html, body {
    box-sizing: border-box;
    font-family: sans-serif;
    height: 100%;
    margin: auto
}  
.banner {
 background-image: url("img/skoipt.jpg");
 background-repeat: no-repeat;
 background-size: cover;
 background-position: center;
 background-blend-mode: multiply;
 background-color: #818080;
 height: 200px;
  }

.banner-links {
  padding: 5px 0 5px 0;
  width: 100%;
  background-color: #f1f1f1;
  display: inline-block;
  }  
.banner-links a{
  padding-left: 50px
  }

p {
  padding: 0 50px 0 50px
  }
.sidebar {
  margin: 0;
  padding: 20px;
  width: 200px;
  background-color: #f1f1f1;
  position: fixed;
  overflow: auto;
}
.content {
  margin-left: 200px;
  padding: 1px 16px;

  display: block;
}

h1 {
  padding-left: 40px
  }
  
.footer {
  margin-top: 175px;
  background-color: #000000;
  height: 200px
  }