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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!">
" i& C6 l& J. P& q5 B2 ^+ Y# l - Label for your tooltip
) @' H1 y& P. m1 O6 o1 K - </span>
复制代码CSS代码: - .tooltip-toggle {+ W/ U' m1 A0 S& I
- cursor: pointer;
; v/ m% ?2 L0 v& ?, Q - position: relative;, S+ o. u1 c0 K+ r
- }
7 j8 ~' c0 E: [- ~5 x - .tooltip-toggle svg {- u. o2 j& y' Z; {; F
- height: 18px;
, c, X2 G7 H) l4 ] - width: 18px;
6 z* m0 L0 p; }& K' W - padding-right: 0.5rem;! b7 |3 @% R1 o n1 k) \
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- .tooltip-toggle::before {( t3 U* `; Q: y2 @) R$ O
- position: absolute;8 H( q3 o( ~) ]2 C
- top: -80px;
n: d# q- B. s4 a - left: -80px;1 K; \0 N: ^/ J3 q( x
- background-color: #2B222A;! ]; h! d$ d% h* n/ k+ K
- border-radius: 5px;6 s6 ]' ^, s* ^4 m; s% p
- color: #fff;$ M( s, D& O5 z' A
- content: attr(data-tooltip);1 z4 \0 D5 z, c+ H) v- L# l, U! R
- padding: 1rem;& w+ c* x/ A$ g6 ^9 R% y
- text-transform: none;% M* _% e; a0 }7 ~
- -webkit-transition: all 0.5s ease;
- H { z( o& G& t- S1 G7 c - transition: all 0.5s ease; |/ T" ~# l: a, E5 V8 e
- width: 160px;
5 b" D" P! K' e f3 O - }
# M/ k6 u% l! P C - .tooltip-toggle::after {
) t; F0 y1 |! t( v" b - position: absolute;( v* {, f4 V9 c5 x+ U
- top: -12px;
, M7 N. x! B: Z- q$ i. ]% s* j - left: 9px;
5 n, @" L2 }8 g; |: n2 P3 d - border-left: 5px solid transparent;; K3 }, I& R3 |% A/ s3 c4 i
- border-right: 5px solid transparent;0 `; b# ^, F, v$ j
- border-top: 5px solid #2B222A;
' d H5 g" D/ M$ U* X - content: " ";
/ _* ?, Y7 J) B- f1 f7 ~ - font-size: 0;( L- P6 [3 N; N9 }" ?; V G
- line-height: 0;+ s8 ?1 k$ L! s
- margin-left: -5px;
6 X) S a% d; `0 l - width: 0;
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8 |6 @7 ]2 f5 `5 @0 w: J7 V( ^/ ` - .tooltip-toggle::before, .tooltip-toggle::after {
. D% k) X9 d0 t, G - color: #efefef;& n" T, Q x1 G/ ?3 M! Z. G: w! c
- font-family: monospace;1 c; l% V# o/ Y6 V
- font-size: 16px;5 `7 I( ?% S! y$ d( R
- opacity: 0;2 f u/ A/ \2 ?2 f' U
- pointer-events: none;
+ Y# ~3 G V+ M( q9 L3 l - text-align: center;
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2 |' Z; s/ `* a5 _. W - .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {
5 @1 S8 v8 X& i% t' E# q - opacity: 1;1 e8 _6 f3 t. a8 o; x+ r
- -webkit-transition: all 0.75s ease;' N, T$ I+ S2 t7 H! T* f
- 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">: z, C( A1 m/ i- }
- <ul class="nav-items">5 I, c6 R$ \; E/ v$ W
- <!-- Navigation -->; |: m4 E1 F. B8 C2 ?
