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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!">
i% ?4 m9 M3 J- C' q, p2 J - Label for your tooltip5 }9 _& i' W2 q8 _
- </span>
复制代码CSS代码: - .tooltip-toggle {% u. H' g( G' w' ^
- cursor: pointer;) m7 t L+ `/ f4 m
- position: relative;
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- .tooltip-toggle svg {# g) q7 x: t( E3 N& \3 H
- height: 18px;
+ H" |* [4 ^0 v/ Y+ X/ F/ y - width: 18px;0 \# r' y# z, Q0 Q
- padding-right: 0.5rem;
2 g; E6 x) `. X# q m - }
- K) ~) V) q0 u$ Z% q - .tooltip-toggle::before {
* h6 Z3 y5 i3 |9 X$ {- _0 q - position: absolute;# u- F; x2 j% T/ y) f
- top: -80px;
" h, G; m& S) e% O# h - left: -80px;
9 ~2 s. S9 { B* k( Z - background-color: #2B222A;# D& c8 e+ C8 Y/ B8 B6 y! `0 m
- border-radius: 5px;
4 _8 ^7 q0 ^) P - color: #fff;/ }* V3 z/ E- P/ R
- content: attr(data-tooltip); N% P$ `7 {! u
- padding: 1rem;6 O7 A P, X h* |
- text-transform: none;4 B, i. e c, {$ ?) B, `
- -webkit-transition: all 0.5s ease;
' K* o# m! X p& k - transition: all 0.5s ease;
- z' A6 Z3 {& w% v - width: 160px;
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' H( Y) l0 l U& M - .tooltip-toggle::after {9 j' {* e+ X0 G9 j' k9 u7 Z
- position: absolute;
5 J1 Y# K2 \4 \ - top: -12px;
: P* H1 F4 A$ r - left: 9px;/ [. l" ], V. T! D- s
- border-left: 5px solid transparent;" `% X5 ?- e+ O( C1 x
- border-right: 5px solid transparent;) `, b% h) _8 a# O4 }6 z! ~
- border-top: 5px solid #2B222A;
; e; i2 s# o1 I) S3 a6 } - content: " ";1 \$ k+ @+ i" T8 u7 z9 l
- font-size: 0;
7 ^, c% }2 U, |* r) K# ?% b- P2 a/ e - line-height: 0;8 D1 h9 i" _9 Z @* j+ i6 i
- margin-left: -5px; n0 L" ]) W/ }. `/ p& b# D
- width: 0;
- f9 s- {: H6 M/ B5 V3 Q - }
; d) d2 a8 _- ^4 P - .tooltip-toggle::before, .tooltip-toggle::after {
+ F8 {0 E7 B7 | - color: #efefef;9 _7 Y u+ t& q5 f2 f4 a7 ^, A* P
- font-family: monospace;4 |: D' G4 _1 r) m( d6 Z0 i
- font-size: 16px;
" k" ^" h, l0 v! W) ~ - opacity: 0;
% `! o3 u2 d; g9 q - pointer-events: none;1 F: f O6 {" _. f! U
- text-align: center;
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- .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {
) g0 ?! L3 ]' k! g6 _, n6 e - opacity: 1;
9 h) g9 H% c* F# O; I - -webkit-transition: all 0.75s ease;# Y! \, V3 g9 }( `
- transition: all 0.75s ease;2 J% J: p j+ l7 L$ T+ r) q, o% k
- }
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">
" w8 {2 i$ R( S8 Q - <ul class="nav-items">
2 D G. ]' y2 w - <!-- Navigation -->
}+ S. `: Q, b9 j+ H7 l$ M - <li class="nav-item"><a href="#">Home</a></li>( D9 o0 q8 D# h6 K8 X' M
- <li class="nav-item"><a href="#">About</a></li>% ?+ N: c+ `; E/ o) {* ?2 {* r
- <li class="nav-item"><a href="#">Contact</a></li>
) S( ~* \0 ? s% w6 s2 Q, ^; b6 |; q - <!-- Dropdown menu -->
. E6 S6 O5 N0 O& j - <li class="nav-item nav-item-dropdown">
1 e8 C* h8 f: P- ^1 D& B3 @ - <a class="dropdown-trigger" href="#">Settings</a>/ p1 o2 l: j# v9 @. O) n' f6 C. E
- <ul class="dropdown-menu">
