body {

font-family: Arial, sans-serif;
text-align: center;
background-color: white;
padding-top: 50px;

}

h1 {
   color: black;

}

button {
    background-color: blue;
    color: white;
    border: none;
    padding: 10px 20px;
    font-size: 18px;
    cursor: pointer;
    margin-top: 20px;
    border-radius: 5px;
}

button:hover {
    background-color: rgb(12, 12, 125);

}

table {
   margin: 20px auto;
   border-collapse: collapse;
}
table, th, td {
    border-collapse: collapse;
}

table, th, td {
    border: 1px solid black
}

th, td {
    padding: 10px 20px;
}