- <li class="nav-item"><a href="#">Home</a></li>/ @8 o6 C! z) x: L
- <li class="nav-item"><a href="#">About</a></li>- ?9 E) }$ F& x7 d0 Y/ f
- <li class="nav-item"><a href="#">Contact</a></li>
( Q! D- l( D0 B - <!-- Dropdown menu -->/ \7 J, u+ u3 l
- <li class="nav-item nav-item-dropdown">5 f: |. d; q9 y7 g' b
- <a class="dropdown-trigger" href="#">Settings</a>
* [0 a7 O) a/ o4 ~, Z) o - <ul class="dropdown-menu">' m4 [% k2 e3 ?; M$ e8 \, n5 i# e
- <li class="dropdown-menu-item">1 m" Y- a! o7 K0 H% D' Y& S
- <a href="#">Dropdown Item 1</a>
2 U7 L$ k7 T m - </li>' f& N5 ~3 A$ D: Z, W9 N
- <li class="dropdown-menu-item">% B6 d! C/ {: S* @" ~0 z% V
- <a href="#">Dropdown Item 2</a>
8 B! V$ Y5 D H - </li>
' Q6 `' }1 |, N* S2 Z - <li class="dropdown-menu-item">
; f9 E3 k8 c$ ^% f* n" a9 p" x - <a href="#">Dropdown Item 3</a>' ~* c3 ~: x: C+ L" K
- </li>
/ w& ]' W5 V) `) V* R. i - </ul>
) ~# N z/ G' u4 V% ]) w - </li>) |; x) D. e7 u
- </ul>7 n1 m7 ~! w7 Y$ x, P& ^# K' K
- </div>
复制代码对应的CSS代码如下: - .nav-container {; {3 p7 C! B2 q
- background-color: #fff;
+ c0 M* `. @- T# U) R - border-radius: 4px;
# k% Q4 [. v+ ?) G - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
9 g1 k& c% B/ |6 l7 r - padding: 1em;5 _: ^8 f* ~2 j) c* Z4 |$ M
- border: 1px solid #eee;
4 N# `7 a& l; P1 D. K; J0 D1 L$ T - display: block;0 S' B4 D- H, i/ e1 r
- max-width: 400px;
. z% [8 q. b, G( K1 |$ x - margin: 0 auto;
5 y- e8 K! i+ M8 T - text-align: center;. d0 v7 T8 Y, B4 \
- }
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- li {2 `$ u' u7 N7 M9 F" f. h! v
- list-style: none;! V0 j* c# K5 s1 ^
- -webkit-padding-start: 0;5 _: x- a" @0 c% G8 {/ C
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- a {1 V( j3 f3 `; T
- text-decoration: none;
: E# H3 M8 ^) L$ F- { - color: #ED3E44;; |+ `0 \! Q, ?
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- .nav-item {4 m; |! G! w0 k9 O; f/ f- ~
- padding: 1em;
/ Q7 l, Y8 J# v - display: inline;6 N" H2 B4 X5 _
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- .nav-item-dropdown {
& s0 Y& x) [3 C7 o: C# `1 |9 b% d - position: relative;9 Z, ^% V9 \+ W9 {0 g- K
- }
5 S7 d {+ M' \. N - .nav-item-dropdown:hover > .dropdown-menu {
& F3 h# V6 l8 o1 l7 {1 T0 a3 | - display: block;1 i' ]( e' i0 d2 f# V& d& w
- opacity: 1;
' n! b- o$ D9 R: \% C& Z1 A! O5 ] - }
' }/ X" L% N9 E3 s- [8 L0 K. n - .dropdown-trigger {
+ k4 F0 i$ X" b - position: relative;/ Y4 x4 q9 S8 u( w
- }- S# i% G' u Y# o
- .dropdown-trigger:focus + .dropdown-menu {
) x8 m, C1 ~7 [ - display: block;$ ?, @: `) b7 w. _( i- e( }5 ~
- opacity: 1;
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& G1 y* t# e! i! }$ q - .dropdown-trigger::after {
( s; X8 G3 j8 v3 }3 T9 q - content: "›";
7 M% [$ p7 O' B G/ ?' ` - position: absolute;, {. ^# w0 l& v
- color: #ED3E44;/ K% F' ~$ g" S! M2 [. y/ a
- font-size: 24px;% g7 r% T7 |4 k
- font-weight: bold;
w4 |9 L8 L" O3 w7 I$ O4 a Z T - -webkit-transform: rotate(90deg);
5 }$ D: G6 q) G n# d - transform: rotate(90deg);) U/ @2 T! A( B8 m; C; J
- top: -5px;1 ]6 v4 t$ I( k, N: P p$ h3 d: m3 q, Z
- right: -15px;# v+ Z) s; A; `3 n7 x; h$ G3 P
- }
. f- W' t3 n8 f5 f2 y7 P1 M - .dropdown-menu {9 d* [+ m7 O% J7 x2 k0 `4 g
- background-color: #ED3E44;0 L* d" }8 G! O; K6 R/ v0 s5 w