/ N% Y1 }1 |( w. e0 u' K \ - <li class="dropdown-menu-item">) B- y) Q4 j% [! k' q# v0 V: U, Y9 S9 [
- <a href="#">Dropdown Item 1</a>0 W& W- k- B2 C& T ]
- </li> e, N9 @8 {& g6 e3 a# U* A
- <li class="dropdown-menu-item">
5 Q, g$ A: G& x. h2 ^- G - <a href="#">Dropdown Item 2</a>
2 H/ @2 [; E) ~$ d' a% ? - </li>4 N0 ]1 \7 ?7 g; X: \: _: k
- <li class="dropdown-menu-item">
0 m% W) T0 f3 A9 D7 X' e - <a href="#">Dropdown Item 3</a>
; a6 ?3 o& W' z( h# A+ {9 f - </li>! I: B+ a8 o; B! C* [/ ^6 e4 K' \
- </ul>4 @4 S& A# H$ [' X( H
- </li>. y$ l/ w% F1 j7 Z @' H' t- b* J
- </ul>9 r% j" Y! H V% C8 W6 E) _
- </div>
复制代码对应的CSS代码如下: - .nav-container {
3 I+ U3 m" P: y+ @. u1 V& Z* p# S - background-color: #fff;
6 x4 P0 N5 e; ]* E7 @% N- D - border-radius: 4px;
$ X' r7 ], v; \! G( @8 A; A - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);( ~' H& m- k1 A4 X( z4 _5 ^
- padding: 1em;
8 o4 z1 a/ k0 ~! j - border: 1px solid #eee;. A! [! j. N/ O* {& F2 g8 q8 v; b' Q
- display: block;; W2 i, }& e* y, a5 e! z) H
- max-width: 400px;
; I6 t3 ]: t( F+ n - margin: 0 auto;
% S) T7 }1 G x# W; X - text-align: center;2 d; A2 f" q3 O8 K
- }
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- li {9 |+ K+ t, O/ g
- list-style: none;
0 X! y/ I F; N - -webkit-padding-start: 0;
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- a {
1 R- ]7 c% B+ H7 Y6 r- k/ }5 {9 K - text-decoration: none;2 M7 k% E9 d' v) M+ J
- color: #ED3E44;
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) @) g2 K6 R( b- W0 q2 x0 p- m - .nav-item {
/ ?$ c7 z! V' Y6 k1 D. k: i' I - padding: 1em;
2 X/ L" L, {1 G1 M$ m: q. {/ n8 p+ s- C( X - display: inline;. c; |* i3 v3 s% {. N u
- }
8 K0 o2 r3 k- O3 F9 q3 _ - .nav-item-dropdown {/ e# H1 L5 V: @1 }# a+ z
- position: relative;
- U- a5 [8 G; h+ b5 l$ y - }
% Z& q; j, k0 G, y - .nav-item-dropdown:hover > .dropdown-menu {
" b$ _# \' ~ H/ T# S - display: block;
) Y0 M u5 {! m/ J - opacity: 1;
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- .dropdown-trigger {
0 W) d3 K; b4 T - position: relative;6 j0 [( r& a9 i$ _8 }$ o
- }- [: W) @. ^6 e# r" r2 ?' s) T6 K3 i$ m
- .dropdown-trigger:focus + .dropdown-menu {1 u+ r j6 U* h; k/ c
- display: block;5 R- _* n5 ~8 q9 n
- opacity: 1;0 d2 ?. P, D% f' s
- }/ I& S* t% x) |" P
- .dropdown-trigger::after {
) Z& r" c' y k* { - content: "›";, A/ B. t" r( `2 c# C
- position: absolute;. F/ o& u7 E5 a: j5 n) p6 A
- color: #ED3E44;
( w7 n& P X+ W6 C* g# H8 \ - font-size: 24px; s c9 k% F1 t% a$ d9 |! X
- font-weight: bold;
% s, E+ v" k+ W8 m3 W2 ] - -webkit-transform: rotate(90deg);& Q: H5 }& \. I
- transform: rotate(90deg);
: U0 j$ T* f4 w- B, K0 p - top: -5px;
" H; D4 W, n V9 N - right: -15px;- H& [$ a1 e; \+ ^
- }: Z G7 s1 ?' O z
- .dropdown-menu {
0 ~8 r$ B4 o6 H; G: o; h - background-color: #ED3E44;
0 N) r/ a% @$ Q2 u1 J( V2 w - display: inline-block;; L7 x2 B2 w! z. p
- text-align: right;- E9 Z7 O- Q; a* {; v
- position: absolute;
) Z% b& A! R* d$ W: _ - top: 2.5rem;: t h1 P4 Z l. C, Z# I: a
- right: -10px;+ L* Q; e$ E7 x/ v. N
