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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!">& e1 Y/ i3 D! ?* B3 F
- Label for your tooltip
9 h* h2 O( C4 Z! I: y - </span>
复制代码CSS代码: - .tooltip-toggle {
[+ K s7 w) f/ k8 K5 I; d4 n - cursor: pointer;6 Z1 }* s0 L1 [* u4 S, x
- position: relative;* L/ c \# _+ x8 V" T" u
- }( w% H! t0 [( T, _4 C0 U- r
- .tooltip-toggle svg {! M5 i# k+ w! b9 o
- height: 18px;$ H# y' W) ~% q8 b3 d4 b* u
- width: 18px;# E9 O" q2 b& p- Z* `9 R; w/ e
- padding-right: 0.5rem;
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: g7 k y2 {" X - .tooltip-toggle::before {) p( w5 S: l' N( R4 W
- position: absolute;( H- A3 N. p5 {, ^! R4 c
- top: -80px;
: y- n. `* m* N0 \7 i0 y: S8 @6 Z3 r - left: -80px;+ j, {! w, O& ]: z& J
- background-color: #2B222A;
" D G' t* T7 F% |* B& a9 l - border-radius: 5px;" n3 g* a" H4 E
- color: #fff;, u% M" A5 }0 L1 [& m& z: J6 X
- content: attr(data-tooltip);
& S6 W3 f3 }7 ^9 K2 {* p- w8 j3 Y+ _ - padding: 1rem;9 j- D" p8 ^ _! L1 a, J
- text-transform: none;7 }: \" s [# p X
- -webkit-transition: all 0.5s ease;; p8 G3 P& w( a1 a
- transition: all 0.5s ease; @+ {! z" E4 j" F7 Z
- width: 160px;1 t3 s) _, s! T! {" P
- }
6 h/ u8 x1 w5 V - .tooltip-toggle::after {
& \+ c. n# L1 [; K - position: absolute;4 @- V, p# V' k& _8 q6 w
- top: -12px;
9 M% ]9 F( p' P: w- E - left: 9px;
# X& q; B" C1 P V$ ` - border-left: 5px solid transparent;
* {2 j& a- S; a- \ - border-right: 5px solid transparent;; L! |8 f& N8 u4 e
- border-top: 5px solid #2B222A;
* O( l) Y/ [; `, Z% l( ~" L; d. j: N- q6 o - content: " ";
; c7 A- l* h5 e# \, X - font-size: 0;
b+ W- _8 n& k8 d" q - line-height: 0;- V* }' r, y) O) `1 t& Y
- margin-left: -5px;
+ d+ t2 ^. X1 R I. f3 n. \ - width: 0;
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- .tooltip-toggle::before, .tooltip-toggle::after {/ W) O0 n, C, E- U" c1 {0 Z- X7 A
- color: #efefef;
+ k1 v1 R0 b+ K3 _9 `, k9 l9 V( a - font-family: monospace;
" B5 ~3 Z$ m( A( d9 x1 M5 M* Y9 W - font-size: 16px; h( V+ y/ ?$ {& s" A
- opacity: 0;
* p- }, x l# B" z+ e - pointer-events: none;
) d% o/ T4 v. t, S" J - text-align: center;
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5 E2 E9 ]# ~% t9 X - .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {2 B$ Z( j/ H6 N3 f- i
- opacity: 1;" M' w) F+ |. \" N" B
- -webkit-transition: all 0.75s ease;
5 K: y: @/ O3 n# l# Z+ r - 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">
' d4 m. _3 F+ a0 U7 P& u - <ul class="nav-items">
, @1 Z) | f8 q2 k2 d - <!-- Navigation -->
* n- Z- O3 B9 s - <li class="nav-item"><a href="#">Home</a></li>
$ C2 \! \+ h" S/ A. M - <li class="nav-item"><a href="#">About</a></li>
# ? V8 e# O2 B: m, P - <li class="nav-item"><a href="#">Contact</a></li>) T% G/ {- t' S; z( m' b) r
- <!-- Dropdown menu -->
2 l5 S; n4 i/ ^ |) g5 V% c - <li class="nav-item nav-item-dropdown">0 S3 A# g2 t- u [1 t
