App.css

.children_leftbranch .children_item:first-child:before {
  right: -1px;
  border: 0;
  border-radius: 0 4px 0 0;
  border-top: 1px solid var(--text-primary);
  border-right: 1px solid var(--text-primary);
}

.children_leftbranch .children_item:last-child:before {
  right: -1px;
  top: 0;
  bottom: 50%;
  border-radius: 0 0 4px 0;
  border: 0;
  border-right: 1px solid var(--text-primary);
  border-bottom: 1px solid var(--text-primary);
}

.children_leftbranch .children_item:first-child:last-child:before {
  top: 50%;
  bottom: auto;
  border: 0;
  border-radius: 0;
  border-top: 1px solid var(--text-primary);
}


/* .children  .node{
  background: --webkit-gradient(linear, left bottom, left top, from(rgba(0, 0, 0, 0.15)), to(rgba(0, 0, 0, 0.15))) var(--background);
  background: linear-gradient(to top, rgba(0, 0, 0, 0.15), rgba(0, 0, 0, 0.15)) var(--accent-primary);
}

.children  .children .node{
  background: --webkit-gradient(linear, left bottom, left top, from(rgba(0, 0, 0, 0.30)), to(rgba(0, 0, 0, 0.30))) var(--background);
  background: linear-gradient(to top, rgba(0, 0, 0, 0.30), rgba(0, 0, 0, 0.30)) var(--accent-primary);
}

.children  .children .children .node{
  background: --webkit-gradient(linear, left bottom, left top, from(rgba(0, 0, 0, 0.45)), to(rgba(0, 0, 0, 0.45))) var(--background);
  background: linear-gradient(to top, rgba(0, 0, 0, 0.45), rgba(0, 0, 0, 0.45)) var(--accent-primary);
}

.children  .children .children .children .node{
  background: --webkit-gradient(linear, left bottom, left top, from(rgba(0, 0, 0, 0.60)), to(rgba(0, 0, 0, 0.60))) var(--background);
  background: linear-gradient(to top, rgba(0, 0, 0, 0.60), rgba(0, 0, 0, 0.60)) var(--accent-primary);
}
  */

#L1, #R1{
  line-height: calc(var(--node-size) / 4);
  text-align: center;
  vertical-align: middle;
  padding-top: 15px;
}


/* #sidebarbox{
  visibility: visible !important;
  background-color: red !important;
  width: 16.66666667% !important
} */

 div.timeline-item.moretop div div.row.align-items-center div.col p{
  text-align: left;
 }
 

/*  ========================
      BUTTON TWO
======================== */

.btn-two {
  color: #fff;
  transition: all 0.5s;
  position: relative;
}
.btn-two span {
  z-index: 2;
  display: block;
  position: absolute;
  width: 100%;
  height: 100%;
}
.btn-two::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  transition: all 0.5s;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background-color: rgba(255, 255, 255, 0.1);
}
.btn-two::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  transition: all 0.5s;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background-color: rgba(255, 255, 255, 0.1);
}
.btn-two:hover::before {
  transform: rotate(-45deg);
  background-color: rgba(255, 255, 255, 0);
}
.btn-two:hover::after {
  transform: rotate(45deg);
  background-color: rgba(255, 255, 255, 0);
}


/* 
========================
      BUTTON THREE
======================== */

.btn-three {
  color: #fff;
  transition: all 0.5s;
  position: relative;
}
.btn-three::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  background-color: rgba(255, 255, 255, 0.1);
  transition: all 0.3s;
}
.btn-three:hover::before {
  opacity: 0;
  transform: scale(0.5, 0.5);
}
.btn-three::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  opacity: 0;
  transition: all 0.3s;
  border: 1px solid rgba(255, 255, 255, 0.5);
  transform: scale(1.2, 1.2);
}
.btn-three:hover::after {
  opacity: 1;
  transform: scale(1, 1);
}



div[class*="boxy"] {
  height: 33.33%;
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}

.boxy-1 {
  background-color: #ff6766;
}
.boxy-2 {
  background-color: #3c3c3c;
}
.boxy-3 {
  background-color: #66a182;
}

.btn-new {
  line-height: 50px;
  height: 50px;
  text-align: center;
  width: 250px;
  cursor: pointer;
}

/* 
========================
      BUTTON ONE
========================
*/
.btn-one {
  color: #fff;
  transition: all 0.3s;
  position: relative;
}
.btn-one span {
  transition: all 0.3s;
}
.btn-one::before {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  opacity: 0;
  transition: all 0.3s;
  border-top-width: 1px;
  border-bottom-width: 1px;
  border-top-style: solid;
  border-bottom-style: solid;
  border-top-color: rgba(255, 255, 255, 0.5);
  border-bottom-color: rgba(255, 255, 255, 0.5);
  transform: scale(0.1, 1);
}
.btn-one:hover span {
  letter-spacing: 2px;
}
.btn-one:hover::before {
  opacity: 1;
  transform: scale(1, 1);
}
.btn-one::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  transition: all 0.3s;
  background-color: rgba(255, 255, 255, 0.1);
}
.btn-one:hover::after {
  opacity: 0;
  transform: scale(0.1, 1);
}


.backtotop {
  place-self: end; 
  /* visual styling */
  text-decoration: none;
  padding: 10px;
  color:white !important;
  background: var(--text-primary);
  border-radius: 100px;
  white-space: nowrap;
  text-align: right;
}
.backtotop:hover{
  box-shadow: 5px 5px 15px black;
  color: white !important;
  transition: all 0.1s linear;
}