body {
    font-family: trebuchet ms, arial, sans-serif;
    font-size: 12px;
    background: #ffffff;
    color: #555555;
}

* {
    -webkit-transition: all 0.3s ease-in-out;
    -moz-transition: all 0.3s ease-in-out;
    transition: all 0.3s ease-in-out;
}

.wrap {
    margin: 0 auto;
    width: 80%;
    max-width: 1300px;
}

.wrapper {
    padding: 0;
}

/* start header*/
.header_bg {
    z-index: 10;
    background-color: #e00000;
    position: fixed;
    top: 0;
    width: 100%;
}

.header_bg .wrapper {
    padding-top: 0;
    padding-bottom: 0;
}

.header {
    position: relative;
    height: 12em;
    background-color: #e00000;
}

.header_bg.sticky .header {
    height: 8em;
}

/* start content*/
.content_bg {
    margin-top: 12em;
    padding: 1% 0 3% 0;
    display: block;
    background: linear-gradient(white, #bababa);
}

.sticky + .content_bg {
    margin-top: 8em;
}

.content_page_bg_bg {
    padding: 2% 10% 6vw 10%;
    background: url('../images/trojuhelniky.png') bottom right no-repeat;
    background-size: 20%;
    flex: 1;
}

.content_page {
    font-family: arial, helvetica, sans-serif;
    font-size: 10pt;
    display: flex;
    margin: 0 0%;
    flex: 1;
    max-width: 1300px;
}

.content_page_bg {
    flex: 1;
    display: flex;
    background: white linear-gradient(#e00000, #450202);
    background-size: 2% 100%;
    background-position: 2%;
    background-repeat: repeat-y;
    z-index: 0;
    -webkit-box-shadow: 0 20px 70px 3px rgba(0, 0, 0, 0.4);
    -moz-box-shadow: 0 20px 70px 3px rgba(0, 0, 0, 0.4);
    box-shadow: 0 20px 70px 3px rgba(0, 0, 0, 0.4);
}

.inner_menu{
    display: flex;
}

.side_menu{
    -webkit-box-shadow: 0 20px 70px 3px rgba(0, 0, 0, 0.4);
    -moz-box-shadow: 0 20px 70px 3px rgba(0, 0, 0, 0.4);
    box-shadow: 0 20px 70px 3px rgba(0, 0, 0, 0.4);
    background-color: white;
    height: 100%;
    flex: 0;
    margin-left: 1%;
    min-width: 15%;
    display: inline-block;
    min-height: 100%;
}

.user_menu {
    background: white;
    margin-bottom: 1%;
    min-height: 50px;
    -webkit-box-shadow: none;
    -moz-box-shadow: none;
    box-shadow: none;
}



/* start footer*/
.footer_bg {
    position: relative;
    font-family: 'Open Sans', sans-serif;
    background: linear-gradient(#a21007, #450202);
}

@media only screen and (min-width: 1280px) {
    .wrapper {
        padding: 4% 3%;
    }
    .content_page {
        margin: 0 3%;
    }
}

@media only screen and (max-width: 1280px) {
    .header {
        height: 8em;
    }

    .wrap {
        width: 95%;
    }

    .content_bg {
        margin-top: 8em;
    }
}

@media only screen and (max-width: 1024px) {
    .wrap {
        width: 95%;
    }

    .content_page {
        margin: 0;
    }

}

@media only screen and (max-width: 800px) {
    .wrap {
        width: 95%;
    }

    .footer_bg {
        padding: 1em 0;
    }
}

@media only screen and (max-width: 640px) {
    .wrap {
        width: 95%;
    }
}

@media only screen and (max-width: 480px) {
    .wrap {
        width: 100%;
    }

    .wrapper, .content_page_bg_bg {
        padding: 2% 4%;
    }

    .content_page {
        margin: 0;
    }

    .content_bg {
        padding: 0;
    }

    .content_page_bg {
        background: white;
    }
    .side_menu{
        margin: 0;
        -webkit-box-shadow: none;
        -moz-box-shadow: none;
        box-shadow: none;
    }

}