.main{background-color:#f0fff0;width:100%;height:100%;position:fixed}#galleryButt.button,div.card{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%)}div.ui.container.middle{left:50%;display:inline-block;width:auto}@media (max-width:960px){#backButt.button{position:fixed;top:2%;left:2%}}@media (min-width:961px){#backButt.button{position:fixed;top:2%;left:1%}}