body{
    background-color: #555555;
}
.border {
    border-style: solid;
    border-width: medium;
    margin: 25px 50px 75px;
    padding: 20px;
    background-color: white;
    font-family: 'Titillium Web', sans-serif;
}
.center {
    display: block;
    margin-left: auto;
    margin-right: auto;
  }

 table {
    border-collapse: collapse;
  }

  table, th, td {
    border: 1px solid black;
  }
@media(max-width: 767px){
    .border {
        margin: 10px;
    }
    ol, ul {
        padding-left: 15px;
    }
}