#submit {
    padding: 0.5em 2em;
    border-radius: 2em;
    display: inline-block;
    color: #fff;
    background-color: #000;
    transition: all 0.15s ease;
    box-sizing: border-box;
    border: 1px solid #000;
    font-size: 1em;
}

#id_content {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    width: 100%;
    border-radius: 5px;
    border: 1px solid #C0CCDA;
    resize: vertical;
    font-size: 1em;
}

#commentform input[type=text], input[type=email], input[type=url] {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    height: 2em;
    font-size: 1em;
    border-radius: 5px;
    border: 1px solid #C0CCDA;
}

#commentform label {
    height: 2em;
}