lbry-desktop/src/renderer/scss/component/_main.scss

.main {
  margin: auto;
  overflow: hidden;
  position: relative;
  z-index: 1;

  &.main--contained {
    max-width: 1000px;
  }

  &:not(.main--no-padding) {
    padding: var(--spacing-vertical-large);
  }
}