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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!">2 S( a! }/ C" u2 u; l
- Label for your tooltip
: J1 ~; c! l' F1 g" ~, P5 A9 v( R - </span>
复制代码CSS代码: - .tooltip-toggle {
: [" z, z( I2 `/ p9 i+ P - cursor: pointer;
$ E; r8 I5 h' P0 s' ? - position: relative;7 }& a0 K8 o* q2 P# D6 m/ ]
- }
8 I f9 R0 k) x1 F - .tooltip-toggle svg {8 q! q/ ]7 x) Y7 h" y0 b a
- height: 18px;, e' X; O7 b! R3 h. v8 D, C
- width: 18px;: R! F* w' R; u, o
- padding-right: 0.5rem;2 Q5 L' o* c0 w H/ `6 }/ O
- }
- D" c# v& \7 T! `) K0 \9 x - .tooltip-toggle::before {
% V! G6 {: P+ k' @6 S* x - position: absolute;0 W7 d1 w/ G" @/ D# k& H
- top: -80px;
* g* D( v/ S+ b" b5 @& @ - left: -80px;. `, p' c: |( h* B% e' M- [
- background-color: #2B222A;
- m B- r8 T# Q* F, l7 c! _1 h: _ - border-radius: 5px;
& r3 h+ v% a6 O3 r& t - color: #fff;6 c1 z4 n7 v" @- b D
- content: attr(data-tooltip);
8 c2 g% [3 H. o9 O0 x. n - padding: 1rem;
; [+ P4 O! D/ ?9 d7 L - text-transform: none;7 k" g! f0 P$ F3 u8 T6 u# i
- -webkit-transition: all 0.5s ease;1 Z& o- ?$ N2 i" L9 t% d7 y
- transition: all 0.5s ease;
' S, k6 `3 _* g! o( j5 a - width: 160px;
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- .tooltip-toggle::after {9 b% G0 N5 e9 m j# O
- position: absolute;
/ ?. ~ B0 z/ g0 }8 f7 [ - top: -12px;
, o4 [4 z) @/ }* I) Q - left: 9px;
- O0 J& y& @6 U - border-left: 5px solid transparent;
( [5 O ^) F/ ]% u - border-right: 5px solid transparent;
) u& C6 d" t) k' g [7 t# `8 @# G - border-top: 5px solid #2B222A;' k% K1 f3 T+ A/ i( _! R$ q; M/ ?
- content: " ";8 K' J- ?; q4 l$ q* H7 `* l7 m4 f
- font-size: 0;! R7 g" h6 v4 _+ i1 c
- line-height: 0;, z. L5 m# {6 Y/ m. X
- margin-left: -5px;
+ K4 X+ r) Z* z - width: 0;
; C" {% T' c/ ~ z* d0 V - }
4 {$ S3 F+ P8 }% U' U - .tooltip-toggle::before, .tooltip-toggle::after {3 }& f* h0 O- J6 A' q
- color: #efefef;
% r& B+ b0 Z" @' h9 N - font-family: monospace;+ d4 L" K1 z/ E W' W
- font-size: 16px;$ I7 J" C# I5 T6 R/ w+ i
- opacity: 0;
3 `, d. T3 ]+ [$ X- f - pointer-events: none;
7 w0 p" F: E ?: l' _ M - text-align: center;' m: t: j ~5 |4 J" }7 t
- }2 ?3 m6 |; q1 q
- .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {! a: g" o7 q+ O* R: P7 o! C1 [
- opacity: 1;4 d' z1 L5 g! N
- -webkit-transition: all 0.75s ease;9 q* f+ q6 r, j6 X2 K0 s& e" x
- transition: all 0.75s ease;0 d& y& Q! v% _: w1 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">( q& x* Z9 r* D4 }% p3 D- f$ V! z
- <ul class="nav-items">4 `' T2 I$ s: l8 x$ R; V; h
- <!-- Navigation -->4 @+ F/ f! l' Y9 l T' I
- <li class="nav-item"><a href="#">Home</a></li>
/ B3 V5 H5 `/ _ - <li class="nav-item"><a href="#">About</a></li>
) T8 {4 ?9 n1 h" N: f) q - <li class="nav-item"><a href="#">Contact</a></li>
