body {
  font-family: 'Special Gothic Expanded One';
  background:
      radial-gradient(circle farthest-side at 0% 50%,#232323 23.5%,#0000 0)22.05px 31.5px,
      radial-gradient(circle farthest-side at 0% 50%,#151515 24%,#0000 0)19.95px 31.5px,
      linear-gradient(#232323 14%,#0000 0, #0000 85%,#232323 0)0 0,
      linear-gradient(150deg,#232323 24%,#151515 0,#151515 26%,#0000 0,#0000 74%,#151515 0,#151515 76%,#232323 0)0 0,
      linear-gradient(30deg,#232323 24%,#151515 0,#151515 26%,#0000 0,#0000 74%,#151515 0,#151515 76%,#232323 0)0 0,
      linear-gradient(90deg,#151515 2%,#232323 0,#232323 98%,#151515 0%)0 0 #232323;
  background-size: 42px 63px;
  background-color: #232323;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

iframe {
  max-width: 800px;
  margin: auto;
  min-height: 500px;
}