* {
  padding: 0;
  margin: 0;
}
html,
body {
  width: 100%;
  height: 100%;
}

.pops-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.pops-inst {
  height: 30px;
  border: 1px solid #000;
  padding: 4px;
  border-radius: 4px;
  margin: 10px 0;
  cursor: pointer;
}