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 #22c0e8;
    left: 20px;
    width: 20px;
    height: 20px;
    z-index: 400;
}

/*acordion*/

.accordion {
    background-color: #eee;
    color: #444;
    cursor: pointer;
    border-radius: 8px;
    margin: 1px;
    padding: 18px;
    width: 100%;
    border: 1px;
    text-align: left;
    outline: none;
    font-size: 18px;
    transition: 0.6s;
}
/*Acordion*/

.active, .accordion:hover {
    background-color: ;
}

.accordion:after {
    content: '\002B';
    color: #777;
    font-weight: bold;
    float: right;
    margin-left: 5px;
}

.active:after {
    content: "\2212";
}

.panel {
    padding: 0 18px;
    background-color: white;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease-out;
}