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

body{
    background-image: url(./Background\ image.jpg);
}

section{
    margin-top: 70px;
}

.container{
    max-width: 600px;
    display: block;
    margin: 0 auto;
    border-radius: 5px;
   
}

#input{
    margin-top: 15px;
    height: 70px;
    line-height: 65px;
    font-size: 3rem;
    text-align: right;
    border: 2px solid grey;
    border-radius: 15px;
    overflow: hidden;
}

.buttons{
    line-height: 100px;
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr 1fr 1fr 1fr;
}

.button{
    text-align: center;
    font-size: 2rem;
    cursor: pointer;
    border-radius: 5px;
    margin: 5px;
    background-color: #dbdddf;
}

.delete{
    background-color: #ce6f65;
}

.number{
    background-color: #fffee9;
}

.operation{
    background-color: #f3c28e;
}

.reset{
    background-color: #becbcf;
}

#equal{
    background-color: #bdbc9e;
}

.hidden{
    cursor: none;
    visibility: hidden;
}