.postcode_modal {
    backgrounnd: green;
    border-radius: 20px;
    box-shadow(10px);
    border: none;
    max-width: 80ch;
    box-shadow: 0 0 20pc black;
    padding: 2rem;
    opacity: 0;
    transition: opacity 0.3s ease, display 0.3s allow-discrete;

    &[open] {
      opacity: 1;
      transition-behavior: allow-discrete;
      transition: opacity 0.3s ease, display 0.3s allow-discrete;
    }

    &:not([open]) {
      display: none;
    }

    h2 {
      font-size: 1.5rem;
      margin: .6rem;
    }

    input[type="text"] {
        padding: .3rem;
        font-size: 1.4rem;
    }

    button {
        border: none;
        font-size: 1.4rem;
        padding: .4rem 1rem;
        border-radius: 5px;
        background: dodgerblue;
        margin: 0 0 0 .3rem;
    }

    .form_fields {
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    &::backdrop {
        background-color: hsl(40deg 100 30 /0.5);
    }
}