#calculator form {
    width: 50%;
    margin: auto;
}

nav a:hover {
    color: #f6bc3b !important;
}

nav img {
    width: 224px !important;
    height: 47px !important;
    margin-right: 20px !important;
}

@media screen and (max-width: 1000px) {

    #calculator form {
        width: 100%;
    }
}