body {
    font-family: "Helvetica", sans-serif;
}

h1 {
    text-align: center;
}

table {
  witdh: fixed;
   /* border: 1px solid black; */
}

th, td {
    border-bottom: 1px solid #ddd;
}

th {
    /*background-color: #33cc33; /* verd fluix */
    background-color: #4CAF50; /* verd */
    /*background-color: #ccb3ff;  /* magenta */
    color: white;
}

tr:hover {
    background-color: #f5f5f5;  /* gris */
}

tr.amagar {
  display: none;
}

table td:first-child { width: 400px } 
table td:nth-child(2) { width: 75px }
table td:nth-child(3) { width: 100px; text-align: right; padding-right: 5px; } 
table td:nth-child(4) { width: 95px; text-align: right; padding-right: 5px; } 
table td:nth-child(5) { width: 95px; text-align: right; padding-right: 5px; } 
table td:nth-child(6) { width: 80px; text-align: right; padding-right: 5px; }
table td:last-child { width: 125px }  
/*
table th {
    width: 30px;
    overflow: hidden;
    display: inline-block;
    white-space: nowrap;
}
*/

.center {
    margin: auto;
    width: 900px;
    border: 3px solid green;
    padding: 10px;
}