.my_heading {
  margin: 0;
  position: absolute;
  top: 50%;
  left: 50%;
  margin-right: -50%;
  transform: translate(-50%, -50%);
}
.navbar {
  overflow: hidden;
  background-color: rgb(28, 104, 125);
  /* position: fixed; */
  top: 0;
  width: 100%;
  height: 35px;
  z-index:1; /*Add this*/
}

.navbar a {
  height: 55px;
  float: left;
  display: block;
  color: #f2f2f2;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
  font-size: 17px;
}

.navbar a:hover {
  background: #ddd;
  color: black;
}

.my-btn {
  background-color: rgb(28, 104, 125);
  color: #f2f2f2;
  width: 174;
}

.my-btn-del {
  background-color: red;
  color: #f2f2f2;
  width: 174;
}

.my-btn:hover {
  background: #ddd;
  color: black;
}

.my-btn-del:hover {
  background: #ddd;
  color: black;
}

#search_type {
  width: 174;
}

#colorstrip{
	position: relative;
    width: 100%; height: 5px;
	top: 30px;
    border-color: rgb(112, 173, 72);
    background-color: rgb(112, 173, 72);
}

#top {
	margin: 0;
	position: absolute;
	left: 50%;
	transform: translate(-50%, 0);
}

#main_rep {
    position: relative;
	/* left: 260px; */
	top: 120px;
	width: 100%;
	float:left;
	height:45%;
	overflow-y: scroll;
	overflow-x: hidden;
	border:1px solid black;
}