*{
    margin:0;
    padding: 0;
    box-sizing: border-box;
    font-family:'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
}
body{
    background: linear-gradient( to top, rgb(1, 88, 88), rgb(1, 64, 83));
    width:100%;
    height: 100vh;
    align-items: center;
    justify-content: center;
    display: flex;
}

.calc{
 background:#222;
 box-shadow:inset 0 4px 8px 0 rgba(0,0,0,0.2), 0 6px 20px 0 rgba(0,0,0,0.2);
 border-radius: 12px;
 padding: 20px;
}

input{
    width: 352px;
    height:70px;
    border:none;
    background: transparent;
    margin: 10px; 
    box-shadow: 0 4px 8px 0 rgba(0,0,0,0.2), 0 6px 20px 0 rgba(0,0,0,0.2);
    padding: 24px;
    font-size: 40px;
    text-align: right;
    cursor: pointer;
    color: whitesmoke;

}

input::placeholder{
    color: #848282;
}

button{
    color:whitesmoke;
    background: transparent;
    width: 70px;
    height: 70px;
    border-radius: 16px;
    box-shadow: 0 4px 8px 0 rgba(0,0,0,0.3), 0 6px 20px 0 rgba(0,0,0,0.2);
    border: none;
    margin: 10px;
    font-weight: bold;
    box-sizing: border-box;
    cursor: pointer;
    font-size: 23px;
}

.equal-btn{
    background-color: rgb(223, 147, 5);
    color: white;
    font-size: 27px;
}

.operator{
    color: rgb(245, 189, 4);
}