* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
/*body,
html {
  height: 100%;
  overflow: hidden;
}*/
.flex {
  display: flex;
  flex-direction: column;
  height: 100vh;
}

td,
th {
  padding: 0.5rem 1rem;
}
th {
  background-color: lightgray;
}