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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 m A4 p2 M2 |7 e/ ~7 }6 S; {" _
- Label for your tooltip' o6 l& W$ X+ j a+ ]/ j; D9 z
- </span>
复制代码CSS代码: - .tooltip-toggle {
2 A# ~) g& [0 G( z3 C0 e9 d! |+ A - cursor: pointer;
+ w% P R: {& R" n' }- e( J1 ] - position: relative;
$ F& b& C& v% u! s - }3 w/ Z5 e9 @& w2 g9 z
- .tooltip-toggle svg {
& j' j1 ^0 R9 n9 y l6 X {! F - height: 18px;
& I, W; ~& R, S; F. R7 ? - width: 18px;6 r1 \( ?% S) p4 C
- padding-right: 0.5rem;
$ E& O& {3 P, A - }- v6 m9 P7 n# U% }
- .tooltip-toggle::before {
4 H3 R7 Q* V2 `# ~/ [ - position: absolute;
" H+ `% ~) I8 n0 Y9 G: U) Y* e$ d - top: -80px;+ B" q! t3 ^" t4 u/ _
- left: -80px;- q4 P9 P# D! D
- background-color: #2B222A;. |3 a$ \0 \( `
- border-radius: 5px;- d: `9 t f: w+ ^. c
- color: #fff;
8 }6 Y o. k4 n- j" g7 H - content: attr(data-tooltip); f1 j: K' E# h0 m I* j' i
- padding: 1rem;
, ]- \! X) j S - text-transform: none;7 |3 F3 F* r' ~) {/ _
- -webkit-transition: all 0.5s ease; A2 U- B4 ]2 s( \
- transition: all 0.5s ease;
) I' J: N. ]& y3 j; L3 G9 U - width: 160px;
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- .tooltip-toggle::after {; |: D; R. Y' |, A
- position: absolute;( k+ m) k5 Q. u
- top: -12px;7 O3 t4 V3 C0 J* E
- left: 9px;
- U j* ?& N3 W& a2 B - border-left: 5px solid transparent;
% _' C; d) P; B - border-right: 5px solid transparent;
, }1 c2 f% m3 a$ n - border-top: 5px solid #2B222A;1 J; |( X' x5 ~" E1 p+ ]) A: k# ]6 F
- content: " ";' p, ]# S+ W) A% B$ U2 ^3 |
- font-size: 0;) A6 o4 |4 M/ d/ a$ H, L# L0 }
- line-height: 0;
9 `- l: Y6 q' O$ j# B) B0 {9 K - margin-left: -5px;
0 P# z# J" K$ }7 S c6 e - width: 0;
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: R2 M% h3 s& V' }2 E& ? - .tooltip-toggle::before, .tooltip-toggle::after {: ^* `/ D6 [8 C, A; g9 C7 w
- color: #efefef;
% b4 G3 V% z$ F& k% L, ] - font-family: monospace;
- c# @& O& j- z4 G" o. {2 L' q8 O; T - font-size: 16px;
! ^& v) [# w% e# ? - opacity: 0;' q1 n) l# e. A+ z- D
- pointer-events: none;1 Q' x, [7 R q- R6 c$ ]& n
- text-align: center;
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- .tooltip-toggle:hover::before, .tooltip-toggle:hover::after { M" O6 _: W6 M" k7 T3 \; O
- opacity: 1;1 W/ j+ i' E K7 f1 K) ~- ~
- -webkit-transition: all 0.75s ease;5 H6 e( C) D) I
- transition: all 0.75s ease;' @5 }, J' A; M: I& C
- }
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 V! m8 w5 q/ V# S1 N7 w- P
- <ul class="nav-items">* v4 W$ U- y$ ~0 E. L+ p' _, |
- <!-- Navigation -->
5 d& Q3 v# m g8 x8 ^" U - <li class="nav-item"><a href="#">Home</a></li>0 {- ?; |, [9 Y$ v! T6 y1 P" D u
- <li class="nav-item"><a href="#">About</a></li>
/ {8 X1 z. _5 b, f( b - <li class="nav-item"><a href="#">Contact</a></li>
' l7 R9 K) B+ _, M# f6 X/ G& ^ - <!-- Dropdown menu -->4 U+ n2 |1 i" V) P2 O* r
- <li class="nav-item nav-item-dropdown">
- ]" z( v. I8 E; c5 f7 w - <a class="dropdown-trigger" href="#">Settings</a>' F+ R" v' f7 k0 ?* ^# E- _
