.header{
    position: sticky;
    top: 0;
    z-index: 10;
    height: 80px;
    width: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    display: flex;
    justify-content: space-between;
    align-items: center;
}
#logo_container{
    width: 200px;
    height: 80px;
    display: flex;
    justify-content: center;
    align-items: center;
}
.logo_container{
    width: 200px;
    height: 80px;
    display: flex;
    justify-content: center;
    align-items: center;
}
.logo_header{
    width: 150px;
    height: 50px;
}
.menu_normal_container{
    width: 800px;
    height: 80px;
    display: flex;
    justify-content: space-evenly;
    align-items: center;
}
.lang_container {
    width: 70px;
    height: 50px;
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
}
.menu_languages{
    display: block;
    width: 50px;
    height: 50px;
}
.drop_down {
    display: none;
    cursor: pointer;
}
.lang_container:hover > .menu_languages {
    display: none;
}
.lang_container:hover > .drop_down {
    display: block;
    width: 25px;
    height: 25px;
    cursor: pointer;
}
.lang_list {
    position: absolute;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-evenly;
    width: 70px;
    height: 100px;
    top: 80px;
    background-color: rgba(0, 0, 0, 0.6);
}
.lang_list_flag {
    width: 30px;
    cursor: pointer;
}
.menu_normal_list{
    list-style-type: none;
    width: 80%;
    display: flex;
    flex-direction: row;
    justify-content: space-evenly;
    align-items: center;
}
.menu_normal_list_item{
    color: white;
    text-align: center;
    font-size: 14px;
    margin: 0;
    padding: 0;
    cursor: pointer;
    text-decoration: none;
    font-family:'Times New Roman';
}
.menu_normal_list_item:hover{
    color: grey;
    font-size: 18px;
}
.menu_button_container{
    display: none;
}
.none {
    display: none;
}
@media screen and (max-width: 800px) {
    .menu_normal_container{
        display: none;
    }
    .pop_up_menu{
        display: block;
    }
    .menu_button_container{
        display: block;
        width: 100px;
        height: 50px;
        display: flex;
        justify-content: center;
        align-items: center;
    }
    .menu_button{
        width: 32px;
        height: 32px;
    }     
    .none{
        display: none;
    }
    .menu_normal_list{
        list-style-type: none;
        display: flex;
        flex-direction: column;
        justify-content: space-evenly;
        align-items: center;
    }
    .menu_normal_list_item{
        color: white;
        text-align: center;
        font-size: 14px;
    }
    .menu_normal_list_item:hover{
        color: grey;
        font-size: 18px;
    }
}