header{
    width: 100%;
    display: flex;
    align-items: center;
    flex-direction: row;
}
li{
    width: 100%;
}
main{
    width: 100%;
    display: flex;
    align-items: center;
    flex-direction: column;
}
#hidden{
    opacity: 0%;
}
#experiences{
    display: flex;
}
#study{
    display: flex;
}
footer{
    display: flex;
}