body {
    background-color: rgb(4, 27, 134);
    font-family: "Open Sans", sans-serif;
    font-size: 15px;
}

img,
iframe {
    max-width: 100%;
    max-height: 100%;
}

h1,
h3 {
    color: rgb(211, 211, 211);
    text-align: center;
}

input,
button {
    display: block;
    margin: auto;
    margin-bottom: 1rem;
    text-align: center;
    border-radius: 50px;
    border: none;
}

/* desktop and laptops*/
@media (max-width: 3000px) {
    input,
    button {
        padding: 15px;
        font-size: 1em;
    }
    iframe {
        width: 450px;
    }
    img {
        max-height: 450px;
    }
}

/* ipad pro,  */
@media (min-height: 1300px) {
    input,
    button {
        padding: 20px;
        font-size: 2.5em;
    }
    iframe {
        width: 475px;
        height: 325px;
    }
    h1 {
        font-size: 3.25em;
    }
    h3 {
        font-size: 2em;
    }
}

/* ipad mini/air + kindles */
@media (max-width: 850px) {
    input,
    button {
        padding: 17.5px;
        font-size: 2em;
    }
    h1 {
        font-size: 3em;
    }
    h3 {
        font-size: 1.75em;
    }
    iframe {
        width: 450px;
        height: 300px;
    }
}

/* Samsungs + newer iphones */
@media (max-width: 450px) {
    input,
    button {
        padding: 15px;
        font-size: 1em;
    }
    h1 {
        font-size: 27.5px;
        margin-bottom: 1rem;
    }
    iframe {
        width: 450px;
    }
    h3 {
        font-size: 1em;
    }
}
/* iphone SE + Pixel 3/4/5*/
@media (max-width: 400px) {
    input,
    button {
        padding: 10px;
        font-size: 1em;
    }
    iframe {
        width: 450px;
    }
    h3 {
        font-size: 1em;
    }
}

@media all {
    button {
        padding: 12px 25px; /* top and bottom, right and left */
    }
}