header, 
.navbar-brand {
  min-height: 70px;
}

.sidebar {
  width: 260px;
  min-height: 100vh;
}
.sidebar .nav-link {
  color: #333;
  border-radius: 0.375rem;
  padding: 0.5rem 0.75rem;
}
.sidebar .nav-link i {
  width: 1.25rem;
  text-align: center;
}
.avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
}
.metric-card {
  border: 0;
  border-radius: 0.75rem;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}
.metric-card .metric-value {
  font-size: 1.5rem;
  font-weight: 700;
}