body { padding-top: 100px; }

.navbar {

  /* box-shadow: 2px 2px 5px #fff; 
  opacity: 0.9;*/
  height: 100px;
}

.navbar .nav-item .nav-link {
  color: #990000;
  font-size: x-large;
  font-style: bold;
}

.navbar .nav-item .nav-link:hover{
  background-color: #990000;
  color: #fff;
}

.main-header {
  position: relative;
  background: url(../img/background.jpg);
  background-size: cover;
  min-height: 700px;
}

.background-overlay {
  background: rgba(250, 0, 0, 0.664);
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.form-control, .btn{
  border-radius: 0;
}

.ir-arriba {
  display: inline-block;
  font-size: 20px;
  background:#990000;
  padding: 20px;
  color:#ffffff; 
  cursor:pointer;
  position:fixed;
  bottom: 20px;
  right: 20px;
}

.team, footer {
  background: #30336b;
}