html, body {
    margin: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    background-color: #333;
    color: #5f5;
    font-family: 'Trebuchet MS', sans-serif;
}

canvas {
    display: block;
    width: 100%;
    height: 100%;
}

form {
    width: 100%;
    height: 100%;
    margin-left: 10px;
}

h1 {
    padding-left: 20px;
}

fieldset {
    width: 90%;
    padding-bottom: 20px;
}

.container {
    display: flex;
    width: 100vw;
    height: 100vh;
}

.left, .right {
    width: 50%;
    height: 100%;
}

.slidecontainer {
    width: 100%;
    margin-left: 20px;
}

.slider {
    -webkit-appearance: none;
    appearance: none;
    width: 50%;
    height: 15px;
    border-radius: 5px;
    background: #d3d3d3;
    outline: none;
    opacity: 0.7;
    -webkit-transition: .2s;
    transition: opacity .2s;
}

.slider:hover {
    opacity: 1;
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 25px;
    height: 25px;
    border-radius: 50%;
    background: #04AA6D;
    cursor: pointer;
}

.slider::-moz-range-thumb {
    width: 25px;
    height: 25px;
    border-radius: 50%;
    background: #04AA6D;
    cursor: pointer;
}

.breakspace {
    visibility: hidden;
    display: none;
}

    .myButton {
        width: 50%;
        min-height: 56px;
        border: #0d0;
        border-radius: 10px;
        font-size: 18px;
        font-weight: 600;
        background: #222;
        color: #1c1;
        margin-top: 15px;
        margin-left: 25px;
    }

@media (orientation: portrait) {
    .container {
        flex-direction: column;
    }

    .left, .right {
        width: 100%;
        height: 50%;
        overflow-y: auto;
        overflow-x: hidden;
    }
    form {
      width: 100%;
      height: 100%;
    }

    .slidecontainer {
        width: 100%;
        padding-top: 20px;
        padding-bottom: 20px;
        margin-left: 10px
    }
    .buttoncontainer {
        width: 100%;
        padding-top: 20px;
        padding-bottom: 20px;
        margin-left: 0px
        text-align: center;
    }

    .slider {
        -webkit-appearance: none;
        appearance: none;
        width: 75%;
        height: 1px;
        border-radius: 5px;
        background: #d3d3d3;
        outline: none;
        opacity: 0.7;
        -webkit-transition: .2s;
        transition: opacity .2s;
        //padding: 15px;
    }

    .slider:hover {
        opacity: 1;
    }

    .slider::-webkit-slider-thumb {
        -webkit-appearance: none;
        appearance: none;
        width: 15px;
        height: 15px;
        border-radius: 50%;
        background: #04AA6D;
        cursor: pointer;
    }

    .slider::-moz-range-thumb {
        width: 15px;
        height: 15px;
        border-radius: 50%;
        background: #04AA6D;
        cursor: pointer;
    }

    h1 {
        //font-size: 5em;
    }

    label {
        //font-size: 3em;
    }

    .val {
        //font-size: 4em;
    }

    .breakspace {
        height: 50px;
        padding: 20px;
        display: block;
        visibility: visible;
    }

    .myButton {
        width: 90%;
        min-height: 56px;
        border: #0d0;
        border-radius: 10px;
        font-size: 18px;
        font-weight: 600;
        background: #222;
        color: #1c1;
        margin: 10px;
    }
}