Bootstrap/docs/assets/scss/_layout.scss

// Custom container
//
// Doesn't use the default `.container` styles for easier modifications.

.bd-container {
  position: relative;
  max-width: 62rem;
  padding: 0 1rem 1rem;
  margin-right: auto;
  margin-left: auto;

  @media (min-width: 768px) {
    padding: 2rem;
  }

  @media (min-width: 992px) {
    padding: 4rem;
  }

  > table {
    display: block;
    width: 100%;
    max-width: 100%;
    overflow-y: auto;
    margin-bottom: $spacer;
    // border: 1px solid $table-border-color;

    // Cells
    > thead,
    > tbody,
    > tfoot {
      > tr {
        > th,
        > td {
          padding: $table-cell-padding;
          line-height: $line-height-base;
          vertical-align: top;
          // border-top: 1px solid $table-border-color;
          border: 1px solid $table-border-color;
        }
      }
    }

    // Prevent breaking of code (e.g., Grunt tasks list)
    td:first-child > code {
      white-space: nowrap;
    }
  }
}


//
// Docs sections
//

.bd-content {
  > h2 {
    margin-top: 3rem;
    font-weight: normal;
  }

  > h3 {
    margin-top: 1.5rem;
  }
}

.bd-title {
  @include media-breakpoint-up(sm) {
    font-size: 4rem;

    + p {
      font-size: 1.5rem;
      font-weight: 300;
    }
  }
}