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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!">. l4 q; W! W V2 t o
- Label for your tooltip
' n6 v5 A0 R+ ?' h% e1 K - </span>
复制代码CSS代码: - .tooltip-toggle {( u9 t& N$ Y1 u( D( I
- cursor: pointer;
: _: N; I- f9 K: ?% D - position: relative;' U1 \. V! _3 ?/ J, Q7 I+ F
- }( P' X3 J/ ^' w5 `) N4 R% |
- .tooltip-toggle svg {
2 ^& u+ {7 Q/ g' D9 H - height: 18px;
3 C8 K- ?8 ]4 Z8 ^) R - width: 18px;
2 Z2 Z, z* @, [0 H- j% y( O2 s( i" j - padding-right: 0.5rem;; q8 i9 @" K- j9 r7 W/ R" M/ I: y
- }
2 Z1 J! _2 ~3 ]. k4 B6 A - .tooltip-toggle::before {. B$ H7 }2 b2 w, B5 \! X" n
- position: absolute;
6 L, U. b1 Z$ ?( A% `' Y: S( s2 U - top: -80px;
. a( | n; P9 [2 O5 N/ s6 d% r/ C - left: -80px;8 r" A7 X3 b4 x2 I1 b1 O
- background-color: #2B222A; H1 n# |* f8 o' m' q- z( l
- border-radius: 5px;
& I2 L* ^) V% W - color: #fff;3 O- J/ t% T1 y/ S9 ^
- content: attr(data-tooltip);
3 g3 b1 S% G& _* ?6 I" a - padding: 1rem;
) S" d, i/ v4 G4 H0 k4 X% }" T+ b - text-transform: none;- z5 t) `; O: P% R
- -webkit-transition: all 0.5s ease;; S: D- E9 o4 _/ d
- transition: all 0.5s ease;
, L G( G. l# e9 D k - width: 160px;
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: M6 O4 X4 E! U - .tooltip-toggle::after {( |; J- _5 {& D* d+ \# f
- position: absolute;
) l: j5 c$ r7 E9 } - top: -12px;& o; M1 U" @9 u T9 v' Y
- left: 9px;0 S% V6 A; M. D3 J1 H6 }6 @
- border-left: 5px solid transparent; q- v Y' G5 w3 W
- border-right: 5px solid transparent;
9 C) N& n3 X) K) H | - border-top: 5px solid #2B222A;& K# O6 j( E: N) b. }4 C
- content: " ";
+ j- N4 N* ? Y7 M; o4 T - font-size: 0;
* H! v8 n8 I6 T( S - line-height: 0;
# K) x: O6 e6 ?) L$ X - margin-left: -5px;
; p; e: y+ |; h4 U1 _- R8 A( P/ z! Y - width: 0;* i0 P9 v+ O$ A9 J) N6 W+ w
- }; N9 ]$ ?, N: F0 r7 W( } e: k
- .tooltip-toggle::before, .tooltip-toggle::after {- b6 x5 Z! w5 j: h5 G, L
- color: #efefef;. @4 y' d# ^& g8 ~; A
- font-family: monospace;
# ]% y1 }3 l' g! S5 L* v; o) R - font-size: 16px;% W8 X# J5 l( ?5 D: \
- opacity: 0;
5 ]4 U a' o; l - pointer-events: none;
5 l6 {7 B) I! }: Y E - text-align: center;5 T+ S" c+ h# ~# y
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- .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {
! X, {- `, X3 a3 r& _; d - opacity: 1;! Q8 G/ m! c; ~2 t
- -webkit-transition: all 0.75s ease;
( q* T# L' }- \- `+ v - transition: all 0.75s ease;: _1 r" t, m# a& Y
- }
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 p+ M0 ?" n5 [
- <ul class="nav-items">; Z) r" n7 g4 v6 |0 @- C
- <!-- Navigation -->
' b* [7 N( S; N P - <li class="nav-item"><a href="#">Home</a></li>
0 I( l: i# L& `5 E! M# B$ g5 y' X9 h - <li class="nav-item"><a href="#">About</a></li>
* r, i2 a$ X0 w0 W1 U& A - <li class="nav-item"><a href="#">Contact</a></li>
8 r) f1 s; j5 y+ T4 `8 x - <!-- Dropdown menu -->: G6 p5 F6 c8 @' \9 N5 ~
- <li class="nav-item nav-item-dropdown">+ r/ x/ _7 i8 i) \! d* X
- <a class="dropdown-trigger" href="#">Settings</a>
