body {
  display: flex;
  min-height: 100vh;
  flex-direction: column;
}

.main {
  flex: 1 0 auto;
}

body {
  display: flex;
  min-height: 100vh;
  flex-direction: column;
}

.main {
  flex: 1 0 auto;
}

.container-sm-full {
  @extend .container;
}

@include media-breakpoint-down(sm) {
  .container-sm-full {
    width: 100%;
    max-width: 100%;
    padding-right: 0;
    padding-left: 0;
  }
}

.container-md-full {
  @extend .container;
}

@include media-breakpoint-down(md) {
  .container-md-full {
    max-width: 100%;
    width: 100%;
    padding-right: 0;
    padding-left: 0;
  }
}
Add containers to fill all space on small screens
Add containers to fill all space on small screens