@import url(http://fonts.googleapis.com/css?family=Roboto:300);

html, body {
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Roboto', sans-serif;
    font-weight: 300;
    color: #FFF;
    background-color: #333;
}

#app {
    position: relative;
    width: 100%;
    height: 100%;
}

main {
    display: flex;
    width: 100%;
    height: 100%;
    flex-direction: column;
    justify-content: center;
}

h1, h2 {
    text-align: center;
    font-weight: 300;
    text-transform: uppercase;
}

h1 {
    font-size: 48px;
    margin: 0.25em;
}

h2 {
    font-size: 32px;
    margin-bottom: 2em;
}

.controller-list {
    display: flex;
    margin: 0;
    padding: 0;
    list-style: none;
    justify-content: space-around;
}

.controller {
    width: 200px;
    height: 200px;
    cursor: pointer;

    &.selected {
        .icon {
            animation: selected 3s 0s infinite linear;
        }
    }

    &:hover {
        .icon {
            fill: #0F0;
        }
    }

    .icon {
        width: 100%;
        height: 100%;
        fill: #FFF;
        transition: fill 1s linear;
    }
}

@keyframes selected {
    0%   {fill: #FF0000;}
    10%  {fill: #FF8000;}
    20%  {fill: #FFFF00;}
    30%  {fill: #80FF00;}
    40%  {fill: #00FF00;}
    50%  {fill: #00FF80;}
    60%  {fill: #00FFFF;}
    70%  {fill: #0080FF;}
    80%  {fill: #0000FF;}
    90%  {fill: #8000FF;}
    100% {fill: #FF0080;}
}