0 y: I" a8 D/ k0 s3 Z+ |6 k; p" \
- display: block;
5 B, u8 T- Y, k9 P# i - max-width: 400px;! r6 j% I. N, v+ i
- margin: 0 auto;
3 {" Z# Y( [, ]1 w6 _! l6 S/ ?/ d }0 b - text-align: center;( P$ f2 D* J2 y* @2 x
- }( F& w) |3 I: u
- ul,
: ?9 a4 F2 i7 J+ |# G k9 N, e - li {
$ ]* ~9 K" Y0 i - list-style: none;" t) m: ^% t6 [; P; o3 E7 A2 S4 E$ F
- -webkit-padding-start: 0;
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- text-decoration: none;
( h7 q+ w5 O- P3 o - color: #ED3E44;7 \* }: I, I# ^5 Y2 s5 L* X4 ^+ G
- }
: S( e8 B8 l- j - .nav-item {
a) P$ m% R' U3 i6 M4 t - padding: 1em;9 D/ O; `- m- J
- display: inline;
/ R4 F6 Z+ u' J) d7 Y - }
3 u' _' M; U9 x% [ - .nav-item-dropdown {1 F8 K0 g# S6 ~1 ?) H
- position: relative;2 i' H/ ^( b: M9 ~; M0 D5 ?4 ?
- }
5 X0 V5 d7 ?& e# I8 b2 g3 F N1 G - .nav-item-dropdown:hover > .dropdown-menu {8 }# z1 E8 E/ \8 q. D
- display: block;
& N8 K; U; @2 b- U' l5 |1 d - opacity: 1;8 |# D" j) m& i8 D
- }: n2 P1 M) l% e
- .dropdown-trigger {# J; w: x. `0 l0 W2 s% E
- position: relative;3 W8 X+ J3 N( N
- }7 z5 S3 w4 h: M' J' D8 c3 b
- .dropdown-trigger:focus + .dropdown-menu {$ v% d; u, ~% i
- display: block;- @: F* Q, Z1 }; k
- opacity: 1;8 o+ Q9 }% `) d: s% G9 o# ]- q
- }5 H% x4 W+ H# `, I* @: m
- .dropdown-trigger::after {, P& D Q; a9 }2 ~+ K2 v2 E+ ^+ I
- content: "›";0 T# a7 N! w' x! L% Z$ q
- position: absolute;
- j! ?* z3 g# z; h q' o1 O1 O0 Z, U3 Y* r - color: #ED3E44;% M' f, J. X/ G0 {
- font-size: 24px;* j- D# F9 e' X' ^
- font-weight: bold;1 c; j1 e/ D' f6 V+ \
- -webkit-transform: rotate(90deg);/ M9 w* ~/ H' Y9 ~- U0 g2 U
- transform: rotate(90deg);6 ?1 B, o: M7 f7 b; u" K) ^
- top: -5px;
% w* P& Z7 z5 J - right: -15px;
$ D4 y% @& u" _: c! s5 \ - }2 o" B) c+ P' u' g0 l0 o/ e6 O* g
- .dropdown-menu {
# |1 g' L* ?1 i( \( f1 W - background-color: #ED3E44; L1 }) h# g2 L% W d, [! } h
- display: inline-block;
; n e& ]$ W7 d0 I - text-align: right;
8 D. M) e( I/ N6 F - position: absolute;4 r4 c- @3 [% P; L2 C% ~. t
- top: 2.5rem;
; z4 A% q" J/ P! @ - right: -10px;
: J) ]$ E* B3 j/ M - display: none;% L- t" @8 w1 y1 H6 a/ p0 [4 y
- opacity: 0;3 }$ X$ F! N; C _# ?
