main.css

body{
    text-align: center;
    font-family: 'Harmattan', sans-serif;
}

h1 {
    font-family: 'Bungee Shade', cursive;
    font-size: 70px;
    margin: 0.3em;
}

#pixelForm{
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

input[type=number] {
    border-radius: 6px;
}

form{
    width: 40%;
    display: flex;
    justify-content: space-evenly;
    
    padding: 0px 0px 25px 0px;
}

label{
    font-size: 13pt;
}

input[type=number] {
    width: 6em;
    padding: 7px 0px 7px 7px;
}

input[type=submit] {
    font-weight: bold;
    width: 5em;
    border-radius: 5px;
    border: 1px solid black;
}


table,
tr,
td {
    border: 1px solid black;
}

table {
    border-collapse: collapse;
    margin: 0 auto;
    box-shadow: 0 0 10px;
}

tr {
    height: 20px;
    border: 1px solid #000;
    background-color: #fff;
}

td {
    width: 20px;
}

.dark-mode {
    background-color: black;
    color: white;
    transition: .9s ease-in-out;
}

.material-icons{
    cursor: pointer;
    box-shadow: 0 0 5px;
    border-radius: 5px;
}

@media screen and (min-width: 500px) {
    #pixelForm,
    input,
    label{
        font-size: 16pt;
    }

    form{
        width:70%;
    }
}

@media screen and (min-width: 590px) {
    h1{
        font-size: 35pt;
    }

    #pixelForm,
    input,
    label{
        font-size: 12pt;
    }

    form{
        width: 40%;
    }
}