/* define container */
.scontainer{
    width: 100%;
    margin-right: auto;
    margin-left: auto;
}
@media (min-width: 768px){
.scontainer {
    max-width: 720px;
}}
@media (min-width: 992px){
.scontainer {
    max-width: 960px;
}
}
@media (min-width: 1200px){
.scontainer {
    max-width: 1140px;
}}
@media (min-width: 1400px){
.scontainer {
        max-width: 1267px;
}
}
/* define container */