body {
    margin:0px;
    padding:0px;
}

header {
    background-color:blueviolet;
    height:100px;
}

#header-text-cont {
    padding-top:25px;
    width: 1024px;
    margin-left: auto;
    margin-right: auto;
    vertical-align: middle;
    color: white;
    font-size: 40px;
    font-weight: 700;
    text-align: center;
}

#body-cont {
    width: 1024px;
    margin-left: auto;
    margin-right: auto;
    font-size: 30px;
}

.level-link{
    margin-top:10px;
    margin-bottom:10px;
}

.sub-section{
    margin-top: 15px;
    margin-bottom: 15px;
    text-decoration: underline;
    font-weight: 600;
    color:blueviolet;
}