body {
    background-color: #000000;
    font-family: Arial, Helvetica;
    font-size: 16pt;
}
.txtMain {
    color: yellow;
    font-size: 1.5em;
}
.txtCyan {
    color: cyan;
    font-size: 1em;
}

.txtGreen {
    color: green;
    font-size: .9em;
}

.txtMagenta {
    color: magenta;
    font-size: 1.1em;
    font-weight: bold;
}

.clients {
    color: black;
    font-size: 1em;
    font-weight: lighter;
    font-family: sans-serif;
}

.txtLI {
    color: cyan;
    font-size: 1.75em;
    font-weight: bold;
}
.web {
    background-color: white;
    width: 500px;
    align-self: center;
}