@import url('https://fonts.googleapis.com/css?family=Mitr');


body{
	font-family: 'Mitr', sans-serif;
    background-image:url(../img/pastar.jpg); 
}
.tot_calc{
    width: 300px;
    position: absolute;
    left: 0;
    right: 0;
    top: 0%;
    bottom: 20%;
    height:315px;
    margin: auto;
    border: 1px solid #ccc;
    padding: 5px;
    background: #fff;
}
.tot_calc div{
    display: flex;
    justify-content: space-between;
}
#calc_val{
    width: 100%;
    background: #1b1919e0;
    color: #fff;
}
#calc_val:focus {
    outline: none;
    box-shadow:none;
    
}
.tot_calc div .btn:focus,.btn:active:focus,.btn.active:focus,
.btn.focus,.btn:active.focus,.btn:active.focus {
    outline: none;
    box-shadow:none;
}
.tot_calc div button{
    width: 100%;
    text-align: center;
    margin: 1px;
    cursor: pointer;
    font-size: 19px;
  position: relative;
  overflow: hidden;
}


.tot_calc div button:after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 5px;
  height: 5px;
  background: rgba(255, 255, 255, .8);
  opacity: 0;
  border-radius: 100%;
  transform: scale(1, 1) translate(-50%);
  transform-origin: 50% 50%;
}

@keyframes ripple {
  0% {
    transform: scale(0, 0);
    opacity: 1;
  }
  20% {
    transform: scale(25, 25);
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform: scale(40, 40);
  }
}

.tot_calc div button:focus:not(:active)::after {
  animation: ripple 0.4s ease-out;
}

.reset{
    background:#435B65;
    color: #fff;
}
.root img{
    max-width: 40%;
}
.zero_div .equal{
    background: #E5345E;
    color: #fff;
    border: 1px solid transparent;
}
.zero_div button{
    width: 25% !important;
}
.zero_div button:first-child{
    width: 50% !important
}