/* 小火箭css margin-right: -620px; */
#gotop1 {
    width: 80px;
    position: fixed;
    bottom: 200px;
    cursor: pointer;
    z-index: 1050;
    right: 17px;
    display: none;
}
 
/* 小火箭悬停特效 */
 
#gotop1:hover {
    animation: rubberBand 1s;
}
 
@keyframes rubberBand {
  from {
    transform: scale3d(1, 1, 1);
  }
 
  30% {
    transform: scale3d(1.25, 0.75, 1);
  }
 
  40% {
    transform: scale3d(0.75, 1.25, 1);
  }
 
  50% {
    transform: scale3d(1.15, 0.85, 1);
  }
 
  65% {
    transform: scale3d(.95, 1.05, 1);
  }
 
  75% {
    transform: scale3d(1.05, .95, 1);
  }
 
  to {
    transform: scale3d(1, 1, 1);
  }
}