body{
    margin: 0;
    padding: 0;
    background-color: rgb(32, 37, 48);
    font-size: 18px;
    font-family: Verdana, Tahoma, sans-serif;
    position: absolute;
    text-align: center;
    bottom: 0;
    background-color: rgb(140, 208, 207);
    width: 100%;
    left: 0;
    right: 0;
}


.bmi_box {
    text-align: center;
    background-color: rgb(81, 81, 81);
    padding: 10px;
    background-attachment: fixed;
    height: 100vh;
    background-image: url(BMI_Bilder/4.png); 
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
    overflow: auto;
    
    position: relative;
}

p {
    margin: 0;
    padding: 0;
}

h2 {
    padding: 10px;
    margin: 5px;
}

#sport {
    font-weight: bold;
}

#placeholder{
    color: rgba(140, 208, 207, 0);
}

.outputBox {
    position: absolute;
    text-align: center;
    bottom: 0;
    background-color: rgb(140, 208, 207);
    width: 100%;
    left: 0;
    right: 0;
    
}



@media screen and (max-width: 1100px) {
    .bmi_box {
        width: 100%;
        position: fixed;
        text-align: center;
        background-color: rgb(81, 81, 81);
        padding: 10px;
        margin-left: 15%;
        margin-right: 15%;
        margin: 0;
        background-attachment: fixed;
        height: 100vh; 
        background-image: url(BMI_Bilder/4.png);
        background-size: cover; 
        background-position: center;
        background-repeat: no-repeat;
    }
  }
  
  @media screen and (max-width: 768px) {
    .bmi_box {
        width: 100%;
        position: fixed;
        text-align: center;
        background-color: rgb(81, 81, 81);
        padding: 10px;
        margin-left: 0;
        margin-right:0;
        margin: 0;
        background-attachment: fixed;
        height: 100vh;
        background-image: url(BMI_Bilder/4.png); 
        background-size: cover; 
        background-position: center;
        background-repeat: no-repeat;
    }
  }