html, body {
    height: 100%;
    display: flexbox;
    flex-direction: column;
}

aside {
    float: left;
    width: 100%;
    padding: 1.5%;
    height: 100vh;
    color: #2c2c2c;
    border-right: 1px solid #4d4d4d;
}

header::after, header::before {
    box-sizing: border-box;
}

#menu {
    float: left;
    min-width: 10%;
    width: 20%
    height: 100vh;
    color: #2c2c2c;
}

#main {
    /*background-color: #f4f7fc;*/
    color: #2c2c2c;

}

header {
    height: 50px;
    border-bottom: 1px solid #4d4d4d;
}

header img {
    width: 60px;
    float: left;
    border: 1px;
}

#logo {
    font-size: 30px;
    margin-left: 10px;
    font-weight: bold;
    position: relative;
    top: 0px;
}

aside h3 {
    margin-top: 50px;
    font-size: 28px;
}

aside ul {
    list-style: none;
    margin-top: 20px;
    }

aside a {
    text-decoration: none;
   }

aside ul li {
    display: block;
    margin-top: 10px;
    transition: all .6s ease;
    color: #2c2c2c;
}

aside ul li:hover, aside ul a:hover {
    text-decoration: none;
    transform: scale(1.05);
}

div .container1 {
    text-align: center;
}

.content {
   flex: 1 0 auto;
}

.footer {
  position: fixed;
  left: 0; bottom: 0;
  padding:  0 5px 0 16%;
  margin-right: 10px;
  }

a .content {
text-decoration: none
}