.oframe {
  position: relative;
  width: 90%;
  max-width: 800px;
  margin: 0 auto;
  padding: 1em 2em;
  text-align: center;
}
.oframe::before {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  content: "";
  background:
    radial-gradient(circle at top left, transparent 20px, #093bb2 20px, #093bb2 23px, transparent 23px) left top / 23px 23px no-repeat,
    radial-gradient(circle at top right, transparent 20px, #093bb2 20px, #093bb2 23px, transparent 23px) right top / 23px 23px no-repeat,
    radial-gradient(circle at bottom left, transparent 20px, #89cae3 20px, #89cae3 23px, transparent 23px) left bottom / 23px 23px no-repeat,
    radial-gradient(circle at bottom right, transparent 20px, #89cae3 20px, #89cae3 23px, transparent 23px) right bottom / 23px 23px no-repeat,
    linear-gradient(90deg, transparent 20px, #093bb2 23px) left top / 51% 3px no-repeat,
    linear-gradient(-90deg, transparent 20px, #093bb2 23px) right top / 51% 3px no-repeat,
    linear-gradient(90deg, transparent 20px, #89cae3 23px) left bottom / 51% 3px no-repeat,
    linear-gradient(-90deg, transparent 20px, #89cae3 23px) right bottom / 51% 3px no-repeat,
    linear-gradient(180deg, transparent 20px, #093bb2 23px) left top / 3px 51% no-repeat,
    linear-gradient(0deg, transparent 20px, #89cae3 23px) left bottom / 3px 51% no-repeat,
    linear-gradient(180deg, transparent 20px, #093bb2 23px) right top / 3px 51% no-repeat,
    linear-gradient(0deg, transparent 20px, #89cae3 23px) right bottom / 3px 51% no-repeat;
}
.oframe::after {
  position: absolute;
  top: 10px;
  right: 10px;
  bottom: 10px;
  left: 10px;
  content: "";
  box-shadow: 0 0 0 1px #093bb2;
}
.oframe h2 {
  font-size: 30px;
  text-align: center;
  color: #093bb2;
}