* {
  box-sizing: border-box;
}

/* Create two equal columns that floats next to each other */
.bigcolumn {
float: left;
width: 50%;
height: 160px;
padding: 10px;
background-image: url('img/back.jpg');
top: 0px;
}
img {
max-width: 100%;
height: auto;
}
/* Clear floats after the columns */
.row:after {
content: "";
display: table;
clear: both;
}
/* Responsive layout - makes the two columns stack on top of each other instead of next to each other */
@media screen and (max-width: 600px) {
.bigcolumn {
width: 100%;
}
}