body{
    background-color:#fff;
    font-size: 18px;
    font-family: Georgia;
    }
    nav{
    text-align: center;
    padding: 20px;
    }
    .main-block{
    text-align: center;
    color: #fff;
    }
    .main-title{
    color:Black;
    }

    .main-block ul{
    background-color:#ca1226;
    width:50%;
    text-align: left;
    margin: 0 auto;
    border-radius: 10px;

    }
    .main-block li {
    list-style-type: disclosure-closed;
    padding: 10px;
    margin: 5px 0;
    }
    .main-block li:hover {
    color:grey;
    }
    a{
     text-decoration: none !important;
     color:white;
    }
    a:hover{
    color:grey;
    }