.t1 {
  border-collapse: collapse;
  min-width: 350px;
  width: auto;
  margin: 10px auto;
}
thead tr{
  /*background-color : #557CBA;*/
  color: black;
  text-align: left;
}
td,th{
  padding:0.7em;
  text-align: left;
}
tbody tr, td, th {
  border: 1px solid #ddd;
  /*background-color : #CED4E5;*/
}