.masthead {
    height: 705px;
    text-align: center;
    padding-top: 130px;
    background: url('../photomode/Fondob.jpg');
    background-size:  cover ;
    background-position: 50%;
    background-repeat: no-repeat;
}


.avcdf {
  height: 65vh;
  min-height: 10px;
  background-image: url('../photomode/Fondob.jpg');
  background-size: cover;
  background-position: 100%;
  background-repeat: no-repeat;
}

.mastheadb {
  height: 15vh;
  min-height: 10px;
  background-image: url('../photomode/banner.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.first-nav{
    background: white;
}

.second-nav{
    top: 40px;
}

.thumbnail {
border: 0;
}

.form-control:focus{
  border-color: #000;
  box-shadow: none;
}

.form-control{
   border: 0;
    border-bottom: 1px solid #ced4da;
}

.modal-header {
    border-bottom: 0 none;
}

.modal-footer {
    border-top: 0 none;
}