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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!">. j; c- x- |. S
- Label for your tooltip
& x% e3 f' \( L# ]9 x/ N5 X - </span>
复制代码CSS代码: - .tooltip-toggle {, J }2 y8 m" e3 V( h+ J t0 t0 [
- cursor: pointer;
, i/ g- w& \1 ]/ h5 Q, P - position: relative;
. Y9 G1 e% {# M& h/ J$ ^2 y - }% X0 [; d* z4 V4 x
- .tooltip-toggle svg {
) _ ] ~7 z7 t; \3 \7 B. P - height: 18px;
! D' E i, z2 P. d: U* Q - width: 18px;4 u8 h( U( E& P, ~4 K( [' _
- padding-right: 0.5rem;/ [7 ~2 p6 ~5 s# y
- }
' s9 S) n2 s8 x% J - .tooltip-toggle::before {6 z' F5 J) k7 y$ r1 x% L' U
- position: absolute;% r# Q5 s& N- F! Z d
- top: -80px;
- f! @( r2 R, {3 [: ^ - left: -80px;
3 @$ a ]2 N# t. X - background-color: #2B222A;% t# i1 z+ c' m+ |9 j ~7 g8 ?/ G
- border-radius: 5px;! {/ f2 [4 h" Q6 D
- color: #fff;
. d9 O3 V) _# P$ w/ p - content: attr(data-tooltip);
1 o2 e2 T+ J3 V* r& { - padding: 1rem;
$ k+ Y9 P& B) V3 [6 c - text-transform: none;
9 t; f- q3 ~4 V1 f3 ] - -webkit-transition: all 0.5s ease;* g: ^8 d/ Z8 T' ^3 v+ K
- transition: all 0.5s ease;
) g, s* Q# B. b - width: 160px;" }" N# \8 I! `) m2 x+ f3 w1 P
- }
( j/ L4 X8 T7 f0 S3 d( i - .tooltip-toggle::after {. z) B8 j+ J4 u4 S
- position: absolute;
: E" l7 S, g- B7 [. ^- q! H - top: -12px;7 j: `5 b( @' U4 [6 L
- left: 9px;
3 E9 P* e( U( v( E - border-left: 5px solid transparent;* m7 |# ~' |3 b6 W h2 o
- border-right: 5px solid transparent;# T8 I @& p" q
- border-top: 5px solid #2B222A;
) l7 i u8 z0 J& V* d+ }& N - content: " ";% k$ Q, B; e) r# P
- font-size: 0;
3 `+ c' o) j; M" a - line-height: 0;
2 ]# ]5 m J _, h1 E! c& n - margin-left: -5px;0 n, ^ `) i5 C$ X8 ?% B5 ]
- width: 0;
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- .tooltip-toggle::before, .tooltip-toggle::after {
$ h; U( w4 Z+ V6 W6 f5 v3 ] - color: #efefef;8 r+ V6 R- {6 K" ^0 D- z
- font-family: monospace;
* j; ~/ i/ _. R( w( f4 x - font-size: 16px;
* c u4 ?/ a& J6 C - opacity: 0;( s+ G+ G; ?' s8 d* y5 X
- pointer-events: none;
4 F. @2 a# g f+ u! e1 J - text-align: center;
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2 c5 i, G- z& O; Q2 I) l' o; } - .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {
( d; {; G, E _% X. b - opacity: 1;" ?+ v: a& r9 w% e
- -webkit-transition: all 0.75s ease;: K7 |. ~' k8 U- K+ Q" k
- transition: all 0.75s ease;. `& G& E: ^' o1 {8 Z' j( ~
- }
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">3 R) l' D" U# P$ A+ L
- <ul class="nav-items">! l& k2 K4 Z. t! V
- <!-- Navigation -->! ^ r/ l1 x ]' V6 J1 a
- <li class="nav-item"><a href="#">Home</a></li>
8 ~8 P I& u+ j$ O2 x - <li class="nav-item"><a href="#">About</a></li>3 [2 f8 v' w! k2 Q Y9 O8 u) L
