header {
  height: 100vh;
  font-family: 'Montserrat', sans-serif;
  background-image: url(../images/фон.jpg);
  /*background-color: #f7f7f7;*/
  /*background-repeat: no-repeat;*/
  background-size: cover;
  /*background-position: top center;*/
  /*background-position: center;*/
  background-attachment: fixed;
  /*text-shadow: 0 1px 3px rgba(0,0,0,.5);*/
}
header .navbar-light {
  padding-right: 0px;
  padding-left: 0px;
}
header .navbar-brand.sss {
  margin-left: -2px;
  letter-spacing: 3px;
  color: #fff;
  font-weight: 500;
  font-size: 20px;
  text-transform: uppercase;
}
header .navbar-nav .nav-item .nav-link {
  margin-right: -12px;
  margin-left: 30px;
  letter-spacing: 3px;
  color: #fff;
  font-weight: 500;
  font-size: 12px;
  text-transform: uppercase;
}
header .jumbotron-fluid {
  padding-top: 130px;
  color: #fff;
  background: none;
}
header .jumbotron-fluid p.name {
  letter-spacing: 2.5px;
  font-weight: 500;
  font-size: 14px;
  text-transform: uppercase;
}
header .jumbotron-fluid h1 {
  font-family: 'Fira Sans Extra Condensed', sans-serif;
  font-weight: 500;
  font-size: 50px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}
header .jumbotron-fluid p span {
  font-weight: 600;
}
header .btn {
  margin-top: 30px;
  margin-right: 5px;
  padding-left: 40px;
  padding-right: 40px;
  height: 60px;
  letter-spacing: 1px;
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  -webkit-box-shadow: 0px 4px 4px rgba(0, 0, 0, 0.25);
          box-shadow: 0px 4px 4px rgba(0, 0, 0, 0.25);
  border-radius: 3px;
}