*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
input{
    width: 100%;
    border-radius: 5px;
    outline: none;
    border: 1px solid lightgray;
    padding: 3px 10px;
}
label{
    margin-top: 10px;
}
#main_form{
    width: 30%;
    margin:10px  auto 0;
    padding: 10px 20px;
    border-radius: 7px;
    border: 1px solid gray;

}