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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!">
$ S+ M8 e' {: X: G - Label for your tooltip
- u7 \0 y4 Y: h M$ z# c - </span>
复制代码CSS代码: - .tooltip-toggle {
& R ]( ~# b z - cursor: pointer;
; |0 Q* i7 c2 R - position: relative;
- Y5 I8 X4 [, n% l - }- T$ \+ G) z8 T4 y$ M2 J
- .tooltip-toggle svg {
" J+ ^8 q0 q: h- M) Z6 E - height: 18px;
* u* {2 x+ M g" c5 e - width: 18px;
1 }: f+ `; y8 w. [+ y S, h1 `- @- s - padding-right: 0.5rem;4 A0 q8 R, ]; B8 v1 Q, @
- }6 {2 a! c+ f- k& M! R R
- .tooltip-toggle::before {: c9 \" J+ \) t# T, L( v k
- position: absolute;7 e' d' g5 Q- T4 S3 k
- top: -80px;
7 j. E" E( h0 W - left: -80px;) P. ]! t& B2 g3 B3 F0 a Q# K
- background-color: #2B222A;
, U2 s. D5 r+ p$ G$ `$ g8 n) t1 k - border-radius: 5px;
+ I, {! w" O5 W - color: #fff;
* n3 e- K- K. n% @ - content: attr(data-tooltip);) s5 h' i* `0 k
- padding: 1rem;- o4 O3 i- d, b/ l X+ w: D
- text-transform: none;
, u$ I* }. E( V4 {: f - -webkit-transition: all 0.5s ease;* a" w0 s$ o! o- I
- transition: all 0.5s ease;" q; D8 J7 ]1 O3 |5 i
- width: 160px;8 `$ P" P6 d5 ]% b
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- .tooltip-toggle::after {: V( i/ @+ U1 S i1 ?( y" K) f
- position: absolute;
/ y% O0 M: z m - top: -12px;2 X2 i$ q' p# A: o; {
- left: 9px;9 |" {4 E& D$ c/ _
- border-left: 5px solid transparent;' J& U5 {: V% L7 K
- border-right: 5px solid transparent;- r# q- D* a1 v1 a
- border-top: 5px solid #2B222A;% h l, a3 Y4 t; A+ d
- content: " ";( y- c" C0 ?- t- F. `2 U2 a+ T8 T
- font-size: 0; W4 @& _/ x$ U$ E1 H
- line-height: 0;
& y" C8 f/ f5 M% H" k - margin-left: -5px;$ T8 \) N! w5 N+ g% e( a
- width: 0;
. a5 y$ A0 a% t# F; X - }
; _5 E# V+ Z+ }: c/ u& F - .tooltip-toggle::before, .tooltip-toggle::after {
/ A8 K, |8 Y5 w+ o - color: #efefef;& F& D9 v$ M5 @ }- b5 W
- font-family: monospace;% H9 o8 U0 E6 b2 ^ m9 {
- font-size: 16px;
3 y$ [$ ?+ q( k+ F - opacity: 0;% F% y4 d3 E) d. r# M9 ?
- pointer-events: none;5 e% N" R/ A; J( Y4 |
- text-align: center;
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' R; t% @% R8 R5 P$ V ~6 f4 Z - .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {6 N9 a+ M& J& Y
- opacity: 1;
* c- x K+ @5 h - -webkit-transition: all 0.75s ease;
R$ O+ Q g( F - transition: all 0.75s ease;; n$ {2 o9 u0 L) X( w/ \
- }
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">
* [" }: k" F9 }$ e& p - <ul class="nav-items">
* h3 c4 H G: Q1 |1 k( l5 N - <!-- Navigation -->
5 P9 r8 }$ U. C2 t. J1 {6 k - <li class="nav-item"><a href="#">Home</a></li>9 `: v" W. [3 k! J
- <li class="nav-item"><a href="#">About</a></li>
9 m% d) x4 Z5 Y: J - <li class="nav-item"><a href="#">Contact</a></li>
! n" V( ~$ d7 Q3 \ - <!-- Dropdown menu -->" J3 Q5 h# J3 v, Y( e3 a- S
- <li class="nav-item nav-item-dropdown">, s7 K5 [. B F9 w7 I
- <a class="dropdown-trigger" href="#">Settings</a>
( M! N. L% N6 e! ^/ D K" n7 ^ - <ul class="dropdown-menu">+ p. q9 p# N1 ?+ T
