h1 {
    font-size: 70px;
    margin-bottom: 0px;
}
hr {
    margin-top: 70px;
    margin-bottom: 70px;
}

.app-img{
    height: auto;
    width: 300px;
    padding-left: 31%;
    margin-bottom: 5%;
}
.app-text {
    width: 60%;
    border-top: solid 3px;
    border-color: #f0f0f0;
}
.app-text p {
    line-height: 1.5;
}
.tr-height {
    height: 250px;
}

.app-popup-img{
    height: auto;
    width: 300px;
}
.popimg-block {
    width: 350px;
}
.app-popup-text {
   line-height: 1.5;
   background-color: #90cfb28e;
   padding-left: 3%;
   padding-right: 3%;
   border-radius: 20px;
   padding-top: -3%;
   line-height: 50px;
}

.sensor-box {
    background-color: #f0f0f0;
    padding-left: 10%;
    padding-right: 10%;
    padding-top: 1px;
    padding-bottom: 5px;
    margin-top: 8%;
}

.sensor-header {
    text-align: right;
    color: #82646B;
}
.sensor-text-block {
    width: 60%;
}
.sensor-text {
    text-align: right;
    margin-bottom: 8%;
}

.sensor-img{
    height: auto;
    width: 400px;
    margin-top: -6%;
}

.donateheader {
    padding-bottom: 20px;
    font-size: 60px;
    margin-top: 10%;
}

.donate-text {
    line-height: 1.5;
}

.donateline {
    background-color: #f0f0f0;
    width: 62%;
    margin-top: -1.5%;
    height: 3px;
    border: none;
    margin-left: 0;
}

.app-donate-img1{
    height: auto;
    width: 230px;
    padding-left: 20px;
}
.app-donate-img2{
    height: auto;
    width: 230px;
    padding-left: 20px;
}

.donatetable {
    margin-top: -3%;
    margin-bottom: 5%;
}

.headerimg {
    background-color: #ffffff;
    background-image: url(https://github.com/superfred009/final-project/blob/main/img/headerBIG2.jpg?raw=true);
    height: 200px;
    width: 100%;
    overflow: hidden;
    margin-bottom: 40px;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    background-attachment: fixed;
  }

  /*.headerimage {
    width: 100%;
    height: auto;
    position: relative;
    background-attachment: fixed;
  }*/


  @media screen and (max-width: 900px) {
    .apptable, .apptable td,  .apptable tr {
        display: block;
    }

    .popuptable, .popuptable td,  .popuptable tr {
        display: block;
        text-align: center;
    }

    .sensortable, .sensortable td, .sensortable tr {
        display: block;
        text-align: center;
    }

    .donatetable, .donatetable td, .donatetable tr {
        display: block;
        text-align: center;
    }

    .apptitle {
        text-align: center;
        margin-bottom: 10px;
    }

    .app-popup-text {
        line-height: 1.5;
        background-color: #90cfb28e;
        padding-left: 3%;
        padding-right: 3%;
        border-radius: 20px;
        padding-top: -3%;
        line-height: 50px;
        margin-bottom: 30%;
        margin-left: 0;
        margin-right: 0;
     }

     .app-popup-img{
        height: auto;
        width: 300px;
        margin-left: 25%;
    }

    .app-img{
        height: auto;
        width: 300px;
        margin-bottom: 5%;
        padding-left: 0;
        float: right;
    }

    .app-text {
        width: 60%;
        border-top: none;
        text-align: center;
        float: left;
    }

    .donateheader {
        padding-bottom: 20px;
        font-size: 60px;
        text-align: center;
    }
    
    .donate-text {
        line-height: 1.5;
        text-align: center;
        margin-top: -5%;
    }

    .app-donate-img1{
        height: auto;
        width: 230px;
        padding-left: 15%;
        float: left;
    }
    .app-donate-img2{
        height: auto;
        width: 230px;
        padding-right: 15%;
        padding-left: 0;
        float: right;
    }

    .donateline {
        background-color: #f0f0f0;
        width: 90%;
        margin-top: -1.5%;
        height: 3px;
        border: none;
        margin-left: auto;
        margin-right: auto;
    }

