.proto-padding-top{
    padding-top: 30px;
}
.proto-gallery .item{
    margin-bottom: 30px;
}
.proto-gallery-block{
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}
.proto-slides li{
    height: 100px;
}

.proto-slides li a{
    position: absolute;
    bottom: 50%;
    transform: translateY(+50%);
    display: block;
}
.proto-slides li a img{
    max-height: 100px;
    filter: grayscale(100%);
    -webkit-filter: grayscale(100%);
    opacity: .4;
    transition: 0.8s;
}
.proto-slides li a:hover img{
    filter: none;
    -webkit-filter: none;
    opacity: 1;
}



.piechart{
    /*max-width: 700px;*/
    height: 400px;
    margin: 0 auto;
}