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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!">' u& ~. {+ p$ w& v2 t1 A
- Label for your tooltip+ Z& G" Q) m5 J3 A+ d$ U( Z
- </span>
复制代码CSS代码: - .tooltip-toggle {* n' b. W" ?, J' I1 D( S
- cursor: pointer;
5 Q. K& k7 ~! ~. F. p# ~ - position: relative;
. ~, l1 t, |% P- o3 A' R# H3 O - }
$ s* A* t& t, s$ X) g" R - .tooltip-toggle svg {
1 Z0 X, |) ^2 X9 J4 X \ O - height: 18px;. x' b/ j" J8 o
- width: 18px;4 `7 [2 w6 k+ E" s5 e! X
- padding-right: 0.5rem;/ b ]% x2 h* G
- }
' N8 T. X0 w t4 \4 |# ? - .tooltip-toggle::before {6 G& {2 G+ ~. v3 m8 t$ {
- position: absolute;& ^, |( w2 i2 r. I% I2 @' b/ g2 h
- top: -80px;
$ N# J' b# X, c- G1 k$ S, Z - left: -80px;4 e" X, N% G: s1 G1 D" a ~
- background-color: #2B222A;7 K6 \. Y+ a/ \. L6 T r, i
- border-radius: 5px;
8 |" P/ }' l3 y- {; B1 c% u' } - color: #fff;
2 H; T) i |8 }$ I- ? - content: attr(data-tooltip);
) v' |5 h$ d6 b+ @ - padding: 1rem;
Z& F1 _# A5 t( n0 G8 G - text-transform: none;
, O& }, y. j! ~8 o# i' y9 [ - -webkit-transition: all 0.5s ease;8 J8 g% y" s( Y- D7 S% c# v
- transition: all 0.5s ease;- F. S3 U; A7 }% c4 p, }4 Y1 R
- width: 160px;1 V, M; ?6 y( F# S- k' \$ w: A; j
- }1 n" l$ F) `) V" E5 ~
- .tooltip-toggle::after {
2 `1 W7 a* W4 @, c4 v - position: absolute;; L- J% x$ I+ j) C" m: X2 Z
- top: -12px;
! k, j0 x5 w5 N$ N" F7 g& E3 I - left: 9px;& t9 Z# }$ e4 V, V2 e
- border-left: 5px solid transparent;+ q. g% r. R; D6 F; f
- border-right: 5px solid transparent;
. @9 X, C- o2 I! |1 i5 j - border-top: 5px solid #2B222A;
/ m' m8 ]" X% ?5 B0 W - content: " ";) {( f* A! v( ]6 W* k# s
- font-size: 0;
+ l: |! u$ L# Q" ] - line-height: 0;
: e5 Q4 J( P9 ~ - margin-left: -5px;& H- ~/ n3 M+ S: e) P& G
- width: 0;5 x! q) s8 K4 ^; `
- }
# f5 p1 K9 f( a, k @ - .tooltip-toggle::before, .tooltip-toggle::after {; N$ t9 g& @1 n" A
- color: #efefef; e0 M3 L5 e. ?! g: R
- font-family: monospace;# C$ o4 B$ ~ G; O0 O$ Z
- font-size: 16px;
5 l) P+ S* v" T2 h) {: } - opacity: 0;
' f( l- A, E- x2 D+ z; } - pointer-events: none;
1 m3 y- b2 q1 p+ W) a - text-align: center;) M# s2 ^( a( F, i
- }
8 ? ~' [9 g( O5 d1 w - .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {9 V& L7 f8 ^6 I4 I
- opacity: 1;
1 O, d. }' T0 o0 j' m0 | - -webkit-transition: all 0.75s ease;
. U$ b8 n& x* f* w - transition: all 0.75s ease;# T$ @& d: d2 F, ^) g
- }
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">
8 j% D# X: l* b& s J. I - <ul class="nav-items">
$ |+ C' u. W7 B" }+ f - <!-- Navigation -->6 H" C# v4 M# G+ S/ c( C
- <li class="nav-item"><a href="#">Home</a></li>7 |* _3 ]; p& \9 ?; Q& Q# g: f0 T
- <li class="nav-item"><a href="#">About</a></li>
! F [/ ?) T5 c( c - <li class="nav-item"><a href="#">Contact</a></li>5 A, D) {" Z% v1 o1 h7 O8 {( d
- <!-- Dropdown menu -->
/ \' q$ T6 x$ F - <li class="nav-item nav-item-dropdown">$ @) ^0 R5 F) ]
- <a class="dropdown-trigger" href="#">Settings</a>
