   input#wppb-submit {
    background-color: #52b237;
    border-color: #52b237;
    color: #fff;
    border-width: 2px;
    border-style: solid;
    padding: 0 30px 4px;
    line-height: 42px;
    border-radius: 30px;
}
#wppb-submit:hover {    
background-color: transparent;
    color: #00456d;
}
input#register {
    background-color: #52b237;
    border-color: #52b237;
    color: #fff;
    border-width: 2px;
    border-style: solid;
    padding: 0 30px 4px;
    line-height: 42px;
    border-radius: 30px;
}
input#register:hover {
    background-color: transparent;
    color: #00456d;
}