.title {
    text-align: center;
}

.demos {
    width: 90%;
    margin: 0 auto;
    text-align: center;

}

.demo {
    padding: 30px;
    margin: 20px 0;
}

.item {
    display: inline-block;
    width: 200px;
    height: 200px;
    background: purple;
    margin-right: 30px;
    margin-bottom: 30px;

    text-align: center;
    color: white;
    line-height: 200px;
    font-size: 20px;
    font-weight: bold;


}

.item p {
    line-height: 1.8;
    display: inline-block;
}


#item_7{
    display: none;

}

#item_7.animated{
    display: inline-block;
}