.content-wrapper {
    padding-top: 16px;
}
.side-nav-layout {
    display: flex;
}

.side-nav {
    display: none;
    flex: 0 0 220px;
    width: 220px;
    margin-right: 32px;

}

.side-nav-layout .main-content {
    flex: 1;
}
.side-nav .sidenav-opener {
    display:none;
}

@media screen and (max-width: 760px) {
    .side-nav-layout {
        flex-direction: column;
    }

    .side-nav {
        max-width: 90%;
        width: auto;
        flex-basis: 90%;
        padding-top: 80px;
        padding-bottom: 1em;
        border-bottom: 1px solid #00000030;
        max-height: 1000px;
        transition: max-height 200ms ease-out;
        overflow: hidden;
        position: relative;
    }
    .side-nav::before {
        content: "Информация";
        font-family: "Trebuchet MS",sans-serif;
        font-size: 1.5em;
        font-weight: 150;
        height: 60px;
        line-height: 60px;
        color: var(--red-accent);
        adding: 0.125em 0 0 0.25em;
        position: absolute;
        top: 0;
        left: 0;
    }
    .side-nav .sidenav-opener {
        display:inline-block;
        color: #fff;
        background-color: var(--red-accent);
        position: absolute;
        top: 0;
        right: 0;

    }
    .side-nav .sidenav-opener::before {
        content: "\002807";
        font-size: 2em;
        display:inline-block;
        text-align: center;
        width: 60px;
        height: 60px;
        line-height: 60px;
        padding: 0.125em 0 0 0.25em;
    }
    .side-nav.opened .sidenav-opener {
        /*color: var(--blue-accent);*/
        background-color: var(--blue-accent);
    }


    .side-nav:not(.opened) {
        max-height: 0;
        padding-bottom: 0;
    }
    .side-nav.opened {

    }
    .side-nav__section {
        clear: both;
    }
    .main-content {
        clear: both;
    }
}

.side-nav__section {

}

.side-nav__section-header {
    background-color: var(--blue-accent);
    color: white;
    padding: 8px;
    text-align: center;
}

.side-nav__section-header.active {
    color: var(--text-on-accent);
    background-color: var(--red-accent);
}

.side-nav__section-header a {
    text-decoration: none;
    color: var(--text-on-accent)
}


.side-nav__section-list {
    list-style: none;
    padding: 0 0 0 16px;
}
li.submenu .side-nav__section-list {
    margin-top: 4px;
}

.side-nav__section-list li {
    margin-top: 8px;
    margin-bottom: 8px;
}

.side-nav__section-list li a {
    font-size: 0.9em;
    display: block;
    padding-bottom: 1px;
    line-height: 1.3;
    text-decoration: none;
    color: #606060;
}

.side-nav__section-list li a:hover {
    padding-bottom: 0;
    color: var(--blue-accent);
    border-bottom: 1px solid var(--blue-accent);
}

.side-nav__section-list li.active>a {
    color: var(--red-accent);
    padding-bottom: 0;
    border-bottom: 1px solid var(--red-accent);
}