body,
html {
    height: 100%;
    font-family: "Hack";
    font-size: 15px;
    background-color: #333; /*#222*/
    background-image: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)),
        url("../images/logo-pad.png");
    background-repeat: repeat;
    background-size: clamp(80px, 20vw, 200px);
}

body {
    padding: 30px 0 0 0;
    color: #fff;
    font-size: 16px;
}

body * {
    box-sizing: border-box;
}

.portrait {
    overflow: hidden;
    max-height: 300px;
    max-width: 300px;
    margin: 0 auto 30px auto;
}

fieldset {
    background-color: rgba(82, 85, 85, 0.8);
    padding: 40px;
    margin-bottom: 30px;
    border-radius: 15px;
}

legend {
    border-bottom: 0;
    margin-bottom: 0;
}

h1 {
    font-size: 55px;
    color: #fff;
}

label {
    color: #fff;
}

.contact-data {
    color: #ccc;
}

.gulpLink img {
    zoom: 0.46;
    border-radius: 9%;
    position: relative;
    bottom: 10px;
}

.linkedInLink img {
    zoom: 0.08;
}

.xingLink img {
    zoom: 0.15;
}

.social-bar {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-evenly;
    align-items: center;
}
.social-bar a img {
    transition: filter 0.3s ease-in-out;
}
.social-bar a:visited img {
    filter: brightness(0.8);
}
.social-bar a:hover img {
    filter: brightness(1.2);
}

a:hover,
a:visited {
    text-decoration: none;
}

@media (max-width: 769px) {
    body,
    html {
        font-size: 14px;
    }

    .portrait {
        max-height: 250px;
        max-width: 250px;
    }

    fieldset {
        padding: 15px;
    }

    h1 {
        font-size: 35px;
    }

    .description {
        top: 0px;
    }
}
a {
    color: #559cd9;
    font-weight: bold;
}
.portrait img {
    position: relative;
    bottom: 20px;
}
.neutrallink {
    color: #eeeeff;
    font-weight: 400;
}
.neutrallink:visited,
.neutrallink:hover {
    color: #eeeef0;
}

details summary {
    cursor: pointer;
}

details * {
    font-weight: normal;
}