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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!">' S/ u, i+ f7 E% W6 o' L
- Label for your tooltip* |# Y0 c' ^% j0 p
- </span>
复制代码CSS代码: - .tooltip-toggle {
0 }0 @7 ? E9 B! J7 _2 [. m$ ] - cursor: pointer;- W& Y" _" J, O( r
- position: relative;
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- .tooltip-toggle svg {" ]; S+ G0 M8 I8 {
- height: 18px;
! }$ ^: N$ B$ n8 o+ z - width: 18px;9 k5 G8 }0 }7 h
- padding-right: 0.5rem;8 [, N# s& I* L: K5 M; T$ n5 @
- }, c% r, x: x4 G! t5 q
- .tooltip-toggle::before {
1 D) ]2 b" h8 G/ f1 K - position: absolute;
& E. f' y& X1 n6 [* C9 X" e C7 I/ M - top: -80px;
2 I" d$ y$ q3 m' ]# ` - left: -80px;: e5 r$ u/ F' d
- background-color: #2B222A;
% d" G7 ?1 E3 A) v. u' i - border-radius: 5px;' B [% P* Q: a3 r
- color: #fff;! B @1 D& H% l
- content: attr(data-tooltip);3 C- f1 m1 ~2 _+ b. ^$ {! X/ f
- padding: 1rem;7 u5 Z* `! m, I/ i9 C- B' i1 l
- text-transform: none;6 _0 z. m4 [$ ^2 X1 M0 A
- -webkit-transition: all 0.5s ease;8 k% m, {! [" \% v& _
- transition: all 0.5s ease;* d$ c: F, f& I7 r' k
- width: 160px;2 O% a$ p* R$ P* D/ J4 Y0 [+ A9 v
- }
; u3 \) _7 K$ a- x - .tooltip-toggle::after {" Q8 G1 d. J/ X7 X- V5 H) {, b* |
- position: absolute;
8 y6 P, i# H- w# N8 C: g& E - top: -12px;
4 u, h. `( K0 [# d5 v/ F) ~ - left: 9px;6 z6 c3 U/ D# r; G( C
- border-left: 5px solid transparent;
" I% d( g4 A; ]! W: n* c: |! {5 r( \ - border-right: 5px solid transparent;
- ]# V7 l& K! m+ D - border-top: 5px solid #2B222A;! P, h- t* Y: ]& p/ q
- content: " ";5 U9 A/ X$ K& u2 _" j
- font-size: 0;( K \6 T- ~* U. r7 ^
- line-height: 0;
0 [3 C+ G- e* Y0 k5 P - margin-left: -5px;6 M5 \7 a2 K$ O/ G- ?. Z( d/ g! n
- width: 0;$ `% U( ^, `: j) K
- }
, ]3 E1 g3 N; b/ v1 V3 q; \ - .tooltip-toggle::before, .tooltip-toggle::after {
6 v' L D6 q- R' h {+ k! B& f8 [" a - color: #efefef;
+ F( a8 x+ b6 U6 X. v6 s - font-family: monospace;
9 u* x% J; D! R. l Q - font-size: 16px;
2 @8 \6 S' d6 G9 A7 v - opacity: 0;; e+ {$ w2 [4 O) \/ C3 |8 M. |5 }
- pointer-events: none;6 H2 g6 A1 f% i0 i8 B
- text-align: center;
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- .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {/ \1 d0 i9 a' V3 a) i/ C
- opacity: 1;
9 u2 ] ~: T( z/ x3 v6 l3 r0 a - -webkit-transition: all 0.75s ease;
2 ]$ v: f9 K/ L8 A - transition: all 0.75s ease;
4 D/ T' Y, o: L - }
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">" R1 P5 w6 g* m$ S1 H
- <ul class="nav-items">
+ b2 |8 Y1 l) v) ? - <!-- Navigation -->4 d3 W; j; E$ x8 Q( W$ y
- <li class="nav-item"><a href="#">Home</a></li>: g) J2 G1 q5 G$ k+ c
- <li class="nav-item"><a href="#">About</a></li>' y2 B- y- r1 {# P* f
- <li class="nav-item"><a href="#">Contact</a></li>
+ g; a) I6 `: O! d8 Q - <!-- Dropdown menu -->
' }+ F( k+ H: M; P- z% V - <li class="nav-item nav-item-dropdown">
2 n1 o- s5 t& d - <a class="dropdown-trigger" href="#">Settings</a>
