body{
    display:flex;
    flex-direction:column;
    align-items:center;
    justify-content: center;
    background:#1D2333;
    color:white;
    font-family:Arial, Helvetica, sans-serif
}
*{
    margin:0px;
    padding:0px;
}
.container{
    width:1140px;
    margin:auto;
}
.btn{
    width:800px;
    height:300px;
    margin:auto;
    background:#ddd;
}
.btnList{
    list-style:none;
}
.btnList li{
    color:white;
    background:rgb(7, 6, 24);
    width:100px;
    font-size:15px;
    padding:15px;
    border-radius:5px;
    -webkit-border-radius:5px;
    -moz-border-radius:5px;
    -ms-border-radius:5px;
    -o-border-radius:5px;
    float:left;
    margin:10px;
}

.table_class{
    background:#1D2333;
    box-sizing:border-box;
    padding:20px;
    border:1px solid white;


}
tr{
    text-align:justify;
    
}
th{
    padding:15px;
    
}
.heading{
    text-align:center;
    color:white;
    font-size:45px;
    font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS',  sans-serif;
    padding:20px;

}