#concept {
  height: 248px;
  background-image: url("imgs/concept-bg.png");
}

#concept div#download-button {
  margin: 10px 0px 0px 0px;
}


#middle img {
  float: left;
  margin: 0px 10px 10px 0px;
}

#middle h1 {
  margin-bottom: 10px;
}


#middle div#explanation {
  font-size: 80%;
  margin-top: 8px;
}



#screenshot {
  text-align: center;
  margin: 10px auto 35px auto;
  font-size: 90%;
}

#contents img {
  border: 1px solid #333333;
}

#contents h2 {
  font-weight: bold;
  font-size: 110%;
  margin-bottom: 10px;
}

#contents div.feature {
  margin-left: 5px;
  margin-bottom: 60px;
}

#contents div.feature h3 {
  margin-top: 12px;
  font-size: 80%;
}

#contents div.feature div {
  margin: 5px 40px;
}

#contents div.feature div img {
  display: block;
}