* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  .container{
      width: 100%;
      margin-right: 2em;
      background-color: teal;
      margin-left: 2em;
  }
  .portfolio{
      display: flex;
      flex-direction:row;
  }
  .portfolio h1,h2{
      display: flex;
      justify-content: center;
      align-items: center;
      text-align: center;
      padding: 10px;
  }
  .portfolio img{
      width: 200px;
      height: 190px;
      border-radius: 60%;
      border: 3px solid black;
      box-shadow: 0 2px 4px grey, 0 3px 5px gray;
  }
  .navigation-bar{
      display: flex;
      justify-content: space-between;
      height: 50px;
      margin-bottom: 2.5em;
      align-items: center;
      padding: 0 .3em;
      background-color: yellowgreen);
      color: black;
      font-family: sans-serif;
      font-weight: 500;
  }
.navigation-bar ul{
    list-style-type: none;
    display: flex;
    justify-content: flex-end;
}
.navigation-bar ul li{
    margin-right: 4em;
}
.closure h2{
    display: flex;
    justify-content: flex-start;
}
.closure{
    margin-left: 2em;
}