.grp-wrapper {
    background-image: url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAwAAAAMCAIAAADZF8uwAAAAGUlEQVQYV2M4gwH+YwCGIasIUwhT25BVBADtzYNYrHvv4gAAAABJRU5ErkJggg==")
}

.grp-preview {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    cursor: crosshair
}

.grp-handler {
    width: 4px;
    margin-left: -2px;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    height: 100%
}

.grp-handler-close {
    color: rgba(0,0,0,0.4);
    border-radius: 100%;
    box-shadow: 0 2px 10px rgba(0,0,0,0.25);
    background-color: #fff;
    text-align: center;
    width: 15px;
    height: 15px;
    margin-left: -5px;
    line-height: 10px;
    font-size: 21px;
    cursor: pointer
}

.grp-handler-close-c {
    position: absolute;
    top: -17px
}

.grp-handler-drag {
    background-color: rgba(0,0,0,0.5);
    cursor: col-resize;
    width: 100%;
    height: 100%
}

.grp-handler-selected .grp-handler-drag {
    background-color: rgba(255,255,255,0.5)
}

.grp-handler-cp-c {
    display: none
}

.grp-handler-selected .grp-handler-cp-c {
    display: block
}

.grp-handler-cp-wrap {
    width: 15px;
    height: 15px;
    margin-left: -8px;
    border: 3px solid #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.25);
    overflow: hidden;
    border-radius: 100%;
    cursor: pointer
}

    .grp-handler-cp-wrap input[type=color] {
        opacity: 0;
        cursor: pointer
    }