body,
input,
textarea,
select,
button,
td,
table,
th,
thead,
tbody {
  font-family: 'Roboto Mono', monospace;
  font-size: 14px;
  color: #333;
  background-color: #f5f5f5;
  margin: 0;
  padding: 0 0px;
}

input {
  width:15em;
  border-radius: 4px;
  padding: 0 6px;
  border: 1px solid;
}

.flex {
  display: inline-block;
}

.orange {
  background-color: orange;
}
.green {
  background-color: lightgreen;
}
button {
  border-radius: 8px;
  padding: 0 6px;
  border: 1px solid;
}