.board {
    position: relative;
    height: calc(100vh - 225px);
    width: 100% !important;
}
.board-column {
    position: absolute;
    width: 300px;
    padding: 0 8px 0 0;
    z-index: 1;
}

    .board-column.muuri-item-releasing {
        z-index: 2;
    }

    .board-column.muuri-item-dragging {
        z-index: 3;
        cursor: move;
    }

.board-column-header {
    position: relative;
    height: 40px;
    line-height: 40px;
    overflow: hidden;
    padding: 0 10px;
    text-align: left;
    border-radius: 0;
    font-weight: bold;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

@media (max-width: 600px) {
    .board-column-header {
        text-indent: -1000px;
    }
}
/* This is the secret sauce,
   always use a wrapper for setting
   the "overflow: scroll/auto" */


.board-column-content-wrapper {
    position: relative;
    height: 55vh;
    /*max-height: 100vh;*/
    overflow-y: auto;
}

.board-column-content {
    position: relative;
    min-height: 100%;
}

.board-item {
    position: absolute;
    width: 100%;
    margin: 0 0 9px 0;
    z-index: 999;
}

    .board-item.muuri-item-releasing {
        z-index: 998;
    }

    .board-item.muuri-item-dragging {
        z-index: 999;
        cursor: move;
    }

    .board-item.muuri-item-hidden {
        z-index: 0;
    }

.board-item-content {
    position: relative;
    padding: 10px;
    border-radius: 4px;
    font-size: 17px;
    cursor: pointer;
    -webkit-box-shadow: 0px 1px 3px 0 rgba(0,0,0,0.2);
    box-shadow: 0px 1px 3px 0 rgba(0,0,0,0.2);
}

@media (max-width: 600px) {
    .board-item-content {
        text-align: center;
    }

        .board-item-content span {
            display: none;
        }
}