.o-h1{
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}
.o-h1 h1{
    color: #009688;
}

/* timeline styling */

html{
  scroll-behavior: smooth;
}


.wrapper{
  max-width: 1080px;
  margin: 50px auto;
  padding: 0 20px;
  position: relative;
  color: #fff;
}
.wrapper .center-line{
  position: absolute;
  height: 100%;
  width: 2px;
  background: #c5c5c5;
  left: 50%;
  top: 20px;
  transform: translateX(-50%);
}
.wrapper .row{
  display: flex;
}
.wrapper .row-1{
  justify-content: flex-end;
}
.wrapper .row-2{
  justify-content: flex-start;
}
.wrapper .row section{
  background: green;
  border-radius: 5px;
  width: calc(50% - 40px);
  padding: 20px;
  position: relative;
}
.wrapper .row .c-1{
    background: #42a5f5;
}
.wrapper .row .c-2{
    background: #000;
}
.wrapper .row .c-3{
    background: #ffa726;
}
.wrapper .row .c-4{
    background: #66bb6a;
}
.wrapper .row .c-5{
    background: #ef5350;
}
.wrapper .row .c-6{
    background: #283593;
}
.wrapper .row section::before{
  position: absolute;
  content: "";
  height: 15px;
  width: 15px;
  background: #000;
  top: 80px;
  z-index: -1;
  transform: rotate(45deg);
}
.wrapper .row .c-1::before{
    background: #42a5f5;
}
.wrapper .row .c-2::before{
    background: #000;
}
.wrapper .row .c-3::before{
    background: #ffa726;
}
.wrapper .row .c-4::before{
    background: #66bb6a;
}
.wrapper .row .c-5::before{
    background: #ef5350;
}
.wrapper .row .c-6::before{
    background: #283593;
}
.row-1 section::before{
  left: -7px;
}
.row-2 section::before{
  right: -7px;
}
.row section .icon,
.center-line .scroll-icon{
  position: absolute;
  background: #2196f3;
  height: 40px;
  width: 40px;
  text-align: center;
  line-height: 40px;
  border-radius: 50%;
  color: #fff; 
  font-size: 17px;
 
}
.center-line .scroll-icon{
  bottom: 0px;
  left: 50%;
  font-size: 25px;
  transform: translateX(-50%);
}
.row-1 section .icon{
  top: 68px;
  left: -60px;
}
.row-2 section .icon{
  top: 68px;
  right: -60px;
}
.row section .details{
    display: flex;
  align-items: center;
  justify-content: flex-start;
}

.row section .bottom{
  display: flex;
  align-items: center;
  justify-content: flex-end;
}
.row section .details .title{
  font-size: 30px;
  font-weight: 400;
}
.row section p{
  margin: 30px 0 17px 0;
}

.row section .bottom a{
  text-decoration: none;
  background: #ef5350; 
  color: #fff;
  right: 0;
  height: 40px;
  width: 40px;
  text-align: center;
  line-height: 40px;
  border-radius: 50%;
  font-size: 17px;
}

.row section .bottom a:hover{
  transform: scale(0.97);
}

@media(max-width: 790px){
  .wrapper .center-line{
    left: 40px;
  }
  .wrapper .row{
    margin: 30px 0 3px 60px;
  }
  .wrapper .row section{
    width: 100%;
  }
  .row-1 section::before{
    right: -7px;
  }
  .row-1 section .icon{
    right: -60px;
  }
  .row-2 section::before{
    left: -7px;
  }
  .row-2 section .icon{
    left: -60px;
  }
  
}
@media(max-width: 440px){
  .wrapper .center-line,
  .row section::before,
  .row section .icon{
    display: none;
  }
  .wrapper .row{
    margin: 10px 0;
  }
}