#content10 .close{
    position: absolute;
    top: 5px;
    right: 5px;
    width: 55px;
    height: 55px;
    cursor: pointer;
    border: 3px solid #e78241;
    border-radius: 50%;
}

#content10 .close:before,
#content10 .close:after {
    content: "";
    position: absolute;
    top: 25px;
    left: 14px;
    width: 26px;
    height: 3px;
    background: #e78241;
}

#content10 .close:before {
    webkit-transform: rotate(45deg);
    transform: rotate(45deg);
}

#content10 .close:after {
    webkit-transform: rotate(-45deg);
    transform: rotate(-45deg);
}