- <li class="dropdown-menu-item">3 |6 O* {* l2 } r! o+ _
- <a href="#">Dropdown Item 1</a>
, u4 d; |" T+ ? - </li>
; Q, ^; w2 T8 J+ r$ u" H - <li class="dropdown-menu-item"># H1 Z, I# h+ `, n# L, ^# B! F3 }6 U
- <a href="#">Dropdown Item 2</a>% ]: V- N/ F, e: v% A- A
- </li>
0 n; E6 W9 }5 C4 `( ?/ a( G - <li class="dropdown-menu-item">, Z; y2 K- K- K, j2 x
- <a href="#">Dropdown Item 3</a>, q- b5 ^9 L0 E7 r% [- L( q- N
- </li>" \: y: }+ M( I5 P
- </ul>5 P# d3 Q7 t8 \5 ^
- </li>
; j# J/ @$ i1 \% a6 Z9 x - </ul>
: _& X" G/ Q; t& o# Y9 y# d - </div>
复制代码对应的CSS代码如下: - .nav-container {1 B% s. {* f1 S, o$ ~ j. U$ ^( W$ K
- background-color: #fff;
L% M& a! @. [$ A9 F. V9 y( j: w - border-radius: 4px;
' x- U7 `* g, w f - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
0 ?) R$ f# N4 X$ z, d$ b - padding: 1em;
, z% I# K6 ]$ m/ a" u; e' J - border: 1px solid #eee;
% |5 V+ O" `1 u" E- P - display: block;; @7 `8 g& F$ X
- max-width: 400px;% T0 i, Q' b# l4 q- k' H/ c* F
- margin: 0 auto;" j/ K/ W7 C- i
- text-align: center;
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- ul,4 ^! }+ U [8 g. A' X" E$ A) B
- li {
8 {/ T9 b5 i& K; d, Q8 m - list-style: none;3 l7 Q0 U" B9 w/ \1 P; C
- -webkit-padding-start: 0;, @ v+ M4 z$ |- U( v
- }
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1 t, [1 G- ?$ T9 q% R$ O; L - text-decoration: none;+ O# m/ j7 J% e, }5 B2 T
- color: #ED3E44;
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- .nav-item {4 Y# h* G2 N/ U$ B& B: R! o
- padding: 1em;: P6 `" `( ^3 L9 y& R
- display: inline;! `* |3 E1 }" o7 n
- }. ^: J3 {: r/ i* d8 {
- .nav-item-dropdown {1 p: V/ _5 p: n7 Y5 T# z
- position: relative;
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- .nav-item-dropdown:hover > .dropdown-menu {" v' r: B( R3 [4 O6 ?
- display: block;
4 O: R+ {2 Z- R9 j - opacity: 1;$ j; H- z% G w% k
- }
# ^4 `; z) |3 J/ l - .dropdown-trigger {) X8 e% z3 d* a1 u8 u3 j
- position: relative;
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- .dropdown-trigger:focus + .dropdown-menu {( \8 E( }/ D# L7 m+ E
- display: block;7 f' ^% E) [% j: p/ m+ d* V# j Q
- opacity: 1;" I* [; K6 [/ f& H
- }- L9 n9 \/ {* i5 Y
- .dropdown-trigger::after {- P! W# w. E1 S. J0 p
- content: "›";+ @1 z3 w6 ?; X p/ V2 ]2 D
- position: absolute;4 X k; L3 n1 R& T4 F. p, c2 X
- color: #ED3E44;
: K3 n8 J/ V/ {4 n- l6 c3 w - font-size: 24px;
+ S# I) P3 w. |6 A' L - font-weight: bold;8 e! c) W8 y" N! i( H3 y& [: w
- -webkit-transform: rotate(90deg);
- D: R* Y p+ ]# N J" ^ - transform: rotate(90deg);' y' @: y; u' F% r; ] r. r
- top: -5px;
9 p6 H0 ?6 K9 i* v; D1 {% K, ? - right: -15px;
, y/ P9 W8 @8 V% L+ `2 S+ X' f - }* L S5 w* g+ O3 t4 Y* `
- .dropdown-menu {6 U: a2 D0 T* v. Y# x+ d
- background-color: #ED3E44;' W- c. U) |8 z2 x/ z0 r
- display: inline-block;
6 Q @: K, W: ~( g* x+ U - text-align: right;
* Q! u1 V3 @0 `. O2 Z3 Z - position: absolute;
, G$ y7 |! z$ V8 Y$ I - top: 2.5rem;( y# V& a6 i5 P0 Y+ g o
- right: -10px;
