.section-app{
    background-image: url('img/bg-2.png');
    background-size: cover;
    color: white;
}
.section-app .description{
    text-align: justify;
    color: #fff;
    line-height: normal;
    font-size: 18px;
}
.section-app h2{
    margin-bottom: 15px;
    font-size: 24px;
    color: white;
}
.section-app h3{
    color: #4BBCEB;
    font-size: 18px;
}
.app-gif{
    position: absolute;
    height: 385px;
    top: 61px;
    left: 83px;
}