*{
margin:0;
padding:0;
box-sizing:border-box;
}
html,body {
width: 100%;
height: 100vh;
}
.sidebar {
  height: 95vh;
  width: 250px;
  position: fixed;
  top: 0;
  left: 0;
  background-color: #000;
  color: #ecf0f1;
  margin-top: 130px;
  padding-top: 20px;
  border-top-right-radius: 30px;
}

.sidebar h2 {
  text-align: center;
  color: #ecf0f1;
  margin-bottom: 30px;
}

.sidebar ul {
  list-style-type: none;
  padding: 0;
}

.sidebar ul li {
  padding: 15px;
  text-align: center;
}

.sidebar ul li a {
  color: #ecf0f1;
  text-decoration: none;
  display: block;
}

.sidebar ul li a:hover {
  background-color: #1b19191c;
  border-radius: 4px;
}

.content- {
  margin-left: 250px;
  padding: 20px;
}

.content h1 {
  margin-top: 0;
}