* {
  vertical-align: top;
}

.container {
  font-size: 0px;
  width: 80%;
  margin-left: auto;
  margin-right: auto;
  max-width: 1024px;
  min-width: 280px;
  border: 2px solid #000;
}

.block {
  display: inline-block;
  box-sizing: border-box;
  height: 180px;
  border: 3px solid #000;
  text-align: center;
}

.block h4 {
  font-size: 18px;
  margin-top: 10px;
  margin-bottom: 10px;
}

.block p {
  font-size: 12px;
  padding: 10px;
}

.intro {
  width: 100%;
  height: initial;
  font-size: 15px;
  padding: 10px;
}

.intro .sblock {
  display: inline-block;
  border: 1px solid #000;
  width: 30%;
  max-width: 400px;
}

.intro .sblock img {
  width: 100%;
  height: 100px;
  background-color: #aaa;
}

.intro h5 {
  font-size: 15px;
}

.a {
  width: 100%;
  height: 130px;
}

.a .icon {
  width: 40%;
  min-width: 150px;
  max-width: 300px;
  margin-bottom: 20px;
}

.b {
  width: 70%;
}

.c {
  width: 30%;
}

.d {
  width: 35%;
}

.e {
  width: 35%;
}

.f {
  width: 30%;
}

.g {
  width: 100%;
}

@media screen and (max-width: 800px) {
  .b {
    width: 100%;
  }
  .c,
  .d,
  .e,
  .f {
    width: 50%;
  }
}

@media screen and (max-width: 400px) {
  .c,
  .d,
  .e,
  .f {
    width: 100%;
  }
  .sblocks .sblock {
    width: 100%;
    margin-bottom: 5px;
  }
}