#glass{position:absolute;border-radius:50%;box-shadow:0 0 0 7px rgb(255 255 255 / .85),0 0 7px 7px rgb(0 0 0 / .25),inset 0 0 40px 2px rgb(0 0 0 / .25);display:none;background-repeat:no-repeat;background-color:rgb(0 0 0 / .6)}