#main{
    margin-top: 57px;
}

.about-lst-item{
    font-family: 'lato';
    display: flex;
    margin: 12px 0px;
}

.about-lst-step{
    display: flex;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    justify-content: center;
    align-items: center;
    background: #62B669;
    color: #fff;
    margin-right: 10px;
    font-size: 18px;
}

.about-lst-txt{
    display: flex;
    align-items: center;
    font-size: 18px;
    letter-spacing: 0.1px;
    color: #555;
    flex-wrap: wrap;
    width: 270px;
}

.block-about-columns{
    display: flex;
    flex-direction: row;
}

.block-about-column{
    margin-right: 90px;
}

.bac1{
    display: none;
}
.bac2{
    display: none;
}

.b2{
    height: 500px;
}

.b5 h3{
    margin-top: 0px;
}

.b3-5{
    padding-bottom: 60px;
    padding-top: 20px;
}


@media only screen and (max-width: 1450px) {

    .bac3{
        display: none;
    }

    .bac2{
        display: flex;
    }

}

@media only screen and (max-width: 900px) {

    .bac2{
        display: none;
    }

    .bac1{
        display: flex;
    }

}