body{
    font-family: monospace;
}
table {
    border-collapse: collapse;
    width: 90%;
    margin-left: 5%;
}

tr, td {
    border: 1px solid #dddddd;
}

tr{
    vertical-align: center;
}
td{
    font-size: large;
}

th {
    text-align: center;
    font-size: x-large;
    background-color: #f8f9fa;
    border: 1px solid #dddddd;
}


button{
    border: none;
    cursor: pointer;
    background-color: #cccccc;
}

button:hover{
    background-color: #f8f9fa;
}