Smiting That Fugly Iframe

/*-- PASTE THIS ANYWHERE IN YOUR CSS --*/
/*-----------by omni themes------------*/

iframe.tmblr-iframe--unified-controls{
    opacity: .5;
    width: 500px;
    position: fixed;
    right: 5px;
    top: 5px;
    left: auto;
    border-radius: 10px;
    transform: scale(0.7);
    transform-origin: top right;
    -webkit-transition: ease-in-out 1s;
    transition: ease-in-out 1s;
}

iframe.tmblr-iframe--unified-controls:hover{
    opacity: 1;
}