.section-title{
    text-align: center;
    margin: 80px 0 40px 0;
}
.section-content{
    margin-bottom: 100px;
}
.section-content li{
    font-size: 16px;
    padding: 8px;
    margin-left: 30px;
}
.section-content .year_title{
    font-size: 20px;
    margin:30px 0 15px 0;
}

.year_title:hover {
    cursor: pointer;
}