style.css

@import url(https://fonts.googleapis.com/css?family=Open+Sans);
* {
  box-sizing: border-box;
}

h2 {
  text-align: right;
  font-family: objektiv-mk1, sans-serif;
  font-weight: 200;
  text-transform: uppercase;
  margin-bottom: 0em;
}

/* STRUCTURE */
.site {
  text-align: right;
  margin-bottom: 4em;
}

.wrapper {
  padding: 5px;
  max-width: 960px;
  width: 95%;
  margin: 20px auto;
}

header {
  font-size: 4vw;
  font-family: objektiv-mk1, sans-serif;
  font-weight: 300;
  font-style: normal;
  letter-spacing: 6px;
}

body {
  padding: 0 15px;
  text-align: center;
  font-family: oswald, sans-serif;
  font-weight: 200;
  font-style: normal;
}
.topper {
  text-align: center;
  background-color: #1a112a;
  padding: 35px 0px;
  font-family: objektiv-mk1, sans-serif;
  font-weight: 200;
  font-style: normal;
  font-size: 0.8em;
  text-decoration: none;
  color: #eee;
  text-transform: uppercase;
  letter-spacing: 6px;
  margin-bottom: 4em;
}

.columns {
  display: flex;
  flex-flow: row wrap;
  justify-content: center;
  margin: 4em 0;
}

.column {
  flex: 1;
  background-color: #1a112a;
  border: 1px solid gray;
  margin: 2px;
  padding: 10px;
}
.column:first-child {
  margin-left: 0;
}
.column:last-child {
  margin-right: 0;
}

.box:hover:enabled {
  color: #595f72;
}

.box {
  font-family: objektiv-mk1, sans-serif;
  font-weight: 200;
  font-style: normal;
  font-size: 0.8em;
  text-decoration: none;
  color: #eee;
}

footer {
  padding: 0 15px;
  font-family: oswald, sans-serif;
  font-weight: 200;
  font-style: normal;
}

@media screen and (max-width: 980px) {
  .columns .column {
    margin-bottom: 5px;
    flex-basis: 40%;
  }
  .columns .column:nth-last-child(2) {
    margin-right: 0;
  }
  .columns .column:last-child {
    flex-basis: 100%;
    margin: 0;
  }
}
@media screen and (max-width: 680px) {
  .columns .column {
    flex-basis: 100%;
    margin: 0 0 5px 0;
  }
}