src/sass/_avatar.scss
.tm-avatar {
background-color: $avatar-background;
border-radius: 50%;
color: $avatar-color;
display: inline-block;
font-size: $avatar-size * $avatar-text-ratio;
height: $avatar-size;
line-height: $avatar-size;
text-align: center;
width: $avatar-size;
}
.tm-avatar--small {
font-size: 19px;
height: 40px;
line-height: 40px;
width: 40px;
}