html {
      background-color: black !important
   }

body {
    vertical-align: center;
}

.column {
    display: flex;
    flex-direction: column;
    align-content: center;
    justify-content: center;
    align-items: center;
}

.row {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
}

#mardborg {
    position: absolute;
    display: none;
    top: 50%;
    bottom: 50%;
    right: -100%;
 }

.selectable {
    cursor: pointer;
}