css

body{
    font-family: Arial;
}*{
    margin:0;
    padding:0;
}
header,footer{
    position: static;
    background-color:rgb(49, 49, 49);
    width: 100%;
    color: white;
}
header{
    height: 6.5vh;
    position: fixed;
}
footer{
    height: 5vh;
    bottom:0;
    text-align: center;
    font-size: 10px;
}
p{
    color: white;
}
.introtext{
    margin-top: 10x;
    color: black;
    background-image: url(../images/kitchenmainbg.png);
    background-repeat: no-repeat;
    background-size: cover;
    padding-top: 13%;
    padding-bottom: 300px;
    padding-left: 40%;
    padding-right: 40%;
    text-align: center;
    font-size: 100px;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: font-size 0.5s;
}
.introtext:hover{
    font-size: 120px;
    padding-bottom: 231px;
}

model-viewer{
display: inline-block;
    margin: 10px;
width: 900px;
min-height: 450px;
block-size:max-content;
border: 3px;
border-color: white;
border: 5px inset black;
}