* {
  box-sizing: border-box !important;
}

body {
  max-width: 600px;
  margin: 0 auto;
  padding: 0 20px 20px;
}

header, footer {
  text-align: center;
}

footer {
  margin-top: 30px;
}

.is-success {
  background: #2F9D41 !important;
}

.column {
  box-shadow:inset 0px 0px 0px 1px #FFF;
}

.columns {
  margin-bottom: 13px !important;
}