.twentytwenty-horizontal .twentytwenty-handle:before, .twentytwenty-horizontal .twentytwenty-handle:after, .twentytwenty-vertical .twentytwenty-handle:before, .twentytwenty-vertical .twentytwenty-handle:after {
  content: " ";
  display: block;
  background: #79c501;
  position: absolute;
  z-index: 30;
/*  
	-webkit-box-shadow: 0px 0px 12px rgba(51, 51, 51, 0.5);
  -moz-box-shadow: 0px 0px 12px rgba(51, 51, 51, 0.5);
  box-shadow: 0px 0px 12px rgba(51, 51, 51, 0.5); 
*/
}

.twentytwenty-horizontal .twentytwenty-handle:after {
  width: 8px;
  height:80px;
  left: 50%;
  margin-left: -4px; }

.twentytwenty-horizontal .twentytwenty-handle:before {
  width: 50px;
  height: 290px;
  left: 50%;
  margin-left: -25px; 
  border-radius: 25px;
  content: "高难度含盐废水处理";
  font-size: 20px;
  color: #fff;
  text-align: center;
  font-weight: bold;
  padding: 24px 14px;
}

.twentytwenty-vertical .twentytwenty-handle:before, .twentytwenty-vertical .twentytwenty-handle:after {
  width: 9999px;
  height: 3px;
  top: 50%;
  margin-top: -1.5px; }

.twentytwenty-before-label, .twentytwenty-after-label, .twentytwenty-overlay {
  position: absolute;
  top: 0;
  width: 100%;
  height: 100%; }

.twentytwenty-before-label, .twentytwenty-after-label, .twentytwenty-overlay {
  -webkit-transition-duration: 0.5s;
  -moz-transition-duration: 0.5s;
  transition-duration: 0.5s; }

.twentytwenty-before-label, .twentytwenty-after-label {
  -webkit-transition-property: opacity;
  -moz-transition-property: opacity;
  transition-property: opacity; }

.twentytwenty-before-label:before, .twentytwenty-after-label:before {
  color: white;
  font-size: 13px;
  letter-spacing: 0.1em; }

.twentytwenty-before-label:before, .twentytwenty-after-label:before {
  position: absolute;
  background: rgba(255, 255, 255, 0.2);
  line-height: 38px;
  padding: 0 20px;
  -webkit-border-radius: 2px;
  -moz-border-radius: 2px;
  border-radius: 2px; }

.twentytwenty-horizontal .twentytwenty-before-label:before, .twentytwenty-horizontal .twentytwenty-after-label:before {
  top: 50%;
  margin-top: -19px; }

.twentytwenty-vertical .twentytwenty-before-label:before, .twentytwenty-vertical .twentytwenty-after-label:before {
  left: 50%;
  margin-left: -45px;
  text-align: center;
  width: 90px; }

/*.twentytwenty-left-arrow, .twentytwenty-right-arrow, .twentytwenty-up-arrow, .twentytwenty-down-arrow {
  width: 0;
  height: 0;
  border: 6px inset transparent;
  position: absolute; }

.twentytwenty-left-arrow, .twentytwenty-right-arrow {
  top: 50%;
  margin-top: -6px; }*/

.twentytwenty-up-arrow, .twentytwenty-down-arrow {
  left: 50%;
  margin-left: -6px; }

.twentytwenty-container {
  -webkit-box-sizing: content-box;
  -moz-box-sizing: content-box;
  box-sizing: content-box;
  z-index: 0;
/*  overflow: hidden;*/
  position: relative;
  -webkit-user-select: none;
  -moz-user-select: none; }
  .twentytwenty-container img {
    max-width: 100%;
    position: absolute;
    top: 0;
    display: block; }
  .twentytwenty-container.active .twentytwenty-overlay, .twentytwenty-container.active :hover.twentytwenty-overlay {
    background: rgba(0, 0, 0, 0); }
    .twentytwenty-container.active .twentytwenty-overlay .twentytwenty-before-label,
    .twentytwenty-container.active .twentytwenty-overlay .twentytwenty-after-label, .twentytwenty-container.active :hover.twentytwenty-overlay .twentytwenty-before-label,
    .twentytwenty-container.active :hover.twentytwenty-overlay .twentytwenty-after-label {
      opacity: 0; }
  .twentytwenty-container * {
    -webkit-box-sizing: content-box;
    -moz-box-sizing: content-box;
    box-sizing: content-box; }

.twentytwenty-before-label {
  opacity: 0; }
  .twentytwenty-before-label:before {
    content: "Before"; }

.twentytwenty-after-label {
  opacity: 0; }
  .twentytwenty-after-label:before {
    content: ""; }

