.overlay{background-color:rgba(0,0,0,.3);position:fixed;top:0;bottom:0;left:0;right:0;z-index:10}.reader-button{position:fixed;bottom:15px;right:15px;padding:20px;z-index:15}.reader-button .v-icon{font-size:50px;-webkit-transition:all .2s ease-in-out;transition:all .2s ease-in-out}.reader-button.active .v-icon{font-size:70px}