- <li class="nav-item"><a href="#">Contact</a></li>! A* ?3 a3 i% A! }5 c
- <!-- Dropdown menu -->
; k& @) N) }$ G G2 t - <li class="nav-item nav-item-dropdown">
7 y% q* f/ e: t' t8 R$ s - <a class="dropdown-trigger" href="#">Settings</a>6 N* e7 A$ P0 i* v
- <ul class="dropdown-menu">
- R. Q _& ?0 d0 P3 @( q - <li class="dropdown-menu-item">, |3 i$ Z; ]4 ~- _, p
- <a href="#">Dropdown Item 1</a>
! K+ B5 |; u+ H" I3 g$ { - </li>
9 a% h" g; m; j - <li class="dropdown-menu-item">+ s/ I& u+ v' ]
- <a href="#">Dropdown Item 2</a>* v& R% ^( h8 C! N$ f+ c8 U! J
- </li>
6 T' N" h$ o8 x6 f% o9 \5 Y - <li class="dropdown-menu-item">3 \5 {: q5 m0 T% b. k. P: D; l' H
- <a href="#">Dropdown Item 3</a>6 L3 b- b8 L8 m$ h0 [, }2 Y* }
- </li>
6 \9 ~7 T- t3 l8 o - </ul>
4 j" M3 r+ P# M3 L2 U( ~+ D7 q' w - </li>. t n0 C1 G1 o0 w7 M
- </ul>
. N7 |: v4 r/ n - </div>
复制代码对应的CSS代码如下: - .nav-container {0 p3 S: C) S( f3 [5 l, w W
- background-color: #fff;/ F* ~$ Z3 ~% }* C1 H: N
- border-radius: 4px;4 }: e* `- Z8 y& R3 ]
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
5 C9 L/ Y! d) Z4 i - padding: 1em;# M3 }8 m& I* r/ A& \3 T5 F+ |( w
- border: 1px solid #eee;" ^4 x+ j0 q$ H: ]: u
- display: block;
" R1 A- i* {+ f - max-width: 400px;( q( O! W* g1 Z. y7 ]+ |
- margin: 0 auto;
8 t6 l+ t$ | L r0 | - text-align: center;# L- ?; L' }! }& I6 s+ T4 I; o
- }
6 z1 g; Y$ f& U6 U6 r - ul,/ X, v3 p0 Z0 ?4 D
- li {1 _: c0 z G; q/ M
- list-style: none;
2 m+ n3 G+ s. D' H' e6 X2 j. D - -webkit-padding-start: 0;* a, @2 ^# e9 y
- }
6 ]! Q% D% w% c. j9 C - a {
0 g. Q1 o& t1 ?$ k' ] - text-decoration: none;' s+ h4 b6 S V0 x0 N! b# g1 t5 ^
- color: #ED3E44;
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" X1 z3 ]( m* B. X3 e: v) f: [) F - .nav-item {7 J! K3 U8 F _' W7 n+ q
- padding: 1em;9 t, \$ x! C% j. Y' ]2 M
- display: inline;" ^( b7 n/ h' @" k
- }) q8 f) e9 s8 ^& B
- .nav-item-dropdown {7 ~+ z0 i6 x& j) o1 H: S) S
- position: relative;
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5 \# A% C$ P: H0 F - .nav-item-dropdown:hover > .dropdown-menu {
+ e }9 ]) T* W' g+ X - display: block;
" a% a- L8 L+ ?4 _ - opacity: 1;% s. ~! |) |8 q/ q
- }
8 m8 [6 r( z/ h e) \, G - .dropdown-trigger {" t( u0 g2 W0 _
- position: relative;$ Q6 X! t* }0 C( n* d! N
- }
0 A/ p* s; f. C) M - .dropdown-trigger:focus + .dropdown-menu {# _0 U( a, Q" u; I$ q4 T6 @
- display: block;
8 s1 m1 R5 y( B9 j - opacity: 1;; E6 ^: p$ h9 O9 K0 Y$ r
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- .dropdown-trigger::after {
K( S% j. I: d* }) { - content: "›";/ d& a. J" M% I, X
- position: absolute;
6 F7 ]3 H5 `9 [/ m - color: #ED3E44;
! T1 H+ D# o+ Q) e; U9 {; I - font-size: 24px;4 ]- q. r* h, v! n: ?
