* {
  box-sizing: border-box;
  margin: 0;
}

.column {
  float: left;
  font-family: sans-serif;
  color: white;
  font-family: sans-serif;
}

.row:after {
  content: "";
  display: table;
  clear: both;
}

.hm {
  padding: 15px 35px;
  background-color: lime;
  color: white;
  text-decoration: none;
  border-radius: 100px;
}

.hu {
  padding: 15px 35px;
  background-color: white;
  color: black;
  text-decoration: none;
  border-radius: 100px;
}