@media screen and (min-width: 10px) {
    header.site-navbar.site-navbar-target {
        box-shadow: 0px 0px 0px #525252;
        border-bottom: 1px solid rgba(0, 0, 0, 0.58);
        background: #f4f6f7 !important;
    }
    .since {
        width: 700px;
        margin: 20px 0;
    }
    .site-section {
        padding: 0.5em 0;
    }
    header.site-navbar.site-navbar-target {
        top: -1px;
    }
    .title_collection {
        margin-top: 10px;
        margin-bottom: 20px;
    }
    .nav_mail {
        text-align: left;
    }
    .about_specs p{
        margin-top:20px;
    }
}

@media screen and (min-width: 768px) {
    .about_specs p{
        margin-top:5px;
    }
    .nav_mail {
        text-align: right;
    }
    .title_collection {
        margin-top: -33px;
        margin-bottom: 0px;
    }
    header.site-navbar.site-navbar-target {
        /* top: 10px; */
    }
    header.site-navbar.site-navbar-target {
        box-shadow: 1px 1px 5px #525252;
        border-bottom: 0px solid rgba(0, 0, 0, 0.58);
    }
    .since {
        width: 600px;
        margin: 20px 0;
    }
    .site-section {
        padding: 2.5em 0;
    }
    .ft_mt {
        margin-top: 44px;
    }
    .logo {
        width: 150px !Important;
        box-shadow: 0px 0px 3px 0px #333;
        background: #fff;
        /* position: absolute; */
        top: -35px;
        left: 0;
    }
}