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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!">: ?+ r- A( y7 c2 t
- Label for your tooltip! x- _/ E) L$ S( w
- </span>
复制代码CSS代码: - .tooltip-toggle {$ j9 A, T" e. X2 w' V0 T
- cursor: pointer;
) \$ h# Q- r# E& W - position: relative;5 u m) T7 d5 M- U+ J/ I2 e$ _1 m! W
- }
0 u" J% e5 p) N3 `: E - .tooltip-toggle svg {
8 M) R+ @, A% L4 h. O( q. f3 @ - height: 18px;
3 g" D1 l$ D8 _5 ^3 N) J - width: 18px; p' F0 } U* _3 M9 `
- padding-right: 0.5rem;
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- .tooltip-toggle::before {! ?& c& C5 h& Y1 y9 F# h& P) h
- position: absolute;
# {% ^" J" j4 d" T* e6 Y - top: -80px;& n; j/ d% ~# U H* {0 s5 z5 G
- left: -80px;
' L# |: z; l" L7 \! y - background-color: #2B222A;* z9 k4 V8 Q5 M: _7 W+ l( _& K
- border-radius: 5px;2 a6 H' a3 ]9 l% j* M
- color: #fff;6 l+ |) {- V! b. u: C
- content: attr(data-tooltip);
8 G% B7 d- k! u- P. F- E5 | - padding: 1rem;
7 l; L2 `( P! ?3 e9 w- P! s+ P - text-transform: none;/ ?7 }9 u3 o% I( r% o& e+ {+ I
- -webkit-transition: all 0.5s ease;
. `: l. G( P% \5 a8 B/ t1 M - transition: all 0.5s ease;
, h: T/ {! {) U7 f/ f1 r - width: 160px;. r, j! x' _2 M
- }) u2 }. a; P; V% B# v
- .tooltip-toggle::after {
7 P% m2 s8 `2 y/ Z! } e - position: absolute;9 B0 C" o3 ^" f* I: k$ I
- top: -12px;7 C; A% l/ N, C4 _' ]
- left: 9px;6 E0 h" Z1 N0 v; w l
- border-left: 5px solid transparent;
, F" V# P2 A; L7 |. R. f$ ~ - border-right: 5px solid transparent;/ u3 l, k! B/ r9 C; s
- border-top: 5px solid #2B222A;
' s' x( w) a+ Y* t d, O - content: " ";
3 |9 n- C8 {6 x4 n3 ]$ w; y6 g4 H - font-size: 0;+ U9 _& M3 C" M/ ]2 a/ {
- line-height: 0;
5 `* ?; P1 p& c; |' ~ - margin-left: -5px;
/ L) U% T7 v; B2 i% l: u - width: 0;; ?# |/ z3 b$ e" H6 k- p
- }
# y$ \! d* [2 @/ B0 N- w9 @ - .tooltip-toggle::before, .tooltip-toggle::after {& T' [3 M$ E: l+ q; v
- color: #efefef;
, ?8 |# i% F! N7 k H$ b( O - font-family: monospace;( ]8 H [ t+ ^) E
- font-size: 16px;. I! a2 X! D* I: O; G; S
- opacity: 0;1 X, l4 ?/ h6 X9 Q( G
- pointer-events: none;* _* g) g8 H4 l7 z, T
- text-align: center;+ I9 D* F) Y0 H6 r& l# z- R; \
- }
s l/ v' X+ O% c3 | - .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {
( {$ r4 Y/ R8 [" n0 S5 v - opacity: 1;& i7 {7 u/ I/ h6 C9 z: \! |5 a
- -webkit-transition: all 0.75s ease;$ f5 [. Z* H7 ?$ u1 I
- transition: all 0.75s ease;0 O9 Q/ I. q, {/ @
- }
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">
. e! b" {! b: R* s3 {9 k; a - <ul class="nav-items">, s3 W; S! u e8 C- G8 T
- <!-- Navigation -->
8 D# y/ U6 ~3 e; a - <li class="nav-item"><a href="#">Home</a></li>+ r. R1 n" }- Z' M2 {& S4 ^
- <li class="nav-item"><a href="#">About</a></li>
/ K( u! k& w4 y, n9 J" d2 Y - <li class="nav-item"><a href="#">Contact</a></li>$ y: A# q* w: c- \0 z0 z" p
- <!-- Dropdown menu -->
! S* V& p: I* D2 n- S - <li class="nav-item nav-item-dropdown">
* u, r- ^6 n% q8 `8 d+ N - <a class="dropdown-trigger" href="#">Settings</a>& u" Z( u) E* ?
