.calculator{background:#f0f0f0;box-shadow:2px 3px 6px #212121;font-family:'Roboto Mono',monospace;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;zoom:.8}.displayBox{background:#455a64;padding:0;min-height:90px;overflow:hidden}.displayText{margin:20px;background:transparent;border:0;color:#FFF;font-size:80px;font-weight:100;padding-right:20px;padding-bottom:-10px;float:right;display:inline-block;overflow:hidden}.operationSide{background:#FFF;margin-top:-14px;padding:0;padding-left:-20px;padding-top:10px;border-left:1px solid #e5e5e5}.numberPad{padding-top:14px}.btn-calc,.btn-calc:focus{background:transparent;color:#a2a2a2;font-size:25px;width:75px;height:75px;font-weight:100;border-radius:100px;outline:0;box-shadow:0 0 0 transparent;border:0}.btn-calc:hover{background:#FFF;color:#455a64}.btn-operation{background:transparent;color:#999;font-size:25px;width:100%;height:80.8px;font-weight:100;border-radius:0;outline:0;box-shadow:0 0 0 transparent}.btn-operation:focus{background:#e8e8e8;color:#444;outline:0}.btn-operation:hover{background:#e8e8e8;color:#444}.equals,.equals:focus{background:#455a64;color:#FFF}.equals:hover{background:#455a64;color:#FFF}.clear,.clear:focus{background:#455a64!important;color:#FFF;font-size:25px;width:75px;height:75px;font-weight:100;border-radius:100px;outline:0;box-shadow:0 0 0 transparent;border:transparent}.clear:hover{background:#455a64;color:#FFF}.btn-question,.btn-question:focus{z-index:100;position:absolute;top:20px;right:20px;width:40px;height:40px;border-radius:40px;background:transparent;border:2px solid #FFF;padding-top:6px;color:#FFF;font-family:sans-serif;font-size:18px;outline:0;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.btn-question:hover{background:rgba(255,255,255,0.2);color:#FFF}:focus{outline:none!important}::-moz-focus-inner{border:0!important}@media only screen and (max-width:768px){.calculator{height:590px;box-shadow:2px 3px 6px #888}.displayBox{height:150px}.displayText{margin-top:80px;font-size:50px}.btn-calc,.btn-calc:focus{width:70px;height:70px;font-size:18px}.operationSide{padding:0}.btn-operation,.btn-operation:focus{width:60px;height:60px;font-size:18px}.clear,.clear:focus{width:70px;height:70px;font-size:18px}.equals,.equals:focus{width:62px;height:63px;margin-top:1px}.modal-dialog{width:100%}}@media only screen and (min-width:1440px){.btn-calc,.clear,.btn-calc:focus,.clear:focus{width:80px;height:80px}.equals,.equals:focus{width:100%;height:96px}}.hvr-radial-out:before{background:#FFF!important;border-radius:100%;transition-duration:.5s}.hvr-fade:before{background:#FFF!important;transition-duration:.5s}