.container {
    width: 100%;
    padding-right: 15px;
    padding-left: 15px;
    margin-right: auto;
    margin-left: auto;
}
@media (max-width: 1600px) {
    .container {
        max-width: 1380px;
    }
}
@media (max-width: 1400px) {
    .container {
        max-width: 1260px;
    }
}
@media (max-width: 1200px) {
    .container {
        max-width: 1140px;
    }
}
@media (max-width: 992px) {
    .container {
        max-width: 960px;
    }
}
@media (max-width: 768px) {
    .container {
        max-width: 720px;
    }
}
@media (max-width: 576px) {
    .container {
        max-width: 540px;
    }
}
.conf_nav_wrap{
    display: grid;
    grid-template-columns: repeat(4,1fr);
    gap: 2em;
}
.conf_nav_item{
    border: 2px solid transparent;
}
.conf_nav_item.selected{
    border: 2px solid black;
}
.conf_tab_item{
    display: none;
}
.conf_tab_item.selected{
    display: block;
}
.conf_tab_con{
    display: grid;
    grid-template-columns: repeat(2,1fr);
    gap: 2em;
}