@media only screen and (max-width: 500px) {

    .total_header {
        display: none;
    }
    nav{
        margin-top: 0;
    }
    ul#right{
        display: none;
        text-align: center;
    }
    nav ul#left a {
        margin: 0px 3px;
        padding: 0px 5px;
    }
    nav ul#left {
        margin: 10px 1%;
    }

    .main{
        height: 47rem;
    }

    .main .logo{
        width: 80px;
        margin: 10px 39%;
    }

    .contactus .form button{
        margin: 0 0;
        padding: 0 0;
    }

    .main .box{
        margin-top: 10px;
        height: 650px;
    }

    .box .avatar{
        width: 37vw;
    margin: 10px 26%;
    align-items: center;
    }

    .main .box .welcome{
    text-align: center;
    margin: 130px 0;
    }

    .whyus{
        padding: 25px 0;
    }

    footer{
        margin: -60px 0px;
    }

    footer .footlogo .footleft img{
        width: 70px;
    }

    .contactus{
        display: flex;
        flex-flow: wrap;
    }

    .infobox h1{
        margin-left: 70%;
    }

    .infobox h1{
        text-align: center;
    }

    .contactus .info{
    margin: 0 50%;
    width: 100%;
    }

    .contactus .form{
    margin: 0 5%;
    margin-left: 9vw;
    }

    .contactus .form button{
    margin: 0 37%;
    padding: 10px 15px;
    border-radius: 33px;
    }

    select{
        width: 95%;
        margin: 5px 0;
    }

    input:nth-of-type(1) {
        height: 25px;
        width: 25px;
        margin-left: 80%;
      }
      input:nth-of-type(7) {
        height: 25px;
        width: 25px;
        margin-right: 80%;
    
      }

      .main .box .welcome h1{
        font-size: revert;
      }

      /* footer */
      footer .foot{
        display: block;
        height: 27vw;
        padding: 10px 5px;
    }
    
    footer .foot .footleft{
        width: 100px;
        float: left;
        margin: auto 0px;
    }
    
    footer .foot .footleft img{
        width: 100px;
    }
    
    footer .foot .footright{
        width: 140px;
        float: right;
    
    }
    
    footer .foot .copyright{
        /* width: 400px; */
        margin-left: 17%;
        float: right;
        width: 99%;
        text-align: center;
    
    }
    
    footer .foot .footright img{
        width: 25px;
        margin-top: 10px;
    }
  }