html{
background:
;
color:
;
font-size:
;
font-family:
sans-serif
serif
cursive
fantasy
monospace
;
}
Button
<a>
<button>
.btn {
display:
inline
block
inline-block
inherit
none
;
width:
;
height:
;
font-size:
;
font-weight:
100
normal
bold
;
＋
margin:
;
margin-top:
;
margin-right:
;
margin-bottom:
;
margin-left:
;
＋
padding:
;
padding-top:
;
padding-right:
;
padding-bottom:
;
padding-left:
;
color:
;
background:
;
border-radius:
;
text-align:
start
end
left
right
center
justify
justify-all
match-parent
;
text-decoration:
;
outline:
;
cursor:
auto
default
pointer
crosshair
move
text
wait
help
not-allowed
transition:
s;
}
.btn:hover {
color:
;
background:
;
border-top:
;
border-right:
;
border-bottom:
;
border-left:
;
margin:
;
padding:
;
transition:
s;
}
.btn:active {
color:
;
background:
;
border-top:
;
border-right:
;
border-bottom:
;
border-left:
;
margin:
;
padding:
;
transition:
s;
}
.btn:hover:before {
content: "
";
}
.btn:hover:after {
content: "
";
}
.btn:active:before {
content: "
";
}
.btn:active:after {
content: "
";
}