I need help please. My css does'nt pass for the last step of building a landing page

body {
    display: block;
    margin: 0;
    padding: 0;
    background: transparent;
    font-family: Georgia, 'Times New Roman', Times, serif;
}

header {
    display: flex;
    color: black;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    position: fixed;
    top: 0;
    width: 100%;
}
nav {
    font-weight: 400;
    color: black;
    display: block;
}

nav > ul {
    width: 35vw;
    display: flex;
    justify-content: center;
    flex-direction: row;
    gap: 4rem;
    list-style: none;
}

ul {
    list-style-type: disc;
    margin-block-start: 1em;
    margin-block-end: 1em;
    margin-inline-start: 0px;
    margin-inline-end: 0px;
    padding-inline-start: 40px;
}


.container {
    max-width: 1000px;
    width: 100%;
    margin: 0 auto;
}

#hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    height: 200px;
    margin-top: 50px;
}
#hero input[type='email'] {
    max-width: 300px;
    width: 100%;
    padding: 5px;
}
#hero input[type='submit'] {
    max-width: 160px;
    width: 100%;
    height: fit-content;
    margin: 15px 0;
    border: 0;
    background-color: #6c63ff;
}
.btn {
    padding: 0 20px;
    min-height: 40px;
    font-size: 1em;
    font-weight: 900;
    text-transform: uppercase;
    border: 3px black solid;
    border-radius: 2px;
    background: transparent;
    cursor: pointer;
}
@media (orientation: landscape) {
    .grid {
        display: webkit-box;
        gap: 2px;
        height:100px;
        grid-template-columns: 100px 1fr;
        grid-template-rows: auto auto auto;
        justify-content: center;

    }
}

svg {
    display: flex;
    place-items: center;
    margin: 20px;
    height: 100px;
    width: 10vw;
}
#features {
    margin-top: 25px;
}
 div .desc {
    display: -webkit-box;
    position: relative;
}

h2 span {
    display: -webkit-box;
}

p span {
    display: -webkit-box;
    font-family: Georgia, 'Times New Roman', Times, serif;
    font-style: normal;
    font-size: medium;
}

#how it works {
    margin-top: 50px;
    display: flex;
    justify-content: center;
}

#how it works > iframe {
    max-width: 560px;
    width: 100%;
}
#video {
    margin: 55px auto;
}

h1 {
    margin-top: 120px;
    margin-bottom: 25px;
    word-wrap: normal;
}

li {
    float: left;
}


.logo > img {
            display: flex;
            max-width: 100%;
            height: 100%;
            width: 200px;
            position: absolute;
            margin-left: 2px;
            justify-content: flex-start;
            align-items: flex-start;
        }

 nav a {
    text-decoration: none;
    color: black;
}

nav a:hover {
    background: purple;
    transition: 0.5s;
    text-transform: uppercase;
}

div {
    display: block;

text-align: center;
}

form {
    display: block;

text-align: center;
font-family: Georgia, ‘Times New Roman’, Times, serif;
}

#email {
margin-bottom: 1rem;
border-top: 1px solid;
border-bottom: 1px solid;
padding: 0.6rem;
}

::-webkit-input-placeholder {
text-align: center;
}

#pricing {
margin-top: 55px;
display: flex;
flex-direction: row;
justify-content: center;
text-align: center;
}
#pricing > ol {
display: flex;
text-align: center;
justify-content: center;
margin: 0 auto;
}

.product {
display: flex;
align-items: center;
text-align:center;
flex-direction: column;
width: 300px;
margin: 25px;
border: 1px solid black;
border-radius: 3px;
}
.product > ol {
display: webkit-box;
text-align: center;
justify-content: center;
list-style: none;
padding: 25px;
}

.product > .level {
background-color: #6c63ff;
color: black;
padding: 15px 0;
width: 100%;
text-transform: uppercase;
font-weight: 600;
}
.product > h2 {
margin-top: 15px;

}
.product > button {
margin: 15px 0;
border: 0;
background-color: #6c63ff;
font-weight: 300;
}
a {
color: black;
text-decoration: none;
}
footer {
margin-top: 30px;
right: 0px;
left: 0px;
width: auto;
display: block;
position: absolute;
}
footer > ul {
display: flex;
justify-content: flex-end;
gap: 2rem;
list-style: none;
color: black;
}
footer > span {
display: flex;
justify-content: flex-end;
margin-top: 5px;
margin-left: 4px;
font-size: 1em;
color: black;
}
footer > ul > li {
padding: 0 10px;
}

div#pag-wrapper {
position: absolute;
}

share that step link…