* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

.clearfix:after {
  content: '';
  display: table;
  clear: both;
}

.main-container {
  max-width: 1200px;
  margin: 0 auto;
}

.col {
  width: 100%;
  float: left;
}

@media screen and (min-width: 480px) {
  .col {
    width: 50%;
  }
}