+ ^2 z- x# y; x - <ul class="dropdown-menu">3 t7 _$ A2 H0 T) [# u" M8 a) I9 f4 A: w
- <li class="dropdown-menu-item">2 }) W+ ^" H9 i& i' p
- <a href="#">Dropdown Item 1</a>
( u' O1 J5 u- Q& S* @ - </li>& D3 B# t6 M/ E7 J! D* k
- <li class="dropdown-menu-item">3 W- ]8 }% c8 S- v7 t) i
- <a href="#">Dropdown Item 2</a>
6 n' D$ d: `9 k, Q - </li> q8 G' n+ U4 k. f- N
- <li class="dropdown-menu-item">
9 y$ D7 ]+ r' |: s" Y - <a href="#">Dropdown Item 3</a>" U2 K0 R' f5 l( z& ^) j% P7 Y
- </li>
9 l, r2 t7 t' S2 Y) u - </ul># o) w# S% Q7 b! v+ }
- </li>
7 k! B/ B& v4 X. S" m- `' L" g - </ul>6 d$ l3 {+ O3 ~7 w& m
- </div>
复制代码对应的CSS代码如下: - .nav-container {/ f$ J5 H5 X3 z4 @8 i+ w
- background-color: #fff;8 _. X- Z, r/ b7 P* c3 u6 t
- border-radius: 4px;/ ~/ G% Q6 J* s) F
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
9 Q, E% L8 T X3 w - padding: 1em;
7 D6 [7 h5 M. t - border: 1px solid #eee;0 Q4 \* W; ]0 N$ B
- display: block;1 w2 W2 K! S) q( x0 W0 S' g
- max-width: 400px;
( ^8 f7 u- G) J% z8 ~ - margin: 0 auto;0 C( { \$ d6 @' s4 d) v9 u
- text-align: center;
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- ul,
4 l' c0 T/ k: B8 F - li {
* y' v7 U* p V" B7 o - list-style: none;
# l! ^" x8 a! D9 V% u - -webkit-padding-start: 0;
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- a {
+ U7 G2 A+ i* T+ s" `; a - text-decoration: none;
) j: `/ I. J0 l5 g - color: #ED3E44;- p# y. E8 X) x3 V' o5 \
- }
/ {; v* O7 ] M G/ q - .nav-item {7 \4 a+ X1 M4 ]) j! ]
- padding: 1em;. Y) J# [8 L9 r, p9 L% X1 c7 j* K
- display: inline;% x2 x# x8 I) i$ ?
- }8 @3 Q2 H* H' \
- .nav-item-dropdown {
/ L1 e5 t4 W. z b7 p3 l - position: relative;
) W4 s6 M- |# @0 W - }
) L: D2 R* ]' ^3 X5 V - .nav-item-dropdown:hover > .dropdown-menu {" p7 U& D7 y( F5 s0 Q* G3 s% O
- display: block;# x! L1 s0 T4 E; ]- ]& S6 P
- opacity: 1;6 ~4 }* H" C* I' \! @4 A. z
- }
4 M) D' p$ @9 U5 b - .dropdown-trigger {2 t9 e; s) Y6 V
- position: relative;
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- .dropdown-trigger:focus + .dropdown-menu {
1 o; b; o: S2 j - display: block;
2 F% X8 p4 O6 f- D+ u - opacity: 1;
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- .dropdown-trigger::after {( B9 |2 W) R# J$ z+ |9 k4 ^
- content: "›";8 v6 T8 T% D( o$ j: J! z3 H
- position: absolute;3 ~+ m# D9 K" a2 A2 Y) n
- color: #ED3E44;2 K. V+ R* U) i6 Q2 b1 p; \3 H
- font-size: 24px;3 Z, ], j) ^/ r4 Q0 t+ J& u% i7 P& Y: u
- font-weight: bold;
; t+ d# |- g+ b5 y8 x, V8 D - -webkit-transform: rotate(90deg);
# \+ [% q- a5 y4 _6 T( i4 i - transform: rotate(90deg);% {* _) E$ B( k' z
- top: -5px;. [+ t# \; V, ?/ W7 J
- right: -15px;# H$ {7 ?" ]2 m/ S; H
- }
7 e# U& U* m/ V4 V) s - .dropdown-menu {7 J0 d) @" U6 E7 z& N% ?7 U% w4 Q% x
- background-color: #ED3E44;, b m& G- \5 ]2 {# G# r
- display: inline-block;
5 z t2 @9 A& }. K7 l - text-align: right;" D% L! m! x4 i7 t O' |4 {$ {
- position: absolute;% r* N8 l2 ^( p5 U
- top: 2.5rem;6 S n. T) z; P7 }. T
- right: -10px;
