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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!">1 ^7 w. V3 q# e6 I8 u2 C
- Label for your tooltip: s3 V" Z8 O( [; r) T, X2 k' @
- </span>
复制代码CSS代码: - .tooltip-toggle {
) | j; W# U. r8 P! { - cursor: pointer;9 d7 ]: v- r; ^4 D% o1 n7 B
- position: relative;
$ @% ]* _7 M+ c* d$ D& O - }
5 H( {1 Y9 m8 n. g+ F - .tooltip-toggle svg {! _$ H/ X+ S5 u8 {! c( p1 {2 s
- height: 18px;0 i4 ]" B, b2 F& S- H4 E9 m% L4 V
- width: 18px;
# B1 P9 H& K+ l9 o) Z+ y+ R - padding-right: 0.5rem;
) _$ T+ D) \8 o% E% w3 K3 I - }
* r2 T- _& ~. ^: J$ D, C/ a g - .tooltip-toggle::before {5 s& Y% t& z, j; M
- position: absolute;
d5 y4 i' v" y- G9 E. c - top: -80px;* ^* d* ~# w1 J: Y; T
- left: -80px;: r b7 L' h* f* H) `. \
- background-color: #2B222A;
. ~; z5 t5 n! s8 U- ~1 `1 u - border-radius: 5px;
- {0 s0 ?; B4 O1 W. Q3 v - color: #fff;
2 E) C. t- F; u# p% } - content: attr(data-tooltip);, Q, A" c. N2 f$ k
- padding: 1rem;7 o' y" I1 _% t
- text-transform: none;3 l; O# N+ M4 W- I
- -webkit-transition: all 0.5s ease;: I, r# w- {1 M4 n. E* E
- transition: all 0.5s ease;
) V, F, |# D0 u B0 j5 q/ k, B/ o - width: 160px;* b' B7 K4 C' B; n1 K, z9 w
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- .tooltip-toggle::after {6 }9 k, n) N6 u E4 S" h B" g
- position: absolute;8 Q; `' G% X" {
- top: -12px;
3 @0 c r2 O0 X- j7 J5 V - left: 9px;) p0 l$ z2 p. u6 @* B- j
- border-left: 5px solid transparent;
6 b, W; z, t& W* H" F | - border-right: 5px solid transparent;$ R( q/ P- _: t
- border-top: 5px solid #2B222A;
* b+ L: p3 {2 G - content: " ";
% t% A: }6 y. v3 E - font-size: 0;, w2 d) _( H+ U8 E
- line-height: 0;
* o! m4 L& ^7 H8 S0 H$ i1 G) C: Q$ g& n - margin-left: -5px;3 _0 T1 q: [. b: |+ u' b
- width: 0;8 u* L+ m# O4 P t5 T5 i- ^
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- .tooltip-toggle::before, .tooltip-toggle::after {8 x$ S7 E1 f- b) z4 X( W. f
- color: #efefef;, G; x" S' z+ v. k( d
- font-family: monospace;
, S8 [5 w, T# _/ u - font-size: 16px;
: _; I& E( v. w3 l; V: e3 Z - opacity: 0;
9 H+ z3 {4 K I2 z+ @4 A" e - pointer-events: none;
" w2 c+ |1 ?8 ^ ^' ^& V. A9 F1 _3 }7 l - text-align: center;
- G( |6 w$ x) v - }
' G6 ~# n4 @% R [" U - .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {
0 v& H6 D; E" i - opacity: 1;
Q' _+ `3 A4 P; `* `& s' w - -webkit-transition: all 0.75s ease; `% y( c% z3 U+ h* R9 N( g3 d
- transition: all 0.75s ease;: j% ]) M) h2 ~$ _4 E5 R& [
- }
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">" t8 ]6 P4 _5 v2 O. b* j' o7 J
- <ul class="nav-items">/ }' T7 p0 E' c
- <!-- Navigation -->
* O$ j" U `. b1 ]/ d - <li class="nav-item"><a href="#">Home</a></li>
0 o7 O1 J9 B1 c+ X5 F$ B+ C& p' H - <li class="nav-item"><a href="#">About</a></li>7 A5 Q$ d- H+ J. ^5 P! R3 k
- <li class="nav-item"><a href="#">Contact</a></li>' ?9 B$ S6 D' {0 r
- <!-- Dropdown menu -->6 T& y, x! w$ Q' N: Y
- <li class="nav-item nav-item-dropdown">8 E) P! w9 f* K1 |2 n' J7 P
- <a class="dropdown-trigger" href="#">Settings</a>
0 q) Q2 L+ D H) c9 } - <ul class="dropdown-menu">
- C4 C3 j5 G7 ]/ H! j9 N1 i - <li class="dropdown-menu-item">) s- M5 \2 c+ j1 I8 F% B0 ~
- <a href="#">Dropdown Item 1</a>: p& N; S/ V/ ^( b+ G
- </li>/ [% m/ @3 v9 x4 X; U
