* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: "arial" 
  }
  
  body {
    position: relative;
    height: 100vh;
  }
  
  /* helpers flex */
  .flex {
    display: flex;
  }
  .f-ai-center {
    align-items: center;
  }
  .f-jc-sb {
    justify-content: space-between;
  }
  .f-column {
    flex-flow: column;
  }
  .f-wrap {
    flex-wrap: wrap;
  }
  
  .container {
    width: 80%;
    max-width: 1200px;
    margin: 0 auto;
  }
  
  header {
    padding: 30px 0;
    border-bottom: 2px solid #ccc;
  }
  
  header .iconos {
    display: flex;
    justify-content: space-between;
  }
  
  header .iconos > div { 
    width: 25px;
    height: 25px;
  }
  
  header .iconos > div a {
    border-radius: 50%;
  }
  
  nav {
    padding: 20px 0;
  }
  
  a {
    font-size: 0.7rem;
    display: inline-block;
    padding: 10px 15px;
    text-decoration: none;
    text-transform: uppercase;
    background-color: rgb(116, 7, 74);
    color: rgb(255, 255, 255);
  }
  
  section,
  aside,
  footer {
    padding-bottom: 40px;
    border-bottom: 2px solid #ccc;
  }
  
  section div article:first-child {
    display: inline-block;
    width: 50%;
    padding-right: 20px;
  }
  
  section div article:last-child {
    display: inline-block;
    width: 50%;
    padding-left: 20px;
  }
  
  section div article:first-child img,
  section div article:last-child img,
  aside div article:first-child img,
  aside div article:last-child img  {
    width: 100%;
  }
  
  aside div article:first-child {
    width: 70%;
    padding-right: 20px;
  }
  
  aside div article:last-child {
    width: 30%;
    padding-left: 20px;
  }
  
  footer div div:first-child {
    width: 70%;
    padding-right: 20px;
  }
  
  footer div div:last-child {
    width: 30%;
    padding-left: 20px;
  }
  
  footer img {
    width: 100%;
  }