html {
  display: table;
}

body {
  display: table-cell;
}

html, body {
  height: 100%;
  width: 100%;
  font-family: Arial, Helvetica, sans-serif;
}

table{
  width: 100%;
} 
th ,td {
    border: 1px solid rgb(0, 0, 0);
    border-radius: 10px;
    padding: 15px;
}

th {
    background-color: #801010;
    color: white;
}

hr{
    border-top: 5px solid #bbb;
    border-radius: 5px;
    width: 75%;
}