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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!">7 a( `$ w$ G- B; C* J A/ L1 R+ Y: ?
- Label for your tooltip" o5 Q& {5 D) H
- </span>
复制代码CSS代码: - .tooltip-toggle {
6 \0 t2 C }+ i$ Y1 o- \8 d - cursor: pointer;( R# N2 g2 g6 ?7 v+ ^+ B3 J7 ~/ W
- position: relative;4 X/ B4 i O0 f5 S* X9 i+ q
- }
# Z2 L- p" M7 e! T' `- j% ] - .tooltip-toggle svg { ^, _% W& N W z9 ]8 X
- height: 18px;
; q4 p6 B0 a. G/ l& W - width: 18px;
4 g$ D8 Z1 y+ ^ - padding-right: 0.5rem;. }) z5 _" S4 c
- }. T. ]9 t8 y/ V/ e( Y+ H4 P+ i
- .tooltip-toggle::before {% Y7 t8 S' V) j% g7 q2 J
- position: absolute;
7 Z& I9 r4 N7 d J - top: -80px;- Q/ a! W+ V. i# Z( `& p Q
- left: -80px;
0 e1 R1 @6 B& v1 L; x- k% e4 [- ~ - background-color: #2B222A;
1 m3 ~* S9 ], L/ I' Z - border-radius: 5px;; B; o$ n6 ]( K" O# r; W9 q! d
- color: #fff;
9 B* V4 s" ^+ B" G5 A& P' B8 w - content: attr(data-tooltip);$ ?2 M/ N, B5 P o5 y
- padding: 1rem;' F7 B' \5 V6 t' J- I4 i
- text-transform: none;1 f: |. U; m4 a; o0 d
- -webkit-transition: all 0.5s ease;2 P+ u: ~8 Y& o- G! e* \# t- I
- transition: all 0.5s ease;3 u8 x% E- o# ?2 P/ v9 z3 [. I
- width: 160px;
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- .tooltip-toggle::after {
/ [1 B; J7 l% j0 @. I1 d! t - position: absolute;! A& K/ ?1 L5 L0 c; e8 \: c
- top: -12px;3 y' l$ r% S0 n# b1 ?
- left: 9px;# f+ x1 {0 R# \) ^ X
- border-left: 5px solid transparent;
, S8 O9 H' @ Y" Z6 N' J3 n) k/ s - border-right: 5px solid transparent;" h3 Y, Q/ E4 p; ]; R! l
- border-top: 5px solid #2B222A;
* a6 ~# b8 z5 K( D8 r# W& }; W; K5 j - content: " ";5 n1 V8 X: R% L
- font-size: 0;
' r. B) |& U6 f - line-height: 0;1 z* C( v. h5 g4 ]3 @4 C9 T& o
- margin-left: -5px;
. R' m, ?- Z! q - width: 0;
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- .tooltip-toggle::before, .tooltip-toggle::after {
8 z5 e/ w! J9 M) a5 {8 v/ Q - color: #efefef;9 W5 t- J/ Q% V: n, Z& j
- font-family: monospace;( x8 F) |, U; `" \( n3 e2 B! H
- font-size: 16px;
3 b' Y- V. ^: N4 F1 u7 B - opacity: 0;: {+ D2 |6 @' R7 C8 d- c, \# ~
- pointer-events: none;+ s, w0 B! P K; v( v% \8 _
- text-align: center;
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- .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {
6 S# O( u5 m. x$ d# J5 ]# w, q - opacity: 1;
0 Z: n$ l( o' `6 Z# O - -webkit-transition: all 0.75s ease;
+ B" Z$ y3 ?" s - transition: all 0.75s ease;
. H0 w j" G/ z* X! ]. 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">! t( k& W9 e1 J
- <ul class="nav-items">9 N, S R; A5 M4 I$ t1 z
- <!-- Navigation -->
2 h, J U$ r( B7 L) \" B9 j - <li class="nav-item"><a href="#">Home</a></li>/ P( @; G1 @; y
- <li class="nav-item"><a href="#">About</a></li>
6 x* b$ X7 F5 j7 ^; b- w4 r - <li class="nav-item"><a href="#">Contact</a></li>
# p' I; c5 E3 J; M- ]2 R* J - <!-- Dropdown menu -->
% L+ s# Y& M0 o3 c4 { - <li class="nav-item nav-item-dropdown">1 y, c7 E% i7 D" g* }' ^
