.avatar{background-color:var(--paper);background-image:url("assets/agent-portraits.png");background-repeat:no-repeat;background-size:300% 300%;color:transparent}
.avatar.portrait-set-neutral{background-image:url("assets/agent-portraits-neutral.png")}
.portrait-0{background-position:0 0}.portrait-1{background-position:50% 0}.portrait-2{background-position:100% 0}.portrait-3{background-position:0 50%}.portrait-4{background-position:50% 50%}.portrait-5{background-position:100% 50%}.portrait-6{background-position:0 100%}.portrait-7{background-position:50% 100%}.portrait-8{background-position:100% 100%}
.sr-only{clip:rect(0,0,0,0);height:1px;margin:-1px;overflow:hidden;padding:0;position:absolute;white-space:nowrap;width:1px}