*, *:before, *:after {
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
}

input:focus, select:focus, textarea:focus, button:focus {
  outline: none;
}

section {
  width: 100%;
  height: 238px;
  border: none;
  overflow: hidden;
}

.btn {
  color: --;
}