.contact-form-box{
    max-width: 500px;
    margin: auto;
    padding-top: 60px;
}

input,
textarea{
    width: 100%;
    margin:10px 0px;
}

.contact-success-message{
    max-width: 800px;
    margin: auto;
    padding-top: 100px;
}


@media screen and (max-width: 500px) {
    .contact-form-box {
        max-width: 400px;
        margin: auto;
        padding-top: 40px;
    }
}

@media screen and (max-width: 400px) {
    .contact-form-box {
        max-width: 300px;
        margin: auto;
        padding-top: 40px;
    }
}