.calls_per_month_item {
    padding: 10px;
    margin-top: 10px;
    margin-bottom: 20px; 
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.3s;
    min-height: 160px;
    position: relative;
}
.calls_per_month_item:hover {
    border: 1px solid #aaa;
}
.calls_per_month_item.active {
    /*box-shadow: 0 0 40px rgba(255, 255, 255, .3) inset;*/
    background-color: #449d44;
}

.calls_per_month_item.active:hover {
    border: 1px solid #449d44;
}

.calls_per_month_price, .calls_per_month_price_month {
    position: absolute;
    bottom: -15px;
    right: -15px;
    background-color: #ffffff;
    opacity: .9;
    border-radius: 100px;
    width: 80px;
    height: 80px;
    color: #242424;
    padding-top: 23px;
    font-size: 17px;
    text-align: center;
    line-height: 20px;
    display: none;

    -webkit-transform: rotate(-5deg); /* Chrome y Safari */
    -moz-transform: rotate(-5deg); /* Firefox */
    -o-transform: rotate(-5deg); /* Opera */
}
.calls_per_month_price_special {
    display: none;
}