.jumbotron {
    background: url(../images/bg.png) no-repeat center left;
    background-size: cover;
    background-color: #000;
    padding: 6rem 0rem;
    border-radius: 0px;
}
.number {
    background-color: #f8a642;
    border-radius:50px;
    width:25px;
    height:25px;
    text-align:center;
}
li.nav-item.buy, li.nav-item.buy a.nav-link {
  background-color: #f8a642;
  font-weight: 700!important;
  letter-spacing: 1px;
  font-size: 16px;
  color: #fff!important;
  border-radius: 25px;
}

li.nav-item.buy:hover, li.nav-item.buy a.nav-link:hover {
  color: #000!important;
}
@media (max-width: 768px) {
.jumbotron {
    background: initial;
    background-size: cover;
    background-color: #00d4ff;
    padding: 2rem 0rem 0rem 0rem!important;
}
h1, .h1 {
    font-size: 35px;
    line-height: 40px;
}
.heading {
    padding-bottom: 30px;
}
.section {
    padding: 30px 0;
}
}