html, body
{
    margin: 0;
    padding: 0;

    font-family:    Helvetica, Arial, sans-serif;
}

ul
{
    margin: 0;
    padding: 0;
    list-style-type: none;
}

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

img
{
    border: none;
}

input:focus,
button:focus
{
    outline: none;
}

input:invalid
{
    -moz-box-shadow:        none;
    -webkit-box-shadow:     none;
    box-shadow:             none;
}

button {
    border: none;
    background: none;
}