.about-description {
    margin: 30px;
    line-height: 30px;
    text-align: center;
}
.page-content .container {
    height: 300px;
    margin: 75px 0;
}
.description-side {
    display: inline-block;
    width: 50%;
    height: 100%;
    vertical-align: middle;
    background-color: #fdfdfd; /* or #fafafa */
    text-align: center;
}
.pic-side {
    display: inline-block;
    width: 50%;
    height: 100%;
    vertical-align: middle;
}
#services-block {
    background: url('https://www.impresaedilebg.com/imgs/backgrounds/limone.jpg') center no-repeat;
    background-size: cover;
}
#projects-block, #projects-block-1 {
    background: url('https://www.impresaedilebg.com/imgs/backgrounds/DJI_0031.jpg') center no-repeat;
    background-size: cover;
}
#projects-block-1 {
    display: none;
}

.about-description-div {
    text-align: center;
}

.read-more-btn {
    background-color: #272932;
    color: #e3f2fd;
}

@media screen and (max-width: 1140px) {
    .about-description {
        line-height: 25px;
    }
}
@media screen and (max-width: 1020px) {
    .about-description {
        margin: 20px;
        font-size: 16px;
        line-height: 25px;
    }
}
@media screen and (max-width: 715px) {
    .about-description {
        margin: 10px;
    }
}
@media screen and (max-width: 680px) {
    .page-content .container {
        height: auto;
    }
    .description-side {
        width: 100%;
        height: auto;
    }
    .pic-side {
        width: 100%;
        height: 200px;
    }
    #projects-block {
        display: none;
    }
    #projects-block-1 {
        display: block;
    }
}