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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 O1 |* y) U0 r: k1 R' S! F& x8 m - Label for your tooltip
0 c# r' b% D; l4 m# L Q5 S - </span>
复制代码CSS代码: - .tooltip-toggle {5 d, @4 o5 u& t6 N! E' I0 o
- cursor: pointer;
* h- E" c6 q0 O9 @! K3 c - position: relative;* g4 i- B1 \- Z" V
- }
- Z/ J" Q1 `9 @; Q9 c - .tooltip-toggle svg {1 X' x; G( n! N) u/ N
- height: 18px;
! a( A. E u0 m! h6 p1 m) B - width: 18px;
: ~4 N' t$ O$ }6 \! E8 _- P0 F - padding-right: 0.5rem;
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- .tooltip-toggle::before {2 ?- o; j3 K9 q4 v8 x- R- b
- position: absolute;
" c b, f) O; ~; g - top: -80px;& ~* R' F8 B Q+ K) q2 Z
- left: -80px;4 v. Y7 E& t- m; v
- background-color: #2B222A;9 g2 x2 T' X1 |, t$ Y
- border-radius: 5px;
9 k% z \, h. Y0 { - color: #fff;
( c! ]; }" O' k2 ~! B6 l - content: attr(data-tooltip);/ @, m1 g+ q4 d% g. N
- padding: 1rem; N: E; a& e* Z6 o
- text-transform: none;, h6 r# b% m3 s. Q# [9 E/ y
- -webkit-transition: all 0.5s ease;
$ w3 s4 o7 T: J f( m - transition: all 0.5s ease;: e& U/ u' M) e" w& ]. O
- width: 160px;" r. m$ N* A3 f! k, Z9 }
- }
0 h+ W U- P, w3 ?) x - .tooltip-toggle::after {
6 \# n# n1 o- r; \( O0 i( g - position: absolute;
! c( H+ k: s- L4 \: d - top: -12px;' Y5 K; t. g/ \! N
- left: 9px;; b3 c$ r0 f b$ _ h5 d, Z
- border-left: 5px solid transparent;1 i6 A5 K( x" M2 y5 C+ b
- border-right: 5px solid transparent;
- n* \8 r4 h Z- T6 J# l0 T - border-top: 5px solid #2B222A;: K: g/ M! B e6 {, }: [( P0 j# J
- content: " ";4 B0 D- B2 E c! W7 }5 @% C
- font-size: 0;- t4 Q/ @8 X) B
- line-height: 0;
- p# C1 r- {% W/ r f, { - margin-left: -5px;, Z% |' R: ?( U6 R% o' X$ J
- width: 0;
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- .tooltip-toggle::before, .tooltip-toggle::after {
' x3 O6 @$ g# `& h/ d/ D7 l4 p- E; ? - color: #efefef;
1 h p2 Q+ {3 y8 r& N" X - font-family: monospace;
' s8 n; k" W* [9 {( }* q - font-size: 16px;
( o/ M \$ f \1 X5 a - opacity: 0;
+ E" I9 k6 ~' g% {# ~1 C. x6 P7 [ - pointer-events: none;
% `7 n/ p1 e* i* v- [ - text-align: center;
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- .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {
- o9 b: C8 |- J/ U/ P" o( ^) E - opacity: 1;
# F: J: ^: v2 a - -webkit-transition: all 0.75s ease;- [4 ^1 R- x: p7 Q) V
- transition: all 0.75s ease;0 \9 e1 s/ ]5 z- N/ i. 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">2 j* h* B0 k y+ f
- <ul class="nav-items">+ o. ~$ t2 x/ B
- <!-- Navigation -->
" k1 e$ I( R0 \" |* l8 K4 i - <li class="nav-item"><a href="#">Home</a></li>
7 C( x% _6 K( c4 L d6 W - <li class="nav-item"><a href="#">About</a></li>
4 @' m" b, [2 s$ w; E: t1 F - <li class="nav-item"><a href="#">Contact</a></li>
+ _) B- t, N7 I4 [. ~ - <!-- Dropdown menu -->
( L# f; w8 {& x5 c0 D, Y - <li class="nav-item nav-item-dropdown">: ?6 c. t+ c# ]$ M3 v
- <a class="dropdown-trigger" href="#">Settings</a>
1 @5 ?) ~& F" I8 b( z - <ul class="dropdown-menu">- ~# I: G' n# n6 @# N/ \' B! ?