8 ~6 n5 E }5 \; w# L, p# L. `9 r6 f* ^ - <!-- Dropdown menu -->
9 E7 q4 z$ y/ n% }' i9 C1 H - <li class="nav-item nav-item-dropdown">; S+ r! I, S" w
- <a class="dropdown-trigger" href="#">Settings</a>
! @$ ~- F+ f6 p7 M; ^4 Y - <ul class="dropdown-menu">/ r2 a/ e4 ?7 i! z# e4 w. n4 E! R
- <li class="dropdown-menu-item">
6 J8 i* r0 S3 {# [* i6 l" W A3 J - <a href="#">Dropdown Item 1</a>% M8 Q4 g. q; y2 G" s: S4 t0 }
- </li>
1 j! H2 e# h- ] s( c - <li class="dropdown-menu-item">& r, E; k6 ]5 U+ A
- <a href="#">Dropdown Item 2</a>
; @9 {* s% ?& D - </li>; C& q: x# P1 t3 v L& K
- <li class="dropdown-menu-item">
4 _% k/ @& P7 A5 V) t - <a href="#">Dropdown Item 3</a>
) p3 ^# P8 Q; o/ t K4 y - </li> {( J! ~" s& D
- </ul>
' F3 \5 j1 b6 i# i- f - </li>
. \- K X) i9 B: `4 P - </ul>
+ _' A, D* @; |( { - </div>
复制代码对应的CSS代码如下: - .nav-container {/ A8 h0 d9 e/ v5 @
- background-color: #fff;
8 {% f. \. g1 ]# b2 B - border-radius: 4px;
# U( B% d8 v6 v# P$ t& d - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
0 [+ c1 i, C$ O) g - padding: 1em;8 v" W- [& m) a% W/ r
- border: 1px solid #eee;
9 S% Z2 X$ b; R - display: block;
7 J3 A2 E, t' r9 j y0 R7 Z% z - max-width: 400px;
* `, P8 P6 i( u2 [+ C - margin: 0 auto;9 S+ p- q* T! O1 C' N
- text-align: center;1 k$ E0 I! ?8 B- I
- }6 A9 j) k, u6 M- i1 T3 M4 F. b
- ul,
$ D# Q4 W! H* H; S( P; p1 q - li {* d4 D2 L; c4 x' I2 S
- list-style: none;5 E5 Q& n& e$ ?9 t5 m& L+ t
- -webkit-padding-start: 0;& o7 u- M9 z" h) `& j
- }3 t* w+ `# T) z+ F9 n( g! i
- a {( a1 ]+ b' n( x
- text-decoration: none;
+ g& {& E8 N" K8 S5 b. y( w - color: #ED3E44;
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- .nav-item {: O' I9 S# C, m+ q }
- padding: 1em;
~7 e. o( B* i3 p8 d - display: inline;' ]5 i) g+ m7 Q C4 S( a
- }2 x" {2 x9 q1 }
- .nav-item-dropdown {; l4 {- B7 q6 @1 H3 e) n6 C
- position: relative;7 J: W! n! |' {% n: K) P
- }, N: I1 o2 C6 w
- .nav-item-dropdown:hover > .dropdown-menu {
, u3 [1 g; V3 W4 G2 J: c6 F0 }* ` - display: block;
# P8 l0 H) }- M- q7 l$ f# P! c - opacity: 1;
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- .dropdown-trigger {
7 s8 ^! s( e( e5 K' h" p. }, ?3 n - position: relative;
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- .dropdown-trigger:focus + .dropdown-menu {
; Z" ~ L9 n3 E. j: Q - display: block;
& r, o) R* `- u+ Y8 u1 R - opacity: 1;
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- .dropdown-trigger::after {
( x1 O: [5 R* {. K: N5 c' n - content: "›";9 l1 q+ l6 q8 T! N
- position: absolute;
9 `& Z" c: F5 o - color: #ED3E44;% `1 M0 X# V9 [( H1 p6 u9 C2 d
- font-size: 24px;) \" Q, B6 `& I) { Q
- font-weight: bold;
6 V3 I7 B8 z( j: Y. q$ f - -webkit-transform: rotate(90deg);
% _- o: [& X Y6 W6 f - transform: rotate(90deg);) p: }) j; A3 Q8 A* Z
- top: -5px;