- font-weight: bold;
7 B8 [9 A1 P. l) L - -webkit-transform: rotate(90deg);
' \0 z1 S7 I% N' W" W, i; B - transform: rotate(90deg);
j( D$ l& l9 t/ c - top: -5px;
* w% g$ E0 }# V% m - right: -15px;
: |% b- y* G9 d' \$ ] - }
3 j7 _) ]' \) p4 {- D - .dropdown-menu {) ] @ [' }( ~% L5 P
- background-color: #ED3E44;6 r# A8 ]! a @; V" V/ H$ _
- display: inline-block;
. w. G; n' l, q& Q5 ?; D - text-align: right;( o/ N" `1 e l0 { b. S1 l
- position: absolute;
2 g; C& p5 o* E' J: s! F - top: 2.5rem;
u4 h' D% c' y9 z8 C1 Z+ L; @ - right: -10px;
: l( C4 u) }, T; D0 | - display: none;
' \* x6 h6 p& G - opacity: 0;
, q [& u% t% t( h& c) O9 D: Q% ~ - -webkit-transition: opacity 0.5s ease;
; E( F6 Q3 q) {7 t$ ~( B - transition: opacity 0.5s ease;
8 Y2 i) o+ I: _! W - width: 160px;) T1 @/ l# X! i, m+ i9 X0 }( P
- }
# ?, q& c1 P, t9 m: S: O - .dropdown-menu a {2 _/ b$ f, v. I: Z) C f
- color: #fff;
& Q# {, O1 j5 |4 |5 g' L) T5 e; q* a - }
, l- E+ k& u: D' E* ~ - .dropdown-menu-item {9 u/ \" n( Q; {3 R
- cursor: pointer;* N+ p. Z. |" c8 N3 l' @
- padding: 1em;% }; M0 |# F7 ]) v3 d0 V
- text-align: center;$ H) }- }+ D6 L9 c! n
- }8 L/ l, {# P! e P/ }& Y A4 i
- .dropdown-menu-item:hover {
) y+ H" @$ R; E1 L$ D - background-color: #eb272d;
" Y$ H' e V/ m& s - }
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/ ~# I3 I' @ O可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">/ ^0 l' E( q/ e- @8 a3 J) p
- <!-- Checkbox toggle -->6 C2 P7 ]/ X& n* W/ N
- <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">
( W) h0 S9 M% P - <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>7 [9 Q& ?5 p* J8 c) Z
- <!-- Content to toggle from www.mfbuluo.com-->; l3 F3 M( `+ q6 Q
- <div role="toggle" class="toggle-content">- K# T" o [% {% S0 D0 ^
- BA-NA-NA-NA!
, }" ~4 K' i# G# u- f9 n! B - </div>
/ W" S0 E2 W% c+ u2 n) h& J% w0 { - </div>
复制代码CSS代码内容如下: - .toggle {8 G2 E7 T4 s: r% r
- margin: 0 auto;
& v+ |; F: q3 f& i1 w - max-width: 400px;0 v/ s' {: K9 m! \/ a: b
- }
, r5 z7 M* j* {9 d7 k6 Q, l- o - .toggle-label {
. q$ D4 Z o- c h3 d - font-size: 16px;/ A' a1 |$ K2 j ]7 H6 t
- background: #fff;
# \8 z2 S% t3 R& \ - padding: 1em;
. C; l w/ S- m+ P! U a - cursor: pointer;
; R! Y( k2 ]& A* C( N$ e6 F' W, N - display: block;* x) q0 Z& ^4 D
- margin: 0 auto 1em;2 q$ M" i1 I# q2 @8 J) ~3 ^7 C
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
4 x4 ~% s- ], d" q - border-radius: 4px;4 i3 j# ^$ x1 j' ?$ k- j
- }
: G; x0 h2 A' C: S4 |! F/ o6 g - .toggle-label:after {
* Y8 ~& l$ m9 N& t/ C! U% O - color: #ED3E44;! R" e$ a. A* N8 H4 h
- content: "+";
" v! ?: p: v9 J. S+ F/ [; k8 ]6 _ - float: right;
) {1 M: @2 r: j2 |, @' ^ - font-weight: bold;
$ v. E* z: q! R% v1 O6 B/ D+ ?" n - }# d/ U) j2 U1 X- O+ @
- .toggle-content {9 G8 ]8 Y8 z1 w* i, m% C, I- ]
- color: #B0B3C2;+ g- |1 t& R4 {6 P& q
- font-family: monospace;
0 }, Q( x8 r: N" Z: b - font-size: 16px;9 H% |" D/ g1 v2 Y7 S
- margin-bottom: 1.5em;
; T2 A3 S' y' O8 D4 [9 ] - padding: 1em;& V- j- ?$ A3 d! I% e. s* s
- }9 b; G, P9 t1 Y( K( ]2 q3 V" B
- .toggle-input {3 G4 o7 K4 g' Z) G! v) w, ]) L) A$ h, ?
- display: none;6 u! w; z! S9 S: j C: p) I
- }
; U x& d& D6 j0 X! k+ O& z - .toggle-input:not(checked) ~ .toggle-content {
. p- ^( X' Y- [, N( e - display: none;8 J( {/ i+ p$ E0 t1 T2 \
- }' H4 N) m+ e" c
- .toggle-input:checked ~ .toggle-content {2 O) S8 \1 g( B% V8 K; Y- ]( f
- display: block;
6 Z+ J: ~: }7 E - }: h) o, @: E, [8 C7 [+ a
- .toggle-input:checked ~ .toggle-label:after {! j* L/ [3 l2 o" E7 b
- content: "-";; e. `7 J5 p' Q, Q! a: ]
- }
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