@import url('https://fonts.googleapis.com/css2?family=Orbitron&display=swap');

body {
    background-image: url(bkg.jpg);
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    background-color: #6226719c;
    background-blend-mode: overlay;
}

.h1{
    text-align: center;
    text-shadow: 2px 2px 4px rgb(235, 209, 209);
    margin-top: 12%;
    font-family: 'Orbitron', sans-serif;
    font-size: 40px;
    font-style: normal;
    font-weight: bold;
    padding-bottom: 20px;
}

.calculator {
    padding: 10px;
    border-radius: 1em;
    height: 380px;
    width: 400px;
    margin-right: auto;
    margin-left: auto;
    margin-top: 2%;
    background-color: #191b28;
    box-shadow: rgba(0, 0, 0, 0.19) 0px 10px 20px, rgba(0, 0, 0, 0.23) 0px 6px 6px;
}

.display-box {
    font-family: 'Orbitron', sans-serif;
    font-size: 14px;
    background-color: #dcdbe1;
    border: solid black 0.5px;
    color: black;
    border-radius: 5px;
    width: 100%;
    height: 65%;
}

#btn {
    background-color: #26bcc7;
}

input[type=button] {
    font-family: 'Orbitron', sans-serif;
    background-color: #a4298b;
    color: white;
    border: solid black 0.5px;
    width: 100%;
    border-radius: 5px;
    height: 70%;
    outline: none;
}

input:active[type=button] {
    background: #e5e5e5;
    -webkit-box-shadow: inset 0px 0px 5px #c1c1c1;
    -moz-box-shadow: inset 0px 0px 5px #c1c1c1;
    box-shadow: inset 0px 0px 5px #c1c1c1;
}