#forkongithub a{
    background:#5856D6;
    color:#fff;
    text-decoration:none;
    font-family:Ubuntu,sans-serif;
    text-align:center;
    font-weight:bold;
    padding:5px 40px;
    /*font-size:1rem;*/
    line-height:2rem;
    position:relative;
    transition:0.5s;
}
#forkongithub a:hover{
    background:#ff8800;
    color:#fff;
}
#forkongithub a::before,#forkongithub a::after{
    content:"";
    width:100%;
    display:block;
    position:absolute;
    top:1px;
    left:0;
    height:1px;
    background:transparent;
    border-top: 1px dashed #fff;
}
#forkongithub a::after{
    bottom:1px;
    top:auto;
}
@media screen and (min-width:321px) {
    #forkongithub {
        position:absolute;
        display:block;
        top:0;
        right:0;
        width:150px;
        overflow:hidden;
        height:150px;
        z-index:970;
    }
    #forkongithub a{
        width:200px;
        position:absolute;
        top:20px;
        right:-60px;
        transform:rotate(45deg);
        -webkit-transform:rotate(45deg);
        -ms-transform:rotate(45deg);
        -moz-transform:rotate(45deg);
        -o-transform:rotate(45deg);
        box-shadow:4px 4px 10px rgba(0,0,0,0.8);
    }
}

@media (max-width: 320px) {
    #forkongithub {
        display: none;
    }
}