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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!">- D+ o" x7 h4 l" ^3 D3 |# h/ X. S, p
- Label for your tooltip/ _0 O" k1 P! P; \
- </span>
复制代码CSS代码: - .tooltip-toggle {9 M: I- ~' L) b
- cursor: pointer;
3 {& u0 I" L- ?- C - position: relative;
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- .tooltip-toggle svg {; a+ G1 q4 n" {! R/ w7 i+ Q& o
- height: 18px;. m/ ?; {5 K |' P2 f) h. _
- width: 18px;# u1 C7 P' E! z- r+ U6 Q) d C
- padding-right: 0.5rem;/ R$ {; _7 e4 B+ s
- }
! ^' `' ~+ I" H7 J! B - .tooltip-toggle::before {8 p9 r3 F* Q" K: w& B
- position: absolute;
) _( C0 `* b( A F" C - top: -80px;
& Y; ]+ _ F, X' S - left: -80px;1 a: x5 _5 E1 \$ ^. a9 Y
- background-color: #2B222A;
; V- V( u. f. T6 { - border-radius: 5px;8 n: f; ~2 m0 O" p
- color: #fff;
* r- _ k. ~3 l2 O" ]; p4 [ - content: attr(data-tooltip);
/ I. `( S! l7 A1 r. W - padding: 1rem;* ], E& H" Q- i- t& l3 n8 s
- text-transform: none;* N' u+ G2 e( }% R( g& Y% m- J
- -webkit-transition: all 0.5s ease;
% N3 \) k( i; g% K. I - transition: all 0.5s ease;, {( a* V$ K1 n- o) }; K
- width: 160px;0 s$ T6 T9 D) _1 i X
- }
6 v- O# \+ O7 D* e3 Q - .tooltip-toggle::after {
' H( l2 i: S( A) N' s- g - position: absolute;
- ^/ |' _0 E8 T6 _9 I - top: -12px;* ?" ]0 W2 k$ s: ]: d
- left: 9px;
2 A! d# o4 d c8 y- S$ I - border-left: 5px solid transparent;2 a7 a5 J% }. K' |! n( X a+ D
- border-right: 5px solid transparent;
9 C6 C3 o$ `4 \5 V: i - border-top: 5px solid #2B222A;
+ M3 P7 w* d4 W) X G1 M - content: " ";( f' c/ l* {9 \. i7 ]
- font-size: 0;
" f& L$ _4 |/ `$ X$ |8 ` m - line-height: 0;) K$ y" } w; [" i1 c3 [" C
- margin-left: -5px;; o# R$ k7 Q1 {; `7 M
- width: 0;
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- .tooltip-toggle::before, .tooltip-toggle::after {
4 S5 Y5 W0 | w" C - color: #efefef;
5 U1 N6 o6 l) d& x" f7 T8 { - font-family: monospace; J4 l0 G; u3 e
- font-size: 16px;
2 f# k2 }+ h. k" P2 S6 ]7 x9 F - opacity: 0;
$ H+ |) T$ x% W" T. o - pointer-events: none;5 l1 j; m* F- t' H1 n
- text-align: center;& U9 y- V2 U0 F5 I0 o) {
- }
Y8 M, B2 j! {9 V6 | - .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {: ?3 p8 T& @, O, ^4 h2 ^* w/ }
- opacity: 1;0 j& n# ^( j8 o3 b4 s
- -webkit-transition: all 0.75s ease;+ t2 M# g7 V# G
- transition: all 0.75s ease;! e: i5 R8 O) h$ S/ z
- }
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">
" P9 J( y* o. c, x - <ul class="nav-items">
* y8 O+ ], R- N4 e* y4 _& j# M - <!-- Navigation -->9 x8 E0 S) X3 u
- <li class="nav-item"><a href="#">Home</a></li>
# ?' G" D# `! t0 v - <li class="nav-item"><a href="#">About</a></li>. ]+ @& m" z9 p) U# D; }
- <li class="nav-item"><a href="#">Contact</a></li>( d- z- u0 {. k/ R+ T# K9 {/ J! n
- <!-- Dropdown menu -->