( w1 h1 \, M2 O3 d: ^( R! t - <ul class="dropdown-menu">
5 I0 k9 {5 R4 s& ^+ b" { - <li class="dropdown-menu-item">. \, E. |- l- z6 e6 x
- <a href="#">Dropdown Item 1</a>
: _, Q8 o# R2 A' x: Z& L3 f$ v" G; l& Q - </li>" ?8 g7 U% q! J: t! a
- <li class="dropdown-menu-item">
, E, c! \7 ]7 b* I - <a href="#">Dropdown Item 2</a>
+ Q( V f8 }: V( M; ^ - </li>
/ a, H6 R, x! k5 _ - <li class="dropdown-menu-item">
% w% L! x- S. a, X - <a href="#">Dropdown Item 3</a>
0 ` V1 S5 L( e9 ~ - </li>% f3 o$ }, u9 L; O
- </ul>
6 S) |/ n2 Q8 K - </li>
$ Y, ]1 |6 d! k& k- V1 k! L' y7 n; S - </ul>9 R t& Y" j$ U& I: \
- </div>
复制代码对应的CSS代码如下: - .nav-container {4 r% t' o% X8 Y. J7 {
- background-color: #fff;) R9 G* h. F7 |
- border-radius: 4px;9 e- c, ?/ H6 [8 ^6 j
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);( D7 F& `, T; D; S8 ] }1 E
- padding: 1em;
6 X0 A! g$ j b% j - border: 1px solid #eee;6 \3 s( o; p$ C m, C$ l4 B
- display: block;
$ D/ b6 b$ n4 r0 w7 r. m- ? - max-width: 400px;
6 H3 i' n" j& M - margin: 0 auto;
4 E% ^$ a$ a: u) i* e' e( v* w- d - text-align: center;
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- li {
3 Y% y6 r5 x) L4 j. E) }' H - list-style: none;% V( ^. n- |/ H9 B+ S
- -webkit-padding-start: 0;
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- a {
4 _8 }* M7 y2 N) D - text-decoration: none;& h. [. t& Q$ u2 u4 r( r
- color: #ED3E44;5 ~4 ~ H6 T0 u' K
- }+ G6 |7 `4 R2 C/ L0 }4 L. s" i
- .nav-item {' L5 v9 L2 X% }# d0 C% n( g
- padding: 1em;
}% Q; h( q2 p5 |7 o- m - display: inline;
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- .nav-item-dropdown {- I! R/ R9 y0 Y# d% I. E
- position: relative;
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- .nav-item-dropdown:hover > .dropdown-menu {3 i2 u5 E# W( X! ?* `0 u6 z
- display: block;
3 e N. w6 _2 D% h9 x) p; S - opacity: 1;( B) A7 j7 E8 z# |% L+ X t) N; \8 ^
- }2 [; o9 d: a) D, V$ o& |
- .dropdown-trigger {
C, @: {3 @4 P - position: relative;
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; B8 W5 W- j+ A - .dropdown-trigger:focus + .dropdown-menu {
+ |$ l5 d* F& Q$ X3 P( T6 ^7 ]9 G - display: block;- J9 a) [' x& }, {- o
- opacity: 1;9 Y- y$ z; J( n
- }
" a. t; w- Q7 ~$ T& f* J - .dropdown-trigger::after {
) j/ C4 q- J# k; C - content: "›";* \, E, e- C0 }# U0 n @, }, Y- f$ V
- position: absolute;
- n0 B8 x, B- C - color: #ED3E44;( t" ~8 V1 P, B5 s' Q
- font-size: 24px; A5 M: \: w$ y# q. A5 b
- font-weight: bold;9 \ A4 m4 @3 W0 w" g5 z5 e- Q
- -webkit-transform: rotate(90deg);
8 [7 Y& {6 Q/ R. y g+ Z% v, k) j - transform: rotate(90deg);
4 x0 f/ R: J6 H g - top: -5px;
$ Y( t5 A' L2 `* r! Y4 g1 A5 K - right: -15px;
4 Z' G3 |- C7 F: Y. q K. c - }0 F2 W* J# B: M; T. s1 }2 {
- .dropdown-menu {# o6 T5 ~9 h- \! {) D
- background-color: #ED3E44;% A) E! p& ^* B% O1 ]" x& d
- display: inline-block;6 e% A) U! \+ j$ y
- text-align: right;% {% l+ H) Q# l$ k
- position: absolute;
2 t, D' a' L4 G4 N0 _ - top: 2.5rem;$ _* n2 C" R1 ^6 D( c. z
- right: -10px;8 u9 p0 G/ T3 b7 x2 |8 w6 E9 k
