#extend_arrow{
    position: absolute;
    z-index: 100;
    left: -1px;
    margin-top: -19px;
    cursor: pointer;
    opacity: 0.5;
    -webkit-transform: rotate(180deg);
    -moz-transform: rotate(180deg);
    filter: progid:DXImageTransform.Microsoft.BasicImage(rotation=2);
    width: 46px;
}
#main_page a img{
    margin-left:10px;
}
#user_info a {
    color:#2A2A2B;
    text-decoration:none;
}
.save_button {
    background: #4f89b6;
}
.add_button {
    background: #00930a;
}
.update_button {
    background: #4f89b6;
}
.update_button:active,.save_button:active {
    background: #0063b0;
}
.red_button {
    background: #b82626;
}