form.pms-form ul.pms-form-fields-wrapper li{
    display: flex;
    flex-wrap: wrap;
}
.pms-subscription-plan{
    flex: 1;
    margin: .25em;
    padding: 1.85em;
    border: 1px solid #cecece;
    min-height: 250px;
    background-color: #81c747;
}

.pms-subscription-plan > label{
    width: 100%;
}

.pms-subscription-plan > label > input{
    display: block;
    margin: 0 auto 1.75em!important;
}

.pms-subscription-plan > label > span {
    font-size: 1.45rem;
    color: #ffffff;
    font-weight: 600;
}

#pms-active-gateways-not-available, #pms-gateways-not-available{
    width: 100%;
}

.pms-form > input[type=submit]{
    display: block;
    background-color: #81c747;
    margin: 35px auto;
    color: white;
    font-size: 1.5em;
    padding: 15px 35px;
    border-radius: 8px;
    border: none;
    font-weight: bolder;
}