5 {, e/ ]4 `& c$ s3 } - <li class="nav-item nav-item-dropdown">
% r) R5 s& P* u* D! W! O& g- Z% o - <a class="dropdown-trigger" href="#">Settings</a>
. C1 l9 `$ @0 i - <ul class="dropdown-menu">6 W/ K* g: ~" `; R
- <li class="dropdown-menu-item">
l( h& e h2 q7 {; t, B - <a href="#">Dropdown Item 1</a>
" L6 A+ o: b5 {9 c/ c5 i& V - </li>
% R3 _+ F' t8 @4 {# r - <li class="dropdown-menu-item">
4 k& u, p& g+ q, E - <a href="#">Dropdown Item 2</a>
0 N0 D, a. D1 P( p( R" t - </li>
; L' Y9 m+ e) t+ X4 V9 H6 C" |& B - <li class="dropdown-menu-item">& a8 Z1 r6 I7 K& Y
- <a href="#">Dropdown Item 3</a>
$ j" C1 c; S |8 d$ E; m6 q- S - </li>
6 ~7 @; y/ N# z; f7 j - </ul>- [+ j; U6 C" Q7 ], `
- </li>8 S" c0 p& T) P3 d s0 a4 I9 L' b
- </ul>
; v D8 j* Q2 \; L0 W; } - </div>
复制代码对应的CSS代码如下: - .nav-container {
( U5 z `% q+ I! u! t - background-color: #fff;
. i$ R! L/ C" b6 z% l" Y - border-radius: 4px;
6 b9 b% Q1 _: l - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);6 O2 X) w' |0 Z
- padding: 1em;
! c1 m% M! E# ^, P# z4 P& m4 c - border: 1px solid #eee;
4 b, D( n( s& L/ _ u# O& S" i1 w - display: block;/ F# y( o0 C# u a- i! C
- max-width: 400px;) r; t. u, C/ h( }) A
- margin: 0 auto;$ N4 D/ B0 r. A. F. [
- text-align: center;
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- li {* |( R8 i; r' Q
- list-style: none;7 \" |( ^7 _, [$ X0 Y
- -webkit-padding-start: 0;- `& W: m: `4 v* }
- }
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1 O! H0 ]5 t- v) j( H+ U - text-decoration: none; ^* j. {* u: ?4 ~4 B! p
- color: #ED3E44;2 c* l6 w- E9 t
- }
; U5 {* g$ y; ^, y8 X5 F4 g2 S - .nav-item {' z5 w) Y% w3 C( E3 A; v
- padding: 1em;
$ j, n5 h0 t3 w( ]! |5 ~7 h - display: inline;3 y2 Z0 ^3 [3 q: }, u
- }
?# R9 ^( [2 Z1 f; r5 c8 U - .nav-item-dropdown {
0 |% t: y) `. U7 {0 C+ \ - position: relative;
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8 k& P' W( s( Z - .nav-item-dropdown:hover > .dropdown-menu {
; K, m; o' ?* X - display: block;5 x* V+ k7 E8 i
- opacity: 1;- }5 r: l# Y! p. x( D K
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- .dropdown-trigger {
2 A' A) e/ O& s" \4 f - position: relative;/ v# J/ P, u& |" D# _; w3 X
- }3 v. l' k- v y6 e& ~
- .dropdown-trigger:focus + .dropdown-menu {) p( F# q3 ^- j$ a
- display: block;; b. H4 m3 w2 m' K9 t, p; V
- opacity: 1;
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/ A' J( Z% L# @1 O- ?8 ^ - .dropdown-trigger::after {; ?% p% h: R8 f+ V- v
- content: "›";3 N2 o6 i# v, M2 `8 k! R9 C
- position: absolute;5 I8 {. Y& }5 [- N$ h. O
- color: #ED3E44;
9 y4 x q1 o3 q, p# b- \8 I) [' m! j - font-size: 24px;* u8 L# g# X! I) r
- font-weight: bold;% B/ r- J: p1 \- t5 T# I0 B
- -webkit-transform: rotate(90deg);& u7 q3 b, _9 K4 s6 v
- transform: rotate(90deg);2 z. h% @ P' B" D& X
- top: -5px;
