:is(.beer,beer-css){.front{z-index:10!important}.back{z-index:-10!important}.left{inset-inline-start:0}.right{inset-inline-end:0}.top{inset-block-start:0}.bottom{inset-block-end:0}.center{inset-inline-start:50%;transform:translateX(-50%)}[dir=rtl] .center{transform:translateX(50%)}.middle{inset-block-start:50%;transform:translateY(-50%)}.middle.center{transform:translate(-50%,-50%)}[dir=rtl] .middle.center{transform:translate(50%,-50%)}}