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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!">9 Q7 v" e( B: Q+ [1 f
- Label for your tooltip! ~+ A$ h9 E. o) v D3 ]. f
- </span>
复制代码CSS代码: - .tooltip-toggle {7 H" \. P7 n5 C4 j
- cursor: pointer;
" E) m1 z& m* q$ U' P! h$ Z0 A - position: relative;3 X; Y/ s# s! L# @# [8 c9 P
- } |9 Y3 k+ P, ^4 L8 \% }) S! z
- .tooltip-toggle svg {
* f6 b# R/ L+ `6 K; K7 x - height: 18px;2 @; I, v$ P$ k. I
- width: 18px;# ^3 I! D8 e: t5 K0 r. F
- padding-right: 0.5rem;" S" _' \4 z- X+ g
- }1 q1 b: F+ j [
- .tooltip-toggle::before {* L$ s( Y1 _0 c! L+ I2 }
- position: absolute;
3 U m3 \+ o3 X8 b G1 J& r+ Y, b - top: -80px;1 p" o6 z* |5 T6 H
- left: -80px;
8 y( t4 F+ \5 Q( [) D - background-color: #2B222A;
# q1 G. v; G* g2 S4 }/ O - border-radius: 5px;4 s5 W3 \* [3 [) p1 \, e
- color: #fff;
% @4 ?$ o& i. K/ f - content: attr(data-tooltip);; [5 S" ?$ A! x7 Y$ Q& L
- padding: 1rem;; h p0 p9 O, Z3 l& e8 \2 x0 m+ y
- text-transform: none;% m1 m2 _# X5 f6 y" H
- -webkit-transition: all 0.5s ease;
% J& }7 S, E5 E+ g - transition: all 0.5s ease;4 s% x/ M% I* j- t
- width: 160px;& ]* S7 u. j) f, I O' \; z
- }0 z4 W8 E3 _7 F) \" l, @
- .tooltip-toggle::after {" j) `- C; _6 i8 x5 X
- position: absolute;- {3 p2 X) K/ W8 x
- top: -12px;
3 G4 r- {0 u( |$ O - left: 9px;2 \6 Y: A l4 B0 |
- border-left: 5px solid transparent;$ q2 F! b* d* o! W9 a3 O% t
- border-right: 5px solid transparent;
; G1 T! \+ C2 K( `/ D. e9 v) P% G - border-top: 5px solid #2B222A;
! I. h9 s3 z H* e' L+ I/ c - content: " ";
. |" D: S& \" R0 _ - font-size: 0;: B: p; g3 t9 n( D- H
- line-height: 0;/ q+ a; l9 D W# r, x! K" a' T
- margin-left: -5px;! n$ M! a: w& c A; F( t5 p T
- width: 0;
# O8 M( ~1 @6 H2 n. { - }
* S; K- ]5 z2 T. } - .tooltip-toggle::before, .tooltip-toggle::after {* s9 O+ }% s& s, t# E* L, D
- color: #efefef;& A# I* n# S: M4 C, s6 }: O
- font-family: monospace;9 H! F# h6 R+ P! K+ g& E1 \
- font-size: 16px;
/ t) d$ K4 C5 _% q - opacity: 0;- q) B, L& e t& X, i+ N# S
- pointer-events: none;
. q# u$ p+ u) R& E+ |3 G) p - text-align: center;
/ j: K [6 O% N$ I0 @ - }
$ r# @; N. m1 ]8 r! V" X - .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {
2 Q) o! U- ~4 A: E0 i* t3 _ - opacity: 1;! C2 A( N0 P f+ o5 S
- -webkit-transition: all 0.75s ease;6 L9 q4 E! i( M* o0 `+ O
- transition: all 0.75s ease;
4 N7 W" `0 r: H% S @8 Q( e - }
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">
# o1 N1 y# l8 }- q - <ul class="nav-items">
$ B8 m) Y* b5 g. w6 p- B - <!-- Navigation -->9 C( }0 @- s7 c3 O
- <li class="nav-item"><a href="#">Home</a></li>5 T& Z/ c$ I) t8 w) O
- <li class="nav-item"><a href="#">About</a></li>
; m' H2 g. J/ O9 E M) E - <li class="nav-item"><a href="#">Contact</a></li>
2 U1 \5 M! p( N6 ]! ]2 R; | - <!-- Dropdown menu -->
2 i3 t8 W3 N/ w! K" L7 P! @ Q) A - <li class="nav-item nav-item-dropdown">& D8 Z+ q7 D- k9 ~. I5 I
- <a class="dropdown-trigger" href="#">Settings</a>% y% z$ P! g$ `4 F3 Z
- <ul class="dropdown-menu">
