html {
    background-color: grey;
}
header {
    text-align: center;
    font-size: larger;
    position: sticky;
    top: 0;
background-color:  rgb(141, 162, 205);
}
body {
    margin-left: 10px;
    margin-right: 10px;
    background-color:  rgb(141, 162, 205);
}
header img {
    width: auto;
    height:auto
}
nav {
    text-align: center;

}

.left-text {
    display: flex;
    text-align: left;
    align-items: center;
}

.left-text img {
    text-align: right;
    width: 100%;
    height: 100%;
    margin-left: 15px;
    margin-right: 15px;
}
.left-text p {
    font-size: 150%;
}
main h1 {
    text-align: center;
}
nav a {
    color: aquamarine;
}
nav a:hover {
color:aqua;
}
nav a {
    font-size: 16px;
}
.videos {
    text-align: center;
    display: block;

}
.spin 
    {
    animation: spin 1s linear 1;
    animation-delay: 0.5s;
}
@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}
.print img{
    width: 75%;
    height: 75%;
}
@media screen and (max-width: 799px) {
img {
    display: none;


}
   body {
    width: 100%;
    margin: 0;
   }

   nav ul li{
    float: none;
    font-size: x-large;
    width: 100%
   }
   nav a {
    border-bottom: 1px black;
   }

   main > img {
    width: 90%;
    float: none;
   }
   header {
    position: relative;
   }
       table.products {
        width: 100%;
    }

    table.products thead {
        display: none;
    }

    table.products,
    table.products tbody,
    table.products tr,
    table.products td {
        display: block;
    }

    table.products tr {
        margin-bottom: 20px;
        border: 10px solid black;
    }
}
table.products {
   background-color:rgb(141, 162, 205);
font-family: sans-serif;
width: 100%;
color:chartreuse;
}
table.products th, table.products td {
    border: 1px solid black;
    padding: 8px;
    text-align: left;
}



table.products th {
    background-color: darkblue;
    color: white;
    font-weight: bold;
    padding: 12px;
    border: 1px solid black;
}