@media screen and (max-height: 400px) {

}
@media screen and (max-width: 768px) {
    .content {
        text-align: left;
        margin-left: 20px;
    }

    #usage, #example, #installation {
        margin: 30px 0;
    }
    .main{
        top: 1%;
    }
    .code{
        word-wrap: break-word;
        white-space: -moz-pre-wrap;
        white-space: pre-wrap;
        font-size: 50%;
        margin-left: -50px;
    }
    .download, .github{
        display: none;
    }
}