" z3 J4 h1 ?! b- ]2 G - display: none;
j7 P- z9 C9 Q2 X - opacity: 0;9 y% m0 P; K% ~& I0 N
- -webkit-transition: opacity 0.5s ease;
% K& \ `- s2 G6 ]9 d7 y2 F# C$ Q - transition: opacity 0.5s ease;6 R- [" s5 \* [8 ]' R9 E: ^# D
- width: 160px;
+ |9 f8 E6 m: O6 z& w - }
" j3 Z4 X6 m; ]# J5 H - .dropdown-menu a {
4 `* s4 B% ~6 g5 L1 u, u. Q - color: #fff;
( O' t3 e# E& `7 H. f - } f1 v) M# M) Q# i; K) n. i
- .dropdown-menu-item {- L9 H8 s/ N8 K- m& X
- cursor: pointer;0 G: [8 j f( `3 P
- padding: 1em;
* `6 v) |, x4 o! v3 k - text-align: center;2 Z- s3 p' p2 M6 Y/ T
- }/ C/ T3 G$ D k3 H4 j
- .dropdown-menu-item:hover {( V6 f- |- h4 E7 O& M4 s
- background-color: #eb272d;5 b1 S; R* X J6 v6 n
- }
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' p4 C' d! H* z1 J5 Q可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">9 N1 a/ `1 O; [; k2 R
- <!-- Checkbox toggle -->3 U! _+ L0 D, Y" {5 r0 s
- <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">! f$ z- n1 {. {6 Y' [' I
- <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>1 h2 I" L( J" a1 @0 s: `5 G9 m
- <!-- Content to toggle from www.mfbuluo.com-->
( t3 s% U% Z/ y k4 F - <div role="toggle" class="toggle-content">
/ |+ Q% b; c9 u9 c: w, [ - BA-NA-NA-NA!. ~% d0 _/ ]# w9 G
- </div>
) N, c9 @- d7 i8 B - </div>
复制代码CSS代码内容如下: - .toggle {, A0 X+ }- P7 y# o. ]3 j3 N
- margin: 0 auto;) s9 N) Z5 R" c
- max-width: 400px;
. v# _9 W) {8 P0 i8 B - }: `7 H$ J" K- Y- o! h n
- .toggle-label {
0 _, J3 c" t9 ^! M' N; M - font-size: 16px;8 ]2 Y1 a& ^$ G* Z; H
- background: #fff;$ P2 L3 i. }$ j3 b* B9 P" K, ?
- padding: 1em;
B4 l I! B! D: g9 w" X - cursor: pointer;
0 }3 q' i6 V- W4 o! b - display: block;
3 t% B1 I$ Q6 f# n4 ^5 l1 M - margin: 0 auto 1em;
- r3 W6 W' I' ?- ^$ e" u- `7 m - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
3 W, Y( ] G4 k" `5 l6 \ - border-radius: 4px;
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- .toggle-label:after {( d2 o& }8 V E" q/ y
- color: #ED3E44;& ?# R4 [' l3 ]9 j
- content: "+";- p- |/ ~$ T0 O2 ?* {( r; E
- float: right;
- x$ z8 h& K' Z5 o1 a - font-weight: bold;' E+ [" b% \0 f: J6 L0 E
- }6 r$ E# U6 `3 v) R
- .toggle-content {# c5 c, Y$ S6 b2 P
- color: #B0B3C2;: Q' H5 f' D: Y. P0 Q# ]
- font-family: monospace;1 p [( q* F) @- {* r
- font-size: 16px;
% o& @: K- b& x) o - margin-bottom: 1.5em;
! e, v ?! ~& n- o5 C+ x) d - padding: 1em;2 |* ^; b" ~ U* c0 B
- }
. u: y1 f$ o* K4 D9 B- U - .toggle-input {
8 J: v/ o- J' ^0 {# w6 |6 [ - display: none;
9 |. L# h+ m: @2 B, z }5 P) J5 n - }
" M# b5 D; H L& `* l) }. l - .toggle-input:not(checked) ~ .toggle-content {
. a, F- [6 ^; o4 A$ a, |3 r$ G- U - display: none;
. x9 H+ Z4 N$ t1 g, g - }) h* |8 Y% {7 c& A, @
- .toggle-input:checked ~ .toggle-content {
7 r* y) q7 x; i/ u - display: block;% l) k Z g* I- |
- }
, ~1 Z4 n' b5 c9 S! r: y - .toggle-input:checked ~ .toggle-label:after {
3 H5 \2 m$ f0 B/ X6 Q3 C - content: "-";
, C) E- l9 H8 e1 a - }
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