- <a class="dropdown-trigger" href="#">Settings</a>
1 i Y8 L1 G& Y - <ul class="dropdown-menu">8 a+ \& h# u) |/ y
- <li class="dropdown-menu-item">
+ a+ u6 a w4 x) N k2 R# e - <a href="#">Dropdown Item 1</a>: X9 V/ w6 X. I+ _$ @$ m1 @
- </li>1 @" d0 j [; a# q
- <li class="dropdown-menu-item">
9 y8 t* f; e; K1 w8 r - <a href="#">Dropdown Item 2</a>
4 `( \* q+ y. m' s3 b! z - </li>
# C o* Z% e& t - <li class="dropdown-menu-item">
, d( E- u( d- H, b - <a href="#">Dropdown Item 3</a>. T) j9 {3 z, V% e
- </li>- s. l( E7 [ l. ]8 q
- </ul>
+ ~% w$ h& n# @' R; V$ w5 C Q - </li>
( i0 h, \$ `- y - </ul>9 V* L3 l& O8 M; f# `
- </div>
复制代码对应的CSS代码如下: - .nav-container {
4 }2 R: o6 y" d: { - background-color: #fff;2 U4 v( k0 H* C( o1 k- h' E% [* J: p
- border-radius: 4px;+ I p5 v: D' V& D6 J' Y! O) N7 {7 p
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);1 H% f* v' v! g k0 f4 g3 Y9 c) R
- padding: 1em;; g: A, S: j4 `6 E) s0 i
- border: 1px solid #eee;. A2 d/ F& [" \9 F; |6 N; f# F
- display: block;6 N3 V9 Z& ?, Z
- max-width: 400px;3 k4 u+ \, s! d3 j
- margin: 0 auto;
6 N* C r' Q3 E2 g: z - text-align: center;
- y) s' D" c" D- O - }
) _, r/ E2 z( |( R* G1 k - ul,
e$ Q; C6 _3 Y - li {7 D$ l3 w: G4 Y/ F4 U+ f
- list-style: none;8 v% }. Z k d) o3 [3 W2 D
- -webkit-padding-start: 0;
; m; v. b# E. ^8 d - }
4 z; q% K- b- x - a {
+ R0 ^1 Y& y3 z4 U- c4 Y( G - text-decoration: none;
3 \! `6 K4 H8 [- M - color: #ED3E44;
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- .nav-item {
) i2 Z# Y7 G- t. |; Z2 G. D5 {' \ - padding: 1em;
- r1 T' L _; r: n - display: inline;
" _, g* T4 k/ L5 h - }
4 g8 f; ?( Y* R9 ]% m# c6 @" ?: | - .nav-item-dropdown {
5 @5 C- R F1 ?5 M, l - position: relative;, e, g7 m" {: ~+ `4 v2 j
- }# b- i( L# K+ V+ h
- .nav-item-dropdown:hover > .dropdown-menu {
3 x, } D7 E8 K8 R$ u - display: block;' Z0 W, A" ]3 x1 q" S9 ~! J
- opacity: 1;6 w7 E7 Z; h0 o: z. [' Q% s4 G
- }% a# `! ?# Q( G) y4 l) N
- .dropdown-trigger {
, d9 u; M! ^! z, o n- E. k+ i - position: relative;
* I/ W4 R& N/ e! t7 p6 H - }
( L, _2 V- q9 ~% N1 l# A - .dropdown-trigger:focus + .dropdown-menu {! U, g# o' z/ ?# A& R: e3 u
- display: block;# J: ?* y% S/ E5 E2 f
- opacity: 1;
" F1 ?: l( m; C6 l - }6 P; k+ a$ y" T7 x& o% J
- .dropdown-trigger::after {2 B! d7 a# o# m" r% `
- content: "›";
7 f- v2 A/ {7 r1 T- ?! J, q9 d C - position: absolute;5 |5 y3 |( v: B0 d: M+ W% _8 U
- color: #ED3E44;( \" |% n3 F& I% v
- font-size: 24px;$ {0 B3 _+ N4 R
- font-weight: bold; S; Q% C/ c7 Y, T# w
- -webkit-transform: rotate(90deg);
7 U6 a7 l7 q+ {% D5 @$ \6 p - transform: rotate(90deg);
8 y3 e: I8 J* D; t+ B - top: -5px;1 r9 @+ B3 n; o
- right: -15px;
6 X. H3 l4 N7 g% Q5 a0 L - }! L0 d' b6 e' z* A; H. f% a* p7 E
- .dropdown-menu {
4 a* |7 }2 e) @7 n0 g - background-color: #ED3E44;/ T8 u* _/ r$ F* n
- display: inline-block;5 C+ F( r. s; C2 _
- text-align: right;( ~7 v! }: w3 N @& a* ^( l2 r
- position: absolute;6 x' v0 W- s( G( p' B
- top: 2.5rem;
7 m" b0 Q" ?6 C! h: R - right: -10px;: |% m6 R* P) L# B9 C
