.nano {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.nano>.nano-content {
    position: absolute;
    overflow: scroll;
    overflow-x: hidden;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    column-count:3;
    -webkit-column-count: 3;
    -moz-column-count: 3;
    padding: 10px;
}

.nano>.nano-content:focus {
    outline: dotted thin;
}

.nano>.nano-content::-webkit-scrollbar {
    display: none;
}

.has-scrollbar>.nano-content::-webkit-scrollbar {
    display: block;
}

.nano>.nano-pane {
    background: rgba(0, 0, 0, .25);
    position: absolute;
    width: 10px;
    right: 0;
    top: 0;
    bottom: 0;
    opacity: .01;
    -webkit-transition: .2s;
    -moz-transition: .2s;
    -o-transition: .2s;
    transition: .2s;
    -moz-border-radius: 5px;
    -webkit-border-radius: 5px;
    border-radius: 5px;
}

.nano>.nano-pane>.nano-slider {
    background: #444;
    background: rgba(0, 0, 0, .5);
    position: relative;
    margin: 0 1px;
    -moz-border-radius: 3px;
    -webkit-border-radius: 3px;
    border-radius: 3px;
}

.nano-pane.active,
.nano-pane.flashed,
.nano:hover>.nano-pane {
    opacity: .99;
}