area-selection-js/src/area-selection.css

Simple and easy area selection library for image/video cropping

.area-selection-container * {
  user-select: none;
  -moz-user-select: none;
  -webkit-user-select: none;
  -ms-user-select: none;
  box-sizing: border-box;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
}

.area-selection-container img,
.area-selection-container video {
  vertical-align: middle;
  max-width: 100%;
}

.area-selection {
  position: relative;
  display: inline-block;
}

.area-selection-overlay {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 1;
  cursor: crosshair;
}

.area-selection-region {
  background: rgba(51, 153, 255, 0.1);
  border: 1px dashed rgba(51, 153, 255, 0.5);
  position: absolute;
  z-index: 3;
  cursor: move;
  top: 0;
}

.area-selection-handle {
  background-color: #39f;
  width: 5px;
  height: 5px;
  opacity: .75;
  position: absolute;
  z-index: 4;
}

.area-selection-handle-e {
  cursor: ew-resize;
  margin-top: -3px;
  right: -3px;
  top: 50%;
}

.area-selection-handle-n {
  cursor: ns-resize;
  left: 50%;
  margin-left: -3px;
  top: -3px;
}

.area-selection-handle-w {
  cursor: ew-resize;
  left: -3px;
  margin-top: -3px;
  top: 50%;
}

.area-selection-handle-s {
  bottom: -3px;
  cursor: ns-resize;
  left: 50%;
  margin-left: -3px;
}

.area-selection-handle-ne {
  cursor: nesw-resize;
  right: -3px;
  top: -3px;
}

.area-selection-handle-nw {
  cursor: nwse-resize;
  left: -3px;
  top: -3px;
}

.area-selection-handle-sw {
  bottom: -3px;
  cursor: nesw-resize;
  left: -3px;
}

.area-selection-handle-se {
  bottom: -3px;
  cursor: nwse-resize;
  height: 20px;
  opacity: 1;
  right: -3px;
  width: 20px;
}

.area-selection-handle-se::before {
  background-color: #39f;
  bottom: -50%;
  content: ' ';
  display: block;
  height: 200%;
  opacity: 0;
  position: absolute;
  right: -50%;
  width: 200%;
}

@media (min-width: 768px) {
  .area-selection-handle-se {
    height: 15px;
    width: 15px;
  }
}

@media (min-width: 992px) {
  .area-selection-handle-se {
    height: 10px;
    width: 10px;
  }
}

@media (min-width: 1200px) {
  .area-selection-handle-se {
    height: 5px;
    opacity: 0.75;
    width: 5px;
  }
}

.area-selection-dashed {
  border: 0 dashed #eee;
  display: block;
  opacity: 0.5;
  position: absolute;
}

.area-selection-dashed-h {
  border-bottom-width: 1px;
  border-top-width: 1px;
  height: calc(100% / 3);
  left: 0;
  top: calc(100% / 3);
  width: 100%;
}

.area-selection-dashed-v {
  border-left-width: 1px;
  border-right-width: 1px;
  height: 100%;
  left: calc(100% / 3);
  top: 0;
  width: calc(100% / 3);
}

.area-selection-center {
  display: block;
  height: 0;
  left: 50%;
  opacity: 0.75;
  position: absolute;
  top: 50%;
  width: 0;
}

.area-selection-center::before,
.area-selection-center::after {
  background-color: #eee;
  content: ' ';
  display: block;
  position: absolute;
}

.area-selection-center::before {
  height: 1px;
  left: -3px;
  top: 0;
  width: 7px;
}

.area-selection-center::after {
  height: 7px;
  left: 0;
  top: -3px;
  width: 1px;
}