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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!">
: p) F+ P& d5 e3 q - Label for your tooltip
u" }; A0 x, B- A& a) X2 m; W' E+ y' n0 k9 s - </span>
复制代码CSS代码: - .tooltip-toggle {
. j, Y2 c8 d4 ]8 a - cursor: pointer;4 z' w& v, x% S1 y+ e
- position: relative;' g/ X3 z- `' L% O3 L
- }9 }; b9 M1 E6 _ a+ @& U
- .tooltip-toggle svg {1 K; ?0 }" V+ n2 H% Y% Y* \6 ?( M
- height: 18px;0 K/ U5 }: j0 k h7 }$ A
- width: 18px;* X% o H" J: F) B) Y1 i
- padding-right: 0.5rem;5 \* E) V1 \' s# Q
- }
; ^, E+ `" _: ~# K - .tooltip-toggle::before {: t" T" N8 F3 y5 X$ I
- position: absolute;
9 F0 f0 B4 m! }( |& z - top: -80px;4 i3 |" r% v1 q$ e; S" }3 t" V
- left: -80px;/ e! d) W% X" Y! g- o
- background-color: #2B222A;2 {( j: i' d1 n/ l% F: @# F [
- border-radius: 5px;* W1 v2 B% S$ ~
- color: #fff;
: ^) F) s3 d' U5 T6 q - content: attr(data-tooltip);1 \3 d' l/ x# \5 m7 ]
- padding: 1rem;) O9 {7 |$ s$ b d
- text-transform: none;% c/ v& p: |4 R5 V2 u& r
- -webkit-transition: all 0.5s ease;
0 c6 S7 D# \, v# g( ?9 h - transition: all 0.5s ease; J6 U. k9 P5 M
- width: 160px;( j1 z0 Z& S6 D. y9 w4 T
- }
4 F. d1 ]1 T w, b- y4 Z) d* w4 y - .tooltip-toggle::after {
9 @) ]1 Z0 l1 u - position: absolute;
* R' U2 J, |; y' [3 y. O' ? - top: -12px;/ u, g4 z* m C# u2 `
- left: 9px;; e# F& p1 P/ d6 U+ s" x# V+ H& z
- border-left: 5px solid transparent;! d0 o3 t0 D# C9 d& t
- border-right: 5px solid transparent;& D( k1 s( ]& m4 ^
- border-top: 5px solid #2B222A;% B- O( V* D# { l3 T- k1 l
- content: " ";
" {5 Y4 d7 [/ t* D - font-size: 0;3 y, L& i8 k- H9 @& @7 B l
- line-height: 0;
( l% W/ N6 \% c" H+ x - margin-left: -5px;
; v4 ?8 e4 R6 e6 K" o - width: 0; X( t% m6 u% }# m" I; R% e
- }
% d$ v# v( V, Z - .tooltip-toggle::before, .tooltip-toggle::after {
Q7 S" H$ L3 i. X1 z1 m - color: #efefef;& D+ ~& P( J% N; l+ N
- font-family: monospace;, e, r5 @; N7 B1 A* s
- font-size: 16px;* n. x$ n8 p8 _# f0 Q3 c1 U1 P
- opacity: 0;/ q! f/ D {% U5 W; C! L5 T5 f
- pointer-events: none;
4 p' a% @. F; V6 ^ - text-align: center;) x% `, d4 Z) [+ y! B1 U5 a
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- .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {" w+ t$ [& J2 W. b: X
- opacity: 1;' s* F6 x1 |$ U$ j) M
- -webkit-transition: all 0.75s ease;
$ |: @$ ~, g/ h; ], Q - transition: all 0.75s ease;
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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">" C* X$ g+ E9 y
- <ul class="nav-items">
% d6 y+ k9 Y/ K- f5 J - <!-- Navigation -->
2 @! v9 y. Z. R8 I - <li class="nav-item"><a href="#">Home</a></li>& U* s* ~: |9 K
- <li class="nav-item"><a href="#">About</a></li>/ B7 z) L5 v% v
- <li class="nav-item"><a href="#">Contact</a></li>: b( P9 w+ q4 t: _' ?
