body{
    width: 100%;
    height: 100vh;
    background-color: black;
    color: teal;
}
header{
    width: 100%;
    height: 75px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    font-family: monospace;
    border-bottom: 1px solid grey;
}
footer{
    width: 100%;
    height: 75px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    border-top: 1px solid grey;
}
main{
    width: 100%;
    height: 400px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}
main .input-field{
    width: 350px;
    background-color: darkslategrey;
    height: 150px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border: 1px solid grey;
    border-radius: 12px;
    padding: 30px 5px;
}
main .display{
    width: 350px;
    height: 175px;
    border: 1px solid grey;
    border-radius: 12px;
    padding: 10px;
    margin-top: -175px;
}
input,select{
    width: 200px;
    height: 50px;
    border-radius: 5px;
    border: none;
}
button{
    width: 100px;
    border-radius: 12px;
    border: none;
}
a{
    text-decoration: none;
    color: rgb(188, 233, 240);
}
.hide{
    display: none;
    transform: scale(0.000001);
}
.view{
    display: block;
    transform: scale(1);
}
.normal{
    background: linear-gradient(34deg,green,teal,green);
    color: black;
}
.under{
    background: linear-gradient(34deg,grey,teal,grey);
    color: black;
}
.over{
    background: linear-gradient(34deg,orange,teal,orange);
    color: black;
}
.obese{
    background: linear-gradient(34deg,red,teal,red);
    color: black;
}
.null{
    background: linear-gradient(34deg,white,teal,white);
    color: black;
}