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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!">! z" z4 M5 K" N- C* Z7 c0 Y. P* f
- Label for your tooltip
# y/ i5 X! q7 R4 H: Z6 m% _ - </span>
复制代码CSS代码: - .tooltip-toggle {; P4 o, ~" [3 [, \0 x. V: h
- cursor: pointer;% |6 ~* Q* v$ c. z- M: M
- position: relative;( V2 U; E( n% n9 O
- }$ ?. }9 i( A% c6 @/ x
- .tooltip-toggle svg {
! J. l- J9 w* k# P0 Z- s; |5 o5 \ - height: 18px;8 l, @5 }2 C L/ }* P9 L. B
- width: 18px;- l" T' k# k7 F7 a5 H
- padding-right: 0.5rem;3 p) O( v/ F& g1 m9 \8 L. M
- }7 @, D2 h: p7 t0 I9 I; D. i9 F; P
- .tooltip-toggle::before {% v$ x& V4 L. Y8 c; Z: `
- position: absolute;
: F% g, K! k: x0 l5 O4 D - top: -80px;
- H% p b& {7 l% y5 d - left: -80px;, j* |: y1 U" t8 z
- background-color: #2B222A;% r, d/ _* p# Z
- border-radius: 5px;3 i; R& ?$ w: n0 f: d
- color: #fff;7 p8 g5 g# e x0 z" ?, j
- content: attr(data-tooltip);4 c0 u* R9 y* a7 }+ W2 c* N
- padding: 1rem;
! A8 a. \7 V2 B) k+ j - text-transform: none;
' U* X) H% d1 d9 @; ?0 n - -webkit-transition: all 0.5s ease;
/ c2 T$ |$ g8 G1 D( a2 {, O - transition: all 0.5s ease;
9 R) E' B1 _3 `) a) f - width: 160px;
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: H4 T( Y9 n/ H, }# m - .tooltip-toggle::after {4 u" @9 R) W( X
- position: absolute;" I8 K, m l3 v; k3 } O1 z
- top: -12px;
0 f+ ^/ r$ X, p - left: 9px;
' D4 T; b6 i0 p& T - border-left: 5px solid transparent;! P7 i0 T% S8 \; d- }( s" G5 e
- border-right: 5px solid transparent;
J e. C* D5 @& r. C7 x - border-top: 5px solid #2B222A;
* x2 p# E& D) j - content: " ";
) s8 @; b* @3 J) A" ] - font-size: 0;. {, h) S! H+ c" H
- line-height: 0;% j7 c. G5 Z; J& i0 J2 G& b- n
- margin-left: -5px;
( ]5 V8 o' J% b9 h - width: 0;) }$ @; m4 }1 p; |" A/ g0 {
- }
- k- }/ v* I, x r n' ]' B - .tooltip-toggle::before, .tooltip-toggle::after {/ N! v* h2 F9 V4 R
- color: #efefef;
' |: f9 ?) T' W) f0 v3 E" e - font-family: monospace;
( L; y( @. m1 P* S, l - font-size: 16px;8 H' D: O0 B+ D7 [8 w7 L* Z! a
- opacity: 0;
7 l1 \( C% y( Q, Y5 }1 I - pointer-events: none;8 A5 ]2 k' r; r) _/ u" d% A
- text-align: center;, D9 d9 v2 Q: c1 f- J; g+ h2 w3 U) F8 i% N
- }
8 t+ V$ d% X8 J8 Q, m- ? - .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {2 r- E# f% d7 \6 H2 `
- opacity: 1;
& p9 [0 M+ H+ M; Q" G' [ - -webkit-transition: all 0.75s ease;
, n% j" c7 x" h- r6 b7 F6 ]/ ^ y - transition: all 0.75s ease;% s; h" z/ I* D0 [( F4 O4 B; G. 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">
& w2 m, l4 X$ v9 k5 N2 s - <ul class="nav-items">9 i& j6 j) i4 u0 m4 ~6 f
- <!-- Navigation -->
( H7 ~2 M8 G' _0 A Q" b" h5 x - <li class="nav-item"><a href="#">Home</a></li>) g+ z: d( b% x- E8 Q4 v$ K" W) C7 l
- <li class="nav-item"><a href="#">About</a></li>
2 O. r5 Y: m8 i' R/ v$ @ - <li class="nav-item"><a href="#">Contact</a></li>
4 T7 E5 H( m# H6 u - <!-- Dropdown menu -->
z# U- Y- T6 o2 M3 p - <li class="nav-item nav-item-dropdown"># V7 b( Q+ t9 M( X1 f F2 j
- <a class="dropdown-trigger" href="#">Settings</a>
