/* center item */
.center-item { 
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
  }

 /* font styles */
.default_font {
    font-family: Calibri, Verdana, Geneva, Tahoma, sans-serif;
  }

  /* body properties */
body {
    margin:0;
    background-color: whitesmoke;
  }

 /* img properties to resize images */
img {
  max-width: 100%;
}

  /* unvisited link */
a:link {
    color: black;
    text-decoration: none;
  }
  
  /* visited link */
a:visited {
    color: black;
    text-decoration: none;
  }
  
  /* mouse over link */
a:hover {
    color: black;
    text-decoration: none;
  }
  
  /* selected link */
a:active {
    color: black;
    text-decoration: none;
  }

  /* image border */
img {
    border: 1px solid grey;
}