* {
    outline: 0;
    margin: 0;
    padding: 0;
}

html {
    width: 100%;
    height: 100%;
}

body{
    width: 100%;
    height: 100%;
    overflow:hidden;
    background-color: #81d4fa;
}

canvas{
    width: 100%;
    height: 100%;
}

.styled {
    border: 0;
    line-height: 1.5;
    padding: 0 10px;
    font-size: 1rem;
    font-family:fantasy;
    text-align: center;
    color: #fff;
    text-shadow: 1px 1px 1px #000;
    border-radius: 10px;
    background-color: #ffb200;
    background-image: linear-gradient(to top left,
                                      rgba(0, 0, 0, .2),
                                      rgba(0, 0, 0, .2) 30%,
                                      rgba(0, 0, 0, 0));
}

.styled:active {
    box-shadow: inset -2px -2px 3px rgba(255, 255, 255, .6),
                inset 2px 2px 3px rgba(0, 0, 0, .6);
}