* {
  box-sizing: border-box;
}

.row::after {
  content: "";
  clear: both;
  display: table;
}

[class*="col-"] {
  float: left;
  padding: 15px;
}

html {
  font-family: "Optima", sans-serif;
}

.header {
  background-color: #798393;
  color: #ffffff;
  padding: 15px;
}
#img_mm {
  width:200px; height:204px; padding-right:10px;
}
.header div {
  margin-left:15px;
}
#menu ul {
  list-style-type: none;
  margin: 0;
  padding: 0;
}

#menu li {
  padding: 8px;
  margin-bottom: 7px;
  text-align: center;
  background-color: #798393;
  color: #ffffff;
  box-shadow: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24);
  cursor: pointer;
}

#menu li:hover {
  background-color: #305796!important;
}

#menu li.selected {background-color: blue!important;}

.aside {
  padding: 15px;
}

.footer {
  background-color: #dddddd;
  text-align: center;
  font-size: 14px;
  padding: 15px;
}

.float-l-books {
  float: left;
  width: 310px;
  height: 600px;
  padding: 15px;
  text-align: center;
}

/* For mobile phones: */
[class*="col-"] {
  width: 100%;
}
@media only screen and (max-width: 550px) {
	.header div {text-align: center; clear: both;}
	#img_mm {display: block; margin: 0 auto;}
}
	

@media only screen and (min-width: 551px) {
  /* For tablets: */
  #img_mm {float: left;}
  .col-s-3 {width: 11em;}
  .col-s-9 {width: 75%;}
}
@media only screen and (min-width: 768px) {
  /* For desktop: */
  .col-3 {width: 11em;}
  .col-9 {width: 75%;}
}
.mycontent {display: "none";}