CSS fix za ispitna Business

.border {
  border: 1px solid black;
}

ul {
  margin: 0;
  padding: 0;
  list-style-type: none;
}
a {
  text-decoration: none;
}

#header {
  display: flex;
  width: 1100px;
  margin: 0 auto;
  justify-content: space-between;
}

#logo {
  width: 355px;
  height: 144px;
}
#logo a {
  width: 100%;
  height: 100%;
  background-image: url("../images/logo.jpg");
  background-repeat: no-repeat;
  display: inline-block;
}

#header ul {
  /* width: 500px; */
  display: flex;
  align-items: center;
  justify-content: center;
}

#header ul li {
  margin-right: 10px;
  width: 120px;
  height: 31px;
}

#header ul li a {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-transform: uppercase;
  text-align: center;
  font-family: Arial, Helvetica, sans-serif;
  color: darkblue;
  background-image: url("../images/menu.gif");
  background-position: 8px -1px;
}

#header ul li.selected a {
  background-position: 8px -76px;
  color: white;
}

#header ul li a:hover {
  background-position: 8px -38px;

  color: darkblue;
}

/*  ------------------ */
/* BODY */
#body .header {
  background: url("../images/bg-body.gif");
  height: 500px;
}
#body .header > div {
  width: 1100px;
  background: url("../images/smiling-man.jpg") no-repeat right -18px;
  height: 100%;
  margin: 0 auto;
}
#body .header > div ul {
  padding-top: 31px;
  display: flex;
}
#body .header > div ul li {
  display: inline-block;
  width: 190px;
  height: 190px;
}

#body .header > div ul li:first-child {
  background-image: url("../images/discuss.jpg");
}
#body .header > div ul li:nth-child(2) {
  background-image: url("../images/flags.jpg");
}
#body .header > div ul li:nth-child(3) {
  background-image: url("../images/graph.jpg");
}

#body .header > div > div {
  display: flex;

  flex-direction: column-reverse;
}
#body .header > div > div > h3 {
  width: 500px;
  color: gray;
}
#body .header > div > div > h3 a {
  color: gray;
  text-decoration: underline;
}
#body .header > div > div > p {
  width: 500px;
  color: darkblue;
}

#body .header > div > div > p a {
  color: darkblue;
}

/* body body */

#body .body {
  width: 1100px;
  margin: 0 auto;
  /* display: flex; */

  display: grid;
  grid-template-columns: 200px 1fr 200px;
  /* grid-template-rows: 400px 100px; */
}

#body .body .section:first-child {
  height: 200px;
  background: url("../images/gears.jpg") no-repeat center center,
    url("../images/bg-section.gif");
}
#body .body .section:first-child a {
  padding-top: 160px;
  text-align: center;
  display: inline-block;
}
#body .body .section:last-child {
  height: 200px;
  display: flex;
  justify-content: center;
  align-items: center;
  background: url("../images/bg-section.gif");
}
#body .body .section:last-child a {
  height: 100%;
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
}

#body .body .article {
  background: url("../images/graph2.jpg") no-repeat,
    url("../images/bg-section.gif");
  padding-left: 190px;
}

/* body footer */
#body .footer {
  width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 200px 1fr 200px;
}

#body .footer h3,
#body .footer h3 a {
  font-weight: bold;
  color: darkblue;
  font-size: 20px;
  line-height: 40px;
  font-family: Arial, Helvetica, sans-serif;
  text-transform: uppercase;
}
#body .footer p,
#body .footer p a {
  font-family: Arial, Helvetica, sans-serif;
  color: rgb(68, 68, 68);
}

#body .footer span {
  font-size: 12px;
  color: gray;
}

#body .footer .featured {
  padding: 20px;
}

#body .footer ul li:not(:last-child) {
  padding-bottom: 15px;
  /* border-bottom: 1px dashed gray; */
  background-image: url("../images/border-dashed.gif");
  background-position: bottom;
  background-repeat: repeat-x;
}

#body .footer .section:last-child ul {
  list-style-type: unset;
  margin: unset;
  padding: unset;
  list-style-image: url("../images/bullets.gif");
}
/* Footer */

#footer {
  /* background: url('../images/bg-footer.gif') */
  background-color: #eee;
}

#footer > div:first-child {
  padding: 10px 0;
  width: 1100px;
  margin: 0 auto;

  display: flex;
  align-items: center;
  justify-content: space-around;
}
#footer h3 {
  text-transform: uppercase;
  color: gray;
}
#footer > div:first-child > div {
  text-align: center;
}

.facebook {
  color: transparent;
  font-size: 1px;
  background: url("../images/icons.gif");
  width: 26px;
  height: 26px;
  margin-right: 10px;
  display: inline-block;
}

.twitter {
  color: transparent;
  font-size: 1px;
  width: 40px;
  height: 26px;
  display: inline-block;
  background: url("../images/icons.gif") 0 90px;
}

#footer > div:last-child {
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: lightslategray;
}