body {
    padding: 0 20px;
    font-family: 'Roboto', sans-serif;
    background: black;
    color: white;
    font-weight: 100;
    font-style: normal;
    
}
#contact {
    text-align: center;
    font-size: 12pt;
}

span {
    font-weight: 100;
    font-style:normal;
    color: darkgray;
}

h1 {
    font-weight: 500;
    color: white;
    text-align: center;
    font-style: italic;
    font-size: 35pt;
    margin: 0;
}

h2 {
    margin: 0;
    font-weight: 100;
    font-style: normal;
    font-size: 20pt;
}

.category {
    background-color: #333333;
    padding: 5px;
}

a {
    color: white;
    text-decoration: none;
}
a:hover {
    color: darkgray;
}
ul {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-gap: 10px;
    padding: 0;
}
@media only screen and (max-width: 900px) {
    ul {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media only screen and (max-width: 500px) {
    #contact {
        font-size: 10pt;
    }
    h2 {
        font-size: 18pt;
    }
    ul {
        grid-template-columns: repeat(1, 1fr);
    }
}

li {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    max-width: 100%;
}

li iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}