body {
    background-color: #fff;
    font-family: Georgia, serif;
    font-size: 16px;
    line-height: 100px;
    text-align: center;
    padding: 30px 0 0 0;
    margin: 0;
}

@media screen and (max-width: 640px) {
    body {
        padding-top: 8px;
    }
}

form,p {
    display: block;
    line-height: normal;
    margin: 0;
    vertical-align: middle;
}


p {
    text-align: left;
}

input[name=validate] {
    position: absolute;
    top: -99999px;
    left: -99999px;
}

input[type=text] {
    width: 100%;
    max-width: 300px;
    border: 1px solid #808080;
    border-radius: 2px;
    font: inherit;
    padding: 3px;
    box-sizing: border-box;
}

input[type=submit] {

    border: 1px solid #305f39;
    padding: 2px 14px 2px 14px;
    text-align: center;
    font: 14px/24px Arial,Helvetica,sans-serif;
    color: #fff;
    text-transform: uppercase;
    cursor: pointer;
    background-color: #1F7E4B;
    border-radius: 2px;
    display: inline-block;
}

@media screen and (max-width: 640px) {
    input[type=submit] {
        display: block;
        margin: 10px auto;
    }
}

.error {
    background-color: lightpink;
}