- display: none;5 i: b! d7 H% E, m, G W
- opacity: 0;
! S6 f) M7 H; Z. g+ g - -webkit-transition: opacity 0.5s ease;/ F4 a2 ?" C' F8 r( S
- transition: opacity 0.5s ease;
/ a$ F; W, x: J$ W: G% ^ - width: 160px; L8 N8 b. y% b3 x
- }1 x' r1 d& J# i, N" h3 m4 D
- .dropdown-menu a {- s+ P, l% Z% x. Z) J0 X
- color: #fff;
: Z# r- a( O/ ?+ {1 L - }
/ |; A. j/ i/ g* u( u1 a) h" y4 W' o - .dropdown-menu-item {) i! q) H9 `. _* F
- cursor: pointer;
$ M5 g* ^+ M; J3 s/ ^ - padding: 1em;
" C- Y5 q8 r. |7 s( y - text-align: center;9 W4 V/ K( H3 ~3 D$ y
- }1 Y2 @- `# b: k }5 w3 A
- .dropdown-menu-item:hover {' a) A# R% r7 `1 d: N8 F
- background-color: #eb272d;1 Q8 P9 C# C: z- h% [ q
- }
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: X6 ~" z" Y6 y& I可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">; P) {) m7 u. ?( [$ V: r) v
- <!-- Checkbox toggle -->1 K7 s" F2 Y; F9 Y3 t! {# n2 m7 ~
- <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">
4 u1 q! X/ C# v4 u$ e" _ - <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>9 ~3 k: n' D, \4 n3 }! D) v
- <!-- Content to toggle from www.mfbuluo.com--># s; f" u P4 X
- <div role="toggle" class="toggle-content">2 z$ h5 b. X! X: z
- BA-NA-NA-NA!
. S4 a# F, E8 X8 h# f, A - </div>
1 q# C( r! }$ T* N - </div>
复制代码CSS代码内容如下: - .toggle {6 ]$ `( e% A' {# `6 O+ _& R, v
- margin: 0 auto;+ n- t0 _5 A! ^
- max-width: 400px;
" s' t" b2 r' f+ m% }) B - }
D+ d: K0 J- g* {$ w9 F - .toggle-label {: t8 c7 q2 M: H% S, }; d+ ^
- font-size: 16px;3 A) i0 L: R. `" T7 ?
- background: #fff;
3 {5 q, b, I4 b7 R" U; t! r) r - padding: 1em;
; @2 \$ J& ]9 }' m# ]: L' Q - cursor: pointer;
) C! I8 f5 d* x( {( S - display: block;
* y: j! W: g6 r |& w+ g7 e& B; d9 T - margin: 0 auto 1em;! S, ~0 t6 L* S; r4 I- {5 G
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
x/ M% j. l O - border-radius: 4px;; j1 l1 X3 ?: r) L" w1 I$ L* o. ~, A
- }
2 s% u: X7 L- u+ W* M - .toggle-label:after {5 C8 |: n' w" J1 N7 L9 [6 {
- color: #ED3E44;
' T) t( c% `& }: i; p4 s - content: "+"; \0 j" z" G9 B9 K7 Y" S
- float: right;1 @# X; ]3 {6 p) L; f3 N% B. F- w
- font-weight: bold;
: t8 u( r- U% y3 z0 }7 [/ m( Z - }# i' _, ?) w; Z* w
- .toggle-content {) D+ }! c' p4 G' T7 P
- color: #B0B3C2;/ }3 }$ g# ?* k' `7 f
- font-family: monospace;7 s$ D* z0 |3 O, a+ x/ ^8 Y, ~
- font-size: 16px;$ X% n4 q7 v9 J
- margin-bottom: 1.5em;' q2 g% B# F5 C, ~7 k
- padding: 1em;- _ @, L, C* \( _. x: s" r8 U
- }: x. U4 x# d P k, t
- .toggle-input {
& m' X6 H8 p1 {* K5 b - display: none;) z, z: ~7 d. L7 y5 ^
- }
6 U7 l; `$ m: t! S! J3 M* r& P - .toggle-input:not(checked) ~ .toggle-content {' j# c& ~+ s2 A* t
- display: none;
- z- @6 I, [' [- N! t* V7 P. `' ] - }
- F& F, b) Z3 A8 K; M - .toggle-input:checked ~ .toggle-content {% d7 u( ^, H6 i3 Y& E
- display: block;
& Y; Q5 E, U3 f. N$ A0 B: B/ _ - }
8 z* k/ B. W: W4 D9 K1 ` - .toggle-input:checked ~ .toggle-label:after {
- V8 k1 }6 g* o' w* a9 h0 D7 { - content: "-";3 j" y! a" P. v
- }
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