.pop-img
{
    width: 80%;
    height: 40%;
    margin-left: 10% !important;
    margin-right: 1rem !important;
    align-items: center;
}

* {box-sizing: border-box}
body {font-family: Arial, Helvetica, sans-serif;}

.menubar {
  width: 100%;
  background-color: #555;
  overflow: auto;
}

.menubar a {
  float: left;
  padding: 12px;
  color: white;
  text-decoration: none;
  font-size: 17px;
  width: 25%; /* Four links of equal widths */
  text-align: center;
}

.menubar a:hover {
  background-color: #000;
}

.menubar a.active {
  background-color: #04AA6D;
}

@media screen and (max-width: 500px) {
  .menubar a {
    float: none;
    display: block;
    width: 100%;
    text-align: left;
  }
}

.button-div1 {
  float: left;
  padding: 5px; 
  margin-right: 5px;

}

.flagred {
  color: yellow;
  background-color: red;
}

.flagyellow {
  color: black;
  background-color: yellow;
}