:root{
  --atwb_border_color:black;
  --atwb_top_border_color:black;

  --atwb_odd_item_icon_color:red;
  --atwb_odd_item_icon_background_color:white;
  --atwb_even_item_icon_color:#ffffff;
  --atwb_even_item_icon_background_color:black;

  --atwb_odd_item_text_color:black;
  --atwb_odd_item_background_color:#ffffff;
  --atwb_odd_item_border_color:red;

  --atwb_even_item_text_color:black;
  --atwb_even_item_background_color:#ffffff;
  --atwb_even_item_border_color:green;

  --atwb_odd_item_animation_name:"";
  --atwb_even_item_animation_name:"";

  --atwb_item_animate_duration: 1s;
  --atwb_item_animate_delay: 1s;
  --atwb_item_animate_repeat: 1;

  --atwb_item_title_font_size:26px;
  --atwb_odd_item_title_color:black;
  --atwb_even_item_title_color:black;
}

.timeline_aria{
  border-top: 2px dashed var(--atwb_top_border_color);
  padding-top: 100px;
  width: 100%;
  position: relative;
  height: auto;
  overflow: hidden;
}
.timeline_aria::before{
  content: "";
  height: 100%;
  width: 0px;
  border-right: 2px solid var(--atwb_border_color);
  margin-left: -1px;
  position: absolute;
  left: 51.5%;
  top:0px;
}

.timeline_item_area{
  clear: both;
  width: 100%;
  position: relative;
  margin-bottom: 100px;
  display: inline-block;
  padding: 0px 10px;
 /* // display: flex; */

}
.timeline_item{
  width: 45%;
  /* border: 1px solid; */
  border-radius: 20px;
  padding: 10px 10px;
  /* border-top-right-radius: 20px;
  border-top-left-radius: 20px; */
  border-bottom: 2px solid;
  box-shadow: 0px 1px 5px 4px lightgray;
}
.timeline_item::before{
  content: "";
  clear: both;
  width: 100%;
  height: auto;
}
.timeline_item_area:nth-child(even) > .timeline_item{
top: 24px;
left: auto;
right: 100%;
float: right;
width: calc(45% - 18px);
margin-right: 18px;
}
.timeline_item_area:nth-child(odd) {
  animation-name: var(--atwb_odd_item_animation_name);
}
.timeline_item_area:nth-child(even){
  animation-name: var(--atwb_even_item_animation_name);
}
.timeline_item_area:nth-child(odd) > .timeline_item{
  color: var(--atwb_odd_item_text_color);
  border-color: var(--atwb_odd_item_border_color);

}
.timeline_item_area:nth-child(even) > .timeline_item{
  color: var(--atwb_even_item_text_color);
  border-color: var(--atwb_even_item_border_color);
}
.timeline_icon{
  position: absolute;
  top: -50px;
  left: 50%;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  box-shadow: 0 0 0 4px white, inset 0 2px 0 rgba(0, 0, 0, 0.08), 0 3px 0 4px rgba(0, 0, 0, 0.05);
  margin-left: -20px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.timeline_date{
  position: absolute;
  top: -45px;
  width: auto;
  height: 30px;


}

.timeline_item_area:nth-child(odd) > .timeline_icon{
 color: var(--atwb_odd_item_icon_color);
 background-color: var(--atwb_odd_item_icon_background_color);
}
.timeline_item_area:nth-child(even) > .timeline_icon{
  color: var(--atwb_even_item_icon_color);
  background-color: var(--atwb_even_item_icon_background_color);
}
.timeline_item_area:nth-child(odd) > .timeline_date{
  text-align: right;
  width: 44%;
}
.timeline_item_area:nth-child(even) > .timeline_date{
  text-align: left;
  left: 54%;
  width: 40%;
}


.timeline_thumbnail{
  display: block;
  text-align: center;
}
.timeline_thumbnail>img{
  width: 100%;
  border-top-left-radius: 20px;
  border-top-right-radius: 20px;
}
.timeline_title{
  font-size: var(--atwb_item_title_font_size);
  margin: 5px 0px;
}
.timeline_content{
  overflow: hidden;
}
.timeline_item_area:nth-child(odd) >.timeline_item > .timeline_title{
color:var(--atwb_odd_item_title_color);
}
.timeline_item_area:nth-child(even) >.timeline_item > .timeline_title{
  color:var(--atwb_even_item_title_color);
}
.addtimeline-btn{
  padding: 10px 20px;
  border: 1px solid lightgrey;
  background-color: #ffffff;
  color: black;
  font-size: 22px;
  cursor: copy;
}
.clearfix{
  clear: both;
}
.text-center{
  text-align: center;
}