.twentytwenty-horizontal .twentytwenty-before-label:before {
  left: 10px; }

.twentytwenty-horizontal .twentytwenty-after-label:before {
  right: 10px; }

.twentytwenty-vertical .twentytwenty-before-label:before {
  top: 10px; }

.twentytwenty-vertical .twentytwenty-after-label:before {
  bottom: 10px; }

.twentytwenty-overlay {
  -webkit-transition-property: background;
  -moz-transition-property: background;
  transition-property: background;
  background: rgba(0, 0, 0, 0);
  z-index: 25; }
  /*
.twentytwenty-overlay:hover {
    background: rgba(0, 0, 0, 0.5); }
    .twentytwenty-overlay:hover .twentytwenty-after-label {
      opacity: 1; }
    .twentytwenty-overlay:hover .twentytwenty-before-label {
      opacity: 1; }
*/
.twentytwenty-before {
  z-index: 20; }

.twentytwenty-after {
  z-index: 10; }

.twentytwenty-handle {
  height:184px;
  width: 60px;
  position: absolute;
  left: 50%;
  bottom:20%;
  margin-left: -30px;
  background:url(../images/img60.png) no-repeat top center;
/*  border: 3px solid white;
  -webkit-border-radius: 1000px;
  -moz-border-radius: 1000px;
  border-radius: 1000px;
  -webkit-box-shadow: 0px 0px 12px rgba(51, 51, 51, 0.5);
  -moz-box-shadow: 0px 0px 12px rgba(51, 51, 51, 0.5);
  box-shadow: 0px 0px 12px rgba(51, 51, 51, 0.5);*/
  z-index: 40;
  cursor: pointer; }

.twentytwenty-horizontal .twentytwenty-handle:before {
  bottom: 150%;
/* 	  
 margin-bottom: 22px;
 -webkit-box-shadow: 0 3px 0 white, 0px 0px 12px rgba(51, 51, 51, 0.5);
  -moz-box-shadow: 0 3px 0 white, 0px 0px 12px rgba(51, 51, 51, 0.5);
  box-shadow: 0 3px 0 white, 0px 0px 12px rgba(51, 51, 51, 0.5); */
}

.twentytwenty-horizontal .twentytwenty-handle:after {
  bottom: -120%;
/*  
  margin-top: 22px;
 -webkit-box-shadow: 0 -3px 0 white, 0px 0px 12px rgba(51, 51, 51, 0.5);
  -moz-box-shadow: 0 -3px 0 white, 0px 0px 12px rgba(51, 51, 51, 0.5);
  box-shadow: 0 -3px 0 white, 0px 0px 12px rgba(51, 51, 51, 0.5); 
*/
}	




.twentytwenty-vertical .twentytwenty-handle:before {
  left: 50%;
  margin-left: 22px;
  -webkit-box-shadow: 3px 0 0 white, 0px 0px 12px rgba(51, 51, 51, 0.5);
  -moz-box-shadow: 3px 0 0 white, 0px 0px 12px rgba(51, 51, 51, 0.5);
  box-shadow: 3px 0 0 white, 0px 0px 12px rgba(51, 51, 51, 0.5); }
.twentytwenty-vertical .twentytwenty-handle:after {
  right: 50%;
  margin-right: 22px;
/* 
	-webkit-box-shadow: -3px 0 0 white, 0px 0px 12px rgba(51, 51, 51, 0.5);
  -moz-box-shadow: -3px 0 0 white, 0px 0px 12px rgba(51, 51, 51, 0.5);
  box-shadow: -3px 0 0 white, 0px 0px 12px rgba(51, 51, 51, 0.5);
*/}

/*.twentytwenty-left-arrow {
  border-right: 6px solid white;
  left: 50%;
  margin-left: -17px; }

.twentytwenty-right-arrow {
  border-left: 6px solid white;
  right: 50%;
  margin-right: -17px; }*/

.twentytwenty-up-arrow {
  border-bottom: 6px solid white;
  top: 50%;
  margin-top: -17px; }

.twentytwenty-down-arrow {
  border-top: 6px solid white;
  bottom: 50%;
  margin-bottom: -17px; }







@media(max-width:1500px){
.twentytwenty-horizontal .twentytwenty-handle:after {bottom: -90%;}	
.twentytwenty-horizontal .twentytwenty-handle:before {height: 238px; bottom: 120%;font-weight: normal;font-size: 16px;	}	
}
@media(max-width:1100px){
.twentytwenty-horizontal .twentytwenty-handle:before,	
.twentytwenty-horizontal .twentytwenty-handle:after {display: none;}	
}
@media(max-width:768px){
.twentytwenty-handle{height: 60px; top: 50%; margin-top: -30px;}	
}@media(max-width:540px){
.twentytwenty-handle{height: 60px; top: 80%; }	
}