.avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background-color: var(--bs-info-bg-subtle);
    color: var(--bs-info-text-emphasis);
    font-weight: 600;
    line-height: 1;
    flex-shrink: 0;
}

.avatar-sm {
    width: 1.75rem;
    height: 1.75rem;
    font-size: 0.675rem;
}

.avatar-md {
    width: 2.25rem;
    height: 2.25rem;
    font-size: 0.8rem;
}

.avatar-lg {
    width: 3rem;
    height: 3rem;
    font-size: 1rem;
}

.avatar-muted {
    background-color: var(--bs-secondary-bg);
    color: var(--bs-secondary-color);
}