    .sensor-header {
        text-align: right;
        color: #82646B;
        margin-bottom: 10%;
        margin-right: 5%;
        text-align: center;
    }

    .sensor-text {
        text-align: center;
        width: 160%;
    }

    .sensor-box {
        background-color: #f0f0f0;
        padding-left: 10%;
        padding-right: 10%;
        padding-top: 1px;
        padding-bottom: 5px;
        margin-top: 250px;
        height: 1000px;
    }

    .headerimg {
        background-color: #ffffff;
        background-image: url(https://github.com/superfred009/final-project/blob/main/img/headerBIG2.jpg?raw=true);
        height: 100px;
        width: 100%;
        overflow: hidden;
        margin-bottom: 0px;
        background-position: center;
        background-repeat: no-repeat;
        background-size: cover;
        background-attachment: inherit;
    }
}

@media screen and (max-width: 800px) {
    .app-img {
        width: 250px;
    }
    .headerimg {
        background-color: #ffffff;
        background-image: url(https://github.com/superfred009/final-project/blob/main/img/headerBIG2.jpg?raw=true);
        height: 100px;
        width: 100%;
        overflow: hidden;
        margin-bottom: 0px;
        background-position: center;
        background-repeat: no-repeat;
        background-size: cover;
        background-attachment: inherit;
    }
}

@media screen and (max-width: 500px) {
    .apptable, .apptable td,  .apptable tr {
        display: block;
    }

    .popuptable, .popuptable td,  .popuptable tr {
        display: block;
        text-align: center;
    }

    .sensortable, .sensortable td, .sensortable tr {
        display: block;
        text-align: center;
    }

    .donatetable, .donatetable td, .donatetable tr {
        display: block;
        text-align: center;
    }

    .apptitle {
        text-align: center;
        margin-bottom: 10px;
    }

    .app-popup-text {
        line-height: 1.5;
        background-color: #90cfb28e;
        padding-left: 3%;
        padding-right: 3%;
        border-radius: 20px;
        padding-top: -3%;
        margin-bottom: 30%;
        margin-left: 0;
        margin-right: 0;
     }
     .popimg-block {
        margin: 0;
        width: 100%;
    }

     .app-popup-img{
        height: auto;
        width: 250px;
        margin: 0;
    }

    .app-img{
        height: auto;
        width: 70%;
        padding-right: 15%;
        margin-bottom: 5%;
    }

    .app-text {
        width: 100%;
        border-top: none;
        text-align: center;
        float: left;
    }

    .donateheader {
        padding-bottom: 20px;
        font-size: 60px;
        text-align: center;
    }
    
    .donate-text {
        line-height: 1.5;
        text-align: center;
        margin-top: -5%;
    }

    .app-donate-img1{
        height: auto;
        width: 150px;
        padding-left: 5%;
        float: left;
    }
    .app-donate-img2{
        height: auto;
        width: 150px;
        padding-right: 5%;
        padding-left: 0;
        float: right;
    }

    .donateline {
        background-color: #f0f0f0;
        width: 90%;
        margin-top: -1.5%;
        height: 3px;
        border: none;
        margin-left: auto;
        margin-right: auto;
    }

    .sensor-img {
        width: 300px;
    }

    .sensor-header {
        text-align: right;
        color: #82646B;
        margin-bottom: 10%;
        text-align: center;
        margin-right: 0;
    }

    .sensor-text {
        text-align: center;
        width: 100%;
    }
    .sensor-text-block {
        width: 100%;
        margin-bottom: 1px;
    }

    .sensor-box {
        background-color: #f0f0f0;
        padding-left: 10%;
        padding-right: 10%;
        margin-top: 250px;
        margin-bottom: 2px;
        height: 1350px;
    }
    .headerimg {
        background-color: #ffffff;
        background-image: url(https://github.com/superfred009/final-project/blob/main/img/headerBIG2.jpg?raw=true);
        height: 100px;
        width: 100%;
        overflow: hidden;
        margin-bottom: 0px;
        background-position: center;
        background-repeat: no-repeat;
        background-size: cover;
        background-attachment: inherit;
    }
}