body,

*{padding: 0 ;margin: 0;}



#mask {
    position: fixed;

    top: 0;

    left: 0;

    right: 0;

    bottom: 0;

    opacity: 1;

    background: url("../images/loading.gif") no-repeat center center;

    background-color: #000;

    z-index: 9999;

}



#contentArea {

    height: 100%;

    transition: all 0.36s ease;

    position: relative

}
@media (max-width:640px){
  #phone_history{height:400px;overflow-y:auto;}
}