@media (min-width: 768px){
    #sendalert-left {
      position: absolute;
      top: 60px;
      bottom: 0;
      left: 0;
      width: 30%;
      overflow-y: scroll;
    }
  
    #sendalert-right {
      position: absolute;
      top: 60px;
      bottom: 0;
      right: 0;
      overflow-y: scroll;
      width: 70%;
    }
  }
  
  #sendalert-left {
    background-color: #DADADA;
    height:90%;
  }
  
  #sendalert-right {
    height:90%;
  }