#welcome-img {
    width: 400px;
    transition: width 1s;
}

/* Mobile */
@media only screen and (max-width: 767px) {
    #welcome-img { width: 300px !important; }
}

.channel.image {
    transition: 300ms linear all;
    filter: invert(0.9);
}

.channel.column:hover .channel.image {
    filter: invert(0.75);
}

.channel.column:hover .channel.image.rotate.left {
    transform: rotate(-5deg);
}

.channel.column:hover .channel.image.rotate.right {
    transform: rotate(5deg);
}