.pell {
    border: 1px solid hsla(0,0%,4%,.1)
}

.pell, .pell-content {
    box-sizing: border-box
}

.pell-content {
    height: 300px;
    outline: 0;
    overflow-y: auto;
    padding: 10px
}

.pell-actionbar {
    background-color: #fff;
    border-bottom: 1px solid hsla(0,0%,4%,.1)
}

.pell-button {
    background-color: transparent;
    border: none;
    cursor: pointer;
    height: 30px;
    outline: 0;
    width: 30px;
    vertical-align: bottom
}

.pell-button-selected {
    background-color: #f0f0f0
}