button {width:40px; height:30px; margin:3px 1px;}
.calculation {text-align:right; background-color:#eeeedd; font-weight:bold; border:solid thin darkgrey; font-family: "Orbitron"; margin:20px 0}
#calculation, #calculated {width:246.825px; margin:0; padding:2px; box-sizing:border-box}
#calculated {font-size:70%}
.calculator {display:inline-block; border:solid; background:linear-gradient(lightgrey, darkgrey); width:250px; padding:0 16px 16px}
input {width:100px}
input:first-child {width:50px}
up {vertical-align:5px; font-size:10px}
over {text-decoration:overline;}