body
{
    margin: 0;
    padding: 0;
    font-family: sans-serif;
    background: url(bg.jpg); 
    background-attachment: fixed;
    background-position: center;
}

header
{
    position: absolute;
    left: 0;
    padding: 0 100px;
    background: #cc0000;
    width:100%;
    box-sizing: border-box;
    font-size: 15px;
    font-weight: bold;
    z-index:999
}

header .logo
{
    color: #fff;
    height: 50px;
    line-height: 50px;
    font-size: 24px;
    float: left;
    font-weight: bold;
}

header nav
{
    float: right;
}

header nav ul
{
    margin: 0;
    padding: 0;
    display: flex;
}

header nav ul li
{
    list-style: none;
}

header nav ul li a
{
    height: 50px;
    line-height: 50px;
    padding: 0 20px;
    color: #fff;
    text-decoration: none;
    display: block;
}

header nav ul li a:hover,
header nav ul li a.active
{
    color:#fff;
    background: #2196f3;

}

.menu-toggle
{
    color: #fff;
    float: right;
    line-height: 50px;
    font-size: 24px;
    cursor: pointer;
    display: none;
}

@media (max-width: 991px)
{
    header
    {
        padding: 0 20px;
    }
    .menu-toggle
    {
        display: block;
    }
    header nav
    {
        /*display: none;*/
        position: absolute;
        width: 100%;
        height: calc(100vh - 50px);
        background: #333;
        top: 50px;
        left: -100%;
        transition: 0.5s;
    }
    header nav.active
    {
        left: 0;
    } 
    header nav ul
    {
        display: block;
        text-align: center;
    }
    header nav ul li a
    {
        border-bottom: 1px solid rgba(0,0,0,.2);
    }
}







.footer {
   position: fixed;
   left: 0;
   bottom: 0;
   width: 100%;
   background-color: #cc0000;
   text-align: center;
   padding:7px;
   margin-top:0px;
   color: white;
}

.footer-right
{
    float: right;
}

.footer-left
{
    float: left;
}