@media screen and (orientation:portrait) {

    #idFoot {
        padding-right: 1rem;
        padding-left: 1rem;
    }

    #idFootAd {
        padding-right: 0rem;
        padding-left: 0rem;
    }

    #idSideNav {
        overflow-x: hidden;
        box-shadow: 4px 4px 3px rgba(0, 0, 0, 0.2);
        width: 100%;
        background-color: #F5F5F5;
        overflow-y: auto;
        margin-bottom: 1.5rem;
    }

    #idSideNav.hidden {
        /*display: none;*/
        width: 0px;
        height: 0px;
        transition: all 0.3s;
    }

    #idContent {
        width: 100%;
        transition: all 0.3s;
    }

    #idContent.extended {
        width: 100%;
        min-height: 100vh;
        /*position: absolute;*/
        right: 0;
        transition: all 0.3s;
    }

    .wide_card {
        width: 90%;
        margin-bottom: 1.5rem;
    }
}

@media screen and (orientation:landscape) {
    #id_div_logo {
        width: 305px;
    }

    #idSideNav {
        overflow-x: hidden;
        box-shadow: 4px 4px 3px rgba(0, 0, 0, 0.2);
        width: 320px;
        position: fixed;
        left: 0;
        height: 100vh;
        background-color: #F5F5F5;
        overflow-y: auto;
    }

    #idSideNav.hidden {
        /*display: none;*/
        width: 0px;
        transition: all 0.3s;
    }

    #idContent {
        width: calc(100% - 320px);
        transition: all 0.3s;
        position: absolute;
        right: 0;
    }

    #idContent.extended {
        width: 100%;
        transition: all 0.3s;
    }

    /* .card {
        width: 18rem;
    } */

    .wide_card {
        width: 75%;
        margin: 2rem;
        /*padding-top: 2rem;*/
    }

    #idFoot,
    #idFootAd {
        padding-right: 3rem;
        padding-left: 3rem;
    }

}

/*sidebar*/

#idSideNav a:hover {
    color: #47748b;
    background: #fff;
    transition: all 0.3s;
    cursor: pointer;
}

#idSideNav h1 {
    position: relative;
    font-size: 1.5rem !important;
}

#idFoot h2 {
    margin: 0 !important;
    line-height: 1.5 !important;
    font-size: 1.2rem !important;
}

.row {
    margin-right: 0 !important;
    margin-left: 0 !important;
}

/*element*/
a {
    text-decoration: none;
}

strong,
b {
    /*    color: darkcyan;*/
    color: tomato;
}