div.contact {
    width: 1200px;
    margin: 10px auto;
}
h2 {
    text-align: center;
}

main form {
    padding: 60px;
    border-radius: 20px;
    border: solid 1px rgba(0, 0, 0, 0.15);
}
div.field {
    width: 100%;
    float: none;
}
div.half {
    width: 50%;
    float: left;
}

label {
    display: block;
    padding: 0 10px;
}

input[type=text] {
    background: rgba(214, 202, 198, 0.3);
    border: 0;
    outline: 0;
    display: block;
    width: calc(100% - 10px);
    height: 40px;
    line-height: 40px;
    padding: 0 10px;
    color: #d6cac6;
}
textarea {
    background: rgba(214, 202, 198, 0.3);
    border: 0;
    outline: 0;
    display: block;
    width: calc(100% - 10px);
    font-size: 1em;
    height: 150px;
    line-height: 40px;
    padding: 0 10px;
    color: #d6cac6;
}
button {
    border: 0;
    outline: 0;
    display: inline-block;
    width: auto;
    height: 40px;
    line-height: 40px;
    padding: 0 30px;
    border: solid 1px #d6cac6;
    background: #d6cac6;
    color: #fff;
    transition: 0.5s;
}
button:hover {
    background: transparent;
    color: #d6cac6;
    transition: 0.5s;
}

@media screen and (max-width: 1200px) {
    div.contact {
        width: 100%;
    }
}
@media screen and (max-width: 850px) {
    main form {
        padding: 30px;
    }
}
@media screen and (max-width: 680px) {
    div.half {
        width: 100%;
        float: none;
    }
    div.field {
        margin: 10px 0;
    }
}