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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!">: h3 U6 n o/ Z% ]- k
- Label for your tooltip
8 g' ~4 T+ w/ D/ v - </span>
复制代码CSS代码: - .tooltip-toggle {; P6 w+ C9 U4 O6 f7 U
- cursor: pointer;
* b+ i7 H5 [) c. c - position: relative;
+ `, V" p$ o+ j6 E6 u1 F - }
% P' L# R* w+ j. Y - .tooltip-toggle svg {
% O- e$ y' Q+ j* K6 Q - height: 18px;
' x3 Q2 t2 I7 @, K - width: 18px;
- ^0 X+ B: H0 X. D4 B! q+ P* t# {; X - padding-right: 0.5rem;
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- .tooltip-toggle::before {
0 m6 [% ^- H5 x% Q( X4 i W - position: absolute;
& z4 R% Q* D- Y$ l* Y, A5 W- Y - top: -80px;
$ k$ u* S+ D( T/ y# b4 v9 V# a( _( A - left: -80px;
; V. K# M+ v# K! l l$ a - background-color: #2B222A;
, Q& k# l. w* H* [ - border-radius: 5px;
* Z c( ~; I# [1 L+ q( ~ - color: #fff;* c2 q- d7 x5 Y6 w" O8 O
- content: attr(data-tooltip);
/ K+ Q$ A$ O5 d: m - padding: 1rem;! A" K0 \5 W$ w& |+ u- q+ q
- text-transform: none;$ g! H! J( F8 K+ D
- -webkit-transition: all 0.5s ease;: H% o% r; B$ A) I" M' z4 \
- transition: all 0.5s ease;
! P- n& V$ q; G3 t - width: 160px;
0 w- Q* V) f$ O6 X, U - }
& S+ j" r; P' N - .tooltip-toggle::after {
6 Q6 `3 _0 S4 x7 T* I+ k1 s( [ - position: absolute;
9 b9 A0 c+ [, k( l( X - top: -12px;
. T8 R* B5 e9 C! G# D" o - left: 9px;8 m s* b4 o$ y- L4 ^& j3 B
- border-left: 5px solid transparent;
$ M* J" ^# e* S' c- k - border-right: 5px solid transparent;- g7 R& `: G1 p" i/ K
- border-top: 5px solid #2B222A;
2 }, Z, o7 ] d f9 ~" Z - content: " ";+ @7 ~2 e' A6 d. h/ E" `7 [! G
- font-size: 0;9 G* o3 C8 a* T. j9 Q
- line-height: 0;
& s- r* A; K/ r+ e9 m1 ]( z - margin-left: -5px;) e. \! b# ~" `3 ?3 C8 N) i3 c+ ^
- width: 0;% Y3 r6 P, S0 e, N4 @+ ~
- }- u. i& ?, K% k* E1 N; B
- .tooltip-toggle::before, .tooltip-toggle::after {
/ O/ Y3 v1 p" D0 I; j- B - color: #efefef;
$ |6 P. y/ L. [7 D/ t7 s - font-family: monospace;
8 S1 N* V7 e8 x - font-size: 16px;* i( x3 z6 o- a& S
- opacity: 0;
4 Q+ t0 I$ l' t4 C* ~$ B - pointer-events: none;. R+ U4 O+ n2 q4 @ U
- text-align: center;2 v. E/ ?$ [% ?" {' b
- }
* f% N: _5 H0 o' r9 u - .tooltip-toggle:hover::before, .tooltip-toggle:hover::after {. u* \6 @- s* @4 ~3 N
- opacity: 1;
9 F( L8 O) ?( _) r# A4 j - -webkit-transition: all 0.75s ease;! Z0 X) ?+ ?' E7 j0 P/ ~8 x
- transition: all 0.75s ease;- E5 S+ Q9 x/ b/ r) u 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"># g5 ]) B% Y9 G& K/ Q
- <ul class="nav-items"># d! { v: C' M9 ?" Q0 ~, M" s
- <!-- Navigation -->" t0 {8 ~2 i" y% n
- <li class="nav-item"><a href="#">Home</a></li>
1 m( o1 r. O, n- L S5 F% c - <li class="nav-item"><a href="#">About</a></li>: d2 J2 c! H4 J' @1 r2 B
- <li class="nav-item"><a href="#">Contact</a></li>' Z5 m, u& o7 p/ l4 P6 K
- <!-- Dropdown menu -->) u5 x( N5 g2 l9 G' [
- <li class="nav-item nav-item-dropdown">
) _6 X* `- y3 E+ a# \; { - <a class="dropdown-trigger" href="#">Settings</a>$ | L/ U# ?/ C# J) U1 S/ @5 G& @
- <ul class="dropdown-menu">$ `' j6 x; A- c7 x" y' R3 a
