tabler/scss/ui/_avatars.scss

.avatar {
  position: relative;
  display: inline-block;
  width: 2rem;
  height: 2rem;
  font-size: .875rem;
  font-weight: 400;
  line-height: 2rem;
  color: $text-muted-light;
  text-align: center;
  text-transform: uppercase;
  vertical-align: bottom;
  user-select: none;
  background: $body-bg no-repeat center/cover;
  border-radius: 50%;

  .icon {
    font-size: 1.25em;
  }

  @at-root a#{&} {
    cursor: pointer;
  }
}

@each $avatar-size, $size in $avatar-sizes {
  .avatar-#{$avatar-size} {
    width: $size;
    height: $size;
    font-size: $size / 2;
    line-height: $size;
  }
}

.avatar-status {
  position: absolute;
  right: -2px;
  bottom: -2px;
  width: .75rem;
  height: .75rem;
  background: #98a9bc;
  border: 2px solid #fff;
  border-radius: 50%;
}

.avatar-list {
  padding: 0;
  margin: 0 0 -.5rem;
  font-size: 0;

  .avatar {
    margin-bottom: .5rem;

    &:not(:last-child) {
      margin-right: .5rem;
    }
  }

  a.avatar {

    &:hover {
      z-index: 1;
    }
  }
}

.avatar-list-stacked {
  .avatar {
    margin-right: -.5em !important;
    box-shadow: 0 0 0 2px #fff;
  }
}