*{font-family:sans-serif;padding:0;margin:0}body{background-color:#e3e3e3;width:100vw;height:100vh}a{color:inherit;text-decoration:none}.main_div{display:grid;grid-template-columns:50px auto 50px;grid-template-rows:50px auto 50px;width:100vw;height:100vh}.heading{grid-column:2 / span 1;grid-row:1 / span 1;text-align:center;margin:auto}.towers_canvas{display:block;max-width:calc(100vw - 100px);max-height:calc(100vh - 100px);margin:auto;grid-column:2 / span 1;grid-row:2 / span 1;box-shadow:#0000004d 0 19px 38px,#00000038 0 15px 12px}@media(max-width:700px){.towers_canvas{grid-column:1 / span 3;max-width:100vw}}.version_number{grid-column:2 / span 1;grid-row:3 / span 1;text-align:center;margin:auto;font-weight:700;font-style:italic;color:gray;font-family:Impact,Haettenschweiler,Arial Narrow Bold,sans-serif}