- <li class="dropdown-menu-item">& T0 ^" q. f, W% U+ j* j1 `
- <a href="#">Dropdown Item 1</a>% a9 `* M" v+ d1 f/ y0 u* s* d) g
- </li> o' T* u$ {" E5 ?: k! [6 \, k
- <li class="dropdown-menu-item">
2 o- t9 J, q2 a- C3 j5 Z3 y* [) U - <a href="#">Dropdown Item 2</a>
$ Q6 Q0 E2 C |- F2 }. w4 e4 W - </li>, q2 t- |2 A; ] |5 G
- <li class="dropdown-menu-item">
' k3 n. A* W2 d) a! Y# { - <a href="#">Dropdown Item 3</a>
- }8 ]7 q" W% ?2 h - </li>
; P8 x; w- z+ u# u - </ul>
* U# R4 R: M! y7 ^7 T: \* q' S - </li>
+ P2 E& m& ^2 B3 o! \' p, Q - </ul>
O' m+ P6 i. ?6 `0 P - </div>
复制代码对应的CSS代码如下: - .nav-container {. S8 @8 T% |( \
- background-color: #fff;
! e) [. r# N2 k: X# Y }! h - border-radius: 4px;- t9 P: n2 @ K' s i& w) V3 M
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);
; @. t0 O0 C1 G+ c0 _6 R9 v - padding: 1em; y) \, Y3 b, f3 F) ?; c& _$ n
- border: 1px solid #eee;
7 T' X, P n6 F4 L - display: block;
0 ?$ ~! b! B. p- Q7 g* Y - max-width: 400px;
[. X1 s$ n; M- z1 X9 @' [) j( ] - margin: 0 auto;
# Y: U) d d1 \3 B$ c9 m2 `2 t - text-align: center; r4 [! H# c3 E# T- z- Q
- }9 o5 I! m5 w. F: T3 o7 ~( y9 j
- ul,9 k" T! i( H+ U( Z
- li {; G+ H2 @" o7 A
- list-style: none;8 \2 W9 M, i$ s8 w. U0 W
- -webkit-padding-start: 0;' M) b- L6 M& t6 E; r" T; D0 n* \
- }! Y# k |- U" M
- a {
" u1 `8 p4 v/ ~, k% d - text-decoration: none;0 W' V, j! k/ D" {
- color: #ED3E44;
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- .nav-item {
. u& {& x8 b/ V- a - padding: 1em;
! `; t, M6 R" A- c4 u* | - display: inline;
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- .nav-item-dropdown {
; M/ V: ?: B y8 J4 \ - position: relative;9 H: @) ?$ {3 R) ]1 W
- }- {6 v0 v% s& E! i3 F
- .nav-item-dropdown:hover > .dropdown-menu {
: t9 H- g1 R' ] - display: block;
7 j" s# a6 n6 T4 N# G - opacity: 1;& x9 A E( t$ f2 J
- }
3 n0 X) i5 Y- s Y - .dropdown-trigger {" c1 U5 ?9 X" {$ N' y9 \# T1 ?
- position: relative;% P; ]1 ~6 v6 m0 V0 G0 Z, T2 A
- }/ A0 L) n) T$ j: [0 E+ p
- .dropdown-trigger:focus + .dropdown-menu {; U2 ?" E% H8 D8 B
- display: block;( P& d9 S' R4 N6 K) d. R7 ~
- opacity: 1;5 l+ s( p; ?7 t6 ^; f( m
- }$ e; R9 s5 R M1 h7 b2 \/ ?
- .dropdown-trigger::after {
/ K& P, c) K. {+ O: H# \% i - content: "›";
5 w5 f/ O$ O. c* Q" u) T# P - position: absolute;; j. R8 m4 j: S R) o
- color: #ED3E44;
/ }- B2 {) z7 J7 y2 a& r - font-size: 24px;
- D0 O/ e; ~ S" @) H# B | - font-weight: bold;1 j+ ~* \5 q" z/ `# I' P V
- -webkit-transform: rotate(90deg);
8 Y1 r6 w! a" q - transform: rotate(90deg);
# B4 z/ o$ s) Z, Y7 o% X" ? - top: -5px;" i" `& s' V' f# T* l( Y# M
- right: -15px;
5 ~$ r+ j# | g7 A4 X - }
9 T9 K r" B$ y! X1 B4 i0 o - .dropdown-menu {) L9 e! c! i3 d
- background-color: #ED3E44;
& T7 A8 p- E3 j x2 M/ ~ - display: inline-block;
" V7 H2 A- o3 ]* Q - text-align: right;
5 X* b' V, q& n! d" S - position: absolute;9 Q; V1 Y" b1 u t3 Y+ Z
- top: 2.5rem;
. X# F1 J; T( F: T" q4 y - right: -10px;2 s# X$ T/ y" `" I1 o
- display: none;
" i, S) ]: e5 z* K9 r - opacity: 0;
