#device_control_bottom {
    position: absolute;;
    height: 150px;
    width: 100%;
    background: linear-gradient(#ffffffdd 0%, #fff 60%);
    bottom: 0;
    border-radius: 20px 20px 0px 0;
    box-shadow: 0 0 10px #00000011;
   
}

#device_control_bottom .control {
    width: 100%;
}
#device_control_bottom .control td{
    text-align: center;
    padding-top:35px;
}

#device_control_bottom .control img {
    width: auto;
    height: 30px;
}

#device_control_bottom .control a {
    text-decoration: none;
    color: #72839A;
    font-size: 14px;
    line-height: 30px;
}
#device_control_bottom .control td.device_line{
    background: url(../images/device/device_space_line.png) no-repeat 0 35px ;
    background-size:auto 35px;
}