/* =========================
          Responsive 
===============================*/
@media screen and (max-width:768px) {
  .timeline_item_area{
    padding: 0px 0px !important;
  }
  .timeline_aria::before{
      left: 16px;
  }
  .timeline_item_area:nth-child(even) > .timeline_date{
      left: auto;
  }
  .timeline_item_area:nth-child(odd) > .timeline_date,  .timeline_item_area:nth-child(even) > .timeline_date{
      text-align: left;
      width: calc(100% - 40px);
      right: 0;
   }
   .timeline_icon{
      left: 18px;
      width: 32px;
      height: 32px;
      margin-left: -18px;
  }
  .timeline_item_area:nth-child(even) > .timeline_item{
    /* top: 24px;
    left: auto;
    right: 100%;
    float: right;
    width: calc(45% - 18px);
  */  margin-right: auto; 
  }
  .timeline_item,  .timeline_item_area:nth-child(even) > .timeline_item{
      width: calc(100% - 30px);
      float: right;
      box-shadow: none;
      padding:5px 1px;
  }
}

/* ========================================
       //animate css 
======================================*/

.animate__animated {
  -webkit-animation-duration: 1s;
  animation-duration: 1s;
  -webkit-animation-duration: var(--atwb_item_animate_duration);
  animation-duration: var(--atwb_item_animate_duration);
  -webkit-animation-fill-mode: both;
  animation-fill-mode: both;
}

.animate__animated.animate__infinite {
  -webkit-animation-iteration-count: infinite;
  animation-iteration-count: infinite;
}
.animate__animated.animate__repeat-1 {
  -webkit-animation-iteration-count: 1;
  animation-iteration-count: 1;
  -webkit-animation-iteration-count: var(--atwb_item_animate_repeat);
  animation-iteration-count: var(--atwb_item_animate_repeat);
}
.animate__animated.animate__repeat-2 {
  -webkit-animation-iteration-count: calc(1 * 2);
  animation-iteration-count: calc(1 * 2);
  -webkit-animation-iteration-count: calc(var(--atwb_item_animate_repeat) * 2);
  animation-iteration-count: calc(var(--atwb_item_animate_repeat) * 2);
}
.animate__animated.animate__repeat-3 {
  -webkit-animation-iteration-count: calc(1 * 3);
  animation-iteration-count: calc(1 * 3);
  -webkit-animation-iteration-count: calc(var(--atwb_item_animate_repeat) * 3);
  animation-iteration-count: calc(var(--atwb_item_animate_repeat) * 3);
}
.animate__animated.animate__delay-1s {
  -webkit-animation-delay: 1s;
  animation-delay: 1s;
  -webkit-animation-delay: var(--atwb_item_animate_delay);
  animation-delay: var(--atwb_item_animate_delay);
}
.animate__animated.animate__delay-2s {
  -webkit-animation-delay: calc(1s * 2);
  animation-delay: calc(1s * 2);
  -webkit-animation-delay: calc(var(--atwb_item_animate_delay) * 2);
  animation-delay: calc(var(--atwb_item_animate_delay) * 2);
}
.animate__animated.animate__delay-3s {
  -webkit-animation-delay: calc(1s * 3);
  animation-delay: calc(1s * 3);
  -webkit-animation-delay: calc(var(--atwb_item_animate_delay) * 3);
  animation-delay: calc(var(--atwb_item_animate_delay) * 3);
}
.animate__animated.animate__delay-4s {
  -webkit-animation-delay: calc(1s * 4);
  animation-delay: calc(1s * 4);
  -webkit-animation-delay: calc(var(--atwb_item_animate_delay) * 4);
  animation-delay: calc(var(--atwb_item_animate_delay) * 4);
}
.animate__animated.animate__delay-5s {
  -webkit-animation-delay: calc(1s * 5);
  animation-delay: calc(1s * 5);
  -webkit-animation-delay: calc(var(--atwb_item_animate_delay) * 5);
  animation-delay: calc(var(--atwb_item_animate_delay) * 5);
}
.animate__animated.animate__faster {
  -webkit-animation-duration: calc(1s / 2);
  animation-duration: calc(1s / 2);
  -webkit-animation-duration: calc(var(--atwb_item_animate_duration) / 2);
  animation-duration: calc(var(--atwb_item_animate_duration) / 2);
}
.animate__animated.animate__fast {
  -webkit-animation-duration: calc(1s * 0.8);
  animation-duration: calc(1s * 0.8);
  -webkit-animation-duration: calc(var(--atwb_item_animate_duration) * 0.8);
  animation-duration: calc(var(--atwb_item_animate_duration) * 0.8);
}
.animate__animated.animate__slow {
  -webkit-animation-duration: calc(1s * 2);
  animation-duration: calc(1s * 2);
  -webkit-animation-duration: calc(var(--atwb_item_animate_duration) * 2);
  animation-duration: calc(var(--atwb_item_animate_duration) * 2);
}
.animate__animated.animate__slower {
  -webkit-animation-duration: calc(1s * 3);
  animation-duration: calc(1s * 3);
  -webkit-animation-duration: calc(var(--atwb_item_animate_duration) * 3);
  animation-duration: calc(var(--atwb_item_animate_duration) * 3);
}