- <!-- Dropdown menu -->3 n. n( C- S' w b) ^+ e1 u! ^
- <li class="nav-item nav-item-dropdown">
# D: P {- }. q0 a$ G* s1 q3 I- m3 } [ - <a class="dropdown-trigger" href="#">Settings</a>+ M; i( Z2 y1 e' q3 Y
- <ul class="dropdown-menu"># h" H& e3 A# \) |. y6 |/ o
- <li class="dropdown-menu-item">6 F/ S- |/ z5 q0 ~) H; {
- <a href="#">Dropdown Item 1</a>
) `: A0 J5 i: R. k$ Y$ C; f% i - </li>
- N M [ p. R$ L0 E) G - <li class="dropdown-menu-item"> e1 ~8 @3 _: | F) f3 t
- <a href="#">Dropdown Item 2</a>
) q9 t0 d) N j! w* T - </li>0 c* v: {8 o5 ? l: A( A
- <li class="dropdown-menu-item">- K3 Y; p$ m; C" o# i$ x
- <a href="#">Dropdown Item 3</a>& M) m$ o- w. s& q. b' P$ r
- </li>! V6 b9 \0 O x/ H9 C7 E f6 e; d
- </ul>2 i" l3 H6 C* r3 A. @! P
- </li>6 x4 n; d% w) @
- </ul>
) q/ s8 ~9 t5 L3 ^- R2 d* h - </div>
复制代码对应的CSS代码如下: - .nav-container {5 b, }% Z. [' T; O$ Y8 r# e" f
- background-color: #fff;5 P1 N9 H+ g, K" C# i2 ~
- border-radius: 4px;" M3 S: T* g Z+ N. ~6 D
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
9 l# D0 j& A- I/ s/ z9 \+ y2 N- n - padding: 1em;4 {, J! v( T) Z _2 Y9 H" [
- border: 1px solid #eee;& ^9 B2 }0 E; m9 Y: U; J1 S9 Y; }
- display: block;* |1 w2 y7 D# K! O
- max-width: 400px;
9 r2 Y1 d, q0 U; O! T7 I - margin: 0 auto;9 `# }$ k' z, K+ _5 \% S
- text-align: center;/ q" m. E9 k9 N7 ]* N
- }
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! t' W1 _% ^( U: z9 L - li {
; ], R9 u3 ~. P' U2 h; @) x2 U - list-style: none;
6 l8 Z* G7 q6 ]" K* U4 q - -webkit-padding-start: 0;
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- text-decoration: none;
4 T" T* Z5 \) e: M: `$ g% ~1 S2 _ - color: #ED3E44;
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] _" I6 n9 {; j) |+ ] - .nav-item {
/ p g7 I2 ^0 j/ r7 k' J2 Z; l+ t6 Q - padding: 1em; F" e* O! u8 G
- display: inline;
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$ p; c" \+ i; z: @2 f7 c L5 F4 @3 P - .nav-item-dropdown {0 ~ F- G5 [, i% _
- position: relative;- b. y7 ^" T" s" i
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- .nav-item-dropdown:hover > .dropdown-menu {8 C: e+ R; O6 K8 T0 {4 ^/ |
- display: block;# n, F- ?) z) ?1 h$ x$ |7 p
- opacity: 1;3 t5 b' K: x% t. C
- } Z* z, P: K( }* g+ y% j* f
- .dropdown-trigger {4 V6 J' U) _" k
- position: relative;
+ _& {* v) F9 K# n- e+ y - }
9 u/ `& R* Q* F - .dropdown-trigger:focus + .dropdown-menu {
+ M2 k1 o. z$ _) }0 O0 k& C - display: block;7 }7 O9 h8 ~, D( B
- opacity: 1;. H9 }- U! F9 o1 B0 l0 K
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- .dropdown-trigger::after {
+ w4 _: E! `/ P* b - content: "›";
. @/ I! p* G1 E- b, ^: l - position: absolute;6 S. c& w9 A) O- s. O7 Z. s3 I
- color: #ED3E44;: }# O4 s) H, R) M0 e: m
- font-size: 24px;
' f2 Y! p' ~" L0 e9 f/ q0 Y( X - font-weight: bold;
: Q4 j& I. r7 D; N - -webkit-transform: rotate(90deg);
# O$ f) w4 Z! q1 m$ W7 K - transform: rotate(90deg);
5 p5 J- X* F$ D1 l/ C - top: -5px;
: F( b- {' d1 @; n - right: -15px;
; _0 S9 h. l) N, c* T - }
3 e: L- \2 L0 }1 d8 _9 F3 I0 w% ?' u - .dropdown-menu {" Q6 S9 |/ z F# _, a) S* y
- background-color: #ED3E44;
