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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!">% p7 E+ }6 Q2 k; U" W# U3 G1 ^* K. N
- Label for your tooltip
) ?3 [1 X0 @8 \: e/ m% {7 n2 w - </span>
复制代码CSS代码: - .tooltip-toggle {9 V' ]5 x" F( f' U9 q
- cursor: pointer;
4 S! S$ x4 P: q6 X0 M/ o - position: relative;0 d6 D9 ^. U8 J2 O3 @
- }- p4 ?, i1 |% F! e7 l% o
- .tooltip-toggle svg {8 A E6 B. B- \! L9 v4 v: d8 |
- height: 18px;
4 [- ]; I. S: `- g4 q4 A - width: 18px;- w# i. r0 a* a' B
- padding-right: 0.5rem;8 Z5 N% S; z1 C( Y" m% F* N$ q7 k9 {
- }
: s( x: S* u! L% L* \; \$ { - .tooltip-toggle::before {% f3 j h5 S: _' x4 y
- position: absolute;& N1 X( M7 j u
- top: -80px; e4 o" g" g, d
- left: -80px;, {8 {4 U$ |$ Y- J }; x7 [6 m+ B" p
- background-color: #2B222A;
" D1 `) b* y; L' c - border-radius: 5px;
1 k h6 ?$ ?; }; k+ s, h7 A1 g: m - color: #fff;. \0 {+ ]4 w. v8 W
- content: attr(data-tooltip);1 K Z# Q' ?' E, A% L
- padding: 1rem;8 H0 U7 M4 X+ v
- text-transform: none;
3 |" u' s$ @/ q) O9 L; q - -webkit-transition: all 0.5s ease;
5 ]" z) ?6 x7 J1 _! y# q8 H - transition: all 0.5s ease;$ P2 T H1 \# o; [ B1 @& w& l9 E! F
- width: 160px;
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; d" m# K D4 [3 B2 q, R/ g - .tooltip-toggle::after {
; Y) H$ B6 g' K% m s - position: absolute;
" w- r) ]0 }; B- @! ^ - top: -12px;
; V9 |* Z [7 {% M- N8 Q! D3 @ - left: 9px;
1 i$ e# y# }6 c$ |7 b* F- i - border-left: 5px solid transparent;: t. w' S( Q3 C, m4 C( X
- border-right: 5px solid transparent;# q6 U6 ?% B* u9 E
- border-top: 5px solid #2B222A;6 g9 x0 T+ l* U {6 N# U: w* ~
- content: " ";
& q! e) s- K, k - font-size: 0;
: @& O( @; K% u* V - line-height: 0;
0 y2 Q' T( |, L/ N4 `- |3 l - margin-left: -5px;
# k" ~6 S+ |$ k' H0 I0 s, h% c8 ^ - width: 0;/ |- | y1 K2 K5 H9 J& I+ \) i0 s
- }
4 k0 U6 x+ b6 _) ?6 s, }- k) Z - .tooltip-toggle::before, .tooltip-toggle::after {
" v8 |4 N! L z6 X - color: #efefef;: Y5 |! t' [) S7 Y
- font-family: monospace;
2 s! L; D5 @. s, C, F" k x% A - font-size: 16px;6 T' @6 L6 w: y8 K6 C6 I4 L
- opacity: 0;
8 W! f- ~) {' m( F" R/ i& M& U - pointer-events: none;# D8 y4 z' D$ m8 Y8 g3 W! M
- text-align: center;! P; T' H( \: D- G; a' Q/ x/ _
- }
* C: n6 E5 M% S7 x9 M# T* v - .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {) l& Q4 N$ c: h9 z9 e/ g
- opacity: 1;" j4 F* c8 j1 A/ |- E0 V
- -webkit-transition: all 0.75s ease;
6 _, A" H! p1 ^7 x - transition: all 0.75s ease; G8 b0 }' x) e+ p3 d; z C+ T
- }
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">9 X3 N" W3 J* D0 x
- <ul class="nav-items">
1 s- n$ \7 J6 v3 d% R - <!-- Navigation -->, U$ s; l1 }1 c
- <li class="nav-item"><a href="#">Home</a></li>
# f, |( |7 m) p+ i, E - <li class="nav-item"><a href="#">About</a></li>
; ]/ o8 [3 T# c" E4 s4 S - <li class="nav-item"><a href="#">Contact</a></li>
/ m9 m N3 X) v% t) W - <!-- Dropdown menu -->
6 |1 ], A4 Z. e# V7 _4 y' Z - <li class="nav-item nav-item-dropdown">% [$ K8 l! A& r* T2 |
- <a class="dropdown-trigger" href="#">Settings</a>
