:root {
    --color: #525252;
}
#vp-wrapper #vp_calcBox input[type="text"]{
    width: 100px;
}

#vp-wrapper #vp_calcPage .vp-calc-overlay {
    display: grid;
    width: 350px;
    grid-template-rows: repeat(2, 45px);
    grid-template-columns: repeat(7, 1fr);
    grid-auto-rows: 45px;
    padding: 5px;
    background-color: var(--color);
    border-radius: 5px;
    margin-top: 3px;
}

#vp-wrapper #vp_calcPage input[type="button"] {
    border-radius: 3px;
    border: 0px;
    margin: 1px;
    /* box-shadow: 1px 1px 1px 1px var(--color); */
    background-color: white;
    color: var(--color);
    font-size: 15px;
    font-weight: bold;
}
#vp-wrapper #vp_calcPage .vp-calc-overlay input[type="button"]:hover,
#vp-wrapper #vp_calcPage .vp-calc-overlay input[type="button"].selected {
    background-color: gray;
    color: white;
    transition: 0.5s
}