body{
    background-color: #CBD6CB;
}

.center{
    margin: auto;
    width: 1100px;
}

.middle{
    text-align: center;
}

.center-small{
    margin: 0 auto;
}

.heading{
    font-family: Verdana, Geneva, Tahoma, sans-serif;
}

.ml-10{
    margin-left: 10px;
}

.plr-10{
    padding-left: 10px;
    padding-right: 10px;
}