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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!">9 s% P! @+ A! J9 _3 f) G$ m
- Label for your tooltip8 U$ E; i& V& n5 t3 k7 }
- </span>
复制代码CSS代码: - .tooltip-toggle {0 B( n0 u( c2 H7 F! `4 a# G+ L
- cursor: pointer;7 T: t' O. a+ ^) x! Z9 `* ^/ g! c
- position: relative;$ B; g1 y, T: [) {+ N' Q
- }6 V# W2 o% z5 P
- .tooltip-toggle svg {- G, ?. V; m6 y3 r* c
- height: 18px;
5 P$ {+ Z! Q3 c* h1 w8 Z/ R5 A - width: 18px;
6 U3 _# z- ] e9 f- Y - padding-right: 0.5rem;) B% \+ z8 e. @! _
- }
+ b7 f2 m1 T5 G1 z - .tooltip-toggle::before {
7 j* h- G3 g7 K7 G" E - position: absolute;
9 `( R- W0 a g8 K - top: -80px;
3 a& Y( ^5 y8 j/ H6 e3 q c - left: -80px;* N& M+ `6 L" X' p" a3 J
- background-color: #2B222A;
8 C7 g5 C7 U* c5 o H0 I - border-radius: 5px;3 J: N+ B1 g& d4 n4 v$ y! M5 }
- color: #fff;, i5 W% t* n! k) n; B p* A' M
- content: attr(data-tooltip);
- F0 f: p: Z5 S8 y; F7 P - padding: 1rem;
r" {$ Y4 {; E" V - text-transform: none;
- e) S: A( t( X - -webkit-transition: all 0.5s ease;& R) E# c! ` S4 s
- transition: all 0.5s ease;: K# M4 O K3 P( A2 ^8 G
- width: 160px;
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- T4 @4 |) r9 j; f- P - .tooltip-toggle::after {" ^% r) I2 |- k* h; Y6 s
- position: absolute;
* j* o4 l3 ~/ T7 m( b7 z3 E8 X - top: -12px;! f1 O9 Z) ]4 s9 O+ X/ j( T
- left: 9px;9 r7 ~& F7 K& x) K; l6 h
- border-left: 5px solid transparent;. W) b$ T6 w9 J/ {
- border-right: 5px solid transparent;
5 _2 g9 Q$ Y2 P0 ~- D6 L. L5 c - border-top: 5px solid #2B222A;) d- O$ F0 u7 H& A$ l! C
- content: " ";2 F8 i1 g$ Y" H6 ]
- font-size: 0;
8 e2 J4 A# w6 U# R - line-height: 0;7 @: j5 P, g+ n/ E" `1 F. m# F
- margin-left: -5px;% Z/ y1 g/ y; c6 m8 a- w" Y
- width: 0;
- s" y& V' O2 F/ `% B# ~ - }( A/ l: ?& n& T9 n
- .tooltip-toggle::before, .tooltip-toggle::after {4 H4 h- I: R/ }5 r$ y c
- color: #efefef;$ J, d2 w2 B4 R
- font-family: monospace;$ a+ u+ G& J) V8 m* }- b
- font-size: 16px;
& U5 l7 F/ T N a E - opacity: 0;+ a4 a2 v0 t+ X1 x2 j
- pointer-events: none;. t/ W6 ^ o" i3 o" X) W
- text-align: center;3 S& h8 `: N0 E, K8 V5 ]7 K) F" c
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- .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {+ t! t* W1 t1 O; k5 u
- opacity: 1;
0 a$ _$ [ b; w: K - -webkit-transition: all 0.75s ease;. F. N4 A8 D/ |. S; c) M+ S
- transition: all 0.75s ease;" y9 \, a. d6 R; ~/ \
- }
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">
" ^3 g& b, r$ p0 o - <ul class="nav-items">
1 N- ]" _5 w% z9 v" v* v9 P - <!-- Navigation -->
4 u1 _1 j6 x7 }& z0 k - <li class="nav-item"><a href="#">Home</a></li>
1 i0 z- L2 R6 H# P$ Y) m d - <li class="nav-item"><a href="#">About</a></li>
. D4 l0 @! v$ _/ ` - <li class="nav-item"><a href="#">Contact</a></li>2 y' f4 ]7 A! A! O% w
- <!-- Dropdown menu --> }+ ]( B0 P$ ^4 Q
- <li class="nav-item nav-item-dropdown">, W+ C. m; _ x) u& C
- <a class="dropdown-trigger" href="#">Settings</a>
