#navigation {
    display: flex;
    justify-content: space-around;
    padding: 15px;
    color: black;
    font-family: 'HFMonorita Bold', sans-serif;
}
.nav-current {
    color: black;
    text-decoration: none;
    font-size: 30px;
}
.nav-other {
    color: rgb(165, 155, 155);
    text-decoration: none;
}

.modelling {
    display: flex;
    justify-content: center;
}
.video-one {
    width: 50%;
}
.video-two {
    width: 50%;
    transform: rotateY(180deg);
}
@media only screen 
    and (device-width: 428px) { 
        #navigation {
            padding: 10px;
        }
        .nav-current {
            font-size: 20px;
        }
        .nav-other {
            font-size: 10px;
        }
        .modelling {
            flex-direction: column;
            margin: auto;
        }
        .video-one {
            width: 100%;
        }
        .video-two {
            width: 100%;
            transform: rotateX(180deg);
        }
    }

@media all and (max-width:420px) {
    #navigation {
        padding: 10px;
    }
    .nav-current {
        font-size: 20px;
    }
    .nav-other {
        font-size: 10px;
    }
    .modelling {
        flex-direction: column;
        margin-left: 10px;
    }
    .video-one {
        width: 98%;
    }
    .video-two {
        width: 98%;
        transform: rotateX(180deg);
    }
}
@media all and (max-width:380px) {
    .nav-current {
        font-size: 15px;
    }
    .nav-other {
        font-size: 8px;
    }
}