*{
    margin: 0;
    padding: 0;
}

main, article {
    margin: 0 10% 0 10%;
}

header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
}

nav ul {
    display: flex;
    justify-content: space-around;
    align-items: center;
    list-style: none;
    background-color: #000000;
    padding: 15px 0;
}

nav ul{
    display: flex;
    justify-content: space-around;
    align-items: center;
    list-style: none;
    background-color: #000000;
}

nav ul li{
    color: #FFFFFF;
    font-style: sans-serif;
    font-weight: bold;
}

.top {
    height: calc(100vh - 15vh);
    background-image: url(images/Logo.jpg);
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
}

article{
    margin: 10% 0 0 0;
}

article p{
    padding-top: 10px;
}

.flex{
    display: flex;
    justify-content: space-around;
    align-items: center;
}

.flexText{
    margin-right: 5%;
    width: 45%;
}

.flex img{
    margin-left: 5%;
    width: 45%;
    height: 45%;
    display: inline;
}

.head{
    font-family: serif;
}

.inAbout{
    border-bottom: #2bffb4 solid 2px;
}

.inTheme{
    border-bottom: #6c8df8 solid 2px;
}

.inProt1{
    border-bottom: #fc5f8e solid 2px;
}

video {
    width: 40%;
}

.inProt2{
    border-bottom: #f6f86c solid 2px;
}

.inProduct{
    border-bottom: #fec3fd solid 2px;
}

.contents h3 {
    margin: 5% 0 2% 3%;
}

footer{
    height: 10vh;
    margin: 3% 10% 0 10%;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    border-top: #000000 solid 1px;
}

@media screen and (max-width: 600px) {
    .flex{
        display: flex;
        flex-direction: column;
    }
    
    .flexText{
        width: 100%;
        margin-top: 5%;
        margin-right: 0;
    }
    
    .flex img{
        width: 100%;
        height: 100%;
        display: inline;
        margin-top: 5%;
        margin-left: 0;
    }

    nav ul li{
        font-size: xx-small;
    }

    video{
        width: 100%;
    }
}