5 w0 b. G. [' ]% z& B0 y, c - -webkit-transition: opacity 0.5s ease;: n+ n( I% X8 x+ h; O. N% Q5 b6 e
- transition: opacity 0.5s ease;
2 r( J8 C6 p5 i: Q& X1 ] - width: 160px;
3 k* u% d* K4 V - }
D6 O- H$ f" a, n; O - .dropdown-menu a {
, W! v9 j- Q( P; k* ?) _& S - color: #fff;! z, a1 f. `! d" p. h& Z
- }5 M" A* F$ [) N% k4 `+ j
- .dropdown-menu-item {
4 ~# v# a# r8 T1 ~8 E% I - cursor: pointer;) t$ [: {( \4 h
- padding: 1em;' x$ {5 ]% I2 Y( ?4 v
- text-align: center;
) N3 D U6 y$ Z, b$ w- q/ k - }( R" ~; E8 e( L- }5 v' Z, q/ o8 c
- .dropdown-menu-item:hover {( z6 o- E" F' }
- background-color: #eb272d;
X& S9 n+ E; n" i3 V2 h& w - }
复制代码
' u, q& n6 ~. Q+ ?! @4 z可见性切换 可以使用 CSS 的伪类 :checked 来实现. HTML代码: - <div class="toggle">& O8 y$ o/ |2 O) y) U* _5 w1 w
- <!-- Checkbox toggle -->1 B5 Y' g# b0 j0 K6 }+ i
- <input type="checkbox" value="selected" id="beethoven-joke" class="toggle-input">
: ?# i1 z( t# r8 e6 ` - <label for="beethoven-joke" class="toggle-label">What was Beethoven's favorite fruit?</label>
8 ], G+ s5 y L - <!-- Content to toggle from www.mfbuluo.com-->9 h/ _# n0 e, z* j0 [) }0 D
- <div role="toggle" class="toggle-content">) q- {! t# ^% j' G/ w: B: F& n
- BA-NA-NA-NA!$ w( r/ Q9 j4 R. O4 |+ F1 q
- </div>
! E5 d. E4 @ Y+ m$ a - </div>
复制代码CSS代码内容如下: - .toggle {/ P1 E+ t& `& b6 F
- margin: 0 auto;
) ]/ v0 E2 f6 Q! q- E - max-width: 400px;
3 ?) t3 W9 y; } - }
9 F6 k- O# H% |% { - .toggle-label {
+ c! P4 t! B8 p! J - font-size: 16px;) o0 }5 b* }& N
- background: #fff;
0 _; A% u& p0 q/ x4 D) R7 m - padding: 1em;$ f% L4 E% i6 O1 l
- cursor: pointer;$ c" H) Y" z Q- N. i4 c
- display: block;
1 f$ Z0 A. s0 x* g - margin: 0 auto 1em;' f# g5 y/ V% {8 l2 @& P
- box-shadow: 0 1px 2px 0 rgba(153, 153, 153, 0.35);6 B% d) O3 E: U" O/ w/ z
- border-radius: 4px;
! C" y3 |) H, Z9 ^: b- Q - }* K0 `# w. \! X3 W( }* g
- .toggle-label:after {
6 m+ L( x2 S% E ?' K$ ]3 |0 o - color: #ED3E44;
4 v5 I- K; _& v) `2 C - content: "+";
- R) O6 E; J% o$ `9 w" B - float: right;6 `/ u- o ~! H$ N! _+ t" {
- font-weight: bold;2 ~2 l% C1 N& M( ^7 I
- }
7 X2 ^9 ^8 l/ x - .toggle-content {8 u: Y6 g. r, v8 y! V
- color: #B0B3C2;/ P' T8 L% m, b8 Z# v
- font-family: monospace;( M. P" Y& C* ~8 p W4 |% i3 G8 u
- font-size: 16px;# c( J8 U# A) X' G
- margin-bottom: 1.5em;: W3 k& x! d2 S/ f' I6 B( r( M
- padding: 1em;# }* R/ s6 F" Q) ~
- }
+ Y$ R# ^5 }3 k9 ?7 x& M U+ _ - .toggle-input {" s2 Q" b9 b; s& v" R8 G
- display: none;
$ ?1 u- S9 v" \/ P3 G. Y - }
3 }3 E3 A5 v# d - .toggle-input:not(checked) ~ .toggle-content {* k7 y8 I* ^6 |; G# T) T6 y
- display: none;
7 Y) Z, Q5 ^5 G5 P) X* Q0 }. o" N - }" M7 T5 l0 L$ m! F1 j5 e8 c2 X
- .toggle-input:checked ~ .toggle-content {& P% \' ~4 H2 c+ _2 A
- display: block;/ V+ U! z1 V/ B* q3 G P3 w
- }+ ], i: {8 C" i4 p
- .toggle-input:checked ~ .toggle-label:after {
+ {3 s- k: c3 }1 b) Q7 ]( W - content: "-";! i% x. B! d* n$ O
- }
复制代码
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5 Y$ d+ ]5 N8 [( i9 @% ]; b, S% Q& B% A/ L3 f. e/ L0 r. K. A
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