.box_bg(@bg:@gray){
background:@bg;
}
.outer_div_style(@width:1200px){
width:100%;
max-width:@width;
margin:0 auto;
}
.box_border(@border_style:@border1){
border:@border_style;
}
.box_shadow(@h-shadow:3px,@v-shadow:3px,@blur:2px,@color:@gray){
box-shadow:@h-shadow @v-shadow @blur @color;
}
#home_layer{
color: black;
.body-item{
.box_bg();
#swipercontainer{
width:100%;
height:300px;
}
.container{
.outer_div_style();
}
}
}
less中函数默认参数的使用