* c0 g. r# H# c3 b g, p# | - display: none;. p7 o3 [. @; D( O8 F3 W6 U
- opacity: 0;+ u. F% u+ B, _& G1 V6 R" K0 q; Q
- -webkit-transition: opacity 0.5s ease;
; Z' i2 c3 @+ Z, {9 h' w* l - transition: opacity 0.5s ease;
9 f" P# ~9 w9 h1 {5 L$ W& P - width: 160px;* l- Q3 Z' F# k, {# o, k7 j4 }# O
- }' L" B" e/ I( J }' `" w
- .dropdown-menu a {3 u& U6 Z3 Z T! n0 i
- color: #fff;3 \0 [" n2 T3 N- w3 d
- }
" z8 a, ]6 d" p- X - .dropdown-menu-item {. Z+ O0 m% q9 `5 x0 E5 b
- cursor: pointer;
9 P( ~: @: @. t) q - padding: 1em;
n! r# i% W, d8 B! V! S5 a, O. ] - text-align: center;
6 V/ ], t$ i! N) ? - }0 t2 L/ ]. x& X: q1 h/ n
- .dropdown-menu-item:hover {
& p1 E/ T3 w* a: ? - background-color: #eb272d;
5 g5 m7 a+ H4 a3 H9 z X - }
复制代码
. [( f5 [* c, K. K) w2 e0 f8 h可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">7 {/ r1 f( J7 n
- <!-- Checkbox toggle -->% d8 v0 Q% r0 r5 v/ O* g
- <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">
0 v X* F+ O4 v( | y: u - <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>: R x9 g# o. ]' ?8 J" [* [
- <!-- Content to toggle from www.mfbuluo.com-->
5 z' D6 m. c% v% Q6 j9 I - <div role="toggle" class="toggle-content">" r* g' d* m; v+ O5 L y
- BA-NA-NA-NA!; K# {0 @. ^6 ~, W' _4 S' C
- </div>
( o2 ]6 s5 p: k$ u. J) [+ O- K+ a - </div>
复制代码CSS代码内容如下: - .toggle {
' N7 C: o( i* z/ y. { - margin: 0 auto;( `; X3 p4 w6 P) }5 ~
- max-width: 400px;0 T1 Q: o9 |5 d% l3 \# ~& g3 M
- }
2 z% J- v( v' b5 b - .toggle-label {
# f5 n) k3 }0 p% Q8 d- o5 c - font-size: 16px;' h0 r9 l! z, j; M2 z9 l
- background: #fff;
$ t( z8 E+ T/ ?0 n) ?+ \ - padding: 1em;/ P- ?( W% e% n/ n6 I2 d: l) S* h
- cursor: pointer;, g+ M( z- u- a$ p8 N7 P
- display: block;2 O9 k% C, M( Y; m7 w* [ _& e
- margin: 0 auto 1em;
+ ]+ F) _5 Q9 Q# b - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);: J2 L9 X% B; v
- border-radius: 4px;
( ^5 [3 W& A% z9 R: w$ I - }
* @0 Z* T& g) e/ p - .toggle-label:after {
3 y. d7 Z" M9 S2 y - color: #ED3E44;
' d9 C3 {: y+ R4 ^! f s# A - content: "+";
' E! ?3 ^5 P8 @$ `0 P9 [5 o - float: right;
2 m d4 J- W( A" y4 Q - font-weight: bold;
& J& i7 H* d+ f, M; B2 g: D2 \0 B - }$ X0 V( f0 V+ E2 m5 {
- .toggle-content {" O7 b/ c D" @# k' ^0 p
- color: #B0B3C2;6 E0 j- M- N% O" k& J
- font-family: monospace;
4 [, t: |" z+ w - font-size: 16px;3 S3 }0 S- ]+ c6 h
- margin-bottom: 1.5em;
- T7 H# {) x, v - padding: 1em;
* F/ w3 j$ b1 G5 g - }
3 Y) K2 g, n2 O' A, q4 l- G - .toggle-input {
2 {" j; a9 g$ N3 `! E* y - display: none;
: `, ]7 }* ~4 J - }8 a2 F; c) N& n2 c
- .toggle-input:not(checked) ~ .toggle-content {
! W8 G7 D/ _5 w2 V0 x/ W - display: none;
/ {# R Z7 i* u& ^- S - }, Z) q" j5 Z( H0 |
- .toggle-input:checked ~ .toggle-content {
- @( p2 r' b1 ^, c8 e - display: block;
3 E& J* T8 L% I9 k1 q - }
{+ c5 N5 R$ i, S( t7 v& d3 l - .toggle-input:checked ~ .toggle-label:after {8 V8 F* O, ~7 G. E5 d7 k" @5 O
- content: "-";8 W9 v8 [: H0 Z' d9 Q0 Z
- }
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