html, body {
  width: 100%;
  margin: 0;
  height: 100%;
  overflow: hidden
}
body {
  background-color: #fafff7;
}
.center {
  width: 100%;
  margin: 0 auto;
  text-align: center;
  position: absolute;
  top: 50%;
  transform: translate(0, -50%);
}
.ins {
  margin: 0 25%;
  box-shadow: 20px 20px 50px #f5f5f5, -20px -20px 50px #d5d5d5;
  border-radius: 500px;
  padding: 80px;
  background-color: #ffffff;
}
h3 {
  font: 16px "Montserrat", sans-serif;
  color: #b5b5b5;
}