- <a class="dropdown-trigger" href="#">Settings</a>: a+ ^+ _+ L7 }% g
- <ul class="dropdown-menu">
/ W$ n- n9 j& M( [2 ] - <li class="dropdown-menu-item">$ D7 ~ q3 F2 p( B( D
- <a href="#">Dropdown Item 1</a>
H4 c: v) D! m6 P" r - </li>
3 S( h7 r# }# k' ? - <li class="dropdown-menu-item">7 G; y; S/ [* [3 C5 n* C2 q
- <a href="#">Dropdown Item 2</a># h( k0 V* q, H2 }( ]# v# o' u
- </li>
+ u$ j0 ?- J! f7 m9 M - <li class="dropdown-menu-item">+ F( W; g. d4 a$ ~" C8 g
- <a href="#">Dropdown Item 3</a>
# m3 T' X" v. w& [0 W - </li>! x* ~% S" ?2 Y; P% U0 A# ?
- </ul>3 D# n$ U. n. a; s; i; m
- </li>; b" R& |/ M/ O& D% h/ D3 }
- </ul>
3 {# R# H! x& S; h+ y - </div>
复制代码对应的CSS代码如下: - .nav-container {
2 f! ]6 a3 t& O h6 K/ ?& L - background-color: #fff;$ N7 t7 x4 \5 E/ S( m% {+ f$ ^$ j
- border-radius: 4px;' _+ r1 b, i5 V) z
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);/ M& E' t2 H( I: \' O/ D
- padding: 1em;
& Z5 s' {1 q4 z1 F5 r2 e9 z4 ~ - border: 1px solid #eee;) j( o8 F# g" Z0 k2 ]6 w* G/ ?3 t
- display: block;
7 k" X) i+ O& c0 Y( G4 z5 |4 N& K - max-width: 400px;" S {, N3 A2 p4 b7 ^
- margin: 0 auto;
; T6 g% M7 r2 r9 D6 s! Q* J4 X" l6 O% C - text-align: center;
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- ul,
0 E6 q( v7 K: s+ F% u6 P$ ^0 x - li {3 [; o1 x. a; D1 j$ v
- list-style: none;
1 p [1 b, D- b1 l) s; ]' t - -webkit-padding-start: 0;
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; u8 h- b m$ r5 n3 I8 K( V - text-decoration: none;; P% U/ M) V6 o! R; u; l9 _
- color: #ED3E44;& [- w7 M2 m( \2 y
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- .nav-item {" l4 l% ]9 ~; J: c: Q
- padding: 1em;
$ j9 F3 D8 M& n$ q/ _ - display: inline;
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- .nav-item-dropdown {
! {. y0 Y" R5 f( F# u8 l - position: relative;9 C# J: x5 s+ A, W6 Q2 Y& ?5 A
- }
: F. n. k' r3 U( _ h - .nav-item-dropdown:hover > .dropdown-menu {
" d& ?' P- o* W/ `0 n8 q - display: block;( G! b3 r7 a) v
- opacity: 1;
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- Y1 S. n' |0 H: y; N9 A" `4 H - .dropdown-trigger {
% Q' f9 e# K E9 r9 n - position: relative;
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- .dropdown-trigger:focus + .dropdown-menu {
) W2 X7 n& Z$ G% M! h5 B8 l - display: block;
0 A& m3 d' L1 I7 R* x - opacity: 1;* F! o4 I% j/ n, ], M4 i
- }
1 U; @1 r; D7 s' o, l9 u7 [9 t! O6 k - .dropdown-trigger::after {2 _! h. M2 Q( S! `- |: X0 R5 F
- content: "›";
1 f/ Y+ I3 V6 |) B1 ]9 s5 c o, R - position: absolute; _; H+ _8 w2 E$ ?