- <ul class="dropdown-menu">
/ g* Y6 d) T% n/ \. X: ^' a - <li class="dropdown-menu-item">( I/ v: ^9 o. D- ^! L9 k1 y$ `
- <a href="#">Dropdown Item 1</a>
* k% V& @$ ~' H - </li>4 ?4 R% H! y$ Z
- <li class="dropdown-menu-item">
m5 |& S Q9 W; R - <a href="#">Dropdown Item 2</a>
/ C9 @6 [3 H( l; W/ V6 { - </li>
8 s& F: C/ H$ t6 u" |4 [! n - <li class="dropdown-menu-item">, S$ V2 s7 B0 |5 z+ k; e# c
- <a href="#">Dropdown Item 3</a>
9 _" \9 l' F/ l$ x+ c5 t1 K! S - </li>
8 [* H4 M# d9 V: L7 r. q! o- C& D - </ul>$ G, Q. O; Y) ~4 X( H4 ^" F# A3 s
- </li>
6 [# Y7 ?, z3 e: N& j2 C - </ul>( t: d J- {3 u! ]9 A. `
- </div>
复制代码对应的CSS代码如下: - .nav-container {
4 o+ \& k5 v2 Y) B4 Y5 B - background-color: #fff;" ^$ y: w* _6 A+ _) |: v$ F
- border-radius: 4px;
' V1 M( O9 e, B( G - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
- j- U$ C6 Y( w1 _6 ?$ H9 S - padding: 1em;" X. z; z7 G, e$ |8 w' m
- border: 1px solid #eee;
9 r; e$ I) U2 m - display: block;- w9 h, U' G. l6 }' u* n
- max-width: 400px;$ i. D! B0 Y P7 u( Z9 O
- margin: 0 auto;8 Z- q! g6 j T6 M1 D
- text-align: center;8 P9 W4 q! J8 t) R# T
- }0 x$ r# S9 n' F, h
- ul,
1 [5 r: w* {* U U - li {
! C2 B. h. @2 b; A - list-style: none;" Z/ K' A! N7 @
- -webkit-padding-start: 0;4 `: d. z+ w$ Z/ R9 z- j
- }
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- text-decoration: none;* e4 Y* n% k8 j& @7 ^
- color: #ED3E44;" x6 O: X a6 @3 U3 w, O' P9 T) u
- }- T7 v" J B9 ^8 M0 t
- .nav-item {* w, S# [/ w7 Y/ y7 _- w& n
- padding: 1em;" j2 I" D/ {6 L* ?, j- z
- display: inline;, j, {% [. H; K
- }4 r: `1 y9 E. P/ ^. m9 r: w* A
- .nav-item-dropdown {
3 M3 y0 h' c5 k1 m% Z2 E- N - position: relative;
% H9 b! \! @2 G, i. k# p2 E - }
' n1 e$ i# p- y! I0 c6 U - .nav-item-dropdown:hover > .dropdown-menu {
& @1 i/ I3 u* k4 `0 k - display: block;! e" T f: {' P. u3 f
- opacity: 1;) u0 U% S& Q- t8 p" D# S! W% w `
- }
n* c8 b3 y) ~# K* ] - .dropdown-trigger {
) B R/ ], x$ o0 Y k) m2 ?2 m5 | - position: relative;
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- .dropdown-trigger:focus + .dropdown-menu {- t2 c R% H7 { ~& V# `6 u
- display: block;
$ j; h% T8 N8 c - opacity: 1;, s1 X7 v7 s! G) h$ n
- }# p1 l2 I. C& \' M5 Z
- .dropdown-trigger::after {
6 q: I# U! l: n; F - content: "›";
3 F/ L2 B F( T) F% l E - position: absolute; N6 p H! A; a. ]) P2 y! ^2 ~
- color: #ED3E44;. F% X; H+ [8 ^+ m9 A
- font-size: 24px;
. b) o5 ~* @7 H' y - font-weight: bold;
! q6 N y9 n! ?9 U - -webkit-transform: rotate(90deg);% n7 `6 _: I% b; J1 t+ D
- transform: rotate(90deg);
$ q% Y b" D- w, W" s' M2 `2 d - top: -5px;
8 U: W9 ` Q F; y - right: -15px;$ k: e4 q9 U0 P K/ B5 q5 i% g) m
- } ~- }/ U) t- H- J) b& S
- .dropdown-menu {
C' A8 v5 K9 P - background-color: #ED3E44;
; F5 @, ]* p" H8 w' K1 w' r - display: inline-block;
' u3 L% n8 ]: ]3 u - text-align: right;0 z; d4 R1 [; s3 b% z
- position: absolute;! R/ R v( {4 s* N& E
- top: 2.5rem;% R, c+ o/ S" y( {% N& P( u0 X
- right: -10px;
) X i. K3 M4 W! p6 o - display: none;
