.mk-big-title{
    width:100%;
    text-align: center;
    margin-bottom: 2em;
}
.mk-big-title>h4 {
    font-size: 50px;
    display: inline-block;
    position: relative;
}

.about-content{
    padding: 4em;
}
#particles{
    background-color: #000;
/*     overflow: hidden; */
    width: 100%;
    height: 100%;
}

#intro {
  position: absolute;
  /* left: 0; */          
  top: 0;
  /* padding: 0 20px; */
  /* padding: auto; */
  width: 100%;
  height: 100%;
  text-align: center;
  vertical-align: middle;
  display: flex;
  align-items: center;
  justify-content: center;
}

  .el-carousel__item h3 {
    color: #475669;
    font-size: 14px;
    opacity: 0.75;
    line-height: 150px;
    margin: 0;
  }

  .el-carousel__item:nth-child(2n) {
     background-color: #99a9bf;
  }
  
  .el-carousel__item:nth-child(2n+1) {
     background-color: #d3dce6;
  }

#scrollimg{
    width: 100%;
    height:100%:
}