#mt-coupon-component .modal {
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgb(0,0,0);
    background-color: rgba(0,0,0,0.4);
}

#mt-coupon-component .modal-content {
    background-color: #fefefe;
    margin: 15% auto;
    padding: 20px;
    border: 1px solid #888;
    width: 30%;
}

#mt-coupon-component .close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    line-height: 20px;
}

#mt-coupon-component .close:hover,
#mt-coupon-component .close:focus {
    color: black;
    text-decoration: none;
    cursor: pointer;
}

@media (max-width: 768px) {
    #mt-coupon-component .modal-content{
        width: 50%;
    }
}

@media (max-width: 500px) {
    #mt-coupon-component .modal-content{
        width: 80%;
    }
}