body {
    background-color: black;
}

#main-div {
    position: center;
    min-width: 540px;
    max-width: 63%;
    min-height:100%;
    margin-left: auto;
    margin-right: auto;
}

#main-body {
    display: flex;
    flex-direction: row;
    justify-content: center;
}

.border-3d {
    color: white;
    background-color: black;
    border: 3px solid;
    margin: 0.5em;
    padding: 0.5em;
}

.bord-in {
    border-top-color: #880088;
    border-left-color: #880088;
    border-right-color: #FF00FF;
    border-bottom-color: #FF00FF;

    background-color: #DF00DF;
}

.bord-out {
    border-top-color:  #FF00FF;
    border-left-color:  #FF00FF;
    border-right-color: #880088;
    border-bottom-color: #880088;

    background-color: #BF00BF;
}

#left-main {
    width: 100%;
    min-height:100%;
}

#right-main {
    width: 40%;
    min-height: 100%;
}

a:link {
    color: yellow;
}

a:hover {
    color: white;
}

a:visited {
    color: gold;
}