BMI.css

/* Sticky navigation at the top */
nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: #f4f4f4;
  padding: 10px;
  box-shadow: 0px 4px 8px rgba(0, 0, 0, 0.1);
  text-align: left;
  z-index: 100;
}

nav a {
  color: #000;
  text-decoration: none;
  margin-right: 20px;
  font-size: 16px;
}

nav a:hover {
  text-decoration: underline;
}

/* Add margin-top to the container to avoid content overlapping with the fixed nav */
.container {
  margin-top: 60px; /* Adjust this value depending on your nav height */
}


.container {
    width: 575px;
    height: 525px;
  
    background-color: #797978;
    padding-left: 30px;
  }
  #height,
  #weight {
    width: 150px;
    height: 25px;
    margin-top: 30px;
  }
  
  #weight-guide {
    margin-left: 75px;
    margin-top: 25px;
  }
  
  #results {
    font-size: 35px;
    margin-left: 90px;
    margin-top: 20px;
    color: rgb(241, 241, 241);
  }
  
  button {
    width: 150px;
    height: 35px;
    margin-left: 90px;
    margin-top: 25px;
    background-color: #fff;
    padding: 1px 30px;
    border-radius: 8px;
    color: #212121;
    text-decoration: none;
    border: 2px solid #212121;
  
    font-size: 25px;
  }
  
  h1 {
    padding-left: 15px;
    padding-top: 25px;
    
  }
  
  button:hover {
    background-color: #0772f5;
    transform: scale(1.05); }


button:active {
  background-color: #06f26c;
  transform: scale(1);
}

body {
  font-family: Arial, sans-serif;
  background-color: #f4f4f4;
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

  
/* Responsive design */

/* Tablet and larger screens */
@media only screen and (min-width: 768px) {
  .container {
    max-width: 80%;
    margin: 40px auto;
  }
  #height, #weight {
    width: 200px;
  }
  button {
    width: 200px;
  }
}

/* Mobile screens */
@media only screen and (max-width: 767px) {
  .container {
    width: 90%;
    margin: 20px auto;
    height: auto;
  }
  #height, #weight {
    width: 100%;
    margin-top: 15px;
  }
  button {
    width: 100%;
    margin-top: 15px;
  }
  #results {
    font-size: 25px;
    margin-left: 20px;
  }
  #weight-guide {
    margin-left: 20px;
  }
}