.d {
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    background-attachment: fixed;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}

.di {
    position: fixed;
    top: 120px;
    left: 250px;
}

.f {
    position: fixed;
    left: 500px;
    right: 500px;
    top: 100px;
    width: 500px;
    height: 200px;
    border: 5px solid grey;
    border-radius: 2px;
    text-align: center;
    font-weight: bold;
    font-size: medium;
    color: black;
}

.main {
    text-align: justify;
}

#name {
    font: small;
    font-size: small;
    font-family: -apple-system;
    width: 200px;
    height: 30px;
    margin-top: 10px;
    margin-left: 220px;
    border: 2px solid gray;
    border-radius: 5px;
    background-color:#E7E7E7;
}

#email {
    font: small;
    font-size: small;
    font-family: -apple-system;
    width: 200px;
    height: 30px;
    margin-top: 3px;
    margin-left: 200px;
    border: 2px solid gray;
    border-radius: 5px;
    background-color:#E7E7E7;
}

#phone {
    font: small;
    font-size: small;
    font-family: -apple-system;
    width: 200px;
    height: 30px;
    margin-top: 2px;
    margin-left: 212px;
    border: 2px solid gray;
    border-radius: 5px;
    background-color:#E7E7E7;
}

#gender {
    margin-right: 230px;
}

#c {
    margin: 10px;
}

#cb {
    font:small;
    font-size: small;
    font-family: -apple-system;
    width: 212px;
    height: 40px;
    margin-top: 2px;
    margin-left: 205px;
    border: 2px solid gray;
    border-radius: 5px;
    background-color:#E7E7E7;
}

#m {
    font: small;
    font-size: small;
    font-family: -apple-system;
    width: 205px;
    height: 35px;
    margin-top: 3px;
    margin-left: 190px;
    border: 2px solid gray;
    border-radius: 5px;
    background-color:#E7E7E7;
}

#pu {
    margin-top: 20px;
}

#ru {
    margin-top: 20px;
}

#sbtn {
    color: white;
    background-color: #04AA6D;
    font-family: -apple-system;
    font-size: 16px;
    font-weight: bold;
    border: 2px solid gray;
    border-radius: 2px;
    cursor: pointer;
    transition: ease-in 0.4s;
    transition-duration: 0.4s;
    padding: 5px;
    width: 100px;
    margin-top: 30px;
    margin-left: 150px;
}

#sbtn:hover {
    background-color: #008CBA;
    color: black;
}

#rbtn {
    color: white;
    background-color: #555555;
    font-family: -apple-system;
    font-size: 16px;
    font-weight: bold;
    border: 2PX solid gray;
    border-radius: 2px;
    cursor: pointer;
    transition: ease-in 0.4s;
    transition-duration: 0.4s;
    padding: 5px;
    width: 100px;
}

#rbtn:hover {
    background-color: #E7E7E7;
    color: black;
}