#calculator {
  
    min-width: 625px;
    max-width: 625px;
    margin: 0 auto;
    z-index: 100;
    margin-top: 5%;	
  	
  	
    border-radius: 10px;
    box-shadow: 4px 4px 4px #888888;  
    height: 412.5px;
  }
  
  
  #screen {
    position: relative;
    width: 100%;
    height: 100px;  
    color: white;
    background: rgb(32, 32, 32);
    text-align: right;
    border-top: 1px solid;
    border-left: -1px solid;
    border-right: -1px solid;
    border-radius: 5% 5% 0% 0%;
    
    font-family: "Trebuchet MS", Helvetica, sans-serif;
    font-size: 2.35em;
    font-weight: 100;
    
    overflow: hidden;  
  
  }
  
  #input-output {
      color: white;
      margin-right: 10px;
      position: absolute;
      bottom: 20px;
      right: 10px;
      text-align: inherit;
      
  }
  
  #rad-display{
      position: absolute;
      margin-left: 10px;
      bottom: 10px;
      font-size: .5em;
  }
  
  #number-0 {
    width: 20%;
  }
  
  .row>.entry-button {
    display: table-cell;
    border-collapse: collapse;    
    text-align: center;
  	vertical-align: middle;
  	width: 62.5px;
  	height: 62.5px;
    overflow: hidden;
    
    -webkit-box-sizing: border-box; /* Safari/Chrome, other WebKit */
    -moz-box-sizing: border-box;    /* Firefox, other Gecko */
    box-sizing: border-box;         /* Opera/IE 8+ */    
  }
  
  .entry-button{
    cursor: pointer;
    border-bottom: 1px solid black;
    background-color: rgb(203,204,206);
    border-left: 1px solid;    
    padding: 0px;
    width: 10%;
  }
  
  .entry-button:hover {
    background-color: rgb(180,181,183);
  }
  
  .white-buttons {
    background-color: rgb(213,215,217);
  }
  
  .white-buttons:hover {
    background-color: rgb(185,187,189);
  }
  
  .orange-operators {
    background-color: rgb(248,146,20);
  }
  
  .orange-operators:hover {
    background-color: rgb(224,128,15);  
  }
  
  #credits {
     position: absolute;
     bottom: 5%;
     right: 3%;
     width: 100%;
     text-align: right;
  }  
  
  
@media only screen and (max-width: 645px) {
  .big-screen{
  	width: 0px;
  }

  #calculator {
    min-width: 250px;
    max-width: 250px;
  }  

  .entry-button{
    width: 25%;
  }

  #number-0 {
    width: 50%;
  }



}

html {
  overflow: hidden;
}