#mobile-open-modal-app {
    color: #ffffff;
    background-color: #008000;
    height: auto;
    line-height: 1.5;
    padding-top: 10px;
    padding-bottom: 10px;
    padding-left: 30px;
    padding-right: 30px;
    margin-top: 10px;
    margin-bottom: 10px;
    vertical-align: middle;
    align-items: center;
    border-radius: 100px;
}