- <li class="dropdown-menu-item">
6 E& r" T: L9 [5 @8 v - <a href="#">Dropdown Item 1</a>* C" D. ~4 x0 {4 C$ r$ U9 `' R
- </li>9 m. j- u' n# Y1 ]' }: d4 x5 p7 ^5 ^: @
- <li class="dropdown-menu-item">
# ^6 n5 f3 S0 d3 g2 U - <a href="#">Dropdown Item 2</a> W9 o1 c- d; Z1 f4 F
- </li>
# W7 P! f8 Y. b y% r - <li class="dropdown-menu-item">
9 z, b/ k2 C/ ~3 r2 f2 ]* F - <a href="#">Dropdown Item 3</a>9 b0 `! e2 S) b! b1 g6 |1 W0 b
- </li>
% A3 }! i- \& X5 q6 n+ C - </ul>4 N' h" r$ M y6 S8 Z8 Z, o
- </li>6 F. @8 ^. q- f! A9 ?* }/ l
- </ul>
5 f [4 F; J- {# o - </div>
复制代码对应的CSS代码如下: - .nav-container {& H& E; U: x) F9 d
- background-color: #fff;
1 t7 v2 d- t# U5 [* c - border-radius: 4px;
$ r0 M1 H7 R6 p - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);1 y m/ {. U; G/ V* }
- padding: 1em;
2 m. Y# G- S2 C% U) h - border: 1px solid #eee;0 R$ q1 ^+ A$ j. C- U1 _! m
- display: block;0 B- ?( m, G9 d/ h: U- g
- max-width: 400px;- c5 J& R; }- [8 j2 J0 Y
- margin: 0 auto;/ O) \2 w1 d0 F* h5 ^
- text-align: center;
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0 Y5 d4 h4 |: W: V/ w$ w8 u& Y - ul,
- B0 Y I# j% Q8 i - li {4 d4 p3 M: T! I8 N) g- A' I
- list-style: none;5 p7 l6 S6 H3 S3 i% `3 s
- -webkit-padding-start: 0;
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- text-decoration: none;
: s2 a0 `: R& `; G/ M - color: #ED3E44;
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7 U% `5 W! A; ]) |! }" J - .nav-item {2 Z* O# H; w% ~0 Y
- padding: 1em;
! W5 D `0 |- ~8 R6 v! |8 V$ |4 ~ - display: inline;8 w, R H5 t$ a
- }
/ ~% z3 k% e' s9 _7 X3 R - .nav-item-dropdown {9 K0 |8 D; a0 I1 H4 N7 ?4 V- {' p
- position: relative;' Q! x+ x$ i+ Q% }" L
- }
7 B" I4 X+ d7 d1 o! o - .nav-item-dropdown:hover > .dropdown-menu {
5 p) k0 B% E2 a9 Z - display: block;
1 C8 q7 t( X8 k! \4 Q! x& ~ - opacity: 1;+ b4 F; D7 n0 a$ w+ c0 E6 b
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- .dropdown-trigger {
. r& L0 Z* H1 N/ {& \6 w/ G5 [ - position: relative;
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% @, z3 L2 p i7 `7 O - .dropdown-trigger:focus + .dropdown-menu {+ x; ~; Z- @( Y! t
- display: block;2 t. x8 ?6 s% V7 R8 r4 n( C! T5 D
- opacity: 1;
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e* ~* F* M6 S6 k - .dropdown-trigger::after {6 r5 d4 v5 T2 m" Y- m, s
- content: "›";! a* N; G. r; T( l: t( G
- position: absolute;
$ E, S) G9 J, W9 ^ - color: #ED3E44;/ v/ y* B. f7 |6 P
- font-size: 24px;
. z6 {; E$ O. B9 R: x @ - font-weight: bold;
# p- F, s8 G# [" B6 J: f' t- o - -webkit-transform: rotate(90deg);9 L* l7 A i2 V/ b5 w4 Q$ {# V6 }0 N
- transform: rotate(90deg);
4 r4 N3 D, b6 F( w - top: -5px;
' `# W/ q& Y h - right: -15px;0 s: n# n) R J
- }" {4 V8 Z# \3 n0 A
- .dropdown-menu {. [# V2 E! T% f5 ]8 U
- background-color: #ED3E44;4 j% {4 p( _( R8 Y; H' D& H4 {5 E; l, P
- display: inline-block;# }# U) Z t3 v) _/ F1 V T0 B
- text-align: right;; o" @: {* ? Q' M
- position: absolute;* J* O5 _: K- C% T: H
- top: 2.5rem;! K c- O6 ]) x, O& J% z9 z: P! ?
