styles.css

@import url('https://fonts.googleapis.com/css2?family=Quicksand:300');

*, *::before, *::after {
    box-sizing: border-box;
}

html{
    height: 100%;
}

body {
    height: 100%;
    padding: 0;
    margin: 0;
    background-image: linear-gradient(#3162DF,#ACC0F2);
    font-family: 'Quicksand', sans-serif;
    font-size: 1.4rem;
    color: white;
    min-height: 100vh;
}

.container {
    max-width: 4000px;
    margin: 0 0;
    padding: 0 0;
    justify-content: center;
}

.full-height-grow {
    display: flex;
    flex-direction: column;
}

.main-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 85px;
}

.page-title {
    display: flex;
    align-items: center;
    font-size: 3rem;
    color: inherit;
    text-decoration: none;
    margin-left: 2rem;
    margin-top: 0;
}

.main-nav ul {
    display: flex;
    margin: 0;
    padding: 0;
    list-style: none;
}

.main-nav a {
    color: inherit;
    text-decoration: none;
    padding: 2.5rem; 
}

.main-nav a:hover {
    color: #adadad;
}

@media (max-width: 900px) {
    .page-title {
        display: none;
    }
}