* {
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
}

.clear {
    clear: both;
}

h1 {
    text-align: center;
    padding: 50px 10px;
    color: white;
    background-color: rgb(192, 50, 50);
}

.instructions {
    max-width: 1280px;
    margin: 0 auto;
    padding: 20px;
    margin-bottom: 50px;
}

.colors>input {
    width: 50%;
    padding: 5px;
    border: none;
    font-size: 18px;
    margin: 0;
    float: left;
    color: white;
}

@media screen and (min-width: 720px) {
    .colors>input {
        padding: 20px;
        width: calc(100% / 3);
    }
}

@media screen and (min-width: 1024px) {
    .colors>input {
        width: 20%;
    }
}

.wrapper {
    max-width: 1280px;
    margin: 0 auto;
    padding: 20px;
    color: white;
    text-align: center;
    font-size: 35px;
}

header {
    background-color: rgb(223, 114, 75);
    height: 300px;
    padding: 120px;
    width: 100%;
}

nav {
    background-color: rgb(47, 108, 136);
    height: 80px;
    width: 100%;
    padding: 16px;
}

main {
    background-color: rgb(192, 70, 94);
    height: 700px;
    width: 75%;
    padding-top: 320px;
    float: left;
}

aside {
    background-color: rgb(53, 184, 155);
    height: 700px;
    width: 25%;
    padding-top: 320px;
    float: right;
}

footer {
    background-color: rgb(39, 39, 39);
    width: 100%;
    height: 200px;
    padding: 80px;
}

@media only screen and (max-width: 540px) {
    main, aside {
        width: 100%;
        float: none;
    }
}