.nav-img{
    max-width: auto;
    max-height: 60px;
    margin-left: 10px;
}
html,body{ margin:0; padding:0; height:100%; width:100%; min-height: 100vh; min-width: 550px;}
body{
    background-color: #cccccc;
}

.ls{
    max-width: 50px;
    max-height: auto;
}
.div-content{
    /* height: 60%; */
    width: 100%;
    /* min-height: 450px; */
}

.div-footerblock{
    min-height: 150px;
    width: 100%;

}