body {
    font-family: sans-serif;
    font-size: medium;
}

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

#header_container {
    visibility: hidden;
    position: absolute;
}

img {
    visibility: hidden;
    position: absolute;
}

#skillslist {
    visibility: visible;
    position: relative;
}

.a7 {
    visibility: hidden;
    position: absolute;
}