*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font: 14px sans-serif;
  color: #345;
}

main {
  margin: 0 auto;
  background-color: #fff;
  background: #fff;
}

section {
  display: none;
  padding: 16px 0 0;
  border-top: 1px solid #8BC34A;
}

input {
  display: none;
}

label {
  display: inline-block;
  margin: 0 0 -1px;
  padding: 15px 25px;
  font-weight: 600;
  text-align: center;
  color: #abc;
  border: 1px solid transparent;
}

label:before {
  font-family: fontawesome;
  font-weight: normal;
  margin-right: 10px;
}

label:hover {
  color: #8BC34A;
  cursor: pointer;
}

input:checked + label {
  color: #8BC34A;
  border: 1px solid #8BC34A;
  border-bottom: 1px solid #fff;
  border-radius: 4px 4px 0 0;
}

#tab1:checked ~ #content1,
#tab2:checked ~ #content2 {
  display: block;
}