div {
    background-color: white;
    border-radius: 25px;
    padding: 20px;
   
}
body{
    background-color: skyblue;  
}
h1{
    text-align: center;
}
video{
    display: block;
    margin-left: auto;
    margin-right: auto;
}
table{
    margin-left: auto;
    margin-right: auto;
    color: white;
    border-radius : 15px;
    background-color: darkgrey;
    padding :15px;
}