- color: #ED3E44;
0 B) Y" ]! M+ I1 G; r - font-size: 24px;
3 L6 Q ?5 r6 o' R0 v! R, j9 S - font-weight: bold;
: l8 P$ G1 ~, u( k$ R) X. F - -webkit-transform: rotate(90deg);) ~' ?0 S7 j8 w* E$ i& I
- transform: rotate(90deg);
) Y( C+ c4 `1 i" z- q' w - top: -5px;
" V/ a7 P% [/ n8 f; v - right: -15px;
4 c9 A; c1 K, a$ L- I0 U - }
# C2 G5 ^- L# p# V L - .dropdown-menu {
2 t- o& w; r' Q - background-color: #ED3E44;
& }& k: X: C0 t - display: inline-block;9 w# U* k& ~! z6 m
- text-align: right;
$ M: D; l2 ~7 B0 | - position: absolute;
8 ~% L) |: L$ L# k$ M1 k4 h - top: 2.5rem;4 `& ~# t4 @6 u
- right: -10px;
8 G- L' z5 B' r q" M9 [ - display: none;
' i8 p8 _& w K$ t - opacity: 0;
/ N# }; S) z3 O' h5 {6 z - -webkit-transition: opacity 0.5s ease;
. K0 I% [$ D1 G. E - transition: opacity 0.5s ease;! ^; U0 g. }) N+ O8 Z4 ]
- width: 160px;" _( o* z! l0 F/ t! b
- }
+ F& @# _- p: c1 V8 y% I7 K - .dropdown-menu a {' \4 G3 @7 T2 {" u
- color: #fff;
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- .dropdown-menu-item {+ z- D# t2 Z' e: w4 ?1 Q
- cursor: pointer;
1 a) I7 e V& `; z9 r - padding: 1em;% G! a( d$ g) D0 v3 ?. f* l
- text-align: center;
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- .dropdown-menu-item:hover {
, b3 O' I. e& K+ Z" d& E - background-color: #eb272d;, E: A1 ]0 }3 c- v/ _$ R
- }
复制代码
! l' Q! H% T' q6 Q+ C7 `! R" _, R可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">4 [! h8 j0 c; s& H6 F0 j# ?
- <!-- Checkbox toggle -->
( v9 p1 v; ^( q+ J [* z: i+ e - <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">! N, h' t+ X( b3 I
- <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label> y: p. U! m3 A
- <!-- Content to toggle from www.mfbuluo.com-->- O1 P6 q+ D' F" i
- <div role="toggle" class="toggle-content">- W$ c) A# @. J0 }0 @
- BA-NA-NA-NA!
( ]! H: M7 f/ {; O' ?0 u5 `6 k - </div>, Z. m5 w8 f) u6 l* X
- </div>
复制代码CSS代码内容如下: - .toggle {( b' B( ^( S. M! p
- margin: 0 auto;# ?3 E" ?' d3 n# }3 I
- max-width: 400px;; K1 X$ y8 }( u; t! u
- }' f7 n, N5 o- `1 b! Z4 _
- .toggle-label {8 o: u* w2 F& M, m0 K/ m
- font-size: 16px;- {: \# q: Q& R+ o! c) ^; e/ C2 N2 m
- background: #fff;7 Y/ p) o5 D! k6 @) u+ a
- padding: 1em;$ \: F9 @& s- f, P) R W5 m2 |
- cursor: pointer;6 x5 M! {! W# q1 R% \' s
- display: block;( b$ q3 [2 t. l1 a2 T% z S. k
- margin: 0 auto 1em;
% V% @' h9 _( w; o0 e: c - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);/ A# j& C- u) [* x
- border-radius: 4px;% S: p1 o6 c9 u* {8 F" J2 l$ Y
- }) ~$ j% D( G8 U0 Q. A
- .toggle-label:after {/ o5 M/ t* y; y t
- color: #ED3E44;# @; V8 A2 |8 r) j! y
- content: "+";0 j' B- b: B# |
- float: right;- q; p0 D3 s* m' z4 ?) [) C* r0 p) {
- font-weight: bold;
% B F3 s B! p% B - }
/ P4 f- w$ s4 f5 v# d" C - .toggle-content {5 s# @, x" i7 v
- color: #B0B3C2;
) ?; w! s/ N5 v+ d7 N! [ - font-family: monospace;$ X+ P! y, r0 G8 i
- font-size: 16px;
/ V3 R3 v& W* m6 G* q$ a - margin-bottom: 1.5em;
[: @6 k0 V1 L - padding: 1em;
5 C" B0 f0 f" V6 h+ d; N& y; p - }0 k2 C5 \. E n# x
- .toggle-input {
O# q1 Z4 P" F7 ~" a; \! G - display: none;
& `9 P! S3 a6 z. z - }
% b; ^5 F0 ^9 ]2 e - .toggle-input:not(checked) ~ .toggle-content {0 E7 Z G8 }2 l3 g4 R4 Z5 H
- display: none;
`+ V _1 {* o5 { - }2 }% a0 E, B* y' z! {! q
- .toggle-input:checked ~ .toggle-content {
' T* ^% O1 n( f - display: block;
" E/ _- N* h, J1 K0 w - }
; S) X! } U, H5 _ - .toggle-input:checked ~ .toggle-label:after {
; T' i0 ?+ D K: r& w - content: "-";. m2 V# K F0 g* v" E* \! Z
- }
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