body {
    font-family: 'Nanum Gothic', sans-serif;
    height: auto;
    width: 100%;
    text-align: center;
}

img {
    width: auto;
    height: auto;
    border: 5px solid white;
}


header {
    width: 100%;
    height: auto;
    background-color: black;
    text-align: center;
    color: white;
    padding-top: 2.5%;
    padding-bottom: 2.5%;
}

footer {
    width: 100%;
    height: auto;
    background-color: black;
    text-align: center;
    color: white;
    padding-top: 2.5%;
    padding-bottom: 2.5%;
}

#mainImg {
    max-width: 100%;
    height: auto;
    box-shadow: 5px 5px 10px black;
    margin-bottom: 5px;
}

#next {
    box-shadow: 1px 1px 3px black;
}

#prev {
    box-shadow: 1px 1px 3px black;
}

#contact_form {
    max-width: 100%;
    height: auto;
}

#send {
    box-shadow: 1px 1px 3px black;
}