form#contributor-filter {
    text-align: center;
}


form#trial ul {
    max-width: 600px;
}


form#trial li {
    display: flex;
    margin-bottom: 1em;
    justify-content: flex-start;
}


form#trial select {
    padding: 2px;
}


form#trial label {
    flex: 1 0 250px;
    max-width: 300px;
}


form#trial li.submit {
    padding-left: 40%;
}


input[type=text], input[type=email], input[type=tel], select  {
    width: 40%;
}