#toTop {
    position: fixed;
    -webkit-border-radius: 3px;
    -moz-border-radius: 3px;
    border-radius: 3px;
    background: #999999;
    opacity: 0; 
    filter: alpha(opacity=0);
    width: 55px !important;
    height: 55px !important;
    bottom: 5px;
    right: 5px;
    cursor: pointer;
    text-align: center;
    display: none;
    z-index: 9999;
    transition: opacity 0.3s ease, background-color 0.3s ease;
    
    /* Ez garantálja, hogy tökéletes négyzet maradjon: */
    box-sizing: border-box !important;
    padding: 0 !important;
}

#toTop:hover {
    opacity: 1 !important; 
    filter: alpha(opacity=100);
    background: #777777; /* Picit sötétebb rámutatáskor */
}

/* A golyóálló CSS nyíl, amit egyetlen smink sem tud elrontani */
#toTop .chevron {
    display: inline-block;
    width: 20px;
    height: 20px;
    border-top: 4px solid white;
    border-left: 4px solid white;
    transform: rotate(45deg);
    margin-top: 24px; 
}