.sidebar {
    margin: 80px;
    margin-right: 0px;
    width: 300px;
    float: left;
}

.main {
    width: 850px;
    float: left;
    margin-top: 80px;
    margin-left: 0px;
}

/* The default state (small) */
.main img {
    margin-bottom: 50px;
    width: 400px; /* Or whatever size you want them to start at */
    cursor: pointer;
    transition: all 0.3s ease; /* Makes the resizing look smooth */
}

/* The expanded state */
.main img.expanded {
    width: 1300px;      /* Returns to original width */
    max-width: 90vw;  /* Prevents it from breaking the screen width */
    height: auto;
}


.main ul, li {
    list-style: none;
}

body {
    font-size: larger;
}

li {
    margin-bottom: 5px;
}

a {
    text-decoration: none;
    color: black;
}

a:hover {
    color: darkblue;
}