body {
  background: url(../i/back.jpg) top center no-repeat;
}

.container {
  width: 930px;
  padding: 20px 20px 5px;
  margin: 540px auto 0;
  background-color: #fff;

  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}

.box {
  background-color: #e1e1e1;
  margin-bottom: 15px;
  width: 300px;
  height: 200px;
}

.mix {
  width: 615px;
  height: 415px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}

.box2 {
  width: 300px;
  height: 415px;
}

.box3 {
  width: 615px;
  height: 275px;
}

.box4 {
  width: 300px;
  height: 275px;
}

.box5,
.box8 {
  width: 390px;
  height: 275px;
}

.box6,
.box7 {
  width: 525px;
  height: 275px;
}

img {
  width: 100%;
  height: 100%;
}

.footer {
  font-size: 14px;
  text-align: center;
  color: #366ba1;
  padding: 30px 0;
  font-family: Georgia, Arial, "Times New Roman", Times, serif;
}