#tactividades {
    font-family: Arial, Helvetica, sans-serif;
    border-collapse: collapse;
    width: 100%;
}

    #tactividades td, #tactividades th {
        border: 1px solid #ddd;
        padding: 8px;
        text-align:center;
    }

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

    #tactividades tr:hover {
        background-color: #ddd;
    }

    #tactividades th {
        padding-top: 12px;
        padding-bottom: 12px;
        text-align: left;
        background-color: #04AA6D;
        color: white;
        text-align: center;
    }


.loader-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(255,255,255,0.6);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
}