" S9 q0 d+ K k9 I; C) x8 R) i9 I* @ - <ul class="dropdown-menu">
2 q9 O3 Y1 ^ T0 N4 z8 q# f" H - <li class="dropdown-menu-item">
/ g) J) i& C3 K5 e - <a href="#">Dropdown Item 1</a>
1 W/ ~% K8 ^5 U+ Q' O! {! k - </li>
0 l1 `; C: f( l% D6 B - <li class="dropdown-menu-item">- q- J; q! Y( P: k0 V* W
- <a href="#">Dropdown Item 2</a>
% D9 ?* Q- x" w0 K" X3 u" R - </li>
( R3 F' j% h! l2 y" h! W - <li class="dropdown-menu-item">/ x9 t4 G7 K. K
- <a href="#">Dropdown Item 3</a>
! M' i- F7 {0 O# I - </li>7 [$ Y: V: [1 R- H7 U" ?) ~
- </ul>$ ]: O8 b% n: L" q" G4 j# u
- </li>
9 C% C7 w. r2 ?5 c$ o. T - </ul>
8 s( ]: X3 {: P8 Y - </div>
复制代码对应的CSS代码如下: - .nav-container {
7 u* \/ m; ?7 l4 z - background-color: #fff;
! j0 ? R/ O" j5 Q - border-radius: 4px;
8 R- z9 x8 F$ c7 {5 J$ I- ]% V. F - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);: g0 @7 i4 N% A, c
- padding: 1em;
- S4 M# m1 l4 }* j% o1 J - border: 1px solid #eee;
% O8 m! k' h1 r1 g% O7 k - display: block;
% H& w% h7 }0 t" g- @* [8 Y# b - max-width: 400px;
! L- N9 [& m3 B2 p! s0 R - margin: 0 auto;& K* u2 O$ t8 r0 B' M3 r
- text-align: center;
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# Q3 C: y. G6 M7 {- f2 o" q - ul,
4 K# _% |/ R" J7 l" W3 ^7 U8 j - li {& X* C2 f: N5 ?, Z) O$ t
- list-style: none;+ v6 o8 x4 Y' e7 A. m3 P/ X8 F, K' y
- -webkit-padding-start: 0;
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" T+ A" Q: @/ Z6 {! @/ [ - a {
1 ^0 r$ p3 i- p: F1 |" P - text-decoration: none;& m, a! K0 n) [8 x& g* u" q4 W
- color: #ED3E44;% l* T, Q, w* m c/ K. |+ w: m
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- .nav-item {
& p+ O6 ?$ n+ p/ V2 \: D - padding: 1em;
8 ]" L+ D; R. |( R: y - display: inline;
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- .nav-item-dropdown {
9 c; s- K6 S# ~' s - position: relative;* X3 ]+ @9 l3 t9 u, D* }. g
- }4 s0 [. K7 p# ^5 `9 X
- .nav-item-dropdown:hover > .dropdown-menu {/ J7 i" I, u: [9 ^
- display: block;
+ [# `) v' A$ \( B* y2 P - opacity: 1;( I/ f7 V1 \1 W' u- J, m
- }
/ A: R2 _! j6 f* G) D2 Y - .dropdown-trigger {
" y& q/ w$ j7 L& S5 t3 S( w - position: relative;
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- .dropdown-trigger:focus + .dropdown-menu {4 S0 k0 W, V$ ~% B! Z$ w/ f9 Y3 K
- display: block;# R( M# O* t t* i# l) P* A6 J& _
- opacity: 1;5 Y( Q3 n4 [5 m; k5 c N6 M7 W
- }
5 z5 A. E- P( N: E - .dropdown-trigger::after {0 J+ W/ L. ]3 e1 y
- content: "›";! e: F0 ^, a; Q9 ?. X
- position: absolute;
: U/ h3 U/ w# s1 F7 I2 v l - color: #ED3E44;1 g4 f5 M+ r+ y- A8 _" `
- font-size: 24px;! @3 D+ e% M7 q3 c% u" y
- font-weight: bold;
2 h' i; _7 |, [- E# ]: X - -webkit-transform: rotate(90deg);
; [5 \2 R6 }' R' M+ J - transform: rotate(90deg);
2 M3 H) ^7 [2 H+ g, E - top: -5px;; u' M% S; Z5 \; l/ |: _9 `
- right: -15px;
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- .dropdown-menu {
. c5 u4 S2 e$ b `! O - background-color: #ED3E44;
* @: d$ Z/ G* `4 R* a1 K5 t/ H - display: inline-block;, `( r/ N6 X" ~# X# y
- text-align: right;% u7 V) u3 o! t6 C9 N- \6 b
- position: absolute;
