.footer{
width: 100%;
height: 300px;
color: #adadad;
background-color: rgba(0, 0, 0, .85);
background-image: repeating-linear-gradient( -45deg,
transparent, transparent 0.27em,
rgba(51, 51, 51, .5) 0.001em, rgba(51, 51, 51, .5) 1em
);
}