.about-section .column-left {
    width: 48%;
}

.about-section .column-right {
    width: 48%;
}

.about-section .column-right .img-wraper {
    position: relative;
    padding-bottom: 66.25%;
    border-radius: 20px;
    overflow: hidden;
}

.about-section .column-right .img-wraper img {
    position: absolute;
    height: 100%;
    width: 100%;
    top: 0;
    left: 0;
    right: 0;
    object-position: center;
}
.about-section .column-left .btn {
    margin-top: 15px;
}
@media only screen and (max-width:991px){
    .about-section .column-left {
        width: 100%;
    }
    .about-section .column-right {
        width: 100%;
        margin-top: 40px;
    }
}