<! DOCTYPE  html > < htmllang = " en" > < head> < metacharset = " UTF-8" > < metaname = " viewport" content = " width=device-width, initial-scale=1.0" > < title> </ title> < scriptsrc = " https://kit.fontawesome.com/d37465fc7c.js" crossorigin = " anonymous" > </ script> < style> *  { margin :  0; padding :  0; font-family :  sans-serif; list-style :  none; text-decoration :  none; } .middle  { position :  absolute; top :  50%; left :  50%; transform :  translate ( -50%,  -50%) ; } .menu  { width :  300px; border-radius :  8px; overflow :  hidden; } .item  { border-top :  1px solid #2980b9; overflow :  hidden; } .btn  { display :  block; padding :  16px 20px; background :  #3498db; position :  relative; color :  white; } .btn::before  { content :  "" ; position :  absolute; width :  14px; height :  14px; background :  #3498db; left :  20px; bottom :  -7px; transform :  rotate ( 45deg) ; } .btn i  { margin-right :  10px; } .smenu  { background :  #333; overflow :  hidden; transition :  max-height 0.3s; max-height :  0; } .smenu a  { display :  block; padding :  16px 26px; color :  white; font-size :  14px; margin :  4px 0; position :  relative; } .smenu a::before  { content :  "" ; position :  absolute; width :  6px; height :  100%; background :  #3498db; left :  0; top :  0; transition :  0.3s; opacity :  0; } .smenu a:hover::before  { opacity :  1; } .item:target .smenu  { max-height :  10em; } </ style> </ head> < body> < divclass = " middle" > < divclass = " menu" > < liclass = " item" id = " profile" > < ahref = " #profile" class = " btn" > < iclass = " fa-solid fa-user" > </ i> </ a> < divclass = " smenu" > < ahref = " " > </ a> < ahref = " " > </ a> </ div> </ li> < liclass = " item" id = " messages" > < ahref = " #messages" class = " btn" > < iclass = " fa-solid fa-envelope" > </ i> </ a> < divclass = " smenu" > < ahref = " " > </ a> < ahref = " " > </ a> < ahref = " " > </ a> </ div> </ li> < liclass = " item" id = " settings" > < ahref = " #settings" class = " btn" > < iclass = " fa-solid fa-gear" > </ i> </ a> < divclass = " smenu" > < ahref = " " > </ a> < ahref = " " > </ a> </ div> </ li> < liclass = " item" > < ahref = " " class = " btn" > < iclass = " fa-solid fa-right-from-bracket" > </ i> </ a> </ li> </ div> </ div> </ body> </ html> 
 
<! DOCTYPE  html > < htmllang = " en" > < head> < metacharset = " UTF-8" > < metaname = " viewport" content = " width=device-width, initial-scale=1.0" > < title> </ title> < scriptsrc = " https://kit.fontawesome.com/d37465fc7c.js" crossorigin = " anonymous" > </ script> < style> *  { margin :  0; padding :  0; } a  { text-decoration :  none; } li  { list-style :  none; } body  { font-family :  Arial,  Helvetica,  sans-serif; background-color :  #f4f4f4; } .navbar  { background-color :  #3b5998; overflow :  hidden; height :  63px; } .navbar a  { float :  left; display :  block; color :  #f2f2f2; text-align :  center; font-size :  17px; padding :  14px 16px; } .navbar ul  { margin :  8px 0 0 0; } .open-side i  { padding-top :  18px; } .navbar a:hover  { background-color :  #ddd; color :  #000; } .side-nav  { height :  100%; width :  0; position :  fixed; z-index :  1; top :  0; left :  0; background-color :  #111; opacity :  0.8; overflow-x :  hidden; padding-top :  60px; transition :  0.5s; } .side-nav a  { padding :  10px 10px 10px 30px; font-size :  22px; color :  #ccc; display :  block; transition :  .3s; } .side-nav a:hover  { color :  orange; } .side-nav .btn-close  { position :  absolute; top :  0; right :  22px; font-size :  36px; } #content  { transition :  margin-left .5s; padding :  20px; } @media ( max-width : 568px) { .navbar ul  { display :  none; } } </ style> </ head> < body> < navclass = " navbar" > < spanclass = " open-side" > < ahref = " #" onclick = " openSideMenu ( ) " > < iclass = " fa-solid fa-bars fa-2xl" > </ i> </ a> </ span> < ulclass = " navbar-nav" > < li> < ahref = " #" > </ a> </ li> < li> < ahref = " #" > </ a> </ li> < li> < ahref = " #" > </ a> </ li> < li> < ahref = " #" > </ a> </ li> </ ul> </ nav> < divid = " side-menu" class = " side-nav" > < ahref = " #" class = " btn-close" onclick = " closeSideMenu ( ) " > × </ a> < ahref = " #" > </ a> < ahref = " #" > </ a> < ahref = " #" > </ a> < ahref = " #" > </ a> </ div> < divid = " content" > < h1> </ h1> </ div> < script> xySideMenu =  document. getElementById ( "side-menu" ) ; xyContent =  document. getElementById ( "content" ) ; function  openSideMenu ( )  { xySideMenu. style. width =  "250px" ; xyContent. style. marginLeft =  "250px" ; } function  closeSideMenu ( )  { xySideMenu. style. width =  "0" ; xyContent. style. marginLeft =  "0" ; }  </ script> </ body> </ html>