*{
    box-sizing: border-box;
    margin: 0;
    font-family: Verdana, Geneva, Tahoma, sans-serif;

}
body{display: flex;
align-items: center;
justify-content: center;
height: 500px;
flex-direction: column;
background-color: rgb(37, 37, 37);

}
.calc-container{
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    min-height: 200px;
    min-width: 300px;
    width: 50%;
   background-image: url(wave_background.jpg); 
    gap: 25px;
   padding: 10px;
   border-radius: 12px;
   /* background: linear-gradient(225deg, #14aea4,#55efe3, #fdc97d); */
   box-shadow:  -20px 20px 86px #dcdfdf,
   20px -20px 86px #b0bbbb;
   color: aliceblue;
}
.calc{
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 20px;
}
@media screen and (width: 1100px) {
    .calc {
  flex-direction: column;
    }
  }
.meter{
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    border-radius: 5px;
    border: none;
}
.feet{
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    border-radius: 5px;
    border: none;
}
label{
    padding: 5px;
    width: 80px;
    text-align: center;
}
input [type="text"]{
    padding: 5px;

}
#combo{
    font-size: 20px;
    border-radius: 5px;
    border: none;
    text-align: center;
    color: rgb(54, 52, 52);
 
}




/* The switch - the box around the slider */
.switch {
    font-size: 17px;
    position: relative;
    display: inline-block;
    width: 3.5em;
    height: 2em;
    margin: 100px;
  
  }
  
  /* Hide default HTML checkbox */
  .switch input {
    opacity: 0;
    width: 0;
    height: 0;
  }
  
  /* The slider */
  .slider {
    --background: #0e2b83  ;
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--background);
    transition: .5s;
    border-radius: 30px;
  }
  
  .slider:before {
    position: absolute;
    content: "";
    height: 1.4em;
    width: 1.4em;
    border-radius: 50%;
    left: 10%;
    bottom: 15%;
    box-shadow: inset 8px -4px 0px 0px #fff000;
    background: var(--background);
    transition: .5s;
  }
  
  input:checked + .slider {
    background-color: #5379ea;
  }
  
  input:checked + .slider:before {
    transform: translateX(100%);
    box-shadow: inset 15px -4px 0px 15px #fff000;
  }

  .active{
    background-color:#fff;
  }