body{
  padding: 10px;
  font-family: 'Montserrat', sans-serif;
  background: #eee;
}

.mainBody{
  background: #e6cc67;
  width: 300px;
  height: 480px;
  padding: 0;
  margin: 3% auto;
  border-radius: 20px;
  box-sizing: content-box;
  box-shadow: 0 15px 15px rgba(0,0,0,.3);
}

.displayPart{
  padding: 30px 20px;
  border-radius: 10px 10px 0 0;
  background: #363535;
  border-radius: 20px 20px 0 0;
}

.display{
  background: #444;
  height: 60px;
  width: 100%;
  border: 0;
  text-align: right;
  line-height: 60px;
  color: #fff;
  font-size: 25px;
  letter-spacing: 2.8px;
  padding: 0 12px;
  box-shadow: inset 0px 0px 2px 2px rgba(0,0,0,.3);
}

.borderDivs{
  padding: 0;
}

.borderDivs{
  height: 8px;
  background-color: #444;
}

.btnAns, .btn{
  padding-left: 0;
  padding-right: 0;
}

.buttonsPart{
  padding: 40px 0 0px 0;
}

.buttons{
  line-height: 1.5;
  color: #fff;
  background: #444;
  font-weight: 900;
  width: 50px;
  margin: 7px 7px;
  display: inline;
  font-size: 13px;
  border-radius: 4px;
  border: solid 2px #444;
  box-shadow: 0 0 1px 1px rgba(0,0,0,.3);
  outline: none;
}

.btnEqual{
  width: 118px;
}

.buttons:focus,
.buttons:active,
.buttons:hover {
  color: #fff;
  outline: none !important;
}

:focus {outline:none;}

::-moz-focus-inner {border:0;}

.buttons:active{
 color: #fff;
 outline: none;
 box-shadow: none;
}

::-webkit-input-placeholder {
   opacity: .2;
}

:-moz-placeholder { /* Firefox 18- */
   opacity: .2;
}

::-moz-placeholder {  /* Firefox 19+ */
   opacity: .2;
}

:-ms-input-placeholder {
   opacity: .2;
}

.btnMult{
  font-size: 15px;
}
