body {
    background-color: whitesmoke;
    font-family: Arial, sans-serif;
    font-size:1em
}

table th {
  border: solid 1px black;
  padding: 10px
}

.buttons{
  display:flex;
  align-items:center;
  position:fixed;
  top:0;
  left:0;
  background-color: #eef;
  width:100%;
}