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


body {
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: hsl(204, 43%, 93%);
    font-family: "Karla", sans-serif;
    font-optical-sizing: auto;
    font-style: normal;
    padding: 1rem
}

.outer {
    box-shadow: 2px 27px 30px rgba(0, 0, 0, 0.192);
    border-radius: 7px;
    overflow: hidden;
    display: grid;
    height: auto;
    width: 41.16rem;
    grid-template-columns: repeat(2, 1fr);

}

.inner {
    padding: 2.4rem;
}

.join {
    grid-column: 1 /3;
    background-color: white;
}

h1 {
    color: hsl(179, 62%, 43%);
    font-size: 1.53rem;
    font-weight: 700;
}

.join h3 {
    color: hsl(71, 73%, 54%);
    margin-top: 1.4rem;
    font-size: 1.15rem;
    margin-bottom: 0.90rem;
    font-weight: 700
}

.join p {
    color: hsl(218, 22%, 67%);
    font-weight: 400;
    line-height: 1.7rem;
    font-size: 16px;

}



.sub {
    background-color: hsl(179, 62%, 43%);
    display: flex;
    justify-content: space-between;
    flex-direction: column;
}

.sub h4 {
    color: white;
    font-size: 1.1rem;
}

#dollar {
    font-size: 2rem;
    color: white;
    font-weight: 700;
    margin-right: 0.7rem;
}

#per_month {
    display: flex;
    align-items: center;
    color: rgba(255, 255, 255, 0.557);
    margin-top: 0.70rem;
    margin-bottom: 0.40rem;
}

.sub p {
    font-size: 0.95rem;
    margin-bottom: 1.6rem;
    color: rgba(255, 255, 255, 0.833);
}

.sub button {
    background-color: hsl(71, 73%, 54%);
    color: rgba(255, 255, 255, 0.678);
    border: none;
    font-family: "Karla", sans-serif;
    font-optical-sizing: auto;
    font-weight: 700;
    font-size: 1.1rem;
    font-style: normal;
    padding: 0.70rem;
    box-shadow: 1px 10px 20px rgba(0, 0, 0, 0.185);
    border-radius: 5px;

}


.why {
    background-color: hsla(179, 62%, 43%, 0.836);
}

.why h4 {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.922);
    margin-bottom: 0.80rem;
}

#list {
    list-style-type: none;
}

#list li {
    color: rgba(255, 255, 255, 0.731);
    margin-bottom: 0.20rem;
    font-size: 0.85rem;

}



@media(max-width: 637px) {

    .sub h4 {

        font-size: 1rem;

    }

    .sub p {
        font-size: 0.70rem;
        font-weight: 700;
    }
}


@media(max-width: 538px) {

    body {
        height: auto;
    }

    .outer {
        grid-template-columns: repeat(2, 1fr);


    }

    .sub {
        grid-column: 1/3;
    }

    .why {
        grid-column: 1/3;
    }

    .join h1 {

        font-size: 1.35rem;

    }

    .join h3 {
        font-size: 1rem;
    }

    .join p {
        font-size: 14.3px;
    }

    .sub h4 {

        font-size: 1.1rem;

    }

    .sub p {
        font-size: 0.95rem;

    }

    #list li {

        font-size: 0.95rem;

    }
}