.left-rigth {
  animation: leftrigth linear 4s;
  animation-iteration-count: 1;
  transform-origin: 50% 50%;
  animation-fill-mode: forwards;
  /*when the spec is finished*/
  -webkit-animation: leftrigth linear 4s;
  -webkit-animation-iteration-count: 1;
  -webkit-transform-origin: 50% 50%;
  -webkit-animation-fill-mode: forwards;
  /*Chrome 16+, Safari 4+*/
  -moz-animation: leftrigth linear 4s;
  -moz-animation-iteration-count: 1;
  -moz-transform-origin: 50% 50%;
  -moz-animation-fill-mode: forwards;
  /*FF 5+*/
  -o-animation: leftrigth linear 4s;
  -o-animation-iteration-count: 1;
  -o-transform-origin: 50% 50%;
  -o-animation-fill-mode: forwards;
  /*Not implemented yet*/
  -ms-animation: leftrigth linear 4s;
  -ms-animation-iteration-count: 1;
  -ms-transform-origin: 50% 50%;
  -ms-animation-fill-mode: forwards;
  /*IE 10+*/
}

@keyframes leftrigth {
  0% {
    transform: translate(0px, 0px);
  }
  100% {
    transform: translate(300px, 0px);
  }
}

@-moz-keyframes leftrigth {
  0% {
    -moz-transform: translate(0px, 0px);
  }
  100% {
    -moz-transform: translate(300px, 0px);
  }
}

@-webkit-keyframes leftrigth {
  0% {
    -webkit-transform: translate(0px, 0px);
  }
  100% {
    -webkit-transform: translate(300px, 0px);
  }
}

@-o-keyframes leftrigth {
  0% {
    -o-transform: translate(0px, 0px);
  }
  100% {
    -o-transform: translate(300px, 0px);
  }
}

@-ms-keyframes leftrigth {
  0% {
    -ms-transform: translate(0px, 0px);
  }
  100% {
    -ms-transform: translate(300px, 0px);
  }
}

.scale-up-center {
  -webkit-animation: scale-up-center 30s linear both;
  animation: scale-up-center 30s linear both;
}

/* ----------------------------------------------
   * Generated by Animista on 2021-7-27 15:54:24
   * Licensed under FreeBSD License.
   * See http://animista.net/license for more info. 
   * w: http://animista.net, t: @cssanimista
   * ---------------------------------------------- */

/**
   * ----------------------------------------
   * animation scale-up-center
   * ----------------------------------------
   */

/* ----------------------------------------------
   * Generated by Animista on 2021-7-27 15:55:53
   * Licensed under FreeBSD License.
   * See http://animista.net/license for more info. 
   * w: http://animista.net, t: @cssanimista
   * ---------------------------------------------- */

/**
   * ----------------------------------------
   * animation scale-up-center
   * ----------------------------------------
   */

@-webkit-keyframes scale-up-center {
  0% {
    -webkit-transform: scale(0.8);
    transform: scale(0.8);
  }
  100% {
    -webkit-transform: scale(1.2);
    transform: scale(1.2);
  }
}

@keyframes scale-up-center {
  0% {
    -webkit-transform: scale(0.8);
    transform: scale(0.8);
  }
  100% {
    -webkit-transform: scale(1.2);
    transform: scale(1.2);
  }
}

.scale-down-center {
  -webkit-animation: scale-down-center 30s linear both;
  animation: scale-down-center 30s linear both;
}

/* ----------------------------------------------
   * Generated by Animista on 2021-7-27 15:58:44
   * Licensed under FreeBSD License.
   * See http://animista.net/license for more info. 
   * w: http://animista.net, t: @cssanimista
   * ---------------------------------------------- */

/**
   * ----------------------------------------
   * animation scale-down-center
   * ----------------------------------------
   */

@-webkit-keyframes scale-down-center {
  0% {
    -webkit-transform: scale(1);
    transform: scale(1);
  }
  100% {
    -webkit-transform: scale(0.5);
    transform: scale(0.5);
  }
}

@keyframes scale-down-center {
  0% {
    -webkit-transform: scale(1);
    transform: scale(1);
  }
  100% {
    -webkit-transform: scale(0.5);
    transform: scale(0.5);
  }
}