style.css

/* CSS files add styling rules to your content */

body {
  font-family: helvetica, arial, sans-serif;
  margin: 2em;
}

div {
  margin: auto;
  width: 100%;
  text-align: center;
}

#count {
  font-size: 250px;
}

#navbuttons {
  padding-inline-start: 0;
  padding-left: 0;
}

#navbuttons li {
  list-style: none;
  width: 100%;
  text-align: center;
  line-height: 50px;
  margin-bottom: 10px;
}

#plates {
  padding-inline-start: 0;
  padding-left: 0;
}

#plates li {
  float: left;
  list-style: none;
  width: 45%;
  text-align: center;
  line-height: 50px;
  margin-bottom: 10px;
  margin-right: 10px;
  background-color: lightgrey;
  font-size: 25px;
}

.button {
  border-radius: 5px;
}

a.button {
  background-color: #778899;
  color: white;
  text-decoration: none;
  display: block;
}

button.button {
  width: 49%;
  border: none;
  padding: 14px 28px;
  font-size: 16px;
  cursor: pointer;
  text-align: center;
}

input.weight {
  width: 100%;
  line-height: 50px;
  margin-bottom: 10px;
  font-size: 48px;
}

button.calculate {
  width: 100%;
  background-color: #6495ED;
  font-size: 25px;
}

button.clear {
  background-color: #d11a2a;
}
button.increment {
  background-color: #4CAF50;
}