.circulo {
      margin-left: 40%;
      width: 100px;
      height: 100px;
      border-radius: 150px;
    }


    .imgsize {

      width: 100;
      height: 100;
      margin-top: 25vw;
      border-radius: 150px;

      border: 3px solid #FFA900;
    }

    .subir_ {
      position: absolute;
      margin-bottom: 9%
    }
   
    
    .background-overlay {
      background: rgba(251, 4, 4, 0.6);
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
    }
    .navbar {
      box-shadow: 2px 2px 5px rgba(217, 255, 0, 1);
      opacity: 0.8;
    }
    
    .navbar .nav-item .nav-link {
      color: #000000;
    }