.selectYearNav{
    margin-top: 84px;
    margin-left: 50%;
}
.selectYearNav li a{
    color: #fff;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-size: 18px;
    text-align: center;
    background-color: #1976d2;
    border: #1976d2;
    border-radius: 0px;
    padding: 10px 15px;
    margin: 1px;
    display: block; 
    text-decoration: none;
}
.selectYearNav li a:hover{
    background-color: #0d47a1;
    color: white;
    transition: 0.2s ease-in-out;
}
.selectYearNav > li{
    float: left;
}
.selectYearNav li ul{
    display: none;
    position: absolute;
    min-width: 120px;
}
.selectYearNav li:hover > ul{
    display: block;
}
.container embed{
    margin-top: 84px;
    margin-left: auto;
    margin-right: auto;
    width: 1000px;
    height: 1000px;
}
@media (max-width: 993px) {
    .container embed{
        margin-left: auto;
        margin-right: auto;
        width: 600px;
        height: 600px;
    }
  }