body {
  font-family: sans-serif;
  background-color: rgb(165, 165, 165);
}

.form {
  border: 2px solid #000;
  border-radius: 5px;
  margin: 100px 430px 0;
  background-color: rgb(143, 190, 235);
}

.fieldset {
  border: none;
}

.legent {
  padding: 10px 0;
}
.block {
  display: block;
  margin: 5px 0;
}

.masseg {
  width: 167px;
  min-height: 50px;
  max-height: 100px;
  resize: vertical;
}

.checkbox {
  display: block;
  cursor: pointer;
}

.button {
  margin: 5px 0;
  cursor: pointer;
}