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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!">
0 g$ d/ O) |" M* A - Label for your tooltip
5 p# u' D! `& g - </span>
复制代码CSS代码: - .tooltip-toggle {
/ B- v) v& G) `$ M ?; l) u% ]; Q - cursor: pointer; A1 o( l# y9 {) a, ?
- position: relative;
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- .tooltip-toggle svg {
+ c! h$ D' N. M. Q* e/ g - height: 18px;$ D" G; j2 M* q) O. k# m
- width: 18px;
# z/ n1 b7 T3 W8 V$ Y - padding-right: 0.5rem; m+ y' `" B$ G4 K5 \* t9 G; m
- }
7 f" k5 E, Q9 {/ f" y' X7 w% K, s - .tooltip-toggle::before {* B) @) g0 e& x) K C6 H4 U" B. r
- position: absolute;( B( H( u5 r3 z4 v2 A O
- top: -80px;0 N; V% N2 k7 e% \% H+ a
- left: -80px;
: D9 e; ~6 D) b1 [- u - background-color: #2B222A;
( q. H1 ~6 R$ L' s - border-radius: 5px;
+ `) n$ t9 Y/ w$ \$ l4 D5 g1 j - color: #fff;; t! \6 V5 ]. I. `9 Q& d: U% d
- content: attr(data-tooltip);% A& }/ R; Y9 u2 m
- padding: 1rem;+ f) x3 H$ o" p: s5 {# q- m5 C
- text-transform: none;
0 G' j( z1 W8 U3 d: w - -webkit-transition: all 0.5s ease;
" g+ X+ H$ b% g5 ?0 k - transition: all 0.5s ease;) G' u w. o+ v2 ^
- width: 160px;
- D: ?! k3 R3 ^ - }( ]+ T$ |3 I2 R; [2 [4 T
- .tooltip-toggle::after {- f+ k6 O* ~" [6 e
- position: absolute;
% s# H0 B! r" ?# h- |6 b# Q - top: -12px;- c7 h6 q5 `9 x7 K& c0 t8 m
- left: 9px; C E3 k& f" H2 V" X2 f
- border-left: 5px solid transparent;
) h4 V6 j, V( M, L - border-right: 5px solid transparent;5 s8 d$ ^! j6 n% A* {* ^
- border-top: 5px solid #2B222A;* |) Z$ ~# C0 Y; b
- content: " ";+ r- j9 U1 @+ i0 }+ j$ G! s4 |
- font-size: 0;; }: X' {! y# p- V
- line-height: 0;
' m8 j. z2 d- a( s - margin-left: -5px;
5 q. K$ I7 B8 A% d- m0 a - width: 0;6 O; `5 b2 G$ `% ^* \' g
- }
$ P: r- N8 O& b - .tooltip-toggle::before, .tooltip-toggle::after {9 D4 i" k% d& k4 D$ N
- color: #efefef;
9 z- }( d3 l2 f3 j - font-family: monospace;
6 o# k8 x, x$ F5 v" m - font-size: 16px;' z; @9 W u( q9 Y+ R8 ~7 w% P: C
- opacity: 0;7 k, I8 A2 H6 i0 B& X8 s
- pointer-events: none;
% Q; J; g0 B( V2 I, L6 l D - text-align: center;
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% ]8 U7 B" z1 l) l0 ` - .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {# {/ n3 n P- @! m
- opacity: 1;2 m) z7 h4 D; H! M/ z
- -webkit-transition: all 0.75s ease;
+ ?, S+ v' E1 b) g& C, c - transition: all 0.75s ease;7 o$ F# K. w2 a) Q& x
- }
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 L) c+ W4 v' b0 F' J" Y6 W
- <ul class="nav-items">% s: M& e! J$ a! ]$ v
- <!-- Navigation -->
/ I) Y6 t- ]& v' M7 H$ y- t - <li class="nav-item"><a href="#">Home</a></li>' C v1 v& m4 f9 W/ N/ V; L
- <li class="nav-item"><a href="#">About</a></li>
- K" j. Z: C5 U: b - <li class="nav-item"><a href="#">Contact</a></li>
* X, q' V, n- g( J - <!-- Dropdown menu -->
0 Z: h& ~+ ?+ g4 k2 a - <li class="nav-item nav-item-dropdown">
+ z( Q9 |$ o5 K - <a class="dropdown-trigger" href="#">Settings</a>
