: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: calc(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;
  }