@import url('https://fonts.googleapis.com/css2?family=Share+Tech+Mono&display=swap');
html,body{
    height: 100%;
}
body{
    background: linear-gradient(45deg, #b6e026 0%,#29e5cc 99%);
    background-size: cover;
}
.calculator{
    background: #353535;
    width: 300px;
    padding: 15px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
    text-align: center;
    border-radius: 5px;
    box-shadow: 0 6px 0 #a1a1a1, 0 8px 10px rgba(0,0,0,0.75);
}
.result{
    background-color: #cecfac;
    color: #3b3b32;
    width: 90%;
    margin: 8px 0 20px 10px;
    text-align: right;
    height: 50px;
    line-height: 50px;
    font-size: 35px;
    padding-right: 10px;
    overflow: hidden;
    font-family: digatal;
    box-shadow: inset 0 0 8px rgba(0,0,0,0.5), inset 0px 2px 0 #a1a1a1;
    font-family: 'Share Tech Mono', monospace;
}
ul{
    padding: 0;
    margin: 0;
}
ul li {
    list-style: none;
    font-family: 'Share Tech Mono', monospace;
    /* background-color: rgb(30, 89, 30); */
    background-color:  #4e4e4e;
    padding: 10px;
    width: 15%;
    float: left;
    color: white;
    margin: 5px;
    cursor: pointer;
    font-size: 20px;
    border-radius: 5px;
    box-shadow: 0 5px 0 #a5a5a5,0 2px 5px rgba(0,0,0,0.5);
}
ul li:active{
    position: relative;
    top: 5px;
    box-shadow: inset 0 1px 2px rgba(0,0,0,0.4);
}
ul li:nth-child(16){
    height: 75px;
    line-height: 75px;
}
ul li:last-child{
    margin-top: -48px;
    width: 65%;
}
.signature{
    color: white;
    font-family: 'Share Tech Mono', monospace;
    font-size: 0.75rem;
    text-align: right;
    position: relative;
    top: 4px;
    right: 5px;
    z-index: -1;
}