form {
    float: left;
    height: 300px;
    margin-left: 6%;
    width: 41%;
    padding: 1em;
    border: 1px solid black;
    border-radius: 1em;
    background: grey;
}

#postal {
    float: right;
    height: 300px;
    margin-right: 6%;
    width: 41%;
    padding: 1em;
    border: 1px solid black;
    border-radius: 1em;
    background: grey;
}

form div + div {
    margin-top: 1em;
}

label {
    display: inline-block;
    width: 90px;
    text-align: right;
}

input, textarea {
    font: 1em sans-serif;
    width: 300px;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
    border: 1px solid black;
}

textarea {
    vertical-align: top;
    height: 5em;
    resize: vertical;
}

button {
    margin-left: .5em;
}

.button {
    padding-left: 90px;
}

#invite {
    margin-bottom: 3em;
    margin-left: 1em;
}

.address {
    margin-top: 3em;
    margin-left: 10em;
}