1 P0 M$ b8 h9 o$ O - <ul class="dropdown-menu">7 P) r$ Q" t. ]* ^( Q$ t* h6 b; c
- <li class="dropdown-menu-item">; v1 C f% m$ N. q! S/ \% g
- <a href="#">Dropdown Item 1</a>
- ?/ @7 L$ `) m7 I1 Z - </li>1 c2 `+ ?2 h5 Z" f( {
- <li class="dropdown-menu-item">& r# d+ j* r0 ` G
- <a href="#">Dropdown Item 2</a>) R9 D8 q0 V- M; ?- \8 J
- </li>
# F: [+ F# I1 Q8 p: V - <li class="dropdown-menu-item">
" s2 X) C* d L2 X& G9 K - <a href="#">Dropdown Item 3</a>
$ c4 K# X9 }: h% u - </li>
U; c1 J" L% b& C0 X8 A - </ul>
6 j1 \7 H5 l6 N; R( Y' K) F - </li>
8 ~$ M7 e* d5 Z - </ul>
: E! X( U4 P+ U- o4 P& X6 _ - </div>
复制代码对应的CSS代码如下: - .nav-container {% X. o& a/ N( |5 p8 A1 M' P, G
- background-color: #fff;/ H0 A8 b9 {! L n" M! Q5 N% v
- border-radius: 4px;
8 V& @. a- H! E% ?8 Z - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);# O+ Y$ G9 S% V" a8 y$ ]$ j0 ?7 b
- padding: 1em;' Q( X' H: }0 s- {* H
- border: 1px solid #eee;) Q; h3 }, D- Z! d; w6 R$ C
- display: block;
2 J! B' C( q, _( a0 O" X; s! m - max-width: 400px;) A- R3 T7 |# E4 a, R% L) \% ~
- margin: 0 auto;8 E& s" I) W3 Z
- text-align: center;
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- li { w1 H, s8 L4 v6 }$ }: x
- list-style: none;% [9 l4 t/ L. i" n
- -webkit-padding-start: 0;2 q& X% U2 k. b
- }4 Z# k' r8 e9 }8 a7 H) p" A
- a {5 Z2 }8 x/ c8 G* o8 U$ F
- text-decoration: none;
- ~% L' w, g: w7 B# j0 r/ S - color: #ED3E44;) t- a. J; G7 G; r
- }, r8 q3 A' w, c
- .nav-item {
9 V: }- ~) ^- q& ]' i# x8 W7 T - padding: 1em;- h* f' G( P" l2 e/ O# W% p8 r# g
- display: inline;2 R/ v+ l3 j b. Y. s$ z; b
- }- J4 z. u( q. L. u
- .nav-item-dropdown {2 I" A& q7 Q" b
- position: relative;2 Y+ }3 _$ T# w; H
- }% k+ X" t5 J; x2 }+ m
- .nav-item-dropdown:hover > .dropdown-menu {
8 l( p/ h) t" o0 T' @3 J* ` - display: block;
$ d" Q' w" v" A% H; }& {: m) F - opacity: 1;
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- .dropdown-trigger {
( r* _! @' j9 J1 d$ W5 p" a - position: relative;
: k+ m# b L1 E - }
, x; N; Q. }4 \" Y' o6 _" d) u. X: T - .dropdown-trigger:focus + .dropdown-menu {
( z: @9 a7 f5 N9 [; _" |2 }, ^2 V0 C - display: block;
4 a" b# g* @- @6 [- e5 n - opacity: 1;
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- .dropdown-trigger::after {) o6 e2 C5 c* H8 S4 d" [
- content: "›";; m, Q: \+ _( s" |; \
- position: absolute;* T. M" U% u5 N* ?8 o
- color: #ED3E44;& ]2 D, d( s5 l
- font-size: 24px;
; u* o3 Z6 V- ^( e2 Y C - font-weight: bold;9 l1 m/ p. r9 I, x
- -webkit-transform: rotate(90deg);7 P; _! @1 |! Y; ]0 u
- transform: rotate(90deg);
' b0 R* h0 ~8 \" ^. _% `) |. ~ - top: -5px;
6 j1 N( w* C* v4 u - right: -15px;
; k. C1 u+ v- X6 {9 r - }
/ O9 ? A" D2 i+ ^6 X6 @ - .dropdown-menu {
' o2 F# ~6 E' A9 X - background-color: #ED3E44;+ ?, j; Z7 w+ F* Q
- display: inline-block;
" E; | L. Y) J! X! A( K - text-align: right;
@: S! i+ B" |* N+ y7 A - position: absolute;
- { k- b- a* d - top: 2.5rem;
/ c% Z4 s% n* u - right: -10px;
: W1 P& g4 K. v7 H4 z% A3 K# b - display: none;. z& J% l- Y$ C8 `4 H