) K. M+ M- M$ C& q) Y2 `, X - <ul class="dropdown-menu">; r" g, Y9 s( k7 V) B' r
- <li class="dropdown-menu-item">
& d% B* a+ O5 [! V - <a href="#">Dropdown Item 1</a>9 M' j2 F9 V0 n9 E$ [% O w, o
- </li>/ Q# J) \% E6 E6 U1 X2 {. w( M8 l
- <li class="dropdown-menu-item">
) k, ~$ T' \' i9 _5 J. _+ ` - <a href="#">Dropdown Item 2</a>
9 B* {( a- j3 e' T - </li>6 {$ G- V9 r0 C# c# [
- <li class="dropdown-menu-item">
& W% k7 ` S: G - <a href="#">Dropdown Item 3</a>* z$ \. U5 N' S0 W1 u- u
- </li>
( P* s, Y/ k4 M$ X5 j1 `2 L& r, ]- k1 i - </ul>
; P) |9 m& f! D0 r% b, M+ e2 h+ X - </li>
! Z; w9 D! w, b( c - </ul>3 E) H N$ F% K- v4 B
- </div>
复制代码对应的CSS代码如下: - .nav-container {
0 k& {2 J, J; } - background-color: #fff;
( g5 c, k& q" i+ G - border-radius: 4px;4 Q/ y( f$ k5 t
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);: n+ P0 J3 E' E( ]6 f7 r& K
- padding: 1em;( _) B s3 g$ ~
- border: 1px solid #eee;
c8 X3 d# }2 s" t - display: block;
& N" z% @& s' g% ^ x h- V - max-width: 400px;. V" H8 Y; t1 }+ Y) |/ h
- margin: 0 auto;
8 M1 I9 u1 Y$ f) E `! T - text-align: center;0 {- a) e6 O5 I j
- }
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- li {' O: D+ H! I0 P# X" K
- list-style: none;/ }. I }8 a. S/ Z. j; k
- -webkit-padding-start: 0;5 w1 M$ y2 |) Z0 p/ M
- }1 G6 Q" t, H }" j2 \
- a {; b4 L: [: }+ ]4 d0 F7 w
- text-decoration: none;
0 g& e+ p6 e- ^3 j$ J - color: #ED3E44;. }1 D( `' ?6 @1 L; x, |3 c. p
- }
' W' T3 P, l$ q* D3 P - .nav-item {
0 |3 X# y4 {: ~5 c/ s2 \ - padding: 1em;, q/ P. |8 d4 W5 p5 D) G5 E
- display: inline;+ p( v" Q, n" L) v1 X, u
- }
! u7 Z v9 o% \3 f7 B - .nav-item-dropdown {% P& P' r, {1 d9 [ \3 k
- position: relative;
/ ~5 b. [$ J' ~- l9 s7 Y& C - }
6 U. t7 y( z' q1 E8 ^0 |) Y - .nav-item-dropdown:hover > .dropdown-menu {
8 V7 S f: I9 b- |+ d$ Z, g - display: block;
, }# z! A( S& ?: Z% W5 O/ M/ S7 o - opacity: 1;
) u8 }3 }' u4 Y6 \5 C2 A6 n - }
0 G3 ?' m; T+ {- h - .dropdown-trigger {
: @0 C$ E s3 K$ v0 ~$ r& Y$ b - position: relative;
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- .dropdown-trigger:focus + .dropdown-menu {
' s+ M0 X; s$ V3 z! m - display: block;& c2 H/ `: a, W& N( G2 q) a8 N' S5 x
- opacity: 1;
/ F, o: b% k+ J; { - }
2 W$ ^& n5 ]( o# i4 M m' f: g - .dropdown-trigger::after {
' K. D3 D& p% o4 S% b7 f+ @ - content: "›";
3 P& U& r$ S( p, J - position: absolute;+ a* B7 {5 X8 S) O/ N3 x) T
- color: #ED3E44;- k! W+ ^: }* I8 r
- font-size: 24px;, r5 Y9 k; U" E- ~ @ `
- font-weight: bold;5 A9 z: M) w2 {* A4 S
- -webkit-transform: rotate(90deg);' z' |2 n" k* Y9 H" j' l% Q
- transform: rotate(90deg);7 S, ]5 C0 B* N
- top: -5px;
( h9 @, r$ C2 \& O+ L- Y: l5 Q - right: -15px;
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0 D6 Z. E/ [* }6 t. h k, V2 ~ w - .dropdown-menu {+ Y3 X" K( E- c
- background-color: #ED3E44;
$ g7 Y$ o0 `) h7 l. E - display: inline-block;, f! l' @) B& i# O" B; l f s8 Y" D
- text-align: right;
1 K! s% U8 M1 d - position: absolute;
' {+ v( ~7 K8 M9 H- j) b) _ - top: 2.5rem;6 O) O9 l- w$ m