3 |$ V* o; p. C - display: inline-block;0 [1 D3 @% X0 J; N8 G9 X7 u f
- text-align: right;& f: S0 v# |8 k; Q/ X7 E
- position: absolute;3 Y' [% x5 A& A8 T9 G$ x
- top: 2.5rem;
2 J5 }0 P9 e; v( t& A - right: -10px;
3 m6 `# z7 X) n - display: none;" ]* L+ L4 Z( \+ P
- opacity: 0;& @0 z: l' k8 j( _9 M- B# L
- -webkit-transition: opacity 0.5s ease;
& d/ m" \* k8 y j, A& K! M8 C - transition: opacity 0.5s ease;
7 A5 X% W" o, V) K - width: 160px;6 r0 E- `2 A0 j: T0 I* ^
- }8 }2 g$ ]4 f c0 z* X- F- [
- .dropdown-menu a {
! r! Q+ O, ?: l- d' f9 |% G - color: #fff;3 x8 y3 b* E6 g
- }* i3 G2 x+ s! d. q% E4 ^
- .dropdown-menu-item {7 k/ X! K$ b* X' P7 [0 _# ]& [
- cursor: pointer;
. l- ?+ H6 q$ [* I5 Y* `; D& X - padding: 1em;9 d! }% S/ M6 Y. X; [
- text-align: center;3 R4 \1 Z& M' S5 B& ?. U
- }7 d1 R" x' _7 Y- `+ h( V1 |- K+ W
- .dropdown-menu-item:hover {
( E+ Q2 C0 K" y - background-color: #eb272d;1 u, A3 S& B( w( Q& c
- }
复制代码
; ~& _+ ]! e, p! ?$ Q9 ]" H9 H5 k5 ^可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">
) o6 k7 k' {4 G3 r2 P' u - <!-- Checkbox toggle -->, Q6 O. r% `; f
- <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">
( b9 ^' I- A; J# I8 t5 d/ S6 O - <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>* e$ X/ h7 B% [, ? ~
- <!-- Content to toggle from www.mfbuluo.com-->
" \1 y" G- J, n - <div role="toggle" class="toggle-content">
2 G! \8 e! K# h* x - BA-NA-NA-NA!
" Z. k. H: N& E2 F7 X - </div>
1 y* i# D/ y6 C! a! l) g) Q - </div>
复制代码CSS代码内容如下: - .toggle {
: h+ j$ k7 y' V0 y6 T' S+ C - margin: 0 auto;3 t* o4 t: @2 r7 ~
- max-width: 400px;: }% j& n; }- F8 _1 {3 d% U
- } L. c% g6 Q B1 @, n: I: f# M }
- .toggle-label {. t7 V: F2 @+ [/ |8 F5 t) k' \" E$ y
- font-size: 16px;. a2 r" k* v. K8 ~2 Y) Y- z4 I( A# D0 A
- background: #fff;
: l& L) W6 {" s( u. u - padding: 1em;
; W9 C% [& u) U/ d - cursor: pointer;# S! }) O, R& c
- display: block;
+ D* }& Z: k" Q8 |+ l - margin: 0 auto 1em;; k* V, @2 A, s/ c
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);& C6 L5 ^8 B( d; h& ?. X
- border-radius: 4px;) X6 x' F) j+ k. y: x- _
- }! i: }% L/ a+ ?6 K- o
- .toggle-label:after {
" v$ ]# O9 c; Z) Z - color: #ED3E44;
; ~( n! o, I* e - content: "+";9 u- o' I4 A0 v
- float: right;
8 R7 m. K4 B! E& H) e - font-weight: bold;: T( `6 K/ I, N: z0 l
- }5 f: u4 O, t ^
- .toggle-content {& K" L' p; p) E. D8 I' Z
- color: #B0B3C2;& N; u5 t+ v7 t& I% I
- font-family: monospace;8 t4 c* n8 Z/ r* E5 ^ _
- font-size: 16px;
0 P; r: E) ^; `8 n - margin-bottom: 1.5em;/ Z/ H2 y# P! Q9 _) i" U
- padding: 1em;
- N; b: H% {( H - }
; C6 @, P& E5 } - .toggle-input {
2 I3 w+ {3 j; O - display: none;
2 A( ]! B& r) s - }7 Z/ h2 t# w/ J9 J
- .toggle-input:not(checked) ~ .toggle-content {
/ V$ \3 k: ]: ]' f- W4 Q4 v, L - display: none;
: W Q2 o/ d$ A3 b5 L" f0 [( z - }
/ o# \" `8 ]) R( ] - .toggle-input:checked ~ .toggle-content {; r; E, [* q% {9 X
- display: block;3 o+ ?) t- d0 `& g {# @" S* p
- }
6 `2 {0 [8 d2 O - .toggle-input:checked ~ .toggle-label:after {' l$ Q% U, V0 F, f
- content: "-";( f8 b5 f" V/ |& d
- }
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