$ E) f8 D1 }# P' W1 o - <li class="dropdown-menu-item">
1 P) o2 w+ K- T, N* a! o - <a href="#">Dropdown Item 1</a>, E( e0 u9 ]/ M) R
- </li>
9 M5 M. `* ]2 I# r6 z8 e6 q- ^, @ - <li class="dropdown-menu-item">2 q- A6 L3 J* Y3 b
- <a href="#">Dropdown Item 2</a>- u7 |. @5 J* n# q# T
- </li>
" a c/ u, ~$ x5 F/ p - <li class="dropdown-menu-item">1 C1 @- _. ?1 B: g0 ~
- <a href="#">Dropdown Item 3</a># ?" i7 x6 @( R4 \/ M
- </li>2 l; W& ~: A3 Y% e) Z, V
- </ul>+ H6 Y0 i" e& M$ y9 A, w
- </li>* O B/ E3 y+ f; V4 B* \" @/ @
- </ul>
! j$ x! u& I9 F0 c% X+ O - </div>
复制代码对应的CSS代码如下: - .nav-container { p% D# ~: N9 x* |0 E0 Y0 i6 V
- background-color: #fff;* w8 @9 [9 {2 S: x1 W. ]: _
- border-radius: 4px;
4 n8 Q% b2 M4 p - box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
' @- u; D( G7 j: G0 J - padding: 1em;
1 Q+ |4 e6 J4 r& H' b; L4 G - border: 1px solid #eee;
7 z; Y* \3 J% q. { S1 x$ S: k: ^ - display: block;. G) B# ?, J1 Q8 {: v
- max-width: 400px;
! V0 \8 `1 z, N6 T - margin: 0 auto;' V0 i0 V/ V. ~ U5 O+ D; X
- text-align: center;
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- ul,0 u5 S" w5 J& m8 C9 @: l
- li {/ L0 h+ s) G, c! t8 b
- list-style: none;
1 D3 D" l) X9 j8 U6 l/ l6 { - -webkit-padding-start: 0;$ l1 s, L9 l4 ~6 R6 x
- }
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- text-decoration: none;
. T# K0 Q* y0 V' c I. G - color: #ED3E44;1 o3 P$ b6 G" ]4 F
- }
1 x- z/ g! D2 c2 G) q - .nav-item {* \: W% `$ W' j6 y, z
- padding: 1em;* ~; g$ A8 |# c# A4 p' [. ^
- display: inline;7 U7 X( u$ C% H6 m
- }
5 [9 v7 N2 i/ f _9 u* k - .nav-item-dropdown {+ r/ _# e8 k* v: O
- position: relative;
% h' `" E- y, e- U5 P. @$ n - }
w& D2 Z- k1 m# u - .nav-item-dropdown:hover > .dropdown-menu {
: ]1 V' B2 t5 ]/ _# p; @2 h - display: block;
5 W# {: e9 T- {$ b6 t" ?" k - opacity: 1;
. z, W, j, m' Z& X: a: |# N3 r) [ - }0 K3 x/ ^3 I2 s4 [- @1 R7 H
- .dropdown-trigger {5 ~( D0 m' v2 O* H
- position: relative;1 v0 S- P \8 [2 s! l% V
- }
" q& Q1 k; [9 r - .dropdown-trigger:focus + .dropdown-menu {
1 `; G; C' a$ r+ F5 k7 E - display: block;* W+ R2 w* E4 A
- opacity: 1;& U+ Y6 I7 O7 K( m9 d4 Q- A/ L
- }
' y# k: p5 @" b7 a - .dropdown-trigger::after {
5 w1 t1 D/ ?3 k5 W" o2 y7 ` - content: "›";
9 Z0 ^2 R+ C7 P& j - position: absolute;
$ p, f+ P' ^- ~4 [& Y w4 L9 H: j - color: #ED3E44;
7 X4 \9 t2 i% [2 V5 O+ y& @! X- L - font-size: 24px;6 s; S% {) U/ d- U
- font-weight: bold;9 m: y6 n, g- g; p. T3 \8 U D1 d
- -webkit-transform: rotate(90deg);7 {- L' a8 J5 {: U, r, L# l
- transform: rotate(90deg);" J! D# q1 j! m. D
- top: -5px;* D9 ~, ]) f8 r, m
- right: -15px;
2 j7 M) p) ]0 S, ]. N( ~+ T' C - }2 ]9 R) g9 o1 n& [4 Y0 ]
- .dropdown-menu {% i+ y3 \& P \ L9 w
- background-color: #ED3E44;
' C. j/ U: \1 E8 _% j - display: inline-block;
6 J, f2 l! M0 d6 V- |# y& x! } - text-align: right;; |, _) f( }$ C; v
- position: absolute;
- W3 w- `8 b7 I, H5 T - top: 2.5rem;6 D/ Z/ \( d. u9 ]
- right: -10px;5 j6 n& u& B7 }6 X( y
- display: none;
