.justify-content-center{
    margin-top: 60px;
    margin-bottom: 100px;
}
.row-flex{
    display: flex;
    flex-direction: row-reverse;
    justify-content: center;
    flex-wrap: wrap;
}
.align-items-center{
    align-items: center!important;
}
.col-flex{
    flex: 0 0 35%;
    -ms-flex: 0 0 35%;
    max-width: 35%;
    -webkit-box-flex: 0;
    padding-right: 15px;
    padding-left: 15px;
}
.single_about_part{
    border-radius: 6px;
    margin-bottom: 30px;
    padding: 30px 40px 30px 30px;
    position: relative;
    text-align: center;
    -webkit-transition-duration: 500ms;
    transition-duration: 500ms;
    z-index: 1;
    background-color: #f2f4f8;
    direction: rtl;
}
.single_about_part .feature_icon {
    border-radius: 50%;
    height: 50px;
    left: -25px;
    right: auto;
    position: absolute;
    top: 50%;
    width: 50px;
    margin-top: -25px;
    text-align: center;
}
.single_about_part .feature_icon:before {
    content: "";
    height: 3px;
    right: 50%;
    left: auto;
    margin-top: -1.5px;
    position: absolute;
    top: 50%;
    width: 120px;
    z-index: -5;
}
.single_about_part .feature_icon i {
    color: #fff;
    display: block;
    font-size: 24px;
    line-height: 50px;
}
.single_about_part .feature_icon:after {
    content: "";
    height: 20px;
    left: auto;
    right: calc(50% + 110px);
    margin-top: -10px;
    position: absolute;
    top: 50%;
    width: 20px;
    z-index: 9;
    border-radius: 50%;
    -webkit-animation: sonarWave 2s linear infinite;
    animation: sonarWave 2s linear infinite;
}
.single_about_part.active {
    color: #fff;
}
.single_about_part p {
    margin-bottom: 0;
    -webkit-transition-duration: 500ms;
    transition-duration: 500ms;
    font-weight: 400;
    line-height: 1.8;
    text-align: center
}
.single_about_part h3{
    margin-top: 0;
}
.single_about_part:hover p,
.single_about_part:hover h3{
    color: #fff;
}
@media (max-width: 990px) and (min-width: 768px){
    .col-flex{
        -ms-flex: 0 0 70%;
        flex: 0 0 70%;
        max-width: 50%;
    }
}
@media (max-width: 768px){
    .col-flex{
        -ms-flex: 0 0 100%;
        flex: 0 0 100%;
        max-width: 100%;
    }
    .single_about_part .feature_icon {
        display: none;
    }
}


@-webkit-keyframes sonarWave {
    from {
        opacity: 1;
        -ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=100)";
    }
    to {
        -webkit-transform: scale(2);
        transform: scale(2);
        opacity: 0;
        -ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=0)";
    }
}

@keyframes sonarWave {
    from {
        opacity: 1;
        -ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=100)";
    }
    to {
        -webkit-transform: scale(2);
        transform: scale(2);
        opacity: 0;
        -ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=0)";
    }
}