Square avatars, a textarea bugfix, less padding, and a better font for Discord.

injector.js

var font = "Roboto", monofont = "Roboto Mono",
d=document,s=d.createElement('style');s.textContent="body,input,textarea{font-family:'"+font+"' !important}pre{font-family:'"+monofont+"' !important}.avatar-large,.avatar-profile,.avatar-small,.avatar-xlarge,.avatar-xsmall,.avatar-xxlarge{border-radius:10%}.guild-inner,.guilds-add{border-radius:10% !important;transition:filter 0.2s}.guild-inner:hover{filter: brightness(150%)}.message-group{padding:10px 0}textarea[placeholder^=Message][style='height:auto;']{height:20px !important}.emoji.jumboable{width:48px;height:48px}";d.head.appendChild(s);

style.css

@-moz-document domain("discordapp.com") {
body, input, textarea {
	font-family: 'Roboto' !important;
}
pre {
	font-family: 'Roboto Mono' !important;
}
.avatar-large, .avatar-profile, .avatar-small, .avatar-xlarge, .avatar-xsmall, .avatar-xxlarge {
	border-radius: 10%;
}
.guild-inner, .guilds-add {
	border-radius: 10% !important;
	transition: filter 0.2s;
}
.guild-inner:hover {
	filter: brightness(150%);
}
.message-group {
	padding: 10px 0;
}
textarea[placeholder^=Message][style='height: auto;'] {
	height: 20px !important;
}
.emoji.jumboable {
	width: 48px;
	height: 48px;
}
}