test.css

li.voice-state:not([data-reactid*="452465370658373632"]) { display:none; }
.avatar {
content:url(https://cdn.discordapp.com/attachments/750025871955460237/816098506284204052/image0kk.png);
  height:auto !important;
  width:auto !important;
  border-radius:0% !important;
  filter: brightness(50%);
/*Change brightness to 100%, if you don’t want the image to dim*/
}

.speaking {
  border-color:rgba(0,0,0,0) !important;
  position:relative;
  animation-name: speak-now;
  animation-duration: 1s;
  animation-fill-mode:forwards;
  filter: brightness(100%);
content:url(https://cdn.discordapp.com/attachments/750025871955460237/816106149237489665/Crocs_talking.png);
}

@keyframes speak-now {
  0% { bottom:0px;  }
  15% { bottom:10px;  }
  30% { bottom:0px;  }
}

li.voice-state{ position: static; }
div.user{ position: absolute; left:40%; bottom:5%; }

body { background-color: rgba(0, 0, 0, 0); margin: 0px auto; overflow: hidden; }