index.css

img.highlight_on_hover:hover {
    opacity: 0.75;
}

.btn{
    white-space:normal !important;
    word-wrap: break-word;
}

.btn-4minitz, .btn-4minitz:active, .btn-4minitz:visited {
    background-color: teal !important;
    color: white;
}

.btn-4minitz:hover {
    background-color: #004b4b !important;
    color: white !important;
}

ul.featurelist, ul.featurelist2 {
    font-size: 14pt;
    list-style: none;
    margin-left: 0;
    padding-left: 1.2em;
    text-indent: -1.2em;
}

ul.featurelist li:before {
    content: "✔";
    display: block;
    float: left;
    width: 1.2em;
}
ul.featurelist2 li:before {
    content: "-";
    display: block;
    float: left;
    width: 1.2em;
}


.github-corner:hover .octo-arm {
    animation: octocat-wave 560ms ease-in-out
}

@keyframes octocat-wave {
    0%, 100% {
        transform: rotate(0)
    }
    20%, 60% {
        transform: rotate(-25deg)
    }
    40%, 80% {
        transform: rotate(10deg)
    }
}

@media (max-width: 500px) {
    .github-corner:hover .octo-arm {
        animation: none
    }

    .github-corner .octo-arm {
        animation: octocat-wave 560ms ease-in-out
    }
}