/* Sliding entrances */
@-webkit-keyframes slideInDown {
  from {
    -webkit-transform: translate3d(0, -100%, 0);
    transform: translate3d(0, -100%, 0);
    visibility: visible;
  }

  to {
    -webkit-transform: translate3d(0, 0, 0);
    transform: translate3d(0, 0, 0);
  }
}
@keyframes slideInDown {
  from {
    -webkit-transform: translate3d(0, -100%, 0);
    transform: translate3d(0, -100%, 0);
    visibility: visible;
  }

  to {
    -webkit-transform: translate3d(0, 0, 0);
    transform: translate3d(0, 0, 0);
  }
}
.animate__slideInDown {
  -webkit-animation-name: slideInDown;
  animation-name: slideInDown;
}
@-webkit-keyframes slideInLeft {
  from {
    -webkit-transform: translate3d(-100%, 0, 0);
    transform: translate3d(-100%, 0, 0);
    visibility: visible;
  }

  to {
    -webkit-transform: translate3d(0, 0, 0);
    transform: translate3d(0, 0, 0);
  }
}
@keyframes slideInLeft {
  from {
    -webkit-transform: translate3d(-100%, 0, 0);
    transform: translate3d(-100%, 0, 0);
    visibility: visible;
  }

  to {
    -webkit-transform: translate3d(0, 0, 0);
    transform: translate3d(0, 0, 0);
  }
}
.animate__slideInLeft {
  -webkit-animation-name: slideInLeft;
  animation-name: slideInLeft;
}
@-webkit-keyframes slideInRight {
  from {
    -webkit-transform: translate3d(100%, 0, 0);
    transform: translate3d(100%, 0, 0);
    visibility: visible;
  }

  to {
    -webkit-transform: translate3d(0, 0, 0);
    transform: translate3d(0, 0, 0);
  }
}
@keyframes slideInRight {
  from {
    -webkit-transform: translate3d(100%, 0, 0);
    transform: translate3d(100%, 0, 0);
    visibility: visible;
  }

  to {
    -webkit-transform: translate3d(0, 0, 0);
    transform: translate3d(0, 0, 0);
  }
}
.animate__slideInRight {
  -webkit-animation-name: slideInRight;
  animation-name: slideInRight;
}
@-webkit-keyframes slideInUp {
  from {
    -webkit-transform: translate3d(0, 100%, 0);
    transform: translate3d(0, 100%, 0);
    visibility: visible;
  }

  to {
    -webkit-transform: translate3d(0, 0, 0);
    transform: translate3d(0, 0, 0);
  }
}
@keyframes slideInUp {
  from {
    -webkit-transform: translate3d(0, 100%, 0);
    transform: translate3d(0, 100%, 0);
    visibility: visible;
  }

  to {
    -webkit-transform: translate3d(0, 0, 0);
    transform: translate3d(0, 0, 0);
  }
}
.animate__slideInUp {
  -webkit-animation-name: slideInUp;
  animation-name: slideInUp;
}