- <li class="dropdown-menu-item">
# _; k% `0 w' E' n! I# t - <a href="#">Dropdown Item 2</a>
2 i' l' j! c& S1 \* ] - </li>4 K6 i" o" i9 ~# j9 P2 o
- <li class="dropdown-menu-item">
9 E7 R! @1 Z, q' w) f$ W5 _" {) j+ W - <a href="#">Dropdown Item 3</a>
# Z# c$ u/ \9 z# r' X - </li>7 @& L+ [; X I) a1 \
- </ul>, x* D ]3 p: C4 p
- </li>! ~ G6 K' j" b3 ?' q) G8 ?8 f
- </ul>) E& }# I, D' a8 ]( S" k
- </div>
复制代码对应的CSS代码如下: - .nav-container {2 y4 h/ d z$ n0 m$ P* h, a, f' }
- background-color: #fff;
7 T, Y/ Y6 Z. ?7 P$ S- l; Y8 W, L8 m - border-radius: 4px;: Q: P: Q8 X/ ?9 m: X
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
2 z/ R: P1 i, [* s+ z% M \( U& G9 n2 c - padding: 1em;
$ H5 M! ]2 z, k4 C, W& m; ?5 | - border: 1px solid #eee;
4 Y$ l3 F' N& L* l5 p% k5 i8 S) J6 P - display: block;
2 R1 \! ^3 j( ?0 ^ - max-width: 400px;2 [3 |% P. w" Z6 h8 A% | m
- margin: 0 auto;: E* i5 l; k4 Q$ a# }$ w* V2 Q6 m% z
- text-align: center;9 p: d- P4 G2 u1 t
- }
1 ] _2 d+ C6 V# v; K1 s - ul,
4 n) m4 \8 }+ q. {6 L: K - li {
+ V6 o. P5 P- P( H - list-style: none;& A, E# E1 e8 E1 h1 V" z
- -webkit-padding-start: 0;
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- a {
& l- y! G+ p/ s& T i" y: e5 z - text-decoration: none;
/ x8 y. ?6 {& w4 y% X - color: #ED3E44;
3 K. h D3 L9 Y/ n1 }" d - }
* k6 o4 v1 W. r& ?3 X) z6 A$ M5 B - .nav-item {
7 i/ x9 [& l- ]1 k - padding: 1em;
4 R( _. _# i7 I7 O6 |/ a7 z0 L - display: inline;) W+ }! R3 Z" a- u
- }" M: _- j' T6 x' Z2 m2 q b
- .nav-item-dropdown {
0 v% A# e! s$ _' X' h+ [8 O5 j - position: relative;1 b' _3 n0 h1 V
- }& s8 k% k* e/ n
- .nav-item-dropdown:hover > .dropdown-menu {
! Q5 d' q! C; w( v - display: block;
! g7 `* _* D: l# E+ I9 Q/ M# J - opacity: 1;; ?2 O6 d, z0 E4 Y
- }" }) w' x5 y* s, Q8 G/ J a# s
- .dropdown-trigger {
4 P4 v3 h5 C$ L5 M- A+ c - position: relative;
% A' k. J; {: J: F, J9 A - }
. c8 C) ^' V) c* n - .dropdown-trigger:focus + .dropdown-menu {1 U' X. X# J+ d5 Y/ Q% C! X& V% P5 n5 l
- display: block;
1 C2 p% D4 n$ J7 j. ? - opacity: 1;4 M- B- {: V* k7 V) z- T6 \2 Q& W" `
- }
4 ?- X* h% F( D: y2 U- W+ N0 ^& } - .dropdown-trigger::after {
& S* }2 \% e! c, r& v( i5 k - content: "›";
7 s) w j3 D8 T* C; M4 a( { - position: absolute;
8 R" a4 }; P6 M7 @. S - color: #ED3E44;
+ c, A6 P W6 ?4 z- ?/ f! @ - font-size: 24px;
$ D( `9 e; f: K' F. A7 w - font-weight: bold;
( ?1 a+ f2 E% u8 T( q - -webkit-transform: rotate(90deg);, @4 v$ j2 n) u }
- transform: rotate(90deg);) l# k" N; v; ^+ a
- top: -5px;$ a. r1 ]$ Z' ]. U
- right: -15px;, m# z6 ^# D* f
- }
3 e; U, Z! w" v4 P6 A. c$ w+ z+ I - .dropdown-menu {
+ B) Z2 J, G! ` C7 N - background-color: #ED3E44;
5 @% o) G7 z# H - display: inline-block;
9 r. P2 W% o5 ^- }% m0 O; l - text-align: right;
" j! ?6 F3 O! b5 w8 Z8 ] - position: absolute;& C/ e! j0 A' T( E
- top: 2.5rem;
% J) ^+ F1 M: E9 e: d! t( y" Q - right: -10px;9 K: E* Q- d& t0 U. @4 T1 L
- display: none;& S6 K3 L3 ^; G2 E \5 L4 m
- opacity: 0;2 b1 w/ X& R9 |) u# ^
- -webkit-transition: opacity 0.5s ease;& Y* I& K0 ?" i
- transition: opacity 0.5s ease;
7 q& E- Y' Z1 K" U/ A$ C - width: 160px;
- t |, Z& `2 b$ N9 l - }
- N8 b: V) J7 `# C) Y1 B ` - .dropdown-menu a {
; k& H$ L- T m. P% v - color: #fff;; w9 @- H9 M9 P& z8 I
- }: S* e; b, S# ?
