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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!">
) [% \4 b: s2 m8 [& J - Label for your tooltip
( ?5 ~9 u! @7 f - </span>
复制代码CSS代码: - .tooltip-toggle {/ q) m) {1 U( _8 d8 g
- cursor: pointer;
. H5 O& B6 m# t1 O - position: relative;
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- .tooltip-toggle svg {
4 A) g2 O" g! M( \ - height: 18px;
, ~( E: G" X6 k0 s - width: 18px;3 p" v+ t9 O5 e
- padding-right: 0.5rem;
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- .tooltip-toggle::before {
% h% b3 w; j5 u- ?& Q; v6 e8 h7 D - position: absolute;) P+ }7 t" c# r1 s5 }8 o- s
- top: -80px; Z E" M' M7 f8 L& e5 X1 Q
- left: -80px;& z' }; R) B' D5 }
- background-color: #2B222A;# m1 i2 `2 }* |
- border-radius: 5px;
. Z4 l& z- w" ?, Q - color: #fff;/ g' O+ W6 [1 G: b: O! D
- content: attr(data-tooltip);
- Y r1 W9 x% v0 `6 V - padding: 1rem;' c8 \( {- b/ \+ W
- text-transform: none;
* \9 K; e- t. T8 c7 T - -webkit-transition: all 0.5s ease; y! ?* C) C, O5 v
- transition: all 0.5s ease;; V8 q' |: i( z7 q) o
- width: 160px;: m) W P, g# T! A5 i4 m
- }
5 w0 `0 [9 h4 O - .tooltip-toggle::after {. [2 Z5 u) b, x& |
- position: absolute;5 @: r. J+ J% m2 Z( X. ]& @ {
- top: -12px;7 |9 Q; T, `$ b: G& y4 T. N+ a2 F
- left: 9px;5 v# J0 H* b1 b5 k- d+ _ f9 a
- border-left: 5px solid transparent;
9 U$ F+ t1 L2 ]" Q - border-right: 5px solid transparent;: a- O3 W7 U* U
- border-top: 5px solid #2B222A;
# j; b" i' ]/ }' ~. H- A$ n - content: " ";
6 V, r% m) e- s9 I - font-size: 0;# {+ o! O! Z8 e0 ^
- line-height: 0;
* d4 C* C' U2 W1 x+ M1 \ - margin-left: -5px;
` a' E$ y, B; z# s7 J) i - width: 0;
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- .tooltip-toggle::before, .tooltip-toggle::after {( a$ k- t$ v ^
- color: #efefef;
, ~* s, C5 k( Q - font-family: monospace;
+ [- K3 [6 K, q# d0 ` - font-size: 16px;) S" {0 o2 x" s. J; R; @
- opacity: 0;
& y6 U* Y/ _3 U/ ]! M: q0 a/ p& ? - pointer-events: none;
6 U0 L0 I1 e: F - text-align: center;3 o, O* O6 k& r7 Q
- }
- [2 ^# K$ ]3 u% I; Q - .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {
$ j4 w2 C3 O, s. g& w - opacity: 1;0 J( P: ^5 @* ?4 I
- -webkit-transition: all 0.75s ease;
' T4 T# g9 j2 D- D: i' ~; ?( n - transition: all 0.75s ease;
4 j5 e4 Y6 n R0 _3 f6 x4 G, [* ~7 A - }
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">
7 C1 H$ j1 J7 i" L. r+ E4 \ - <ul class="nav-items">0 ]2 ]1 [$ J" ` k' \6 {5 v
- <!-- Navigation -->3 T* ~6 b# L8 x% D7 a
- <li class="nav-item"><a href="#">Home</a></li>; Y! I) g2 |7 H
- <li class="nav-item"><a href="#">About</a></li>) T& ]& f% @& M6 S# X. _
- <li class="nav-item"><a href="#">Contact</a></li>
7 Q: X; T! ^/ d - <!-- Dropdown menu -->
, I5 O3 V7 Q+ |4 q" \3 j8 ` - <li class="nav-item nav-item-dropdown">9 ^! N: J% X0 f6 m, B
- <a class="dropdown-trigger" href="#">Settings</a>: H6 ]/ P% S" x( K& l% D7 T( O( O
- <ul class="dropdown-menu">- D8 Y: C* u( o B
- <li class="dropdown-menu-item">