+ P) r5 z; w b4 o P( k7 ^: j - <ul class="dropdown-menu">
% J0 W3 @6 L8 s - <li class="dropdown-menu-item">
1 ^7 z9 B! q0 w7 s9 y1 U0 e - <a href="#">Dropdown Item 1</a>
* R% Y' Z' J* r+ @ - </li>: R4 Z: V: H, S# l
- <li class="dropdown-menu-item">
' i' R, c; }9 B3 W - <a href="#">Dropdown Item 2</a>
* Z* b$ r% T! X, s- J% m' L - </li>& K5 p9 V1 G4 g
- <li class="dropdown-menu-item">
/ h1 M0 e9 ]- R6 X/ c - <a href="#">Dropdown Item 3</a>4 F5 G% \- L+ U2 B0 s
- </li>/ {" s$ k+ K( Q t3 L/ w
- </ul>
: w1 z+ m9 R, S2 S3 m - </li>7 j# a' S7 w0 B) Z: p9 Y
- </ul>. T) D9 G' ]& h( Z' t
- </div>
复制代码对应的CSS代码如下: - .nav-container {
! w: Y! i/ t# o - background-color: #fff;$ X J9 {* L; u0 f* g' J
- border-radius: 4px; m {' l, q, v+ O# d7 I. H
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);, f' b4 C& Z# W( w5 G: t
- padding: 1em;$ K. C9 Y# [& o9 ^ g
- border: 1px solid #eee;) m) F, I6 h4 b- d# x; P
- display: block;
: w. s+ p2 A+ B, D! G2 A - max-width: 400px;
+ @* ?6 U' u9 _& P4 y - margin: 0 auto;5 s3 n. y; K- R6 ~% V& e/ ~
- text-align: center;5 e7 {% O1 P. z$ c8 w6 q
- }2 W x+ o6 b2 @8 ^$ d- S, G
- ul,& Q+ s( f. y) A- m) v
- li {
4 |% `: _, @% J& O - list-style: none;
* V3 W( U7 h! Z; I# Q: p' ]/ i - -webkit-padding-start: 0;/ _9 |' H6 @0 X1 y/ K/ n
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- a {& Z" u: M3 s/ Q* b) G
- text-decoration: none;
- J( J- V1 L7 i - color: #ED3E44;
- }; Y+ P7 M4 L& P* T* H! C- C - }1 q) R5 q- K. {2 e: ` x! m6 J" @
- .nav-item {" i, Q: G; K( ~5 e! P
- padding: 1em;
7 k2 n' T/ a3 z8 ~ - display: inline;. t1 E; y3 @2 ]3 U {
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- .nav-item-dropdown {
7 d+ B% n# Q. m$ E/ j* m2 T( W# _ - position: relative;% f3 r) ]4 s! N9 S: F" }9 c
- } p k" M) l+ [8 F+ T6 U
- .nav-item-dropdown:hover > .dropdown-menu {+ {& C. ?8 W5 s
- display: block;: k* r3 Y3 g% n U8 k# S O
- opacity: 1;
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3 R( c6 o5 S+ o# ?: T' [ - .dropdown-trigger {
7 P$ ]! R. E. s/ R" c6 s, ` - position: relative;
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- .dropdown-trigger:focus + .dropdown-menu {
$ y: Y8 [; I& D* X2 K5 \ - display: block;
9 m1 N' E- E3 Z" D4 c# N - opacity: 1;
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- .dropdown-trigger::after {, r( Q, E2 Z1 S" t! r2 g7 ?# Z
- content: "›";. A, t ?4 x# y5 m7 p" P
- position: absolute;8 P6 T/ f7 Z. |' R" {
- color: #ED3E44;- P. z) @( j; s$ c. P
- font-size: 24px;
* x* X2 y! h' k - font-weight: bold;
2 W* ]3 D4 ^. O+ A2 D9 P6 @; C - -webkit-transform: rotate(90deg);
/ J0 h% O- q2 K1 x& ` - transform: rotate(90deg);
: q! c: z8 K' _! F2 |) H - top: -5px;
, Z& V0 L) O" k8 H0 D6 N8 e1 D - right: -15px;4 @! e' d/ K% g; }1 l( K
- }
. m* _- G) _; u8 t: S- I - .dropdown-menu {# ~ x8 S; C. ]+ }5 G( U
- background-color: #ED3E44;
; ?! Z) \- v+ }. @9 _8 s - display: inline-block;& v8 V/ A' m i6 Q! Y
- text-align: right;3 \2 Q1 ?* R- f; v
- position: absolute;
6 p7 G4 T; _/ S8 k! | - top: 2.5rem;* `! m) C6 N$ n& m
