body{
    font-family: 'Montserrat', sans-serif;
    background: url('back.jpg') no-repeat center center fixed; 
        -webkit-background-size: cover;
        -moz-background-size: cover;
        -o-background-size: cover;
        background-size: cover;
    margin:0;
    color:#37474f;
}

.container {
    max-width: 1900px;
    max-height: 100%;
    margin: 0 auto;
    padding:80px;
}

.top{
    float: left;
    max-height: 30px;
}
.center{
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%)
}

.l-b{
    position: absolute;
    bottom: 20px;
    float: left;
    font-size:32px;
    font-weight: 500;
}
.r-c{
    position: absolute;
    top: 50%;
    right: 80px;
    transform: translate(-50%,-50%)
}

.r-b{
    position: absolute;
    bottom: 20px;
    right: 80px;
    font-size:32px;
    font-weight: 500;
}

a{
    text-decoration: none;
    color:inherit;
    font-weight: 700;
}


@media (max-width: 699.99px) { 
    .container { padding:20px; } 
    .l-b{font-size:16px;}
    .r-c{right: 20px;}
    .r-b{font-size: 16px;right: 20px;}
}