.upmd_div_tab_botones {
    overflow: hidden;
    border: 1px solid #ccc;
    background-color: #f1f1f1;
}

.upmd_boton_inactivo {
    border: none;
    outline: none;
    cursor: pointer;
    padding: 14px 16px;
    transition: 0.3s;
}

.upmd_boton_activo{
    background-color: #ccc;
    border: none;
    outline: none;
    cursor: pointer;
    padding: 14px 16px;
    transition: 0.3s;
    border: 2px solid black;
}

.upmd_boton_inactivo:hover {
    background-color: #ddd;
    border: 1px solid black;
}

.upmd_field{
    display:inline-block;
    width: 50%;
    border: solid 2px #2b2b2b;
}

.upmd_form{
    display: grid;
    width: 90%;
    grid-gap: 16px;
    text-align: center;
}

label, #upmd_buscar_archivo {
    grid-column: 1 / 2;
}

.submit_btn {
    font-weight: bold;
}
 
input,
select,
button {
    grid-column: 2 / 3;
}

iframe {
    width: 100%;
    background-color: white;
    grid-column: 1;
    display: none;
}