header {
    display: flex;
    height: 2rem;
    line-height: 2rem;
}

header img {margin-right: 0.5rem;}


h1,h2,h3,h4,h5,h6 {
    font-family: "Tilt Prism", system-ui;
    font-weight: 400;
    font-style: normal;
    color: black;

    margin-top: 1rem;
    margin-bottom: 0.25rem;
}
/* 16 pixels = 1rem = height of letter m of root element */
body {
    font-family: Arial, Helvetica, sans-serif;
    font-size: 1rem;
    color: black;

}
aside {
    background-color: purple;
    margin: 1rem;
    padding: 1rem;
}

aside a:link {color: white;}
ul {
    /* unordered list */
    list-style-type: disc;
    padding-left: 2rem;
}

ul li {
    margin-bottom: 0.5rem;
}

aside a:link {
    color: white;
    text-decoration: none;
}

aside a:visited {
    color: purple;
}

aside a:hover {
    text-decoration: underline;
}

aside a:active {
    color: grey;
}
footer a:link {
    color: goldenrod;
    text-decoration: none;
}

footer a:visited {
    color: grey;
}

footer a:hover {
    text-decoration: underline;
}

footer a:active {
    color: black;
}
footer h4, footer h5 {
    color: white;
}

footer {
    background-color: darkslategrey;

    background-image: url(bgimg/mountain-svgrepo-com.svg);
    background-size: 100px;
    background-repeat: repeat-x;
    padding: 3rem 4rem 6rem 4rem;
}