) c* r) a. S6 H# | - opacity: 0;! ]) t% q: G9 L x
- -webkit-transition: opacity 0.5s ease;
' Q' I& h/ u' P+ _# p - transition: opacity 0.5s ease;
9 \- u" T7 y$ g& y3 i1 ^) Y - width: 160px;
& T( C$ ^( T. `7 e6 g: Z - }
9 P& M1 F5 |* j% i4 I8 S5 C D! O - .dropdown-menu a {$ @8 [3 F2 m% q4 k1 m
- color: #fff;" I' J% P) o9 ^, E
- }
/ w0 j/ U# n$ W$ C2 ~1 o) t/ N7 ~" u) W - .dropdown-menu-item {
0 `- P* ]8 [/ N$ X; f, N - cursor: pointer;+ r) Y$ f2 n$ c; V: n" y# P
- padding: 1em;
3 q6 c" _7 ^" j1 y9 z - text-align: center;
2 ~6 H4 O4 w/ t" ~' _$ d* Z - }# O7 R9 g: j% o. ]5 {4 X
- .dropdown-menu-item:hover {. Z. J$ s2 S! r, R
- background-color: #eb272d;
( ]# W* J5 a, q' x2 e - }
复制代码 ' \7 c' C T1 Y6 V) O! v
可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">: ~7 Y P' j4 G* w' E. W7 K8 n
- <!-- Checkbox toggle -->0 w# g8 S3 D# p( h% j
- <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">
9 l: k7 W! L! [( l i - <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>
9 T! i% @% g* I4 T9 I1 k - <!-- Content to toggle from www.mfbuluo.com-->
" c \0 M% f( q, o2 c - <div role="toggle" class="toggle-content">
9 H$ E+ A+ \7 r" Y! @- G - BA-NA-NA-NA!
0 J8 L3 _- d% T: Z8 { - </div>
# o/ u- L, r: X" x - </div>
复制代码CSS代码内容如下: - .toggle {
# u8 d4 @$ x- h8 Y# l$ T$ r2 Y - margin: 0 auto;3 ~: T( H, ]1 ~8 g
- max-width: 400px;
6 `0 r/ |8 z8 V - }
; i6 d |4 [% E- F/ C7 T+ ? - .toggle-label {- N% f' a0 i8 l, V8 @2 A# [
- font-size: 16px;
9 t x2 D4 y& H6 a( | - background: #fff;
) x/ R+ ~! u- l' s7 `) Q! V! T# B - padding: 1em;0 ~$ r4 V4 L e8 l5 \# _
- cursor: pointer;
5 D# ]( r* u/ l* h - display: block;& ?8 O% a" o3 n. @1 `
- margin: 0 auto 1em;, [6 d" A% _& ?- Y8 s9 n' q% B1 U3 c
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
/ h' d: N; l0 W - border-radius: 4px;
" y7 k: w1 T' ] q - }
, f) N" h3 E# K1 Z- p' J8 V; w - .toggle-label:after {3 S. ^; Q/ V2 g! m" ~9 Z
- color: #ED3E44;
7 y9 m% G8 ^1 ?$ }4 [. U1 i - content: "+";
" v% l2 E9 ^: B - float: right;# F2 W2 g& h& U' e! Z
- font-weight: bold;3 W7 z+ |. t3 A% }8 M
- }
! ]+ q" W0 Y: N( ?8 ^( u7 d. j - .toggle-content {
0 C; p2 @0 e8 \) k+ w; Y - color: #B0B3C2;. W1 ~2 u) r& \4 s& A' u$ r! X
- font-family: monospace;
+ Y+ y* f2 i) X# F- s0 Y/ c - font-size: 16px;$ m- J. n! }" A' G
- margin-bottom: 1.5em;
+ L) \7 @7 Z5 n) P$ z$ B" B ] - padding: 1em;
) f5 `2 \$ ?+ z% M/ H+ K - }) H6 w4 g% y8 z7 a% e* E
- .toggle-input {
. }+ i, M& \& u6 g4 Q# C: {7 [; f - display: none;9 Q0 P |+ i6 Q. ]
- }
+ l' _' m, z% T0 A" \- g% g: B - .toggle-input:not(checked) ~ .toggle-content {2 \( @+ t* t6 B% w
- display: none;3 J- L+ Q" v# \1 X5 m- y3 d/ n8 d5 o) o
- } }: D% P( M! h
- .toggle-input:checked ~ .toggle-content {# y3 H( t0 b! V
- display: block;
; \3 s' ~7 U/ @6 Z2 T# V3 S - }) t* i: A8 Z2 o Y
- .toggle-input:checked ~ .toggle-label:after {
) _+ G2 f8 E Q9 v* h4 T* b$ s - content: "-";9 d- Y- L1 g' L% a5 m
- }
复制代码 % A4 b, T5 a' ?# Z j& F$ i
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