; t% b4 E. V" D" R( U% S - <a href="#">Dropdown Item 1</a>- H8 k4 [* [3 Y" H
- </li>5 |( V- @0 p2 \5 P8 X
- <li class="dropdown-menu-item">5 V* R' r6 I4 x$ ^/ ]: V" M- w
- <a href="#">Dropdown Item 2</a>$ }/ [8 i) A9 Z5 D4 X7 D8 B
- </li>
% c, c" M1 d/ W7 b* b - <li class="dropdown-menu-item">
6 a+ O1 L- }! I/ P8 T/ ~; R& X$ \ - <a href="#">Dropdown Item 3</a>+ g* T& ]# s% v! h6 H, F3 n
- </li>
2 ?; W5 S2 K: j. j/ |5 v | - </ul>) T$ `+ c% j4 z
- </li>) v* c9 L; y- h0 Q0 @4 I% }+ d
- </ul>% `, v( l* n+ M& d2 o/ Z3 I0 x
- </div>
复制代码对应的CSS代码如下: - .nav-container {
( [2 @0 [- I, A - background-color: #fff;
- N! z1 b2 E7 b. H' R1 J( D - border-radius: 4px;( T6 c: v- p7 e0 R
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);( R6 k2 d& k" f; X$ D
- padding: 1em;
9 H- z* \7 g5 ]) @) {2 X& d& {2 d - border: 1px solid #eee;/ p% u5 E$ v$ t# G
- display: block;
$ Q, Z# r3 U/ x$ S# i j9 a" ? - max-width: 400px;
# Q5 N6 {( O( K8 H) e; D - margin: 0 auto;
# E, F5 U& a: [8 X. i: U: ~ - text-align: center;' ^$ Y9 p; g; ]4 _$ i9 \" j
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- ul,$ J" T. L6 m% E
- li {
1 L; X4 T, p* |4 H - list-style: none;. J- ^* o) y& N# x
- -webkit-padding-start: 0;0 m8 [- d* o) d+ |7 {2 C5 R
- }
g6 F1 j) V3 \ - a {
7 t. i$ h# j1 B) a# U! z. j$ \( } - text-decoration: none;. P6 g6 T3 D8 V% k) q; s
- color: #ED3E44;
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- .nav-item {
3 j" q |& G3 d5 j( K T - padding: 1em;' L, M7 T; l M5 L4 Z8 J
- display: inline;- |' \- c1 j) h% J
- }! N) y7 k0 f8 ^' X5 Y/ W
- .nav-item-dropdown {" M! ~0 P( Z0 h+ X4 I
- position: relative;
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6 L$ e# Z7 r3 k' f - .nav-item-dropdown:hover > .dropdown-menu {
; V+ i7 r0 Q, s; K) V - display: block;
: V$ p2 w, P: T$ l' y0 E K5 X- ^ - opacity: 1;# o- E. Y; K4 k; P: c3 y2 D
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- .dropdown-trigger {
9 F( n- ]7 Q" ?8 c" i; F - position: relative;
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) v m% h1 I! |+ W: h! A - .dropdown-trigger:focus + .dropdown-menu {
0 k3 q5 k% {- m. U) D - display: block;$ `, N8 I/ w0 E# B C
- opacity: 1;& B/ \1 H& Z3 `. v7 B6 S, g: z2 ?
- }
8 W' M8 l) v! L- F* y; S0 _# e - .dropdown-trigger::after {0 o- {/ o5 T; F* K* B
- content: "›";# o, H9 z0 [- \$ x3 o" d1 X
- position: absolute;
% @: F5 k. W. F& T3 o& B2 R9 W7 ? - color: #ED3E44;
, N# r: E* z+ V- Q) J( y: f4 N - font-size: 24px;
) n9 E) V' ]2 D - font-weight: bold;- J3 U" D3 @0 X; `( P4 m
- -webkit-transform: rotate(90deg);+ ]1 r) h' r9 S' b- t' S* Z7 u
- transform: rotate(90deg);/ v5 K% J" Y! R4 r0 [7 @$ E
- top: -5px;* ~' Z# p% e p5 M, k% X
- right: -15px;! T f$ J7 U; {1 f9 J
- }& a/ Q ?! J- J1 @! {
- .dropdown-menu {
4 _* o) k. I3 S& W! b - background-color: #ED3E44;
+ t: R- q# S" Y) P+ U - display: inline-block;
7 H' U# y" [* v8 U - text-align: right;; I5 ]- G* m0 z, `9 `8 w
- position: absolute;
( c# Z8 [3 _9 [; o5 U7 h' S1 H f0 G - top: 2.5rem;
( T% D Q2 ?! T' }+ h - right: -10px;2 T _7 X3 @( L
