.noselect {
  -webkit-touch-callout: none; /* iOS Safari */
    -webkit-user-select: none; /* Safari */
    /* -khtml-user-select: none;  Konqueror HTML */
       -moz-user-select: none; /* Firefox */
        -ms-user-select: none;  /*Internet Explorer/Edge */
            user-select: none;  /*Non-prefixed version, currently
                                  supported by Chrome and Opera */
}

.dev {
     width: 100px;
    height: 100px;
    background: red;
    position: relative;
    -webkit-animation: mymove 5s infinite; /* Safari 4.0 - 8.0 */
    animation: mymove 5s infinite;
}
li{
    color:blue;
}




/* Safari 4.0 - 8.0 */
@-webkit-keyframes mymove {
    0%   {top: 0px;}
    25%  {top: 200px;}
    75%  {top: 50px}
    100% {top: 100px;}
}

/* Standard syntax */
@keyframes mymove {
    0%   {top: 0px;}
    25%  {top: 200px;}
    75%  {top: 50px}
    100% {top: 100px;}
}
/* Standard syntax */
@-o-keyframes mymove {
    0%   {top: 0px;}
    25%  {top: 200px;}
    75%  {top: 50px}
    100% {top: 100px;}
}