.design-page{
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 15px 0;
}

.design-page .btn-show{
    background: transparent;
}
.design-btn-show{
    display: block;
}

.one-block-project{
    display: flex;
    margin-right: -2%;
    margin-top: 2%;
}
.one-block-project.hidden{
    display: none;
}
.one-block-project .img-block img{
    width: 100%;
}
.one-block-project .img-block{
    margin-right: 2%;
}
.one-block-project.horizontal .img-block{
    width: 31.33%;
}
.one-block-project.vertical .img-block{
    width: 23%;
}