style.css

* {
    box-sizing: border-box;
}

body {
    background-color: darkorange;
}

main {
    display: block;
    max-width: 900px;
    border-radius: 8px;
    margin: 0 auto;
    padding: 30px;
    border: 2px solid black;
    background-color: white;
}

header {
    display: flex;
}

h1 {
    font-size: 7vw;
    padding: auto;
    margin-top: 0%;
    margin-bottom: 2%;
    width: 100%;
}

h1,
h2 {
    font-family: 'Rubik', sans-serif;
    font-weight: bold;
}

p {
    font-family: 'Rubik';
}

.btn {
    background-color: white;
    color: black;
    border: 2px solid #555555;
    border-radius: 2px;
    font-size: 1.8vw;
}



.btn:hover {
    background-color: #555555;
    color: white;
}

@media only screen and (max-width: 992px) {
    nav button {
        width: 100%;
        margin-bottom: 8px;
    }

    .btn {
        font-size: 20px;
    }
}

#about,
#why-fac,
#why-sd {
    display: none;
}

.icon {
    position: relative;
    width: 20%;
    min-width: 60px;
}

.icon img.icon-hover {
    position: absolute;
    top: 0;
    right: 0;
    left: 0;
    bottom: 0;
    object-fit: contain;
    opacity: 0;
    transition: opacity .3s;
}

.icon:hover img.icon-hover {
    opacity: 1;
}

footer {
    display: flex;
    justify-content: center;
    padding-top: 0;

}

footer p {
    font-size: 12px;
}