0 T2 x5 i( h4 A9 ~) C - right: -15px;% l: U5 o8 v1 ?
- }
7 s6 L4 S7 A1 S D8 a - .dropdown-menu {. K* ^5 `3 o: y# q2 h% ]9 g0 Z
- background-color: #ED3E44;
! \7 H m( G8 S+ t6 K: Y5 V* Y - display: inline-block;
/ {2 E. P# |$ Q& w7 @ - text-align: right;
0 J4 t8 `4 q' k - position: absolute;
8 g7 z7 k- H; u, h1 l! ~8 y" S - top: 2.5rem;% k9 l. k& H% r8 j
- right: -10px;* h1 H: ~3 o. h# Y( x* E3 j
- display: none;5 A( F! }: e: ~* ~' D; `, M+ y
- opacity: 0;
" H/ U8 P& h! a% G - -webkit-transition: opacity 0.5s ease;5 H+ o2 i9 @8 G0 [( e# W% m& j
- transition: opacity 0.5s ease;. `7 s+ I) x; u1 X% g5 l
- width: 160px;" S" J7 A+ n9 m) a. B8 i
- }
# r% ~5 z H) @+ { - .dropdown-menu a {; f* I* h( C& b' v8 N
- color: #fff;6 H8 y9 C; w: ~- t- c
- }; Y4 d: h0 m* B* N) Z& [
- .dropdown-menu-item {5 u& C; {8 @ x+ ]7 |# f
- cursor: pointer;, f* I/ P( w; v( w
- padding: 1em;
; c" F, t1 Q7 ^, [- Z+ F% Z4 _ - text-align: center;4 P5 L& H) p$ ~; @6 i. @/ V
- }
/ i! \/ O( l0 z" l% N5 g( v - .dropdown-menu-item:hover {5 E% Y; `( s( J- G8 A0 ]6 o
- background-color: #eb272d;6 f0 ~) n3 W' W; v: p
- }
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; E& h* g" ~9 Q$ N2 f" K6 D% V+ m% e可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">
. c5 _5 |2 h5 {9 A" ]$ N; j - <!-- Checkbox toggle -->
8 j [( l0 H1 B& y( p - <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">& S# x f V3 p& ^
- <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>3 y% @$ P' B+ ^, E$ U& M- C3 Y
- <!-- Content to toggle from www.mfbuluo.com-->; f7 s% W6 {; I; f
- <div role="toggle" class="toggle-content">
3 D; w8 w- s+ Z, n h - BA-NA-NA-NA!- n3 c/ x+ X1 u6 c3 j9 x) F$ J% R# F
- </div>; F8 u( m5 i" X4 j- y5 J ^
- </div>
复制代码CSS代码内容如下: - .toggle {4 n, P7 o8 s t, @
- margin: 0 auto;
8 _( |* w9 C9 \! h: t& Y3 W$ ` - max-width: 400px;) N% J1 A, [8 g. @
- }' M9 g2 w) B3 `5 k" S# {
- .toggle-label {. d& a' f+ H' h& k. Q
- font-size: 16px;
0 R& ` E1 x) Q: c, X5 Q1 [8 y - background: #fff;$ \, E& y3 u/ c- k7 R- q M$ r
- padding: 1em;
0 T9 e. `0 t7 V5 M) h- X. K( b - cursor: pointer;1 a5 V' I O* x$ h- i: T( E6 A
- display: block;
( w! f9 C+ s; `* X% I) O+ C - margin: 0 auto 1em;
. N: H8 _0 ~" P: k4 o - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
5 b" P* e: ^7 l( H - border-radius: 4px; K) @7 j5 w) ~
- }
2 S+ ~4 U) G* p' Y, q - .toggle-label:after { v% x4 v' Y* w: \4 N" w* F
- color: #ED3E44;
% \) v* L% J5 \$ I/ R# E - content: "+";
2 D% L1 U4 M, @) `& P; D: ~+ j - float: right;" X! l$ s- L0 h1 W+ K! \3 O& q
- font-weight: bold;; W) }6 K' y6 b5 \5 _
- }1 f1 k8 Z0 }; J- U! j7 }% g
- .toggle-content {; @; W }) @% @: z( y
- color: #B0B3C2;2 \0 E0 t: q0 r, ]
- font-family: monospace;+ i) V& A" |) f e- U2 s
- font-size: 16px;
$ d1 o0 h; P- p) C! E - margin-bottom: 1.5em;
( O7 ]( d/ Z6 a/ N, E4 z - padding: 1em;
+ ]& K4 j) Z3 J, F- E. Z O; K# b - }
8 O9 [; }" h( s, E) {9 _ - .toggle-input {5 U$ R5 Z7 I; M
- display: none;6 { N" V! d5 j* d$ G* _
- }$ M3 E% E t& E9 `! B/ T
- .toggle-input:not(checked) ~ .toggle-content {2 u; `: A, ^2 ~4 `( e3 I
- display: none;6 g6 l: e9 V/ j( K. Q6 `' f8 Q
- }0 l4 Z+ V+ k7 [6 O# u% s
- .toggle-input:checked ~ .toggle-content {, ?! C/ G; m; T+ B) z& `& t4 d$ p
- display: block;
; J8 S- m) L: d5 @ - }
$ z( G2 ?2 ^/ P4 h. e- R6 K - .toggle-input:checked ~ .toggle-label:after {
1 g2 N7 S( T/ ~) U - content: "-";
9 I) _, @. N( m" j - }
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