" U* k4 N6 Y, _. n1 i& }1 U! ] - <ul class="dropdown-menu">
2 {% E2 B, h5 R3 L) F - <li class="dropdown-menu-item">9 Q U! `9 ^0 W( d# N/ r
- <a href="#">Dropdown Item 1</a># o; s- c# y3 i& M3 b
- </li>' `, R9 @9 |' N5 [: U4 G& U
- <li class="dropdown-menu-item">
& O) t9 N! N% t+ H4 p; b - <a href="#">Dropdown Item 2</a>
4 j4 K9 A4 F6 Y$ G, _& j( Q/ Q - </li>
0 P/ P; w% w4 F3 b - <li class="dropdown-menu-item">) m9 b6 C* t- [8 m1 i0 F, D# N
- <a href="#">Dropdown Item 3</a>
1 f T' V2 ` a% M8 T- [& b - </li>
6 j( u# V4 Z( Z( w. @9 M' v - </ul>
! N% B. s+ f: K% G - </li>
" Q4 Z& `' \- X3 l8 n5 T - </ul>
/ Z; j3 N% G8 M' a( j - </div>
复制代码对应的CSS代码如下: - .nav-container {
6 N- y* n9 c# V - background-color: #fff;
/ j8 z* n: c$ v& P, Y# J0 f8 h0 F - border-radius: 4px;
) ?$ I# @2 _1 ~; ^' O- E - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
* a5 r/ [& K3 `$ h/ Y: H) ~ - padding: 1em;. |* v0 O' |) }7 q4 Q
- border: 1px solid #eee;& i+ o0 p/ B* X, e' D
- display: block;
k+ |1 P! U! Y/ D - max-width: 400px;
" |6 M7 K0 R! Y/ m5 t - margin: 0 auto;! i1 N. A2 ]1 M, _* u( O6 O
- text-align: center;0 d. K6 o; I& r) _! D
- }
- q+ o0 b2 h& Q) l - ul,
- E* P& x" z7 p$ n6 D - li {
' X# H# B2 o) A: p - list-style: none;
- K" k4 B, P9 t, j [; c - -webkit-padding-start: 0;
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- a {7 i7 ^3 z1 f# v5 A, c& t
- text-decoration: none;; [+ l2 W) j$ y* ~" D: u8 w
- color: #ED3E44;
: ~+ t5 i4 x3 c% X2 y - }
8 a4 ^: M6 j* r - .nav-item {) t# M- ~0 y' V0 v4 @) L# n
- padding: 1em;
. I& c$ n" C$ Z3 [ - display: inline;
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- .nav-item-dropdown {
/ Z! \4 M: m0 x' C - position: relative;- E: M; }! E5 c; q1 d! z+ U
- }
1 A( G2 {9 p, R - .nav-item-dropdown:hover > .dropdown-menu {
4 a$ J* C. v* z - display: block;( `1 G$ j! m) g- Z0 ^) {6 T L
- opacity: 1;' |& g6 }: y& b+ Q) l' e* w
- }
k3 w& T r, Y" e8 L - .dropdown-trigger {
6 h- \* b5 a2 s0 l - position: relative;" M9 M5 C0 ^, x1 p
- }
* a# ~3 a. t( [1 G/ {9 Q& @4 n2 e9 n - .dropdown-trigger:focus + .dropdown-menu {8 z9 Y% C5 n( r. p$ a
- display: block;
) U' p+ s! l$ S - opacity: 1;9 E3 M6 O6 E2 Q
- }
! U" \2 c+ h, p; f8 c$ U, V" B - .dropdown-trigger::after {
! @9 z( A8 A% U - content: "›";& F& H. K3 g* }2 B: G- p+ k
- position: absolute;5 t' b" X5 r% M9 U
- color: #ED3E44;
' l' M' ~7 [) }, G$ k - font-size: 24px;
: X+ H4 W) ^4 ^: ]8 d3 d' X. } - font-weight: bold;. {8 M8 h- G; ?, |. K! |& }) ?& l
- -webkit-transform: rotate(90deg);
9 q7 z3 M; s5 E- k - transform: rotate(90deg);2 e7 M: `3 ^% A. c1 P! t
- top: -5px;4 e# f& V. V s, ~8 k
- right: -15px;2 d/ K$ ~& f6 O" u0 `- w) p' F9 i
- }
S( M. P" g4 J2 n - .dropdown-menu {
( |3 t. ^. U k; x. R - background-color: #ED3E44;8 p( T4 E' e0 B1 Z: E" D
- display: inline-block;
% A+ t# k6 c( z! g$ H+ W- P5 R - text-align: right;
, z" U( |, c! ^% P. B, E# H - position: absolute;; Q( @ H3 a' O: P( ?8 F
- top: 2.5rem;
( r- p J" F+ Y) x+ _5 ~9 j. p - right: -10px;
