.header   {display: grid; grid-template-columns: 170px 530px 280px;}
.comer    {display: grid; grid-template-columns: 330px 330px 330px;}
.seccion  {display: grid; grid-template-columns: 1fr;}
.one > ul {display: grid; grid-template-columns: 70px 50px 60px 150px 40px 40px 150px 60px 1fr;}
.two > ul {display: grid; grid-template-columns: 70px 50px 60px 150px 40px 40px 150px 60px 1fr;}
.footer   {display: grid; grid-template-columns: 330px 330px 330px;}