.bg-secondary {
  background-color: #2c3e50 !important;
 }
 .copyright {
  background-color: #1a252f;
 }
 .bg-primary {
  background-color: #1abc9c !important;
 }
 nav{
  font-weight: 700;
 }
 .img-card{
  height: 18vw;
  object-fit: cover;
 }