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

th, td {
    //text-align: left;
    padding: 8px;
}

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

th {
    background-color: #1f3682;
    color: white;
}

.conteudo .falta { background-color:#f7a5a5; padding: 4px 8px; border-radius: 6px; display:inline-block; }
.conteudo .quase { background-color:#ffffaa; padding: 4px 8px; border-radius: 6px; display:inline-block; }
.conteudo .avaliou { background-color:#a1ffae; padding: 4px 8px; border-radius: 6px; display:inline-block; }