@media only screen and (max-width:450px){
    .logo_crd{
        width: 40%;
        left: 20px;
    }
    .btn_abrir{
        bottom: 70px;
        right: 15px;
    }
    .page_title{
        font-size: 14px;
    }
    .cntr{
        display: grid;
        grid-template-rows: 1fr 1fr;
        grid-template-columns: 400px;
        grid-template-areas: "slider" "side_menu";
        text-align: center;
        padding: 50px 0 0 0px;
      }
    div.scroll-container{
        width: 350px;
    }
    .ul_footer{

    bottom: 0px;
    top: 00px;   
}
.footer_links{
    width: 100%;
}

    .social_link{
        padding-left: 0px;
        text-align: center;
        position: relative;
        bottom: 170px;
        right: 0px;
        left: 0px;
        min-width: 400px;
    }
    h4{
        text-align: center;
        vertical-align: middle;
        font-size: 14px;
        position: relative;
        bottom: 50px;
    }    
}