 #customers {
  font-family: Arial, Helvetica, sans-serif;
  border-collapse: collapse;
  width: 100%;
  border-radius: 10px;
}

#customers td, #customers th {
  border: 2px solid #fff;
  padding: 8px;
  border-radius: 10px;
}

#customers tr{
background-color:#f2f2f2;

}
#customers tr:hover {background-color: #f2f2f2;}

#customers th {
  padding-top: 6px;
  padding-bottom: 12px;
  text-align: left;
  background-color:#f2f2f2; 
  border-radius: 10px;
  color: white;
}