9 _% W: b- ~4 s& N' U* {2 u( t - top: 2.5rem;2 r" {6 ?7 ^+ K4 y6 @: o
- right: -10px;
d$ Y& B) ?+ ^' U - display: none;
( X- y+ g3 ]/ _1 i5 ~& I - opacity: 0;2 O5 Z4 w" l+ s' d. O, h
- -webkit-transition: opacity 0.5s ease;
/ S( e* Y) a" ~$ C4 j- j - transition: opacity 0.5s ease;
- s- J, O5 r. G+ j: a! {2 q - width: 160px;
; B/ {" s6 _" G- O - }, \3 e% o5 m- G9 A% v; a
- .dropdown-menu a {7 {3 R' s! t5 W4 H# V# A8 ~' b
- color: #fff;
3 \& d' E" R: f: i! Q0 B+ m - }0 e- V5 {8 j/ ]- }' y3 G
- .dropdown-menu-item {8 x8 W) g+ T& k0 @+ P
- cursor: pointer;% S) U; h, {9 Y! }6 U
- padding: 1em;1 B0 V$ M) ?- j
- text-align: center;
7 t7 ]( E1 @; X8 u - }
) }* G4 N% Q3 q/ R - .dropdown-menu-item:hover {" S( c- C8 `# L; \, e
- background-color: #eb272d;: K# S$ @ n4 o4 W# B; u' q
- }
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2 D* ^0 Y5 |# p; q6 O可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">
, V/ t7 Q/ x0 }& K; ~3 v5 l - <!-- Checkbox toggle -->
: G4 x" j) |, G - <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input"># E9 P, o N3 ]7 e8 o$ z
- <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>
- A3 e+ k. l( I. } - <!-- Content to toggle from www.mfbuluo.com-->
) w. V, a4 t* ` - <div role="toggle" class="toggle-content">
$ S" u; j' Z3 m3 G" d - BA-NA-NA-NA!
2 m% C4 D4 Z8 H) [: x* E - </div>
# u: s! w* j9 K/ ?4 t0 _" n% S - </div>
复制代码CSS代码内容如下: - .toggle {* k9 B/ T# S) r! z7 U2 b
- margin: 0 auto;* r6 C7 t! w. a4 c5 v
- max-width: 400px;
& i6 k# ~6 n2 h5 T G - }" k* k+ g6 v' C* @9 R1 [ ~9 U" ^
- .toggle-label {0 D# G( e5 ~6 t1 _
- font-size: 16px;
+ ^5 G8 Z5 w1 j% l( p7 a - background: #fff;/ f8 {! H: N, G9 D' Z% O
- padding: 1em;
- B/ _" V: D8 n% K2 U/ ^ - cursor: pointer;
0 ? K$ y9 j* y* {% C9 V - display: block;
2 j( F% D2 J. `; b: Q* o - margin: 0 auto 1em;3 _# T% v" Q$ ]# ^ ]
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);$ O. r4 F" j5 w/ a; B1 }
- border-radius: 4px;% y3 j( f' L {9 p
- }
" T6 Q2 C1 F: P" q - .toggle-label:after {7 z* B& a e# Q3 b1 k) I5 x
- color: #ED3E44;, U# y( Q+ J/ |7 N3 e( w, _8 ]
- content: "+";! v7 ~9 p& Y( _
- float: right;
' P7 b. ~2 `) q t2 z* r - font-weight: bold;( }) X: k# ~! A8 l( T2 r2 A
- } z& _1 _9 C9 M
- .toggle-content {% _0 G+ t! q( Y3 ]8 d5 P+ _; E8 P/ \0 l
- color: #B0B3C2;
0 B! A/ [# G$ A0 b - font-family: monospace;
- T ?* Z/ O: y - font-size: 16px;
2 F3 G0 p- T0 }& h - margin-bottom: 1.5em;+ T8 x/ W0 j2 q6 n* X! U) `- |
- padding: 1em;
3 b6 i* `: y( K, ?6 T - }
8 Y- u' B, \9 ~3 b; a1 ?! R - .toggle-input {
+ V0 M R; C! b( X% q% \ - display: none;4 ] j6 @* y& }1 ]. J; m
- }
$ o! z* X( d$ `, `' _ - .toggle-input:not(checked) ~ .toggle-content {6 Y e) [7 ?! j' x0 o' T" }( \6 }; t
- display: none;
# E6 K& Z) s; c' u/ u; h - }
, R* h- f2 ?) a5 \0 j, f" V$ j - .toggle-input:checked ~ .toggle-content {7 _# i; L0 Y: r! ]
- display: block;" I3 a2 N3 @5 W) p; K0 H; } h
- }
?7 ~( E7 V+ `- Y9 j5 u; c( Z _: |0 E - .toggle-input:checked ~ .toggle-label:after {
# E% Q; I* }2 a! Q" m2 ]+ t - content: "-";
& x, Q/ t. C* @ - }
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