body {
    margin: 0;
    font-family: 'Montserrat', sans-serif;
}
header {
    padding: 20px 0;
    box-shadow: 0 4px 6px rgba(0,0,0,.2);
}
.container {
    padding: 0 20px;
    max-width: 80%;
    margin: 0 auto;
}
.logo-box {
    float: left;
    margin-right: unset;
    left: 10%;
    position: relative;
    z-index: 6;
}
.logo-box a {
    outline: none;
    display: block;
}
.logo-box img {display: block;}
nav {
    overflow: hidden;
}
ul {
    list-style: none;
    margin: 0;
    padding: 0;
    float: right;
}
nav li {
    display: inline-block;
    margin-left: 25px;
    height: 70px;
    line-height: 70px;
    transition: .5s linear;
}
nav a {
    text-decoration: none;
    display: block;
    position: relative;
    color: #868686;
    text-transform: uppercase;
}
nav a:after {
    content: "";
    width: 0;
    height: 2px;
    position: absolute;
    left: 0;
    bottom: 15px;
    background: #868686;
    transition: width .15s linear;
}
nav a:hover:after {width: 100%;}

.desktopmenu {
    display: block;
    width: 80%;
    left: 10%;
    position: relative;
    z-index: 5;
}
.mobilemenu,
.hamburgeropen{
    display: none;
}


@media screen and (max-width: 1000px) {
    .logo-box {
        right: 20px;
        display: inline-block;
        margin: unset;
        left: unset;
        position: absolute;
    }

    .logo-box img {
        display: block;
        height: 50px;
    }

    .desktopmenu{
        display: none;
    }
    .mobilemenu{
        display: block;
        text-align: center;
    }


    ul {float: none;}
    nav li:first-of-type {margin-left: 0;}
    nav {
        overflow: visible;
    }

    nav li {
        display: block;
        margin: 0;
        height: 40px;
        line-height: 40px;
    }

    nav li:hover {
        background: rgba(0,0,0,.1);
    }
    nav a:after {
        content: none;
    }

    .container {
        padding: 0 20px;
        max-width: 100%;
        margin: 0 auto;
        padding-top: 90px;
    }

    /*  menu  */
    .hamburgeropen{
        font-size: 30px;
        cursor: pointer;
        text-align: unset;
        position: relative;
        left: 20px;
        display: inline-block;
    }

    .sidenav {
        display: block;
        height: 0;
        width: 100%;
        position: fixed;
        z-index: 5;
        top: 0;
        left: 0;
        background-color: #111;
        overflow-x: hidden;
        transition: 0.5s;
    }
    .sidenav a.menuitem {
        padding: 8px 8px 8px 32px;
        text-decoration: none;
        font-size: 25px;
        color: #818181;
        display: block;
        transition: 0.3s;
    }
    .sidenav .menuitems{
        position: relative;
        top: 60px;
    }
    .sidenav a:hover {
        color: #f1f1f1;
    }
    .sidenav .closebtn {
        position: absolute;
        text-decoration: none;
        color: #818181;
        top: 20px;
        left: 20px;
        font-size: 36px;
        margin-left: unset;
    }
    #main {
        transition: margin-top .5s;
    }
}