- display: none;; q; W8 \3 ^6 A& Y9 X y
- opacity: 0;
+ P* Y$ g- Z: [/ H! O - -webkit-transition: opacity 0.5s ease;
5 M% i* f3 ]2 K - transition: opacity 0.5s ease;4 {& j- y3 r+ S$ ^( O
- width: 160px;. H0 }+ E! |2 A3 a5 B& N4 g' a
- }
; x9 C+ t5 \) t - .dropdown-menu a {
. a$ m S$ w. P: \! a5 e1 x - color: #fff;) ?7 @( }0 d9 i3 i+ O l
- }
: ?& G/ z- M! L. d' W7 c$ q0 r! ` - .dropdown-menu-item {
: ~; H7 p% G. u2 s' R; G1 h( L8 ? - cursor: pointer;9 r! f/ m( Z* c- v! V |
- padding: 1em;
% A' l4 s2 c! J( e - text-align: center;
6 j6 S5 Q D$ c1 `2 x+ s( J - }" t B! a: @/ ~+ v5 R# k
- .dropdown-menu-item:hover {/ y& I( i7 |. Z. j5 d5 }0 c& L
- background-color: #eb272d;, [' ~% g0 I& V9 v+ `
- }
复制代码 # ]8 C3 C& r/ ~2 Q' C! p1 i
可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">! O& H# F% u s3 {5 z. g
- <!-- Checkbox toggle -->
. ?9 j1 k/ y# G! M2 B. P j - <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">
2 U# m* Z) {2 {( j - <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>2 D9 w! @& t0 _, n1 Y/ F- J2 V
- <!-- Content to toggle from www.mfbuluo.com-->
2 s- |- a9 [% z" C, W P - <div role="toggle" class="toggle-content">- h0 v5 ^7 i4 Z6 W( A
- BA-NA-NA-NA!
. E. |5 \: n6 { z' \5 g: M, q - </div>
( W! u% B. G2 _3 I; c. G - </div>
复制代码CSS代码内容如下: - .toggle {( f4 W9 r! M( N7 y
- margin: 0 auto;! ^) [, F8 T F) i. U( q, d: ]
- max-width: 400px;7 j0 H$ d) L6 @8 \8 y1 n
- }
- L; b8 H" _- t- G+ u4 y5 K - .toggle-label {
! e8 C: Y! S1 U- y* f2 i4 k! @ - font-size: 16px;
% s1 p. G0 P6 w# z - background: #fff;4 ?; x4 E# p$ Y, t% f% e* d+ G
- padding: 1em;
$ I2 Q. i0 x4 k/ e8 c7 Z - cursor: pointer;
! o' Y% S" A$ z! Q6 w - display: block;
( n* N8 q7 L. p- { - margin: 0 auto 1em;
M6 y- O/ l ?) L - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);! D! C. C/ h U B3 \
- border-radius: 4px;8 f2 Q* K/ f- b* o2 O* h1 M4 W6 I
- }
$ Z% {- Y6 q3 Q - .toggle-label:after {* M* W- `# F( o
- color: #ED3E44;4 X: V2 ], H S! P' V1 Q" Z
- content: "+";
& z) v9 h( q/ J, ]) ^ - float: right;8 W6 w6 f8 I t; S" L
- font-weight: bold;+ Y# K2 s& f/ S+ k& Z
- }
) }$ Z. g; F( z4 q - .toggle-content {
% ~! L/ N# s5 A( u0 ~# a - color: #B0B3C2;
6 ?$ K* Q: @8 ^. Y8 m$ ? - font-family: monospace;1 W2 J5 ^6 R0 f: ^5 h' S
- font-size: 16px;
( R6 h7 ]& J Y$ A- Y" W - margin-bottom: 1.5em; Y( n2 T) D* A' q+ A1 _
- padding: 1em;, N+ A8 E; L/ @) U
- }: a; D. ~: A' H5 x! d8 e: V' o( |- j
- .toggle-input {
- b' c9 o5 {2 F' H - display: none;
" J7 \' B0 l L, n$ ^9 n' W - }
1 y+ e; Z: P( Y# C! A# g/ ] - .toggle-input:not(checked) ~ .toggle-content {
0 w: D' | M7 X: R( j3 r# ~) r* g - display: none;
& c' K9 K, S. ^0 u - }
& _0 m9 i* p' X1 K - .toggle-input:checked ~ .toggle-content {2 x! a6 z; O4 c
- display: block;8 B- ^# n5 A4 [( `8 M
- }4 M( B+ H6 N: m4 j- X9 e
- .toggle-input:checked ~ .toggle-label:after {
' y7 g0 D9 o* r6 ^ - content: "-";3 j7 V+ d g5 B/ ]+ C
- }
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