- right: -10px;
$ A3 |) b+ H/ r% W - display: none;9 X0 q% }" r" |- P3 |9 W: r( W
- opacity: 0;
2 j8 U, ?$ j. H0 I - -webkit-transition: opacity 0.5s ease;; c( f) k P6 ?" X2 x3 f; S: j# H
- transition: opacity 0.5s ease;
4 T5 {- b b5 K. r, d' x - width: 160px;
" a. M$ Z3 w2 Z' x - }& ]" v* t& G% [ h9 V. d
- .dropdown-menu a {
( q: I2 l% D$ |$ G& { - color: #fff;
' ~% l5 R; Q; E# [ - }
% i2 c# z* t: [7 O# a: a- z - .dropdown-menu-item {9 ], ]# O, o; v
- cursor: pointer;
3 d; f/ t7 e/ L) z - padding: 1em;! j) _+ d. O8 M* M& j0 i* w; t
- text-align: center;4 {" ^, N' U* |! }: O/ u @, G
- }$ L' q) ^3 K) h; N$ z4 d
- .dropdown-menu-item:hover {( l5 u" s2 ]- _, {2 g
- background-color: #eb272d;$ s3 |2 J: j( \6 ^- I. a
- }
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可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">6 I7 q$ @0 B/ G4 h, d
- <!-- Checkbox toggle -->7 i* U- K' o7 O2 l
- <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">0 z+ n" [- p1 _, B. Q
- <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>
# F8 J2 O$ m6 T. P8 a$ ] - <!-- Content to toggle from www.mfbuluo.com-->
$ K. d$ U' J2 g/ T7 N - <div role="toggle" class="toggle-content">
) Q1 A5 L. N9 w! y3 y - BA-NA-NA-NA!
7 s! {& A3 _. d4 B, N: f - </div>, U- E1 \( e. n, v. T& h
- </div>
复制代码CSS代码内容如下: - .toggle {5 M$ K* w, @/ U& I' _
- margin: 0 auto;0 Y, z$ j) K5 y, i- \
- max-width: 400px;3 L& X1 z: g8 W- @% P9 P3 h
- }
" W! D) I) K3 A, n* U3 D% e: {' o9 [ - .toggle-label {1 T$ u% O- d6 g* [ d5 V5 ^
- font-size: 16px;
4 g* E4 K) u/ m, d1 A - background: #fff;
! e" S( p+ {: U& G1 d - padding: 1em;
4 {6 b3 e1 j" m, W6 Z - cursor: pointer;
# n. K# |! k! a0 x+ h - display: block;. L2 U$ Z7 f! V, _' D
- margin: 0 auto 1em;
" `' e+ j( }9 t4 ?& N" J - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);9 R& `1 n9 q- {% G% a; C2 ~
- border-radius: 4px;
1 @; k0 H. n6 { T8 _: j2 { - }! T7 d4 o5 d- z4 k8 U
- .toggle-label:after {7 u1 N. u+ x& ?/ ], r# T" a4 K- \
- color: #ED3E44;/ ? U' y$ l- t
- content: "+";
% ?. e- W1 p: v+ s) F5 ?3 ?% n - float: right;% R# r' i4 v' [. a
- font-weight: bold;2 ]. o8 y( R0 m+ ^( _7 C
- }
4 n! f F. y h& N - .toggle-content {
5 ~* c8 s# l, N9 A4 Z - color: #B0B3C2;1 z0 l( M0 Y; j: E
- font-family: monospace;
+ C) I: h* r' P$ a5 Q - font-size: 16px;
" U# V9 C y& T5 Z2 G - margin-bottom: 1.5em;
1 U) s, z& \4 |8 M" J/ Z9 c; p( I9 M - padding: 1em;
: s" }- T) d- h$ p+ ? - }
8 V' q9 N: z% V) d/ h - .toggle-input {& o5 p+ b- h+ [0 x5 F7 x
- display: none;
+ I- N! [& u3 v; S* X* `% H - }' H& A$ ~: _( s: u V/ ^5 x
- .toggle-input:not(checked) ~ .toggle-content {* d& C9 B; J% l% b
- display: none;: O6 y* S N5 g
- }$ h$ j* v- e2 a% R6 [1 p
- .toggle-input:checked ~ .toggle-content {7 k$ k) e' Y; G) T' t& K
- display: block;
0 x& V. A' }8 k - }
+ m! L& T* k, y# ?& s: T4 E- T - .toggle-input:checked ~ .toggle-label:after {+ n7 x3 k% F7 f- c' J- K: b
- content: "-";# |1 |* ~ \% ]7 V; ^
- }
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