- right: -10px;) t% [$ O! G. |8 s) s+ i" O2 g
- display: none;
% L& \4 y1 E! G9 f( _& ~' k - opacity: 0;
N2 N2 e/ Z( X/ ]* U/ @ - -webkit-transition: opacity 0.5s ease;
' H- |3 v+ N: [ - transition: opacity 0.5s ease;
2 p$ _5 e: ^: g0 \* s! N# U - width: 160px;
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- .dropdown-menu a {! d& K1 C- @8 _4 k& T5 P# @. [+ W+ R
- color: #fff;% | V) q5 ~8 B9 K
- }
: X0 w7 |4 c! y3 K, E) I# r$ h - .dropdown-menu-item {5 ^( v: E* N7 u/ ~. N/ S0 k: i
- cursor: pointer;
! d% `$ b: K$ r: `7 E, [# [ - padding: 1em;2 K+ b) i" ^1 H& z+ k- V! P8 |
- text-align: center;1 S9 ^. H6 z. y, o% R
- }
0 M1 d) o: `6 O# g/ l, P - .dropdown-menu-item:hover {
) R' l$ X1 ~+ p: o - background-color: #eb272d;% n8 s7 Y# b3 r( i
- }
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$ B* N# ?, a I H; P- N* t可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">
% q; W3 W2 D+ T5 {/ z& Z; L - <!-- Checkbox toggle -->
: |/ S# Y6 \: k3 S; { - <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">, \9 `3 O4 }6 S* N% X2 V
- <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label># t* [0 v- W7 }1 x. e# s
- <!-- Content to toggle from www.mfbuluo.com-->
( F$ X9 k; F# D* D3 [ - <div role="toggle" class="toggle-content">
1 ^/ j& y) h' q0 k/ m+ d7 K0 @ - BA-NA-NA-NA!) x' \& h& J1 C8 d: J
- </div>
* L& Q& g, q" x9 F1 ^7 ]% Z - </div>
复制代码CSS代码内容如下: - .toggle {
2 ~6 B; G# E/ h: \0 r - margin: 0 auto;$ P, e h2 D) f( }! [; r
- max-width: 400px;. ^; L3 v: G2 M* E
- }! k! v, A- N9 P+ C. F
- .toggle-label {/ _. y6 g& W2 ?3 S9 s% b
- font-size: 16px;
$ T; D j: b0 n7 J3 G9 G, i3 c - background: #fff;
# b( z, E- e( | - padding: 1em;" b, D' k0 v/ B( A9 _
- cursor: pointer;( ~7 q0 x4 m* R% P" \# B+ ^
- display: block;
9 z8 C& A) [+ t/ A* A, X - margin: 0 auto 1em;
- J9 T( T7 F5 F, x: H$ s - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);! {# ]. s/ f& P) ?/ h
- border-radius: 4px;
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- .toggle-label:after {6 z$ L! }* r- `! q2 Y
- color: #ED3E44;3 Q* P8 T* E" E
- content: "+";- a& A4 w6 T7 `2 O) A
- float: right;
0 X$ R8 x" z; b! ?& G! b" e: j/ ] - font-weight: bold;
6 z0 o# r: b6 @9 k - }
6 d0 q& X0 \+ I& X% k+ ~5 x - .toggle-content {& n/ c0 w6 g9 t3 `, {8 e( f
- color: #B0B3C2;
7 O& L3 \/ q4 V; h. z# h - font-family: monospace;
% p, \0 C: E/ M5 l2 u2 n7 b - font-size: 16px;
3 @( e% L" Y6 \ - margin-bottom: 1.5em;
; x, H B5 |0 s6 U* k - padding: 1em;, O8 f |/ B. Q: p# ^
- }
& Y# z! N( m* ]0 N4 u - .toggle-input {
5 |) }, y3 P; g. s' @8 }, p - display: none;! p3 R. w0 J6 A
- }8 f( K; g9 @ q1 C
- .toggle-input:not(checked) ~ .toggle-content {" I3 u, P/ i8 I
- display: none;
& o) _6 W9 `; b0 K" k) r - }
# G& H5 Y4 |' \, d - .toggle-input:checked ~ .toggle-content {/ ~' d! Q* m$ j; E0 D9 e* c( S
- display: block;3 ^7 c5 U7 s z- c
- }
n0 }$ u0 f/ B1 O3 |0 f5 Q - .toggle-input:checked ~ .toggle-label:after {
) P" _' ^4 e+ ~* v. v. D& ^. h - content: "-";
6 P: B! A6 h! w" k _3 N, C - }
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