- opacity: 0;
: L% C$ ~4 T w/ ~& L. J$ E# D - -webkit-transition: opacity 0.5s ease;
8 u' j6 m) Q' M1 T% d! d# S! g - transition: opacity 0.5s ease;
! N; |+ o" s/ u - width: 160px;' i1 M$ E; n/ s" @; T) \
- }$ X& Y5 c1 u( g+ A) Z
- .dropdown-menu a {
( B8 j' q l9 Z# C; k5 g4 s - color: #fff;; q1 T+ n; l+ W0 T6 I
- }
& D" F. b2 _( L - .dropdown-menu-item {& S5 `& u7 z. g0 ?0 Z
- cursor: pointer;+ s& M( X% K$ y( T3 b% X8 J4 C
- padding: 1em;! `: k( R: R# Y: ~
- text-align: center;
& u; q7 t% \+ B - }
' j0 G" p$ v! @3 y! B - .dropdown-menu-item:hover {: z, d2 G" h4 t' i3 Z
- background-color: #eb272d;+ d' s& W5 i5 @% F% ^4 F6 F
- }
复制代码
9 j1 i5 G0 `2 o" {可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">4 `' i* D G) C0 t
- <!-- Checkbox toggle -->
; ~) [* l: F, Z0 p1 J - <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">$ F' h" A S$ c; G1 z$ _
- <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>4 m+ j7 j; R/ T2 @8 b: N, Y
- <!-- Content to toggle from www.mfbuluo.com--> _' }% [' l7 S+ |6 a
- <div role="toggle" class="toggle-content">5 [1 V- J1 S9 D4 U* ?
- BA-NA-NA-NA!! e4 D6 T( o0 j7 ?3 p1 ~9 L6 U
- </div>
6 y/ { a" G f3 v) _* x - </div>
复制代码CSS代码内容如下: - .toggle {/ W' D' v, E& e$ L9 t- m
- margin: 0 auto;
- l9 W& \$ t2 _9 L- a4 E& h1 w6 Z - max-width: 400px;
6 ?$ \5 z) {* u4 C7 f - }- b6 i" T0 h2 [! I
- .toggle-label {
- p) w& Y& n; P% C9 i6 a - font-size: 16px;
& b7 Q! l. |4 l3 J1 S: q - background: #fff;! q) l0 j! p! g; e+ j, T& G |
- padding: 1em; n+ I0 C( t6 V9 U. d
- cursor: pointer;: C8 t+ ^1 n! A+ Q: ^
- display: block;
$ r/ [9 d. `* N& ]: }. N+ G - margin: 0 auto 1em;( h5 G6 B( f1 b/ ]! w2 `$ Y# R
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);- X: b {% \& s8 p
- border-radius: 4px;
* ~8 t, K \: u5 _. H9 q - }: h8 P; D0 N6 d2 A/ H
- .toggle-label:after {
5 H& P& C; ~( Y$ w. Y& [/ z - color: #ED3E44;
3 m! f' l- r$ {, e* [ - content: "+";& K/ x. S& L; A
- float: right;& I+ w( C5 `/ L4 f' }* n3 Y
- font-weight: bold;2 k5 I) A* g4 K I( v# g O
- }
9 @; }+ Z# X# ]3 s r4 {. Z9 r1 O6 w - .toggle-content {
3 f( Q8 Z0 X& I2 s2 L: U4 j - color: #B0B3C2;* R7 ]" t! E+ c1 Q0 X* U" Z9 e$ [
- font-family: monospace;% V% J6 m9 D+ i% P4 b+ Q5 P
- font-size: 16px;
7 t M0 L9 d1 c+ ^- p - margin-bottom: 1.5em;/ d3 V& F- O$ Z
- padding: 1em;5 Q0 q; P9 K& O! Z0 W+ |
- }
# A: f$ [$ K' O1 B3 V4 n1 |7 } - .toggle-input {
. ~* f: ?- i( B2 g - display: none;0 `: y; z/ q0 e4 G# v" T
- }; @# l" R% r0 L5 u. C1 w7 g
- .toggle-input:not(checked) ~ .toggle-content {
: Q7 t) }; G8 P - display: none;
: z" n: l3 [' ?$ _! P - }
8 S" ]1 f' t2 ]9 y7 o( s/ g - .toggle-input:checked ~ .toggle-content {
9 F* d/ `; {" f' l( o - display: block;8 ^" O0 r" {0 |& u$ a) |/ J' c
- }- w& l- g* Y7 z& H. j
- .toggle-input:checked ~ .toggle-label:after {* V1 | u6 u# ?' L+ \2 y/ E9 E
- content: "-";
% v( V, ?# |( P J6 b! }$ `) L - }
复制代码 $ O" {4 V' W2 Y G# u
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