- display: none;
1 `5 R% E0 D+ H2 _# B( R$ E3 ] - opacity: 0;, W3 N0 `5 y; u) X* H5 L% j! @
- -webkit-transition: opacity 0.5s ease;/ Q# o" d7 G& ]% ]# ?( y
- transition: opacity 0.5s ease;5 J9 Q; _/ {" e) ^* H
- width: 160px;
{: q% ?% S+ Y% ~9 f - }! H( N' i+ R, J3 H' l }
- .dropdown-menu a {
$ i E: Z: ]2 B: Q - color: #fff;
( ?3 h8 p& I1 p0 Q' i+ k* Q4 l; j - }
& N* b6 J$ O5 d - .dropdown-menu-item {
8 f* N3 V3 _1 p7 X: m' z3 U/ G5 [ - cursor: pointer;4 S+ K9 d' [ Z: O1 Q
- padding: 1em;
+ }5 U0 j) E7 V - text-align: center;5 x7 c; `/ W% z: Z& j
- }: O' K0 ?. i, y; {
- .dropdown-menu-item:hover {& ]5 `% [7 d9 v8 d5 v8 ~! M
- background-color: #eb272d;
% f2 P8 v% ^# T+ F4 { - }
复制代码
* l, F: D m. \6 l2 `+ u可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">7 _* Y1 x j" M$ K+ v9 ^, X' u
- <!-- Checkbox toggle -->
' S$ c }# B* e! E9 V - <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">- s& O8 | ?7 u- F' W
- <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>3 {6 l4 N; [4 X1 T* ~$ A
- <!-- Content to toggle from www.mfbuluo.com-->
5 N9 O* ]7 m& j: ^/ u; I - <div role="toggle" class="toggle-content">
4 p$ n3 B6 w, A/ K; L - BA-NA-NA-NA!5 P5 C, k3 A1 x
- </div>' ^( D: P9 o# i" p# j/ r* |
- </div>
复制代码CSS代码内容如下: - .toggle {
* p8 R& n) T& H" \+ [ - margin: 0 auto;* R2 @! p6 Q# ^$ p
- max-width: 400px;5 v$ z+ @0 L- N& Y' m1 M. e2 Z
- }( m" ?& A+ l) s. O7 J! |- b
- .toggle-label {
- M- g! W- k: k6 y, c/ r% H - font-size: 16px;% P7 ]$ B$ _0 ?+ A4 X5 Y' \4 e
- background: #fff;
) c4 [8 U1 x# o! D u3 u' l1 i& \ - padding: 1em;
) N. K) B N0 c" ?7 d. e - cursor: pointer;! e' z! A: S- ?' a) j" L
- display: block;& u% p) O- L- c) ]" u- o% S7 t7 i4 d
- margin: 0 auto 1em;
+ _7 w: x, _) U- A" e - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
) R: V! S3 F0 K/ K - border-radius: 4px;% D" {$ z6 n1 Z5 \6 t
- }
' ]+ [2 x% Y. ]( A0 a - .toggle-label:after {3 p: o5 `- ?0 u
- color: #ED3E44;
$ z9 y$ R6 t7 w' s1 v - content: "+";: T4 G* X6 c) D0 N
- float: right;% Q3 Y+ c* B* l( B: T0 O O D
- font-weight: bold;9 B8 u: r; D$ S6 W% y; A1 C( Q
- }$ m: R9 r' A6 h2 `* p
- .toggle-content {
- ?- T) k8 M8 H A) ]6 W& L/ } - color: #B0B3C2;9 ]' h- p3 ^$ a* G8 \( ]
- font-family: monospace;
' R- I; S. m9 }" k* Q' w - font-size: 16px;
. h6 p0 N% C( B R% O. V - margin-bottom: 1.5em;
2 n/ r" ?( J1 b; c" T2 c - padding: 1em;
~( h6 S) P* r- v6 e/ h - }- [: }3 x1 z# q0 [
- .toggle-input {
& _0 U1 C G0 t+ U - display: none;$ D, c* i& h. ~$ N/ Q0 D9 }
- }
* ^# } F. u' B% c: N - .toggle-input:not(checked) ~ .toggle-content {- [1 ^% b# N3 s' C
- display: none;0 o. P% c& r5 }, _; v
- }* O( c/ r9 g, j8 [0 J
- .toggle-input:checked ~ .toggle-content {
1 P7 G2 z( ]% P' X7 N: c5 b - display: block;
% N) R9 U! Y& q& ?8 n# k- P$ R% \ - }
* a! l) J- z; k! S - .toggle-input:checked ~ .toggle-label:after {5 O# b) S0 r+ a) Y6 ?+ w" h# G3 P) t
- content: "-";
- y; G* @! D" l7 ]. W) M - }
复制代码 & x* m& J6 s) b
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