- right: -10px;: h3 Y$ I$ A( S p7 n, r9 v9 A
- display: none;8 t# |5 O4 V* k; O0 o+ s7 V% }
- opacity: 0;; w/ g, ]9 l3 m6 o7 h
- -webkit-transition: opacity 0.5s ease;
6 [' c! _ b+ Q* H: s - transition: opacity 0.5s ease;: a6 j2 Y2 \5 Z+ F9 }/ K9 l$ K- r
- width: 160px;
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- .dropdown-menu a {
; A1 n$ Q; S8 b1 w$ Y/ { - color: #fff;) H5 Q7 V t1 Z6 d# E- y
- }" p$ S6 J' j. i
- .dropdown-menu-item {
0 J3 c* z9 K+ @& w' g" h, s - cursor: pointer;! o4 W/ w- s( O0 v
- padding: 1em;+ K3 u3 [7 D0 X3 B2 c* K
- text-align: center;# V& \) `: Z' l" A0 E9 a# O& ^
- }$ ^" t7 E8 ^6 V% `( i! E v
- .dropdown-menu-item:hover {
8 s7 `4 t) F, _, N I( h - background-color: #eb272d;
$ ^! w1 o9 b7 \ E1 K - }
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" `5 L! t% c" ~. Z; X, K' k可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">
; r9 y* H8 m& M5 E/ c5 y - <!-- Checkbox toggle -->
$ u& T: ?+ Q; K d8 b - <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">, C8 f- `; Z8 n7 s( m: q
- <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label># S2 w/ _0 P, z, r; _
- <!-- Content to toggle from www.mfbuluo.com-->
3 }7 m2 Q1 A3 S; { - <div role="toggle" class="toggle-content">* a3 n* i! b: f; p9 a. h
- BA-NA-NA-NA!; e$ x& [" x# A8 U3 [0 r* c7 d- X
- </div>
1 N! _" t7 q+ @. u - </div>
复制代码CSS代码内容如下: - .toggle {
! c) m$ N4 g; B/ Z% E0 y - margin: 0 auto;
1 H: r% a! o N* N - max-width: 400px;1 g ~ q# |4 P( F' E
- }. s; {+ b0 \' I0 ~
- .toggle-label {; T2 T4 m3 w V! g+ \1 V
- font-size: 16px;
* M( `2 V" b% i9 v - background: #fff;: g8 m2 H! I& Y- `* r. N
- padding: 1em;
/ E0 n, m6 `! M) w - cursor: pointer;7 f$ l' X. P `+ w; q
- display: block;: q8 ]+ ?' w' s6 c! u' A. i
- margin: 0 auto 1em;# D, `4 q, p( |# T; M5 k F
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);& z& e0 R, S4 u8 ^
- border-radius: 4px;' U/ c9 O8 S5 N0 G: @9 `7 ]5 Q
- }* V# D- t0 R9 }+ a; U
- .toggle-label:after {7 S0 {* u/ V" y# P" Y
- color: #ED3E44;, @6 }7 |' V! x, }3 B
- content: "+";, G W# e& I) I$ I5 r
- float: right;: |1 G9 O0 l( v; J% c) Z
- font-weight: bold;
$ J" D, h/ ~$ N7 W m: @- X& n: w - }7 _: R( n# Z h) E9 w# k& `
- .toggle-content {
' K7 E o2 ^- a/ A3 t0 ] - color: #B0B3C2;) g9 u# d5 O7 ?/ |
- font-family: monospace;
2 N' ~) @: r) K - font-size: 16px;: k B/ S: I/ R' W
- margin-bottom: 1.5em;
# u e+ [* t L& W( P P9 g - padding: 1em;
* O" e2 L$ h( j+ A" ~/ X - }% e3 \ z$ C3 J5 |) Z* p
- .toggle-input {1 M. A' r3 l$ H; a0 I2 n
- display: none;
* \! Z( g8 E- {0 C. Q2 r - }
+ c: `7 B @: f; @ - .toggle-input:not(checked) ~ .toggle-content {
+ l0 C7 O, j6 ` - display: none;
. l, [% Y/ @& e: j - }/ R, {3 n* Z) |; O' [
- .toggle-input:checked ~ .toggle-content {+ D! x: I4 S+ C
- display: block;
7 f4 Q; r8 m0 B* u - }* V ^/ e5 r2 I" D- e/ M7 C
- .toggle-input:checked ~ .toggle-label:after {* @: J7 f, E; Y& y. }/ `3 D6 n
- content: "-";* w, R& Q+ E4 ]* j, ?) [. V! s
- }
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