// Reset html button resertBtn = -webkit-appearance none border 0 none padding 0 cursor pointer background-color transparent // Square buttons // Buttons that fill all available space squareBtn = color blanco display block height 100% line-height 23px width 100% text-align center // Center on all, check that your parent have postion: relative absoluteCenter = bottom 0 left 0 margin auto position absolute right 0 top 0 $clearfix = &:before &:after content '' display table clear both $margin-left = margin-left $default $margin-right = margin-right $default $margin-top = margin-top $default $margin-bottom = margin-bottom $default $margin = margin $default $padding-left = padding-left $default $padding-right = padding-right $default $padding-top = padding-top $default $padding-bottom = padding-bottom $default $padding-left-l = padding-left ($default * 2) $padding-right-l = padding-right ($default * 2) $padding-top-l = padding-top ($default * 2) $padding-bottom-l = padding-bottom ($default * 2) $padding = padding $default $border-left = border-left 1px solid grey $border-right = border-right 1px solid grey $border-top = border-top 1px solid grey $border-bottom = border-bottom 1px solid grey $border = border 1px solid grey