- -webkit-transition: opacity 0.5s ease;1 e( h; p/ a5 c" {3 ]5 t, f% V
- transition: opacity 0.5s ease;' x5 r% A, k9 U( G4 C! V
- width: 160px;
) b/ H" V8 {) A! |' t5 L - }
* b* g8 _* [+ _; F& c - .dropdown-menu a {
# p( y+ j7 z$ a$ g" Z4 | - color: #fff;
; I' c( |2 s6 ^4 _ | - }
/ ?8 P* g# E! E, d0 s( ? - .dropdown-menu-item {
) B4 T/ D3 g3 F# Q. _8 z8 ], _ - cursor: pointer;1 c% v2 b3 S6 I# k$ O. b. Z
- padding: 1em;5 [. P/ Q. }$ c+ ?, J) G; Q* |/ T2 W& a! s
- text-align: center;
- n% j8 W- }$ A: @1 \$ v - }$ _+ _) M- Y+ z6 x- _) B
- .dropdown-menu-item:hover {5 R8 x2 S+ s- v, k$ G4 _7 ^1 [. {
- background-color: #eb272d;% ^9 w/ T D$ I! n {
- }
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/ P7 f6 |$ @4 O, v* \* u4 s可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">
$ j! H$ P: k1 C3 W! U) i - <!-- Checkbox toggle -->
8 H$ L% Y$ o3 e - <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">" j# l1 \9 s9 ~1 v& T" B0 n
- <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>
h5 L8 Z4 v% A" ^" K( ] - <!-- Content to toggle from www.mfbuluo.com-->
- l. s% n, z# z, f K* _4 I - <div role="toggle" class="toggle-content">4 |8 `$ Z8 E4 Y% _ @" q. ?; w
- BA-NA-NA-NA!; P6 |/ R6 s1 f% D
- </div>
4 `: w1 c/ G m. Y. z5 C; V - </div>
复制代码CSS代码内容如下: - .toggle {3 h4 q1 d- w7 U+ C+ {+ M0 P
- margin: 0 auto;3 q% P6 }1 I1 \" g ^: C
- max-width: 400px;/ x+ I5 g6 q$ u& C7 M8 C; l; R. x
- }7 y) A+ f, O* c8 A
- .toggle-label {
! w4 M7 U; ^& V' l - font-size: 16px;
0 C( z/ {: M$ j - background: #fff;
. _, U! r5 v/ N" n' ]% U/ f4 G, R - padding: 1em;
' V: U0 J+ `' m3 a$ ^6 B7 { - cursor: pointer;# Z" y: ` N& k: K* p; x' i- z
- display: block; I1 `4 V1 C" P6 { B
- margin: 0 auto 1em;
1 Z8 u/ Z3 y5 \. j# C - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);. O. ?: T$ d- b
- border-radius: 4px;
5 S. y& L( }: j* u2 z% C' s1 |% { - }
" O: C) Y* X# U$ o0 h, { - .toggle-label:after {
' c+ K; m7 i2 G9 y0 `7 K# A - color: #ED3E44; E! u; Q8 w8 c) p
- content: "+"; I# O' X" k) \% _# \
- float: right;" T5 a% M* f( ]$ p$ ^9 J
- font-weight: bold;
- F' @$ ]- _) @' P2 ?: l( S5 e9 N - }: @0 r* H: V1 n) E' q4 ]# J0 w
- .toggle-content {' c" p8 \# E' ? m- _. s0 x
- color: #B0B3C2;
" I ~$ p, j1 J6 S- } [ - font-family: monospace;
! m* e0 A+ _* D [$ m3 k - font-size: 16px;
( K2 B; b0 K% k: V8 ? - margin-bottom: 1.5em;3 t+ X1 o# g/ U4 U/ ?
- padding: 1em;
, H" S6 N4 d6 x - }
1 d. D" z' j1 ? - .toggle-input {7 r7 S1 r6 g C. E3 n8 [
- display: none;
+ T) }9 Y6 K' m& k - }; U0 g) ]' u- R {- A
- .toggle-input:not(checked) ~ .toggle-content {8 z* e( S1 z& I1 c
- display: none;
9 j0 h3 |. d$ ~$ ]3 ~2 r - }
% M9 M; F% o4 y4 y; ?4 l6 t+ J - .toggle-input:checked ~ .toggle-content {4 t2 N5 k) P( w: l
- display: block;3 m( E# X5 W4 a" H/ X C
- }
; u/ r& h2 Y& i, ?+ i - .toggle-input:checked ~ .toggle-label:after {! Y2 s6 C3 ^1 L" z: C c
- content: "-";
5 t# @! |' Y4 P5 x4 ~$ M7 l" Y6 ` - }
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