section {
  margin-left: auto;
  margin-right: auto;
}

section input {
  margin-bottom: 10px;
}

.form-control {
  display: block;
  width: 100%;
  height: calc(1em + 0.75rem + 2px);
  padding: 0.375rem 0.75rem;
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.5;
  color: #495057;
  background-color: #fff;
  background-clip: padding-box;
  border: 1px solid #ced4da;
  border-radius: 0.25rem;
  margin-top: 6px;
  margin-bottom: 16px;
  transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
  box-sizing: border-box;
}

.col-form-label {
  padding-top: calc(0.375rem + 1px);
  padding-bottom: calc(0.375rem + 1px);
  margin-bottom: 0;
  font-size: inherit;
  line-height: 1.5;
}

.container {
  border-radius: 5px;
  padding: 20px;
  margin-bottom: 15px;
}
@media all and (max-width: 400px) {
  a.btn {
    display: block;
    margin-bottom: 5px;
  }
}

@media all and (max-width: 700px) {
  textarea.form-control {
    height: 80px;
    resize: vertical;
  }

  .container {
    width: 80%;
    padding: 0;
  }
}

@media all and (min-width: 700px) {
  h2 {
    margin-bottom: 20px;
  }

  .container {
    width: 600px;
  }

  textarea.form-control {
    height: 100px;
    resize: vertical;
  }
}

.alert {
  margin: 0;
  padding: 0;
  font-weight: bold;
}

hr.main-horizontal-line {
  margin-bottom: 40px;
  width: 60%;
  max-width: 400px;
  border: none;
  border-top: 1.5px solid rgb(226, 209, 204);
}