:root {
    --bluebkgd: #60a9ff;
    --borderclr: #e1f1ff;
    --pricingfeatures: #016ff9;
    --pricingbtn: #348efe;
    --btnborder: #9dd1ff;
}

body {
    margin: 0;
    padding: 0;
    min-height: 100vh;
    background-color: var(--bluebkgd);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Open Sans', sans-serif;
}

ul {
    padding: 0;
}

.panel {
    display: flex;
    flex-direction: column;
    justify-content: space-evenly;
    align-items: center;
    background-color: white;
    width: 100%;
    text-align: center;
    text-transform: uppercase;
    max-width: 960px;
    padding: 15px 25px;
    border-radius: 10px;
}

.pricing-plan {
    border-bottom: 1px solid #e1f1ff;
}

.pricing-plan:last-child {
  border-bottom: none;
}

.pricing-img {
    margin-bottom: 25px;
    max-width: 100%;
}

.pricing-features {
    list-style: none;
    margin: 50px 0 25px;
    text-align: center;
}

.pricing-header {
    font-size: 18px;
    color: grey;
}

.pricing-features-item {
    font-size: 12px;
    font-weight: 600;
    color: var(--pricingfeatures);
    border-top: solid var(--borderclr) 1px;
    line-height: 1.5;
    padding: 15px 0;
    text-align: center;
}

.pricing-price {
    display: block;
    font-weight: 700;
    font-size: 30px;
    color: var(--pricingfeatures);
}

.pricing-button {
    display: inline-block;
    border: 1px solid var(--btnborder);
    color: var(--pricingbtn);
    padding: 15px 35px;
    border-radius: 10px;
    margin: 25px 0;
    text-decoration: none;
}

@media (min-width: 900px) {
    .panel {
        flex-direction: row;
        width: 100%;
         box-shadow: 5px 10px rgba(0,0,0,0.4);
    }

    .pricing-plan {
        padding: 25px 50px;
    }
}