计算器.css

.main{
    width: 268px;
    margin: 0 auto;
    border: 1px solid #f5f5f5;
    border-radius: 8px;
    background-color: #e6e6e6;
    padding: 24px;
    transform: scale(1.5);
    margin-top: 8rem;
}
.history,.operation{
    border: 1px solid #f5f5f5;
    border-radius: 4px;
    background-color: white;
    padding: 0 8px;
    margin-bottom: 8px;
}


.history{
    min-height: 6rem;
    height: 6rem;
    overflow-y: scroll;
    overflow-x: hidden;
}


::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    border-radius: 3px;
    background: rgba(0,0,0,0.06);
    -webkit-box-shadow: inset 0 0 5px rgba(0,0,0,0.08);
}
::-webkit-scrollbar-thumb {
    border-radius: 3px;
    background: rgba(0,0,0,0.12);
    -webkit-box-shadow: inset 0 0 10px rgba(0,0,0,0.2);
}


.history p{
    line-height: 2px;
    text-align: right;
}

.operation{
    line-height: 2rem;
    text-align: right;
    width: 15.6rem;
}

.one,.two{
    font-size: 1.4rem;
    line-height: 1.4rem;
    height: 2rem;
}
.one{
    width: 3rem;
}
.two{
    width: 6.3rem;
}

.br{
    padding: 4px;
}