estilo.css

@import url('https://fonts.googleapis.com/css2?family=Open+Sans:wght@300&display=swap');

*{
    font-family: 'Open Sans', sans-serif;
}

.menu{
    background-color: #2d2acc;
    overflow: hidden; /*esconder o que não couber*/
    margin-bottom: 10px;
}
.menu a{
    float: left;
    color: #f1f1f1;
    text-align: center;
    padding: 10px;
    font-size: 17px;
    text-decoration: none;
}
.menu a:hover{
    background-color: #dddddd;
    color: #000000;
}
.menu a.ativo{
    background-color: #05090e;
    color: white;
    
}
.form{
    background-color:#2d2acc;
    color: #faf5f5;
    }
.form-group{
    display: flex;
    flex-direction: row;    
}
.form-group label{
    flex: none;
    display: block;
    width: 120px;
    font-weight: bold;
    font-size: 14px;
}
.form-group label.right-inline{
    text-align: right;
    padding-right: 8px;
    padding-left: 10px;
    width: auto;
}
.form-group .input-control{
    display: block;
    margin-bottom: 10px;
    margin-right: 8px;
    padding: 4px;
    flex: 1 1 auto;
}
button{
    color:#2d2acc;
    background-color: #d2c8ec;
    font-size: 15px;
    padding: 5px;
    margin: 5px ;
    cursor: pointer;
    min-width: 100px;
}
/*estilo da tabela obtido em https://divtable.com/table-styler/*/
table.paleBlueRows {
     border: 1px solid #FFFFFF;
    width: 100%;/*alterado manualmente*/
    height: 100px;/*alterado manualmente*/
    text-align: center;
    border-collapse: collapse;
  }
  table.paleBlueRows td, table.paleBlueRows th {
    border: 1px solid #FFFFFF;
    padding: 1px 2px;
  }
  table.paleBlueRows tbody td {
    font-size: 13px;
  }
  table.paleBlueRows tr:nth-child(even) {
    background: #8e8dee;
  }
  table.paleBlueRows thead {
    background: #2d2acc;
    border-bottom: 5px solid #FFFFFF;
  }
  table.paleBlueRows thead th {
    font-size: 17px;
    font-weight: bold;
    color: #FFFFFF;
    text-align: center;
    border-left: 2px solid #FFFFFF;
  }
  table.paleBlueRows thead th:first-child {
    border-left: none;
  }
  
  table.paleBlueRows tfoot {
    font-size: 14px;
    font-weight: bold;
    color: #333333;
    background:#2d2acc;
    border-top: 3px solid #444444;
  }
  table.paleBlueRows tfoot td {
    font-size: 14px;
  }