* {
  margin: 0;
  box-sizing: border-box;
}

html {
  font-family: sans-serif;
}

form {
  padding: 1rem;
  max-width: 500px;
  margin: auto;
  position: relative;
}

.form-title {
  margin-bottom: 1rem;
}

button,
input,
select {
  font-size: 1rem;
  margin: 0 0 1.2rem;
}

label {
  text-transform: uppercase;
  display: block;
  font-weight: bold;
}

input[type="radio"] + label {
  display: inline-block;
  text-transform: initial;
  font-weight: normal;
  padding: .3rem;
}

input[type="radio"] {
  transform: translateY(-2px);
}

input:-webkit-autofill,
input:-webkit-autofill:hover, 
input:-webkit-autofill:focus, 
input:-webkit-autofill:active {
  background-color: white;
  -webkit-box-shadow: 0 0 0 30px white inset;
}

input[type="text"],
input[type="number"],
select {
  display: block;
  width: 100%;
  height: 2.5rem;
  border: 1px solid #ccc;
  padding: .5rem;
  border-radius: 5px;
  cursor: pointer;
  outline: none;
  font-size: 1rem;
  line-height: 1.5;
  color: #495057;
  background-color: #fff;
  background-clip: padding-box;
  transition: border-color .15s ease-in-out,box-shadow .15s ease-in-out;
}

button {
  border: 1px solid rgba(0,0,0,.35);
  border-bottom-width: 3px;
  background-color: transparent;
  font-weight: bold;
  padding: .5rem 1rem;
  border-radius: 5px;
  outline: none;
  font-size: 1rem;
}

button[type="reset"] {
  background-color: #e41a23;
  color: white;
}

button[type="submit"] {
  background-color: #5cb85c;
  color: white;
}

input:focus,
select:focus {
  border-color: #e41a23;
}

input:focus + span::before,
select:focus + span::before {
  content: '▶';
  position: absolute;
  left: -.25rem;
  transform: translateY(-3rem);
  color: #e41a23;
}

.radio-group:focus-within::after {
  content: '▶';
  position: absolute;
  left: -.25rem;
  transform: translateY(.25rem);
  color: #e41a23;  
}

#article {
  padding:3% 10%;
}