Story increase logo size

gistfile1.txt

@media only screen and (max-width: 479px){
  .header__mobile {
    grid-template-columns: repeat(8, minmax(0, 1fr));
  }
  .js__show__mobile .theme__header__toolbar, 
  .header__mobile .theme__header__toolbar {
    grid-column: 1 / span 8;
  }
  .header__mobile .header__logo.header__logo--image{
    grid-column: 3 / span 4;
  }
  .header__mobile__left{
    grid-column: 1 / span 2;
  }
  .header__mobile__right{
    grid-column: 7 / span 2;
  }
  .header__mobile__right .header__mobile__button .navlink {
    padding: 0;
  }
  .search--popdown .icon,
  .header__mobile__button .icon {
    max-height: 25px;
  }
  .header__mobile__button .header__mobile__hamburger {
    width: 40px;
    margin-right: 0px;
  }
}