5 f' P; A4 Y5 m( {; c S - opacity: 0;
5 O% j- z& ~. _' n. K g - -webkit-transition: opacity 0.5s ease;
2 V3 S2 ]/ i8 ^5 F1 C - transition: opacity 0.5s ease;: k F) b6 F! u
- width: 160px;
9 G Q7 q+ }7 y% w3 i Y - }- Q& R" A9 u/ X
- .dropdown-menu a {# A7 X* @4 Q2 A4 [: ?0 w7 L
- color: #fff;1 v+ R7 Y: Z( A" u
- }' m0 v v$ T5 U; p- }* R! ?9 P
- .dropdown-menu-item {
4 S" X4 B: q, r$ M% v$ A - cursor: pointer;, Z. o$ y) | i
- padding: 1em;
7 P2 Z( j' A9 {9 s - text-align: center;- L7 a. W8 `$ m& t/ e" M4 _% C
- }& }) ?7 ?/ f# q$ H
- .dropdown-menu-item:hover { h) i# P& `1 m% h8 K
- background-color: #eb272d; M2 J* Z2 K+ G4 w7 d, Q
- }
复制代码
+ p' i+ F" n- _: b" b可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">! y# N! M* E, u5 j6 o
- <!-- Checkbox toggle -->
5 Y- W5 @9 i# |5 }1 C - <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">
% `1 y. _' r2 d" f4 R( e% _8 U0 s7 j - <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>
' J6 s- m; @1 l u5 o - <!-- Content to toggle from www.mfbuluo.com-->
$ } {7 m, f% k: ~ - <div role="toggle" class="toggle-content">' I& K3 I: P/ B* C! q( H# H
- BA-NA-NA-NA!7 a9 c3 g- J; a: D+ D( k
- </div>
+ A" R) Q' C& ?$ n1 t - </div>
复制代码CSS代码内容如下: - .toggle {+ @# K! y* [% l7 J: M. G
- margin: 0 auto;
5 e. H: x |& t; ~" f- t - max-width: 400px;
& ^# j! V. U5 R8 `% W/ e - }
6 X4 C3 W+ T6 q5 B- L$ C - .toggle-label {$ R( E2 O* s2 I$ i1 x0 ?( h0 D9 l
- font-size: 16px;
0 [8 {2 T% n& S* V6 m Y, u - background: #fff;5 ]; p+ v, P. r; `1 Y+ M
- padding: 1em;. J" Z3 j* m) Z8 k" |7 ^
- cursor: pointer;
+ H/ [) |6 R6 X4 M) u* D' ^ - display: block;
. G# q% u# K3 Y" ]( p - margin: 0 auto 1em;, g. c: ]- [/ N! `1 d6 T& D
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
8 W! h- T" B& E3 z7 p8 A& ^& v - border-radius: 4px;
6 d: g9 R, i# r$ l0 U4 k - }
) h* @1 m) `+ V5 [+ ~7 n3 Y w# c - .toggle-label:after {% D/ m. T# S+ A* A
- color: #ED3E44;$ X3 ^0 ~6 \( \' Z" ^) E6 [ l
- content: "+";
5 h( K& f5 M" q6 y' B/ m - float: right;/ n- S! H& _, @; v. A" a( A" }
- font-weight: bold;
. p. @0 P% w; T. j8 F6 b - }. s5 {" m& j) T' l0 c a1 E9 [2 U3 N1 x
- .toggle-content { p# l: c$ U$ A$ D0 {1 \
- color: #B0B3C2;
; u b: U2 ]1 _0 R - font-family: monospace;
- w4 d7 h" Q( b* F - font-size: 16px;
5 r+ l9 Z! P0 u7 g. \) s5 p( ]1 ] - margin-bottom: 1.5em;
* V: T% @9 p: C/ I5 R. W' T" q - padding: 1em;
; v$ P. b, s7 p) s; \ - }% w1 I& D$ v% M" ]7 |" E
- .toggle-input {" {1 Y* ]6 y9 p. j: Q, L
- display: none;1 N$ e+ C+ U6 F: u0 L# P: B1 f0 a
- }
% j8 ~& {1 _/ I/ T# @7 m - .toggle-input:not(checked) ~ .toggle-content {
1 A4 |7 S" H+ i4 @6 A - display: none;1 L5 X# A! S. V; _0 l
- }
' Y; E8 b# C. T, U, D - .toggle-input:checked ~ .toggle-content {6 {6 z9 ^4 }, W2 k$ X5 U' `" G
- display: block;
7 I- I- h, ?1 Y/ T' ~) t* u* [ - }2 B% N) G. c- ?" K* m
- .toggle-input:checked ~ .toggle-label:after {/ j/ P% `4 Q1 x0 ?
- content: "-";
# N' d4 a5 G$ c8 c) x5 U- N - }
复制代码 ' _8 F" m( C& ~4 ^
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