  <style>
    table.center {
    width:100%; 
    margin-left:0%; 
    margin-right:0%;
  }

  table#customers {
    width:100%; 
    margin-left:0%; 
    margin-right:0%;
  }

#customers {
  font-family: Arial, Helvetica, sans-serif;
  border-collapse: collapse;
  width: 100%;
}

#customers td, #customers th {
  border: 0px solid #ddd;
  padding: 8px;
}
#customers tr:nth-child(even){background-color: #f2f2f2;}
#customers tr:hover {background-color: #f2f2f2;}
#customers th {
  padding-top: 12px;
  padding-bottom: 12px;
  text-align: left;
  background-color: #33333;
  color: white;
}
input[type=text], select {
  width: 100%;
  padding: 8px 12px;
  margin: 4px 0;
  display: inline-block;
  border: 1px solid #ccc;
  border-radius: 4px;
  box-sizing: border-box;
}
input[type=password] {
  width: 100%;
  padding: 8px 12px;
  margin: 4px 0;
  display: inline-block;
  border: 1px solid #ccc;
  border-radius: 4px;
  box-sizing: border-box;
}

input[type=submit] {
  width: 100%;
  background-color: #0222f2;
  color: white;
  padding: 8px 12px;
  margin: 2px 0;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

input[type=submit]:hover {
  background-color: #277ee3; 
}
</style>