.ob{
    height: 100vh;
    position: relative;
}
.block{
    position: absolute;
    margin: 0;
    padding: 0;
    top: 0;
    width: 100%;
  height: 100%;
    overflow: hidden;
    /* background-color: #0A131E; */
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: -1;

}

#animate-bg {
    position: absolute;
    width: 100%;
    height: 100%;
    
}

.square {
    position: absolute;
    width: 28px;
    height: 28px;
    background-color: #292b28;
    opacity: 0.3;
    /* border: 1px solid red;  */
    border-radius: 1px;
}