body>main {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: calc(100vh - 7rem);
  padding: 1rem 0;
}

.container:before{
  background: linear-gradient(0, transparent 33%,#e9cbe8,#ddcef4,#d0d3f2,#cbd4f5);
  content: "";
  filter: blur(3rem);
  opacity: .25;
}
.container{
  width: 700px;
}

body>footer {
  padding: 1rem 0;
}