@media only screen and (max-width:450px){
    .logo_crd{
        width: 40%;
        left: 20px;
    }
    .btn_abrir{
        bottom: 70px;
        right: 15px;
    }
    .ul_footer{
    bottom: 0px;
    top: 00px;   
}

    .social_link{
        bottom: 150px;
        right: 0px;
        left: 0px;
        min-width: 400px;
    }

    h4{
        text-align: center;
        vertical-align: middle;
        font-size: 14px;
        position: relative;
        bottom: 50px;
    } 
    h2{
    font-family:Kodchasan light;
    font-size:14px;
    text-align:center;
}
}