.Mamao{
    background-color: slateblue;
    color: white;
    border: 2px solid indigo;
    margin: 10px;
    padding: 10px;
    width: 160px;
    height: 100px;
}
th{
border: 1px solid dimgray;
}
td{
border: 1px solid dimgray;
}
#tabela1{
    padding: 4px;
    text-align: center;
}
tr:nth-child(even){background-color: gray;}
tr:hover{background-color: mediumaquamarine;}
th{background-color: mediumseagreen;}