ul.timeline {
    list-style-type: none;
    position: relative;
}
ul.timeline:before {
    content: ' ';
    background: #d4d9df;
    display: inline-block;
    position: absolute;
    left: 29px;
    width: 2px;
    height: 100%;
    z-index: 400;
}
ul.timeline > li {
    margin: 20px 0;
    padding-left: 20px;
}
ul.timeline > li:before {
    content: ' ';
    background: white;
    display: inline-block;
    position: absolute;
    border-radius: 50%;
    border: 3px solid #339dd6;
    left: 20px;
    width: 20px;
    height: 20px;
    z-index: 400;
}

.panel-heading a:after {
    font-family:'Glyphicons Halflings';
    content:"\2212";
    float: right;
    color: grey;
}
.panel-heading a.collapsed:after {
    content:"\2b";
}

.panel-heading a:after {
  font-family:'Glyphicons Halflings';
  content:"\2212";
  float: right;
  color: grey;
}
.panel-heading a.collapsed:after {
  content:"\2b";
}

/*hr {border-top: 1px solid #000; width:50%;}*/

a {color: #000;}

a:link{text-decoration:none;}

.box1 {
    background: linear-gradient(to right, rgb(213, 107, 51, 0.6), rgb(213,107,51, 0.9));
}
.box2 {
    background: linear-gradient(to right, rgb(51, 157, 214, 0.6), rgb(51, 157, 214, 0.9));
}
.box3 {
    background: linear-gradient(to right, rgb(76, 214, 51, 0.6), rgb(76,214,51, 0.9));
}

#mainNav .nav-link {
    color: rgb(255, 255, 255, 1);
}