*{
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
body{

    background: rgb(132,22,218);
    background: -moz-linear-gradient(335deg, rgba(132,22,218,1) 40%, rgba(28,144,193,1) 79%, rgba(35,206,135,1) 100%, rgba(216,237,15,1) 100%);
    background: -webkit-linear-gradient(335deg, rgba(132,22,218,1) 40%, rgba(28,144,193,1) 79%, rgba(35,206,135,1) 100%, rgba(216,237,15,1) 100%);
    background: linear-gradient(335deg, rgba(132,22,218,1) 40%, rgba(28,144,193,1) 79%, rgba(35,206,135,1) 100%, rgba(216,237,15,1) 100%);
    filter: progid:DXImageTransform.Microsoft.gradient(startColorstr="#8416da",endColorstr="#d8ed0f",GradientType=1);
    
    height: 100vh ;
}
#body-calculator{
width: 250px;
}