body {
font-family: 'Lucida Sans', 'Lucida Sans Regular', 'Lucida Grande', 'Lucida Sans Unicode', Geneva, Verdana, sans-serif;
}


table {
  border-collapse: collapse;
  width: 90%;
  max-width: 800px;
  min-width: 100px;
  margin: 0 auto;
font-size: 22;
}

td {
  border: 1px solid #ccc;
  padding: 10px;
  height:100%;
  vertical-align: middle;
  height: 40px; 

}

td:nth-child(1) {
  background-color: #f2f2f2;
  width:50%;
}
td:nth-child(2) {
  background-color: #f2f2f2;
  width:5%;
}

td:nth-child(3) {
  background-color: #f2f2f2;
  align-items: center;
  text-align: center;
  width:40%;
}
td:nth-child(4) {
  background-color: #f2f2f2;
  text-align: left;
  width: auto;
}

h1{
  text-align: center;
}


input[type="number"] {
 
  padding: 5px;
  text-align: center;
  font-size: 1.2rem;
  width: 50%;
  font-family: 'Lucida Sans', 'Lucida Sans Regular', 'Lucida Grande', 'Lucida Sans Unicode', Geneva, Verdana, sans-serif;
}

output {
  font-weight: bold;
  font-size: 1.2rem;
}

.container {
  text-align: center;
}