freecodecamp-projects/1-responsive-web-design/4-product-landing-page/styles.css

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

body{
    background: linear-gradient(
    lightpink,
    mintcream,
    lime
    );
}

#header{
    width: 100%;
    height: 3rem;
    min-height: 1%;
    position: sticky;
    top: 0;
    background-color: peachpuff;
    z-index: 10;
}

#logo{
    position: absolute;
    width: 30%;
    left: 1rem;
    top: 1rem;
    font-family: sans-serif;
}

#logo img{
    width: 2rem;
    height: 2rem;
    float: left;
    position: relative;
    bottom: 0.5rem;
}


#nav-bar{
    position: absolute;
    right: 0;
    display: flex;
    justify-content: space-evenly;
    width: 50%;
    padding-top: 1rem;
}

.nav-link{
    text-decoration: none;
    color: black;
}

main{
    margin: 0 auto;
    padding: 1rem 0;
    max-width: 70%;
    text-align: center;
}

main h1{
    padding: 3rem;
}

#video{
    width: 100%;
    padding: 2rem;
    border: 0;
}

#Why_ours{
    padding: 1rem;
    display:flex;
    flex-flow: column;
    justify-content: space-evenly;
}

.reason{
    display: flex;
    flex-wrap: nowrap;
    justify-content: space-between;
    font-size: 1.2rem;
    margin: 2rem 2rem;
}

.reason i{
    font-size: 3rem;
    position: relative;
    right: 2rem;
    bottom: 1rem;
    color: mediumpurple;
}

@media (max-width: 480px) {
    main{
        width: 100%;
        max-width: 100%;
        margin: 0;
    }
}

form{
    margin-top: 30px;
}

button{

    border: 0;
    font-weight: bold;
}