1 K1 Q3 m+ b/ M# |) g) W& S - display: none;8 F, U9 N8 K( n' |3 h9 T7 L
- opacity: 0;6 w* J( a( K0 C/ }! M& x% W1 W
- -webkit-transition: opacity 0.5s ease;4 ^$ C1 @( m+ F8 ?+ Y& r C
- transition: opacity 0.5s ease;3 Z3 a- i) [$ g* I
- width: 160px;
6 i; k6 k# M: ]4 b$ F' d% L - }
0 k% ~7 T. b" E8 M4 |# [( }: D - .dropdown-menu a {& p& U7 k1 |2 \4 H( @
- color: #fff;
1 E- q) H# m4 O$ U - }8 I K& R" A& A
- .dropdown-menu-item {6 @ V5 l/ a& j: ?/ u
- cursor: pointer;; R2 e. N' P0 U8 K6 P2 z* C
- padding: 1em;
5 X/ n W$ c9 k8 K5 P- B5 [ T. R - text-align: center;) V' c3 e: \ \' w& G
- }
% |0 a! g, D2 Z( k' i) k' Q! i - .dropdown-menu-item:hover {) V7 @+ w$ Q' z( V8 {
- background-color: #eb272d;
7 U/ ?! p2 I, i$ G7 k" a6 y0 o! p - }
复制代码 ' l" w* p) |, R c/ c0 l Q
可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">
) W! S! e8 I, ?5 ?6 d3 A) q% c - <!-- Checkbox toggle -->
5 @& q2 p% P: S9 o2 W - <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">9 h9 J5 D. j! Y8 n
- <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>
- C" u' a2 E5 C - <!-- Content to toggle from www.mfbuluo.com-->/ H+ V: B) J! Q$ `5 |/ ?, i
- <div role="toggle" class="toggle-content">2 M) t3 a& B. B- L/ n) d
- BA-NA-NA-NA!! n) l8 B4 ~ z9 P* |" W$ I
- </div>
- y: m+ z' q3 S h# O - </div>
复制代码CSS代码内容如下: - .toggle {
% w# r, _" x0 ?4 S' J. o. ? - margin: 0 auto;
9 z% f$ F2 n# M4 h9 q# k! g - max-width: 400px;
2 j- f& Y% v! k4 y( g- ]6 h3 w - }' m' b- t+ ?, [+ r" ^: E% ?+ a
- .toggle-label {; G1 x t, n6 o- Y
- font-size: 16px;. {, ]* T, g: w- o$ f
- background: #fff;
* m7 h' D9 o% T7 t! | - padding: 1em;' p% `# h( A% R8 m
- cursor: pointer;
' _/ j) T: y2 L+ C+ P - display: block;
& S% p( \! P0 W$ t/ O' P - margin: 0 auto 1em;" g9 Q5 Y8 B r# B. H8 T2 S
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
* C# p6 Z( ], R' \: T - border-radius: 4px; y' e4 N' _0 e- P! T4 p* s" f2 _
- }
, C( @ i7 j* p3 P, Z9 C - .toggle-label:after {
, }+ [" U7 M# V+ I8 e - color: #ED3E44;
' p# s8 m$ {4 n4 L - content: "+";
( l8 I& _: s6 A2 `$ |3 N - float: right;7 S0 q6 y3 _! _+ F. u: \/ m
- font-weight: bold;
/ S2 f$ p4 g3 f3 M8 Z, w. d - }
, |9 D' z0 Y) W - .toggle-content {
0 N% t) j( Q0 }; P. D! B v1 ~ - color: #B0B3C2;
# s% Y' V. }- A: X* B8 T - font-family: monospace;
! {8 `- V. f0 P( n4 M6 V0 D - font-size: 16px;
: n( f# ? w5 Q - margin-bottom: 1.5em;7 A$ ^6 O8 o* D. O, Z
- padding: 1em;' ^. G3 y, M! e" t0 l6 C
- }
" U) f. A/ {& C - .toggle-input {4 p0 j8 w& S0 s* B; V% G7 }
- display: none; W' m+ ?: Y3 f
- }2 t4 h! J' t/ B
- .toggle-input:not(checked) ~ .toggle-content {
' e, z& @; h% u - display: none;8 x p; ]. V" {* R4 ~$ A' g5 V
- }
$ G4 I7 L, I0 I& E# }& G9 s! R - .toggle-input:checked ~ .toggle-content {
& m1 H/ ?% T6 d9 L1 B+ V - display: block;- }- q0 Q' D3 y- u" `
- }
& @8 V# ^" o. e$ u6 p - .toggle-input:checked ~ .toggle-label:after {
* A2 O) e, y o- E( P5 @ - content: "-";
3 P$ Z$ a; W2 x7 y - }
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