stylePHP.css

table,
th,
td {
  border: 1px solid black;
  text-align: left;
}
table {
  border-collapse: collapse;
  width: 80%;
  margin-left: 10%;
  margin-right: 10%;
}
th {
  height: 30px;
}

body {
  text-align: center;
}

input[type="text"] {
  width: 10%;
  padding: 1px 2px;
  margin: 2px 2px;
  display: inline-block;
  /* border: 1px solid rebeccapurple; */
  border-radius: 4px;
  box-sizing: border-box;
  text-align: left;
}

label {
  width: 20%;
  padding: 1px 2px;
  margin: 2px 2px;
  display: inline-block;
  border-radius: 4px;
  box-sizing: border-box;
  text-align: left;
}

#Pricelist label,
#Quantitylist label{
  width: 20%;
  font-size: 0.8em;
  padding: 1px 2px;
  margin: 2px 2px;
  display: inline-block;
  border-radius: 4px;
  box-sizing: border-box;
  text-align: left;
  background-color: lightgray;
}

#formdata {
  width: 33%;
  border: 2px solid maroon;
  margin: auto;
  padding: 10px;
}
#num {
  margin-left: 25px;
}

input[type="submit"] {
  width: 35%;
  background-color: teal;
  color: white;
  padding: 10px 20px;
  margin: 8px 0;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

input[type="submit"]:hover {
  background-color: #45a049;
}