.body {
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
  -webkit-flex-direction: column;
  -ms-flex-direction: column;
  flex-direction: column;
  -webkit-box-pack: justify;
  -webkit-justify-content: space-between;
  -ms-flex-pack: justify;
  justify-content: space-between;
}

.div-block {
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  padding: 100px 20%;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
  -webkit-flex-direction: column;
  -ms-flex-direction: column;
  flex-direction: column;
  -webkit-box-pack: center;
  -webkit-justify-content: center;
  -ms-flex-pack: center;
  justify-content: center;
  -webkit-box-flex: 1;
  -webkit-flex: 1;
  -ms-flex: 1;
  flex: 1;
}

.div-block-2 {
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  min-height: 400px;
  padding-right: 5%;
  padding-left: 5%;
  -webkit-box-pack: center;
  -webkit-justify-content: center;
  -ms-flex-pack: center;
  justify-content: center;
  -webkit-box-align: center;
  -webkit-align-items: center;
  -ms-flex-align: center;
  align-items: center;
  background-color: rgba(0, 0, 0, 0.83);
}

.div-block-3 {
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  min-height: 150px;
  -webkit-box-pack: center;
  -webkit-justify-content: center;
  -ms-flex-pack: center;
  justify-content: center;
  -webkit-box-align: center;
  -webkit-align-items: center;
  -ms-flex-align: center;
  align-items: center;
  background-color: rgba(0, 0, 0, 0.83);
  color: hsla(0, 0%, 100%, 0.55);
  font-size: 18px;
}

.form {
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  margin-left: auto;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
  -webkit-flex-direction: column;
  -ms-flex-direction: column;
  flex-direction: column;
  -webkit-box-align: end;
  -webkit-align-items: flex-end;
  -ms-flex-align: end;
  align-items: flex-end;
}

.form-block {
  width: 30%;
  max-width: 500px;
  min-width: 300px;
  margin-right: auto;
  margin-bottom: 0px;
  margin-left: auto;
}

.submit-button {
  background-color: rgba(0, 0, 0, 0.83);
}

.heading {
  display: block;
  max-width: 500px;
  text-align: center;
  color: white;
}

.div-block-4 {
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  min-width: 140px;
  -webkit-box-pack: justify;
  -webkit-justify-content: space-between;
  -ms-flex-pack: justify;
  justify-content: space-between;
  -webkit-box-align: center;
  -webkit-align-items: center;
  -ms-flex-align: center;
  align-items: center;
}

.image {
  max-width: 43px;
}

.paragraph {
  margin-bottom: 0px;
  padding-left: 15px;
}

@media screen and (max-width: 479px) {
  .div-block {
    padding: 5%;
  }
  .div-block-2 {
    min-height: 200px;
  }
  .form-block {
    min-width: 200px;
  }
  .heading {
    font-size: 23px;
    line-height: 29px;
  }
}