body {
    margin: 0;
    background-color: #F7F7F7;
    font-family: "Helvetica Neue", Helvetica, sans-serif;
    font-size: 14px; /* bootstrap default for backwards compat */
}

/* these sometimes appear in html from markdown */
hr {
    display: none;
}

#body-container {
    margin-top: 40px;
    min-height: calc(100vh - 80px); /* push footer down. 80px = header+footer */
    overflow: hidden; /* prevents child elements' margins from pushing this around  */
    text-align: center;
}
div#content {
    max-width: 600px;
    margin: auto;
}

h1 {
    font-weight: normal;
    font-size: 4em;
    color: rgb(74, 74, 74);
}

section {
    background-color: white;
    border-radius: 5px;
    padding: 20px;
    margin: 10px;
}

a {
    text-decoration: none;
    color: rgb(0, 99, 99);
    border: 1px solid;
    border-radius: 3px;
    padding: 4px;
}
a:hover {
    color:rgb(0, 57, 57);
    background-color: #F7F7F7;
}


/* footer */
footer {
    height: 30px;
    overflow: hidden;
    background-color: rgb(46, 46, 46);
    color: rgb(131, 140, 149);
    font-size: 12px;
    font-weight: normal;
    padding: 5px 4em;
    text-align: left;
    -webkit-box-sizing: content-box;
    -moz-box-sizing: content-box;
    box-sizing: content-box;
}

/* Survey section  */

#survey img {
    height: 120px;
}

#survey a:has(> img) {
    border: none;
    padding: none;
}
#survey a:has(> img):hover {
    background-color: transparent;
}

/* Conference sections */

#dgkn img,
#pbhc img,
#jena img,
#cuttingeeg img {
    height: 80px;
}

/* Media section  */

#media h3 {
    text-align: left;
}

#media ul {
    list-style-type: none;
    text-align: left;
}

#media img[alt="lang-us"], 
#media img[alt="lang-gb"],
#media img[alt="lang-ca"],
#media img[alt="lang-it"],
#media img[alt="lang-de"] {
    height: 0.7em;
    opacity: 0.6;
}

#media a {
    text-decoration: none;
    color: rgb(0, 99, 99);
    border: none;
    padding: 0;
}
#media a:hover {
    color:rgb(0, 57, 57);
    border: none;
    background-color: white;
}


/* About section  */

#about a {
    display: inline-block;
    margin: 1em;
}

#about img {
    height: 60px;
    margin: 10px;
}

#about a {
    color: rgb(0, 99, 99);
    border: none;
    border-radius: 0;
    padding: 0;
    margin: 0;
}
#about a:hover {
    text-decoration: underline;
    background-color: transparent;
}