.bg-cover {
    background-image: url("images/cover.jpg");
    background-repeat:no-repeat;
    min-width: 100%;
  }
  nav a{
    color: white;
    font-size: 12px;
    text-transform: uppercase;
    border: 1px solid transparent;
    padding: 3px 10px;
    border-radius: 3px;
  }
  a.active,a:hover{
    border: 1px solid white;
    transition: 0.5s;
  }
  .container{
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
  }