body {
  background-color: #38353b;
  position: relative;
}
h1 {
  font-size: 60px
}
.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}
.main-title {
  font-size: 80px;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
  border-radius: 10px;
  background-image: linear-gradient(to right, #C8EAF5, #FBB9B9);
  border: 2px solid black;
  font-family: Tomorrow;
  margin-top: 50px;
}
.section-title {
  background-image: linear-gradient(to right, white, blue);
  border-radius: 10px
}
.background-aa {
  background-image: linear-gradient(to right, #CE7287, #8381C9);
}
.background-ab {
  background-image: linear-gradient(to right, #8381C9, #CE7287);
}
.background-ba {
  background-image: linear-gradient(to right, #EFC2C2, #ACCFD1);
}
.background-bb {
  background-image: linear-gradient(to right, #ACCFD1, #EFC2C2);
}
ul.nav-pills {
  top: 20px;
  position: fixed;
  float: left;
  margin-top: 50px;
}
div.col-11 div {
  width: 100%;
  float: right;
}
nav {
  background-image: linear-gradient(#F3CBE6, #F1A4CC);
  font-size: 11px;
  font-family: Anton;
}