- display: none;* O/ W7 i6 G+ ~6 W+ Y* J" o
- opacity: 0;2 }; @4 w: s- d+ @, h) G+ Q+ O
- -webkit-transition: opacity 0.5s ease;
6 T2 A+ ^! f& l# N - transition: opacity 0.5s ease;- b8 x5 A4 q( Q! P" ~. I4 l" g
- width: 160px;
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- .dropdown-menu a {
" A u2 f Z" k+ c) r2 X - color: #fff;& K. e; a, }" I
- }
7 t/ d- ]& y) p8 ^8 a. \$ f- ]! ^) v - .dropdown-menu-item { f) g* P" o" n7 U& P
- cursor: pointer;
, ?( L9 m: a3 P' }" w* f* y0 w0 R9 \ - padding: 1em;- \) X6 j! i; j& X: g
- text-align: center;
: \: I8 a8 l/ N C |9 O3 ^ - }
' E7 V8 Y& \9 e. S3 t) O - .dropdown-menu-item:hover {
8 f( n9 G [8 o1 \0 V- C* B - background-color: #eb272d;
R( }# h; X( C ] - }
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可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">% V+ s! ^: C3 a; [* ^
- <!-- Checkbox toggle -->% x- ]; Q4 b6 ]0 u8 ^5 \
- <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">1 K `8 C1 n I0 r6 z1 s4 \
- <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>
0 ]& T- {) W- a# A - <!-- Content to toggle from www.mfbuluo.com-->
0 U P$ h5 i Y X' |: k! g - <div role="toggle" class="toggle-content">* N# _% } x) F) N0 f" S
- BA-NA-NA-NA!
/ R1 @. r0 T$ ]! \+ P( d" g2 t5 u - </div>! a4 `+ d' {, O. E, B+ U
- </div>
复制代码CSS代码内容如下: - .toggle {) w# r8 @: E9 F$ X5 a5 D
- margin: 0 auto;2 t% R2 R8 H( i
- max-width: 400px;1 w( L6 ^" n; C3 [6 U
- }
6 r h4 J) ~7 ^: I J - .toggle-label {
: u. y" N3 p, K - font-size: 16px;
! E5 @; v, R/ k& ~ - background: #fff;$ A' X: k0 C2 J2 B: R V
- padding: 1em;
a0 Q5 G5 A) m7 f+ o - cursor: pointer;
" f2 k( a# p: U+ p - display: block;, k8 M* c# D- j# y @' G$ q
- margin: 0 auto 1em;7 f9 c; p: y( j. C2 E
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35); m7 A5 N: m- p6 _
- border-radius: 4px;
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# B- Z; b/ f, y5 _8 V* Q$ W m - .toggle-label:after {
% d- h# O1 [' j$ w" `1 B - color: #ED3E44;
5 h9 V A0 o+ ]' {; W# r; F/ `' N - content: "+";2 U7 [; s3 ?: @
- float: right;# x/ d4 `" ?4 u d2 g! _6 o* S) ^
- font-weight: bold;
; Y4 r. D* i M% h, H/ T - }
0 ^5 q1 g! ~9 a( Y" p- G - .toggle-content {% R) M H% ?6 F+ g5 y. M' F3 e
- color: #B0B3C2;- w [9 x# Y+ _# ]
- font-family: monospace;7 n8 ?/ Z( W t' I
- font-size: 16px;
, \- T# K& }$ u5 m$ G: C - margin-bottom: 1.5em;
- c, y) ]9 e" y2 ]. T - padding: 1em;
# \( p9 i" B. T# B6 J3 ^- t - }
; W, C4 m! H# r* @) V7 r# u - .toggle-input {
! N" G4 S" Q( I! @0 P' H3 }, N - display: none;2 N$ z0 [) g1 O7 `0 ?, V, J, q
- }: g' Z6 |0 l M
- .toggle-input:not(checked) ~ .toggle-content {/ n6 v' U3 J1 r4 ]1 O, V
- display: none;' _' l* q1 F3 S0 U' R9 {! T; ^( i
- }+ S' k0 n7 l4 i8 n& c( |3 s
- .toggle-input:checked ~ .toggle-content {+ s0 I* L3 n7 u3 w! q
- display: block;
" v) F' e5 | t2 ?; C - }
! Q# O* \ H2 a6 F$ r - .toggle-input:checked ~ .toggle-label:after {
: }( |* Y6 E# }( R/ O: L - content: "-";0 E! i' [4 F, T$ }* m! O
- }
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