.ex_imgs {
    height:200px;
    width:200px;  
} 

img.entry{
    height: 20px;  
    transition: height 1s, filter 1s;
    filter:brightness(0%);
}
img.interactive-image:hover {
    height: 250px;
    width: 250px;
    filter: brightness(100%);
.aside{
    color:blue;
    font-size:35px;
}
body {
    font-family: 'Mulish', sans-serif;
    color:green;
} 
.aside_detailed{
    position:relative; left:1130px;
    margin-top:-100px;
}
nav {
    border-bottom: 1px solid black;
}
.topnav {
    position:fixed;
    top:0; width: 100%;
    color: white;
  background-color: #333;
  overflow: hidden;
}

/* Style the links inside the navigation bar */
.topnav a {
  float: left;
  display: block;
  color: #f2f2f2;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
  font-size: 17px;
}

/* Change the color of links on hover */
.topnav a:hover {
  background-color: #ff0cd;
  color: black;
}