html {
    background: whitesmoke;
}

body {
    background: #f1f1f1;
    margin: 0 auto;
    font-family: roboto;
}

#nav_button {
    display: none;
}

header {
    background: #96e2ff;
    position: relative;
    width: 100%;
    height: 160px;
    z-index: 1;
}

header img {
    width: 800px;
    margin: auto;
    display: block;
}

h1 {
    margin: 0 auto;
}

nav {
    max-width: 100%;
    padding: 15px;
    text-align: center;
    background-color: white;
}

nav a {
    background: white;
    color: black;
    text-decoration: none;
    padding: 10px 15px;
    margin: 5px 0;
    font-family: roboto;
    font-size: 25px;
}

nav a.active {
    color: rgb(61, 152, 255);
    font-weight: bold;
}

nav a:hover {
    color: rgb(61, 152, 255);
}

main {
    background: white;
    padding: 10px 20px;
    max-width: 1200px;
    margin: auto;
    margin-top: 100px;
}

main a {
    color: black;
    text-decoration: none;
}

main a:hover {
    text-decoration: underline;
}

.right {
    float: right;
    max-width: 350px;
}

.left {
    float: left;
    max-width: 350px;
    padding: 5px;
}
main h1{
    text-align: center;
}
main h2 {
    color: rgb(61, 152, 255);
}

img {
    max-width: 100%;
}

footer {
    background: white;
    max-width: 1235px;
    margin: 0 auto;
    padding: 2px;

}
footer.narrow {
    max-width: 1040px;
}

main.narrow {
    max-width: 1000px;
}

textarea {
    width: 100%;
    resize: vertical;
    min-height: 150px;
}

.column-container {
    display: flex;
}

.column {
    display: flex;
    flex-direction: column;
    padding: 0 20px;
    flex: 1;
}

.column.wide {
    flex: 2;
}

.column>a {
    text-decoration: none;
    color: black;
}

.column>a:hover h2 {
    text-decoration: underline;
}

.column>a:hover img {
    transform: scale(1.01);
}

.column article {
    display: flex;
    flex-direction: column;
}

.column article img {
    transition: transform 200ms;
    width: 100%;
    margin: 0;
}

@media screen and (max-width:800px) {
    #nav_button {
        display: block;
        width: 60px;
        height: 60px;
    }
    #nav_button img {
        width: 100%;
        height: 100%;
        margin-top: 30%;
    }
    #nav_button:hover {
        cursor: pointer;
    }
    nav {
        transition: margin-top 0.5s;
        position: relative;
        margin-top: -320px;
    }
    nav.open {
        transition: margin-top 1s;
        margin-top: 0px;
        padding: 100px;
    }
    nav a {
        display: block;
        margin: 2px;
        font-size: 40px;
    }
    header {
        height: 100px;
        display: flex;
    }
    header img {
        width: 500px;

    }
    main {
        margin-top: 10px;
    }
    main img {
        width: 100%;
    }
}

@media screen and (max-width:560px) {
    #nav_button {
        display: block;
        width: 60px;
        height: 60px;
    }
    #nav_button:hover {
        cursor: pointer;
    }
    nav {
        transition: margin-top 0.5s;
        position: relative;
        margin-top: -320px;
    }
    nav.open {
        margin-top: 0;
    }
    nav a {
        display: block;
        margin: 2px;
        font-size: 40px;
    }
    header img {
        width: 400px;
    }
    h1 {
        font-size: 28px;
    }
}
@media screen and (max-width:460px) {
    #nav_button {
        display: block;
        width: 60px;
        height: 60px;
    }
    #nav_button:hover {
        cursor: pointer;
    }
    nav {
        transition: margin-top 0.5s;
        position: relative;
        margin-top: -320px;
        padding: 0px;
    }
    nav.open {
        margin-top: 0;
    }
    nav a {
        display: block;
        margin: 2px;
        font-size: 40px;
    }
    header img {
        width: 300px;
    }
    h1 {
        font-size: 28px;
    }
}
@media screen and (max-width:300px) {
    #nav_button {
        display: block;
        width: 50px;
        height: 50px;
    }
    #nav_button:hover {
        cursor: pointer;
    }
    nav {
        transition: margin-top 0.5s;
        position: relative;
        margin-top: -320px;
        padding: 0px;
    }
    nav.open {
        margin-top: 0;
    }
    nav a {
        display: block;
        margin: 2px;
        font-size: 40px;
    }
    header img {
        width: 200px;
    }
    h1 {
        font-size: 28px;
    }
}

@media screen and (max-width:768px) {
    .column-container {
        flex-direction: column;
    }
}