*{
    margin: 0;
    padding: 0;
    box-sizing:border-box;
}
h1,
h2,
h3,
h4,
h5,
h6 {
    margin: 0;
    padding: 0;
}

body{
    display: flex;
    align-items:center;
    justify-content:center;
    background-image: url('calc.jpg');
    background-position: absolute;
    background-repeat: no-repeat;
    background-size: cover;
    padding-top:170px ;
}

.cgpa_container{
    background-color: #ffffff7e;
    width:500px;
    height:auto;
    border-radius: 10px;
    padding:15px;
    position: center;

}

.cgpa_container > .cgpa_title{
    width: 100%;
    height: 50px;
    background-color:rgba(95, 94, 94, 0.52);
    text-align:center;
    line-height:50px;
    font-family: 'Noto Sans', sans-serif;
    font-size:24px;
    color:#000000;
    border-radius: 10px 10px 10px 10px;
}

.cgpa_container > input{
    border:none;
    background-color:#ffffff ;
    outline:none;
    width: 220px;
    height: 25px;
    border: 1px solid rgba(56, 55, 55, 0.746);
    text-align: center;
    font-family: 'Noto Sans', sans-serif;
    font-weight: bold;
    color: #242627;
    margin: 6px;
    border-radius: 5px;
}

::placeholder{
    color:#242627b7;
    font-size: 15px;
}

.cgpa_container .cgpa_output{
    width:100%;
    margin-left: 19px;
}

.cgpa_container .cgpa_output h1{
    font-family: 'Noto Sans', sans-serif;
    font-size: 25px;
    margin-top: 25px;
    color: rgb(48, 40, 40);

}

.cgpa_container .cgpa_output #btn_re,
.cgpa_container .cgpa_output #btn_sub {
  border: none;
  background-color: #1f1511b0;
  outline: none;
  font-size: 20px;
  font-family: roboto slab;
  cursor: pointer;
  border-radius: 12px;
  margin: 25px 0px 25px 0px;
  color:#fff;
  box-shadow: inset 5px 5px 5px 0px rgba(255, 255, 255, 0.03),
  7px 7px 20px 0px rgba(0, 0, 0, 0.2),
   4px 4px 5px 0px rgba(0, 0, 0, 0.1);
padding: 5px 20px;
}
.cgpa_container .cgpa_output #btn_re{
  margin-right: 15px;
}
/* cgpa_container cgpa_output > btn_re:active css part*/
/* cgpa_container cgpa_output > btn_sub:active css part*/

.cgpa_container .cgpa_output #btn_re:active,
.cgpa_container .cgpa_output #btn_sub:active{
  box-shadow: inset 5px 5px 5px 0px rgba(255, 255, 255, 0.03),
  inset 7px 7px 20px 0px rgba(0, 0, 0, 0.2),
  inset 4px 4px 5px 0px rgba(0, 0, 0, 0.1);
}