header {
  
    background: 

      url(../pics/ptfront2.jpg);
    background-size: 100% 100%;
    width: 100%;
    min-height: 50vh;
  }
  
  .titlu {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    text-align: center;
  }
  h1 {
    text-transform: uppercase;
    margin: 0;
    font-size: 2rem;
    white-space: nowrap;
  }
  h2 {
    font-size: 1rem;
  }
  p {
    margin: 0;
    font-size: 1.3rem;
  }
  
  .text-theme {
    color: rgb(0, 6, 12)
  }

  .bg-theme {
    background: rgb(0,102,204);
    background: linear-gradient(90deg, rgba(0,102,204,1) 0%, rgba(0,102,204,0.7945378835127801) 100%)

  }
  .bg-imagine {
    background-color: #130f40;
    background-image: linear-gradient(315deg, #130f40 0%, #000000 74%);
    background-size: cover;
    height: 70vh;
    opacity: 0.85;
    border-radius: 20px;
  }


.bg-negru {
  background-color: #130f40;
  background-color: linear-gradient(315deg, #130f40 0%, #000000 74%);
}


div.polaroid {
  text-align: center;
  padding-top: 1.5vh;
  width: 80%;
  background-color: white;
  box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
  
}

div.containerul {
  text-align: center;
  padding: 10px;
}