_icons.styl

size(width = 30, height = 30)
    width width px
    height height px

.icons-home
    text-align center
    a
        display inline-block
        padding rem(15px)
        margin rem(2px)
        border-radius 50%
        border rem(2px) solid sec
        line-height 0
        transition all .7s
        .icon
            fill sec
            size(18,18)
            +above(cut)
                size()
        &:hover
            background sec
            .icon
                fill main

.down
    position absolute
    bottom 50px
    width 100%
    display block
    text-align center
    .icon
        align(both)
        size(100,100)
        fill sec
        animation pulse 1.3s infinite