html {
    background-color: rgb(53, 94, 59);
}
body {
    background-color: rgb(255, 253, 208);
    color: darkslategray;
    margin-left: auto;
    margin-right: auto;
    width: 95%;
}
header {
    background-color: lightgreen;
    text-align: center;
    font-weight: bold;
    color: black;
}
footer {
    background-color: lightgreen;
    text-align: center;
    color: gray;
}
h2 {
    text-align: center;
    text-shadow: gray 4px 5px 6px;
}
nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
}
nav li {
    display: block;
    width: 33.33%;
    float: left;
}
nav a {
    display: block;
    background-color: lightgreen;
    line-height: 2.8em;
    text-align: center;
    text-decoration: none;
}
nav a:hover {
    background-color: darkgreen;
    color: white;
    text-decoration: underline;
    transition: background-color 0.5s ease-in, color 0.5s ease-in, font-size 0.5s ease-in, text-decoration 0.5s ease-in;
}
main {
    padding: 20px;
    margin-top: 70px;
}
main > img {
    width: 25%;
    padding: 15px;
    float: right;
}
div.gallery {
    display: flex;
    flex-wrap: wrap;
}
div.imggallery {
    flex: 23%;
    max-width: 30%;
    padding: 0 4px;
}
div.imggallery img {
    width: 100%;
}
input#zip:focus:invalid, input#phonenumber:focus:invalid {
    background-color: rgb(255, 232, 233);
}
form {
    width: 90%;
}
fieldset {
    width: 90%;
    padding: 5px;
    margin-right: 10px;
    margin-bottom: 10px;
}
input, select {
    display: block;
    position: relative;
    left: 30%;
    padding: 5px;
    height: auto;
    width: 60%
}
label {
    display: block;
    position: absolute;
    padding: 5px;
    width: 30%;
}
input[type="submit"], input[type="reset"] {
    display: block;
    float: left;
    left: 0;
    text-align: center;
    width: 40%;
    padding: 10px;
    margin-left: 5%;
    margin-right: 5%;
    margin-bottom: 10px;
}
input[type="submit"]:hover {
    background-color: darkgreen;
    color: white;
}
input[type="reset"]:hover {
    background-color: darkred;
    color: white;
}
textarea {
    padding: 10px;
    margin: 10px;
}
@media only screen and (max-width: 768px) {
    body {
        width: 100%;
        margin: 0;
    }
    nav li {
        float: none;
        font-size: x-large;
        width: 100%;
    }
    nav a {
        border-bottom: 1px solid black
    }
    main > img {
        width: 100%;
        float: none;
    }
    div.imggallery {
        flex: 100%;
        max-width: 100%;
    }
    form {
        width: 100%;
        font-size: large;
    }
    fieldset {
        width: 100%;
        padding: 5px;
        margin: 0;
    }
    input, select {
        position: inherit;
        display: block;
        height: 50px;
        padding: 5px;
        width: 90%;
    }
    label {
        position: inherit;
        display: block;
        height: 50px;
        width: 90%;
    }
    input[type="submit"], input[type="reset"] {
        float: none;
        width: 90%;
        margin: 10px;
        font-size: 1.2em;
    }
}