- .dropdown-menu-item {2 ]- v" O$ i6 v; e
- cursor: pointer;# `5 @$ O' e3 z" {* m- d! m
- padding: 1em;% `8 i/ I7 A. m
- text-align: center;
* H; f, Q. B1 E' C% y2 b" J: x - }& S& j7 H# m+ Y1 g, D9 T8 G, q- I( }# h
- .dropdown-menu-item:hover {
; C: w' o4 P* e3 E* |% w7 ` - background-color: #eb272d;. e* C' B. Z2 A) b5 P$ P
- }
复制代码 ' ^9 ^% O' F+ o G0 V6 G- x5 ~
可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">
2 d) ~$ s1 O4 C9 g" o5 F - <!-- Checkbox toggle -->
' d- g- Z/ n: c# Z - <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">
; i- W/ t) n1 t, `7 P. w) A, g* { - <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>) G6 A" q; g+ g! ~# I
- <!-- Content to toggle from www.mfbuluo.com-->& p7 Q+ T3 s0 C
- <div role="toggle" class="toggle-content">' `! d2 P1 x3 m& f' I e& L9 S% H
- BA-NA-NA-NA!
9 s6 t' D5 c! i4 b - </div>4 _8 S7 `7 o8 B* c
- </div>
复制代码CSS代码内容如下: - .toggle {& E. P- b% `& L; {
- margin: 0 auto;
! Z( @9 p0 A# z9 A' a$ E - max-width: 400px;9 G; b4 m4 _) ]/ U3 W; W
- }
7 P. r) K8 V6 Q' E% ^ - .toggle-label {7 l9 u5 s. h# R( k4 x0 _
- font-size: 16px;! I6 V( M$ l: b- i3 J
- background: #fff;
$ y0 J( Z1 C0 Y; J$ S - padding: 1em;' Y' k+ A! g- p: K# f3 Y! w
- cursor: pointer;
' w( B( e9 b6 z" h - display: block;
2 f! K* R% D' f+ t1 U7 [! y$ g - margin: 0 auto 1em;4 e3 e" Q& z. _' S- W4 Y
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
* V5 P" o1 w6 v- E$ G9 C5 w2 E - border-radius: 4px;/ g7 W9 J0 b; U: `) r
- }
+ s" j( j. a" S, b0 Z - .toggle-label:after {
7 m) @* q5 V2 Z# M4 a0 d - color: #ED3E44;
$ y2 u& S6 e; U1 c; E+ v7 M. ~* { - content: "+";; K. o# Q0 D) x: _) ?$ w: ]/ W/ m. \
- float: right;
4 P# d4 i/ T) n7 C6 S# E0 \1 I. {4 I, p - font-weight: bold;( ]* C6 ]# _. f
- }# e& f% s# j. X( F3 ]
- .toggle-content {
4 ] F+ k( @( K& `2 i% J - color: #B0B3C2; j; `/ y% Q c! G
- font-family: monospace;
' ?; |) _5 @4 A9 K# L - font-size: 16px;4 e4 H0 y8 W2 H3 c; e9 _" x
- margin-bottom: 1.5em;
0 T. R2 |0 b+ d& s% ~" T& g7 R8 C - padding: 1em;: ?; k- a+ O4 a
- }
+ p$ j; R. u b/ c - .toggle-input {
# e2 z: Z& K& ~* m, N - display: none;) C# D2 W8 B. _" V4 L. Y L
- }( l) z2 L1 X" r l( S% O [
- .toggle-input:not(checked) ~ .toggle-content {: N9 z/ f/ ?3 |* {* f6 A9 o8 g+ ~9 [
- display: none;1 V# _( |& b: O1 j T
- }
% ~: L; q8 m( Z1 _7 b - .toggle-input:checked ~ .toggle-content {9 R7 b/ V. v: U' G6 E
- display: block;
1 z% d+ n0 ^5 v9 o& z/ Z# W' _7 ? - }3 q6 j% H" J- b/ g/ j2 a9 M
- .toggle-input:checked ~ .toggle-label:after {4 H9 {' v2 B6 V: ~+ g
- content: "-";% V/ y+ I) ^5 S& W
- }
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