- <ul class="dropdown-menu">9 y: j# L: t. Z' A- Q8 w
- <li class="dropdown-menu-item">
6 v; i* o6 _1 e! V6 v- ] - <a href="#">Dropdown Item 1</a>
" n8 ?( y, ]9 p$ R3 Y4 } - </li>
7 z% ^/ Z# t) x5 Y5 B" g& f - <li class="dropdown-menu-item">
; ^/ B4 M) p" ~2 E/ Z& i6 @( z5 i - <a href="#">Dropdown Item 2</a>
" S0 }! k6 T0 m - </li>
0 [/ U7 K6 Y0 y' S. E! o( P2 m - <li class="dropdown-menu-item">
7 C1 I9 n+ |1 C5 O/ d R$ {) u - <a href="#">Dropdown Item 3</a>
' S5 _! K: T3 g# O: a - </li>; S4 h. |4 n0 m, b& T7 G5 @
- </ul>
T+ ?* _& w4 h9 M( B8 j - </li>
3 v: s5 b& ^( Y& Z - </ul>/ E1 L8 w$ t+ G' C) R7 U5 a2 k
- </div>
复制代码对应的CSS代码如下: - .nav-container {
1 z) }( _# U4 A4 l - background-color: #fff;
5 G1 o1 W3 p0 v. [ N - border-radius: 4px;
" y& O V. C: B [* y: y - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
8 X, n* e/ z( G' [ - padding: 1em;4 [% s \ ?! s3 I
- border: 1px solid #eee;
- ]/ ?. J5 \& K$ w T( \8 ~ - display: block;# n& _$ {, j2 a
- max-width: 400px;& y: j' U! h1 e& D, {
- margin: 0 auto;2 J2 u& l$ l, I9 h4 i3 b/ D: `
- text-align: center;9 N" s4 ~2 S( L! h4 X1 J+ c! s1 L+ s
- }/ ]) [! X) B# Y) H/ n
- ul,
- ]. Y; ^% C- S& V5 M - li {7 u- c$ \; q: g, y3 J' n
- list-style: none;3 f4 T/ x1 O3 U
- -webkit-padding-start: 0;# L8 M' D6 V- r" \5 y5 I
- }
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- text-decoration: none;: U3 G! K+ W/ W8 o# I
- color: #ED3E44;2 j1 w$ Q# u+ F% n5 v0 Y I
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- .nav-item {
* z$ a+ M0 ]1 l( V( w1 r - padding: 1em;' _- N; h! ~6 [& o X4 L
- display: inline;( J; I: `% f1 Y
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- .nav-item-dropdown {
) O+ H4 d! p9 T7 ]4 ` - position: relative;
% ^+ {8 x" {% }6 E& Q1 O - }
) @ K( O& ?( k! ~0 M, E- u/ F. B - .nav-item-dropdown:hover > .dropdown-menu {
7 a7 p- \# H. Y! s# C4 E7 B# J - display: block;: D' D$ N8 L/ a5 J* ~& { d$ ]
- opacity: 1;
- l4 f) J) Y- V5 F0 U0 i5 Y - }
9 k; b3 ^% y8 R1 z4 z2 E+ W8 N: e9 e5 g5 b - .dropdown-trigger {: ]2 \7 G8 U6 Q2 O
- position: relative;
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- .dropdown-trigger:focus + .dropdown-menu {
( Y: X4 ~9 B: U$ h: W- C8 b g - display: block;" ]1 m/ q' N* {; x' ~
- opacity: 1;
+ k) c* n; h' [/ V. R7 @" X - }
- f+ |( c8 Y# ~1 e: ^ - .dropdown-trigger::after {* [0 ?2 k* j6 v; W! O
- content: "›";
1 O: P/ c- B( e H& t - position: absolute;( c5 `: U6 \, m5 G* W) l3 n' n
- color: #ED3E44;. `- ]' R7 T7 }8 P' P2 P6 |
- font-size: 24px;
/ ?8 s% n" i& `4 {0 I; \ - font-weight: bold;+ ~, @4 E9 U3 G! \: H! ~
- -webkit-transform: rotate(90deg);
! _; g5 ?& p f3 y - transform: rotate(90deg);
- f Y6 K8 U$ \2 D# S - top: -5px;# G0 ?( ~: t# E1 J1 l2 A; m0 Z* A
- right: -15px;
' Q G7 r" m! k3 x0 f: g8 X - }
0 j% x! p/ B+ U( L m - .dropdown-menu {6 E# O( ^; D5 X
- background-color: #ED3E44;
0 l- m0 i |0 c, v9 d. l2 h# U - display: inline-block;5 S* N% k1 c5 f: A: e
- text-align: right;/ Q" A! A, ^8 V
- position: absolute;
) q- i4 Y) o5 g9 Y - top: 2.5rem;& B% ]+ R2 o* l; f/ I3 b. C4 s
- right: -10px;; r+ H1 K' B: q/ a1 h! U
