button {
    background-color: black;
    color: white;
    padding: 7px;
    text-align: center;
    margin: 0 0 15px 0;
    font-size: 16px;
    border-radius: 5px;
}

table {
    border-collapse: collapse;
    border-spacing: 0;
    width: 100%;
}

th, td {
    word-wrap: break-word;
    font-size: 100%;
    text-align: left;
    padding: 5px 8px 5px 8px;

}

tr:nth-child(even) {
    background-color: #f2f2f2
}