@import url("https://fonts.googleapis.com/css?family=Roboto:400,700&display=swap");

body {
  font-family: Roboto, Arial;
  background-color: #1e1e1c;
  color: #a9a344;
}
h1 {
  margin-bottom: 3rem;
  font-size: 64px;
  line-height: 1.2em;
  color: #a9a344;
  text-align: center;
}

@media (min-width: 500px) {
  .container {
    max-width: 460px;
    height: 100%;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    flex-direction: column;
    align-content: center;
    justify-content: center;
  }

  .seagate_date_field {
    padding: 5px 10px;
    font-size: 32px;
    line-height: 1.5em;
    color: #26380c;
    background-color: white;
    border: 5px solid #a9a344;
    border-radius: 3px;
  }
  .seagate_date_field:focus {
    border: 5px solid #bd9030;
    outline: 0;
    box-shadow: none;
  }
  .seagate_date_field:invalid {
    border: 5px solid orangered;
  }
  .seagate_date_output {
    font-size: 28px;
    text-align: center;
  }

  .advanced_options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 1em 0;
    font-size: 24px;
  }
  .advanced_options select {
    padding: 4px;
    font-size: 16px;
    border: 4px solid #a9a344;
    box-shadow: none;
    border-radius: 4px;
    background-color: #fff;
  }
  .advanced_options select option {
    font-size: 16px;
    color: #333;
  }
  .advanced_options select:focus {
    outline: none;
    border-color: #bd9030;
  }
}

@media (max-width: 500px) {
  .container {
    max-width: 460px;
    height: 100%;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    flex-direction: column;
    align-content: center;
    justify-content: center;
  }

  .seagate_date_field {
    padding: 5px 10px;
    font-size: 32px;
    line-height: 1.5em;
    color: #26380c;
    background-color: white;
    border: 5px solid #a9a344;
    border-radius: 3px;
  }
  .seagate_date_field:focus {
    border: 5px solid #bd9030;
    outline: 0;
    box-shadow: none;
  }
  .seagate_date_field:invalid {
    border: 5px solid orangered;
  }
  .seagate_date_output {
    font-size: 28px;
    text-align: center;
  }

  .advanced_options {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    margin: 1em 0;
    font-size: 24px;
  }
  .advanced_options select {
    padding: 4px;
    font-size: 16px;
    border: 4px solid #a9a344;
    box-shadow: none;
    border-radius: 4px;
    background-color: #fff;
  }
  .advanced_options select option {
    font-size: 16px;
    color: #333;
  }
  .advanced_options select:focus {
    outline: none;
    border-color: #bd9030;
  }
}