.container, .container-sm, .container-md, .container-lg, .container-xl, .container-fluid {

width: 100%;
margin-left: auto;
margin-right: auto;

}

@media (min-width: $screen-sm) {

.container,
.container-sm {
  max-width: 540px;
}

}

@media (min-width: $screen-md) {

.container,
.container-sm,
.container-md {
  max-width: 720px;
}

}

@media (min-width: $screen-lg) {

.container,
.container-sm,
.container-md,
.container-lg {
  max-width: 960px;
}

}

@media (min-width: $screen-xl) {

.container,
.container-sm,
.container-md,
.container-lg,
.container-xl {
  max-width: 1140px;
}

}