main.css

* {
  position: relative;
  margin: 0;
  padding: 0;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
}
.wrap {
  max-width: 600px;
  margin: 0 auto;
  padding: 50px;
  font-family: Helvetica, Arial;
}
.wrap > h1 {
  font-size: 2.5em;
  font-weight: bold;
  color: rgba(0,0,0,0.7);
}
.wrap > h2 {
  color: rgba(0,0,0,0.4);
  font-size: 1.2em;
}
.wrap > .ill {
  position: relative;
  overflow: hidden;
  -webkit-border-radius: 10px;
  -moz-border-radius: 10px;
  border-radius: 10px;
  margin-bottom: 1em;
}
.wrap > .ill > img {
  vertical-align: top;
  width: 100%;
  height: auto;
}
.wrap > address {
  display: table;
  width: 70%;
  margin: 1.5em auto;
}
.wrap > address .item {
  display: table-cell;
  width: 33%;
  padding: 0 5%;
  opacity: 0.7;
}
.wrap > address img {
  width: 100%;
  height: auto;
}
.wrap > address .item:hover, .wrap > address .item:focus {
  opacity: 1;
}

@media screen and (max-width: 600px) {
  .wrap > h1 {
    white-space: nowrap;
    font-size: 7vw;
  }
  .wrap > h2 {
    font-size: 4.5vw;
  }
}