.my-form-row{
    display:flex;
    gap:15px;
    margin-bottom:15px;
}

.my-form-row input{
    flex:1;
}

.contact-form button,
.contact-form input[type="button"],
.contact-form input[type="submit"]{
    width:100%;
    padding:14px;
    background:#9c080e;
    color:#fff;
    border:none;
    border-radius:5px;
    cursor:pointer;
    transition:0.3s;
    font:inherit;
}

.contact-form button:hover,
.contact-form input[type="button"]:hover,
.contact-form input[type="submit"]:hover{
    background:#530407;
}