.grid-layout {
    position: relative;
    transition: height 200ms ease;
}

.grid-width-50 {
    width: 50%;
}

.grid-width-100 {
    width: 100%;
}

.grid-item {
    transition: all 200ms ease;
    transition-property: left, top, width;
    position: absolute;
    transform: translate3d(0, 0, 0);
}
.grid-item.cssTransforms {
    transition-property: transform;
}
.grid-item.resizing {
    z-index: 1;
    will-change: width, height;
}

.grid-item.draggable-dragging {
    transition: none;
    z-index: 3;
    will-change: transform;
}

.grid-item.grid-placeholder {
    opacity: 0.2;
    transition-duration: 100ms;
    z-index: 2;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    -o-user-select: none;
    user-select: none;
}

.grid-item > .resizable-handle {
    position: absolute;
    width: 20px;
    height: 20px;
    bottom: 0;
    right: 0;
    cursor: se-resize;
}

.grid-item > .resizable-handle::after {
    content: '';
    position: absolute;
    right: 3px;
    bottom: 3px;
    width: 5px;
    height: 5px;
    border-right: 2px solid rgba(0, 0, 0, 0.4);
    border-bottom: 2px solid rgba(0, 0, 0, 0.4);
}

.grid-layout {
    position: relative;
    transition: height 200ms ease;
}

.grid-width-50 {
    width: 50%;
}

.grid-width-100 {
    width: 100%;
}

.grid-item {
    transition: all 200ms ease;
    transition-property: left, top, width;
    position: absolute;
    transform: translate3d(0, 0, 0);
}
.grid-item.cssTransforms {
    transition-property: transform;
}
.grid-item.resizing {
    z-index: 1;
    will-change: width, height;
}

.grid-item.draggable-dragging {
    transition: none;
    z-index: 3;
    will-change: transform;
}

.grid-item.grid-placeholder {
    opacity: 0.2;
    transition-duration: 100ms;
    z-index: 2;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    -o-user-select: none;
    user-select: none;
}

.grid-item > .resizable-handle {
    position: absolute;
    width: 20px;
    height: 20px;
    bottom: 0;
    right: 0;
    cursor: se-resize;
}

.grid-item > .resizable-handle::after {
    content: '';
    position: absolute;
    right: 3px;
    bottom: 3px;
    width: 5px;
    height: 5px;
    border-right: 2px solid rgba(0, 0, 0, 0.4);
    border-bottom: 2px solid rgba(0, 0, 0, 0.4);
}