body {
  background-color: #333;
}
a {
  color: #fff;
  padding: 10px 0;
  text-align: center;
  font-weight: bold;
  text-decoration: none;
  }
a:hover, a:active {
  color: #4295f5;
  text-shadow: 2px 2px 4px #000000;
}
p {
  font-size: 16px;
  margin: 30px 30px;
  }
h1 {
  font-size: 36px;
  color:#fff;
  }
h2 {
  width:20%;
  color:#fff;
  margin: 30px 15px;
  border-bottom: 3px solid #4295f5;
  }
  
li {
  margin: 5px;
  list-style-type: none;
  padding: 2px 5px;
  }

.container {
  background-color: #555;
  font-family: Verdana;
  font-size: 15px;
  color: #ccc;
  margin: 10px;
  }
  
.header {
  text-align: center;
  padding: 10px 0;
  }
.nav {
  display: flex;
  justify-content: space-between;
  margin: 20px 0;
  }
.nav img {
  margin: 0 20px;
  max-height:70px;
  }
.nav ul {
  display: flex;
  flex-direction: row;
  align-items: center;
  align-content: space-around;
  }
.nav ul li {
  margin: 0 20px;
  list-style-type: none;
  }
.nav a {
  border: 2px solid #4295f5;
  border-radius: 15px;
  color: #fff;
  padding: 7px 25px;
  text-align: center;
  font-weight: bold;
  text-decoration: none;
  }
  
.nav a:hover, a:active {
  background-color: #4295f5;
}

.main-box {
  display:flex;
  margin: 5px;
  }
.sidebar {
  padding: 20px;
  border-radius: 15px;
  background-color: #333;
  width:30%;
  max-width:400px;
  margin: 10px;
  }
  
.sidemenu {
  display:flex;

  flex-direction:column;
  align-items:stretch;
  height:700px;
  overflow-y:scroll;
  }

.sidemenu img {
  margin: 20px 20px;
  opacity: 0.3;
}
.sidemenu img:hover {
  opacity: 1.0;
  }
.sidemenu span {
  color: #4295f5;
  font-size: 20px;
  font-weight:700;
  font-family:Cambria;
  margin: 20px 0;
  }
  
.sidemenu ul {
  display: flex;
  flex-direction: column;
  
  padding:0px;
  margin:0;
  }
.sidemenu ul li {
  border-radius: 5px;
  background-color: #777;

  font-size: 20px;
  list-style-type: none;
  display:flex;
  align-items:center;
  border-left: 6px solid #4295f5;
  list-style-position: inside;
  justify-content:space-between;
  }
.sidemenu ul li img {
  margin: 0;
  }
.content {
  width:70%;
  }
.main-box ul li {
  list-style-type: decimal;
  }
.main-box strong {
  font-weight:bold;
  font-size: 18px;
  color: #fff;
  }
.footer {
  background-color:#222;
  padding: 10px 0;
  text-align:center
  }
  
@media only screen and (max-width: 600px) {
  .nav, .nav ul {
    flex-direction:column;
    }
  .nav ul li {
    margin: 20px 0;
    }
  .main-box {
    flex-direction: column-reverse;
    }
  .sidemenu {
    max-width:none;
    width:auto;
    }
  .sidemenu ul {
    flex-direction:row;
    flex-wrap:wrap;
    }

}

@media only screen and (max-width: 1378px) {
  .nav ul {
    flex-wrap:wrap;
    }
  .nav ul li {
    margin: 20px 0;
    }

}