* {
    padding: 0;
    box-sizing: content-box;
}

body {
    padding: 1% 15%;
    color: #222;
    background: #f2f2f2;
}

nav {
    display:flex;
    justify-content: space-between;
    align-items: baseline;
}

nav ul {
    min-width: 20%;
}
nav ul li {
    display: inline;
    list-style-type: none;
    padding: 2px 25px;
}

nav ul li a {
    text-decoration: none;
}

nav ul li:first-child {
    padding-left: 0;
}

main section:first-child {
    width: 400px;
}
section {
    margin-bottom: 40px;
}

main section:first-child h3 {
    font-size: 16px;
    font-weight: normal;
    text-align: justify;
}

#main input {
    display: block;
    margin-bottom: 15px;
    border: none;
    width: 250px;
    padding: 8px;
    border-radius: 3px;
}

#main button {
    width: 250px;
    border-radius: 3px;
    padding: 8px;
    box-shadow: none;
    border: none;
    background: #222; 
    color: #fff;
    font-weight: bold;
    font-size: 17px;
}

.cards-container {
    display: flex;
    align-items: space-between;
    justify-content: space-evenly;
    width: 100%;
}

.pricing > ul {
    display:flex;
    justify-content: space-evenly;
}

.pricing > ul li {
    background: #fff;
    border-radius: 8px;
    padding: 5px;
    box-shadow: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    list-style-type: none;
}

.pricing > ul li h4,
.pricing > ul li > p {
    text-align: center;
}

.pricing > ul ul {
    padding: 15px;
    font-size: 14px;
}

.pricing > ul ul li {
    list-style-type: circle;
}

.pricing > ul li button {
    display: block;
    margin: 15px auto 2px;
    width: 75%;
    background: transparent;
    border: 5px solid #000;
    font-weight: bold;
    padding: 10px;
    font-size: 15px;
    text-transform: uppercase;
}