- display: inline-block;/ |' A3 ^% [4 B
- text-align: right;2 e! c( o5 a# c8 X' y2 x
- position: absolute;
, r( C& o! Q8 s& j2 R9 E! w - top: 2.5rem;* B6 ` D$ R0 ~% a& G& e# q& h! ]8 l
- right: -10px;
; u5 f, n; P* {, {" C' y, N; f - display: none;# w% Q; X. Y- Y& k
- opacity: 0;" e. Q6 w, f1 ]/ _. K
- -webkit-transition: opacity 0.5s ease;
6 f* R: c/ e. N* @0 ^ - transition: opacity 0.5s ease;
N9 e* c8 h1 T$ Z - width: 160px;
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- .dropdown-menu a {
# {0 w+ [* j, \& g3 @, _+ v - color: #fff;3 p# `, V6 h9 s- [5 Y9 p5 z
- }8 a: J7 `1 p: I% a0 A4 f: K. Z
- .dropdown-menu-item {
9 q& S% s3 Z, J( y1 C; k% ^& p/ N - cursor: pointer;
! E& R* j P# s7 @ - padding: 1em;% B* ]7 q, u4 m$ @
- text-align: center;/ t, h/ t1 d8 E+ _" u
- }1 O9 E" ~, V2 I% y1 F
- .dropdown-menu-item:hover {
0 ]+ S+ q; q3 F3 _6 { - background-color: #eb272d;
: Z- v/ E' _3 V s g3 b( o - }
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/ E. W# G$ v" Q可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">* b- ?+ j: O. s& U
- <!-- Checkbox toggle -->
( V# T/ o* N2 X+ ?2 h0 A- P - <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">
) T8 f/ V: h6 ~3 m4 c- d* ?1 j - <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>, D. V& `. L/ n8 P
- <!-- Content to toggle from www.mfbuluo.com-->
5 y9 N+ T |4 i - <div role="toggle" class="toggle-content">
' G. A; ^% Y8 ?8 P/ Q: i o+ I7 W - BA-NA-NA-NA!
v1 N5 G+ O0 c9 t - </div>8 Y. e; z- }4 f! ^- l& m
- </div>
复制代码CSS代码内容如下: - .toggle {; D5 X" z8 w9 X) Y) _
- margin: 0 auto;- q3 C8 l8 h a* H$ i& a
- max-width: 400px;' }- h8 o2 f& p+ V0 f0 P7 W
- }- {0 ?/ z2 \6 }* \3 w& J( X5 v
- .toggle-label {
1 B G% {' C9 g9 i6 R; Q% `3 z - font-size: 16px;
+ A4 W( p2 |$ A3 m1 ?4 x - background: #fff;2 t& [) W* ^* B5 p5 g2 x
- padding: 1em;
/ g8 q) u- B T% m F/ E - cursor: pointer;
2 d" L6 n0 z6 O) A* c3 F - display: block;
& R* J) R: m L - margin: 0 auto 1em;. j4 r9 T/ Z- B- ?& G) v
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
7 e: i/ ?2 g3 p6 ~& \( N. | - border-radius: 4px;
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- .toggle-label:after {/ I( }% l' |1 f+ {3 t0 D w
- color: #ED3E44;$ e4 s# ~+ U8 P C
- content: "+";
3 v: X5 S1 G: c$ `7 Q& B& l - float: right;1 \/ S. [+ E) F; S0 c8 }* J
- font-weight: bold;$ z7 o4 O/ X5 k2 Z: J* I
- }5 Y7 y- |3 G) X1 B
- .toggle-content {
0 S; X1 d! _; a! w! f& Y: y - color: #B0B3C2;7 r. c6 g5 Y0 W1 Q c/ {3 k
- font-family: monospace;* G! [* o! Z! L! Z# E
- font-size: 16px;5 n+ ]0 W% q5 ^/ T
- margin-bottom: 1.5em; t5 G0 Q% a. o5 j) j8 `& C: B1 A
- padding: 1em;/ X h4 j8 h( }4 J
- }
4 w1 m* V/ c7 U N: c1 W& `2 n7 J - .toggle-input {" [4 k6 `+ x+ z! B/ C
- display: none;" f+ V" S5 V0 w" |+ ?- t. X& u
- }) e( L# l7 ]% x' ]* S% m' J
- .toggle-input:not(checked) ~ .toggle-content {- v: b0 {1 }8 \
- display: none;
z: A- ^1 V6 L - }
/ H f, c+ o' A% o/ l - .toggle-input:checked ~ .toggle-content {( X( Y2 Y* [; g c; l# r
- display: block;: h% w' w$ I3 |" I
- }
" A$ K2 v( [/ c - .toggle-input:checked ~ .toggle-label:after {5 K. H0 a7 k& d6 X
- content: "-";) v. n' F3 O% J! Y; v. e& c7 D
- }
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