1 V. P0 K5 e! |. ^' b, @ - right: -15px;% Y$ Q5 d$ J5 n% ?
- }
- j6 h6 v1 @, z: u6 r3 n - .dropdown-menu {
6 U# r; S A! B) Z, z2 Z$ A8 Y - background-color: #ED3E44;1 u9 T# R( B) m6 a1 n) L
- display: inline-block;
1 z4 Q/ r* S4 v9 {3 L - text-align: right;- @6 [& K0 `) P: |
- position: absolute;* T( Q; F& P" v/ r( V
- top: 2.5rem;. ]1 c. m: C; O5 J5 |
- right: -10px;
1 Q$ z; C: i2 h6 { - display: none;5 s, b$ G3 j* k1 _3 x+ j# z7 Y: B2 `
- opacity: 0;
" S8 Y+ \+ p4 Z& x. @& T - -webkit-transition: opacity 0.5s ease;; F# v P! p V: M" P1 I
- transition: opacity 0.5s ease;
1 H" X* g1 X% L# n - width: 160px;$ Q8 t4 S3 G) j* X R7 m
- } E, X5 N- P+ h8 u
- .dropdown-menu a {
; q: y/ S) T1 A* U - color: #fff;
4 O. B$ j1 \0 S# D# ? - }1 l% C6 c" e6 |. E* {
- .dropdown-menu-item {, r! X' K/ o8 Z
- cursor: pointer;. P: G* o3 `* e2 s
- padding: 1em;
% `; Z) J! e: y- W" i: j4 K - text-align: center; x& O" i% j' \( G% {
- }* ~) T0 e; Y5 x y1 ~ {% x: [6 T
- .dropdown-menu-item:hover {) v9 S# A* r9 s7 X! W5 t
- background-color: #eb272d;1 v$ ?1 H( \/ h" T+ H
- }
复制代码 ' n5 j4 u/ L6 m4 t! h0 ?
可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">' Q9 [; G* `: P( ~$ [6 |
- <!-- Checkbox toggle -->4 U. Y4 C) P7 N; }
- <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">4 W6 U6 l8 M8 v, _0 {
- <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>
# h/ z9 Q' v7 u) }" _; k' l - <!-- Content to toggle from www.mfbuluo.com-->6 v- a8 j* \% h! m( Z& E
- <div role="toggle" class="toggle-content">( P) b" k: v* h n
- BA-NA-NA-NA!
1 Z9 Y* u0 N! v( n8 s# L# b3 Q - </div>
( X- m: Y$ Z# G0 E2 s5 e - </div>
复制代码CSS代码内容如下: - .toggle {
- e0 e, E0 g, m' F - margin: 0 auto;% Z* _9 i2 _# w
- max-width: 400px;& C5 r5 m8 M& N/ t) q
- }
( R6 U2 N# b- R' F0 e% c c/ b - .toggle-label {! ?5 |# U- u& O7 x
- font-size: 16px;
& M4 K5 t. M6 e2 _, g0 C - background: #fff;
0 x: F, A2 Q& M+ t3 X7 d* T3 |5 n- J# X - padding: 1em;
* t1 l! ~$ h& I A% R - cursor: pointer;
) O4 w3 v. H4 N4 } - display: block;, [" o; a" S2 _' V* ]: ^" |
- margin: 0 auto 1em; P, m0 X8 X3 `6 X# d, O
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
5 L, g6 Q0 j5 @: n8 k- x - border-radius: 4px;
+ u1 M$ \" U0 m# ~ - }
. {+ N" z$ J- q( x - .toggle-label:after {3 X5 y, t) t5 A) u1 q; h" y! X
- color: #ED3E44;
5 ?$ t: D# w9 j7 `! ^3 d - content: "+";& _* \4 J. i! p; I' N
- float: right;# S+ V! A' K% d. r* [
- font-weight: bold;
6 C( W( L2 j( K& n) X - }
0 w/ s& Q! Q% Z& B9 U" n$ @ - .toggle-content {
; i( ?/ C' ^6 U+ j - color: #B0B3C2;
6 h- S _. ]* f& f/ C - font-family: monospace;
$ F0 ?+ N: n% a$ n" A4 b - font-size: 16px;
% q R) ?! S, u1 J. s0 \ - margin-bottom: 1.5em;
/ E0 L# }1 k: f" y q' q - padding: 1em;8 w/ b3 w8 _) d# G8 c: k
- }
: p5 ]" o- T" @7 t6 k# a% U7 }# W - .toggle-input {! c# n p6 K1 @, I# d
- display: none;
/ x8 w8 Y/ y1 L3 }0 G: S2 i - }+ r0 Q! m) ^2 A9 m
- .toggle-input:not(checked) ~ .toggle-content {# d% S( V) p+ n8 k* y5 O2 ]# W
- display: none;( G7 ]6 \$ ^* s& c* O
- }! |) P. i1 o( Y9 k
- .toggle-input:checked ~ .toggle-content {
4 E8 i9 M3 E8 x1 j% A7 m5 p - display: block;
: ^' o! a3 y% s s5 Q( [4 ^ - }) ~$ q& D/ @) i1 J8 q. ?3 i
- .toggle-input:checked ~ .toggle-label:after {
0 g0 u9 P/ _6 M& A7 }$ \ - content: "-";
' V, ^. T- J3 l - }
复制代码 & {4 Q! T- T) Z0 r
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