* {
  padding: 0;
  margin: 0;
}

.clearfix {
  overflow: auto;
}

.box1 {
  height: 50px;
  width: 100%;
  background-color: gray;
  margin-bottom: 20px;
}

.box2 {
  height: 30px;
  width: 50%;
  background-color: gray;
  margin: auto;
  margin-bottom: 20px;
}

.box3 {
  margin-bottom: 20px;
}

.box4 {
  float: left;
  height: 200px;
  width: 49%;
  background-color: gray;
}

.box5 {
  height: 200px;
  width: 49%;
  float: right;
  background-color: gray;
}

.box7 {
  height: 320px;
  width: 339px;
  float: left;
  margin: 20px;
  background-color: gray;
}

.box15 {
  height: 30px;
  width: 70%;
  background-color: gray;
  margin: auto;
  margin-top: 20px;
  margin-bottom: 40px;
}

.box16 {
  height: 420px;
  width: 100%;
  background-color: gray;
  margin-bottom: 20px;
}

.box17 {
  height: 320px;
  width: 26%;
  float: left;
  background-color: white;
  margin: 50px;
}

.box18 {
  height: 30px;
  width: 70%;
  background-color: gray;
  margin: 20px 50px;
}

.box19 {
  height: 100px;
  width: 70%;
  background-color: gray;
  margin: 20px 50px;
}

.box20 {
  height: 100px;
  width: 70%;
  background-color: gray;
  margin: 20px 50px;
}

.box21 {
  height: 50px;
  width: 30%;
  background-color: gray;
  margin: auto;
  margin-bottom: 20px;
}

.box22 {
  height: 40px;
  width: 45%;
  background-color: gray;
  margin: auto;
  margin-bottom: 20px;
}

.box23 {
  height: 200px;
  width: 45%;
  background-color: gray;
  margin: auto;
  margin-bottom: 20px;
}

.box24 {
  width: 45%;
  margin: auto;
  margin-bottom: 60px;
}

.box25 {
  float: left;
  height: 80px;
  width: 48%;
  background-color: gray;
}

.box26 {
  float: right;
  height: 80px;
  width: 48%;
  background-color: gray;
}

.box27 {
  height: 290px;
  width: 100%;
  background-color: gray;
}

.box28 {
  float: left;
  height: 250px;
  width: 48%;
  background-color: white;
  margin: 20px 0px 20px 20px;
}

.box29 {
  float: right;
  height: 250px;
  width: 48%;
  background-color: white;
  margin: 20px 20px 20px 20px;
}

.box30 {
  height: 30px;
  width: 60%;
  background-color: gray;
  margin: auto;
  margin-top: 40px;
  margin-bottom: 20px;
}