video{
    display: block; 
    margin: 0 auto;
}

table {
  border: 2px solid gray;
  background-color: rgb(228, 251, 228);
  border-radius: 30px;
  margin: 0 auto;
  overflow: hidden;
}

th, td {
  padding: 15px;
  border: 1px solid gray;
}

th {
background-color: rgb(178, 178, 236);
  color: white;
}