- display: none;# b) H& P3 \% q0 W( J
- opacity: 0;0 C! D2 W& @( b8 h. N
- -webkit-transition: opacity 0.5s ease;
' H; J) O; G' s3 Y- Y$ ]+ d2 P - transition: opacity 0.5s ease;9 i- \# o4 U- M7 F* I
- width: 160px;
/ `9 A. ]$ W, h4 Z6 ~+ S - }$ W! v7 x/ u( ]' b' H
- .dropdown-menu a {. O! {# z# U3 i! e# s7 X; ]
- color: #fff;6 m0 ]' a& b) n6 m1 F% y
- }4 Q& r: e2 E) |, I, g4 r/ R( S
- .dropdown-menu-item {0 r+ O B# \, N( F
- cursor: pointer;' C+ g/ ?; C3 u
- padding: 1em;
* ~% T' e* w$ P. w. C" K% B - text-align: center;
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- .dropdown-menu-item:hover {0 { D- X* |7 I' M. Y
- background-color: #eb272d;7 F# o) }, Q/ d7 J
- }
复制代码
0 Q# F6 m: _+ x4 m5 L5 _# `可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">
+ q/ v0 s/ J8 u- h4 H3 O: i - <!-- Checkbox toggle -->
; s% d8 O! u W3 V8 u0 ~2 \& g# f - <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">
1 `3 R+ \9 L$ N4 ^+ e - <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>
/ Y* m& K0 W9 ?1 W8 y& c, ? - <!-- Content to toggle from www.mfbuluo.com--># z* U' W- w4 ^; K: |' N
- <div role="toggle" class="toggle-content">
4 [; g% y/ }, T6 I - BA-NA-NA-NA!/ }9 u) ^" \5 j/ N
- </div>
- E, r' T* b0 s/ f/ q t7 b7 b - </div>
复制代码CSS代码内容如下: - .toggle {
6 t, n- h/ d+ M; w0 z) @, h: z4 k1 D; `" Q - margin: 0 auto;; O5 |/ v" J2 a. B/ G
- max-width: 400px;
. @& I! O/ G: U( P1 }5 Y' a& I - }
: H, t6 T! x( P% M, R - .toggle-label {! U7 x# d$ l4 A g0 `- c
- font-size: 16px;
& B: b. r/ G# U0 @. Q - background: #fff;# N5 O. W$ _( t" Y! [# q
- padding: 1em;
7 Q$ S( b+ B4 \" j - cursor: pointer;
o2 S. Q3 w# P( k: S2 d: M% | - display: block;
9 w2 i0 m& x+ z* w5 G: C% O1 u - margin: 0 auto 1em;
3 K6 ~" }3 }3 n M' h0 | - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
6 \% ]. f* E- H* K) B1 ~ - border-radius: 4px;9 m2 w7 X# a3 m7 ]9 y$ z- y5 s
- }. S( R7 X/ [! {: d7 w4 {
- .toggle-label:after {* h! j% P9 P" p( E
- color: #ED3E44;
0 @+ H N) |- Z7 X$ J' j& k! t - content: "+";/ o3 D# h1 }& [" s2 T: D, x
- float: right;, S5 l" s' k4 [: ]
- font-weight: bold;
! b( O) j9 y G+ o; i5 w' \! } - }. _, l' U& V) A7 T$ S" m3 W4 u
- .toggle-content {
* h' R3 r4 N: B( w; }' _5 c# r - color: #B0B3C2;
w e% ] K& O5 r. [ - font-family: monospace;' ~2 p1 D* e& ^, s% F: v
- font-size: 16px;
& W! y' b+ Y# L x$ I3 R; y - margin-bottom: 1.5em;$ d% z! E" u2 v
- padding: 1em;
: D1 i1 m. K" Y4 G3 E6 {: m7 g& Y - }& P, d5 _% z7 [' r
- .toggle-input {
" \$ a6 q/ N7 x8 ^. X - display: none;
u: l6 X! z# [% D - }
, Z0 F' B$ x/ I. s - .toggle-input:not(checked) ~ .toggle-content { t. K8 Q$ ^9 L0 W8 ]6 S
- display: none;8 h# I, ? _- p A0 D
- }
2 @& o6 T V0 f( G. p9 P5 {9 v0 D - .toggle-input:checked ~ .toggle-content {
6 r6 a( t! ^0 {+ K1 P& R) w- S - display: block;
& u/ _7 N; n+ s2 K8 }) {+ z - }
. O! e% V1 z* e, j- ]3 C# v9 s. j - .toggle-input:checked ~ .toggle-label:after {5 l1 x# k+ Z& j) y/ w$ o
- content: "-";
: `7 b3 Q7 g2 \. [2 ]- k - }
复制代码 7 C' {2 J6 c. s# j& [$ y5 Q
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