.mst-roi-calculator {
    padding: 15px;
    background: #f7f7f7;
    border: 1px solid #ddd;
    border-radius: 8px;
}
.mst-roi-calculator label {
    display: block;
    margin-top: 10px;
    font-weight: bold;
}

.mst-roi-calculator input {
    width: 100%;
    padding: 6px;
    margin-top: 5px;
    box-sizing: border-box;
}
.roi_main_wraper{
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-gap: 10px 30px;
}
.field_wraper input{
    width: 100%;
	border-radius: 6px;
    border: solid 1px #ccc;
}
.roi_printers{
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-gap: 10px 30px;
}
.roi_p_wrpr {
    text-align: center;
}
.roi_p_wrpr.active {
    background-color: #d8d8d8; /* active background */
    border-radius: 5px;   /* optional, just for nicer look */
}
.read_wraper {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
    font-size: 16px;
}

.read_title {
    font-weight: bold;
}

.read_price {
    font-weight: bold;
    color: red;
}
#clearBtn{
	    margin-top: 30px;
    padding: 12px 30px;
    border-radius: 6px;
    font-weight: 600;
}
.total_wraper_r{
    width: auto;
    display: grid;
    place-content: end;
    margin-top: 30px;
}
.total_wraper_r .read_title{
    margin-right: 30px;
    font-size: 42px;
}
.total_wraper_r .read_price {font-size: 42px;}
input[readonly] {
  background-color: #dedede;       
}

@media(max-width: 600px){
	.roi_main_wraper{ grid-template-columns: repeat(1, 1fr);}
	.roi_printers{ grid-template-columns: repeat(2, 1fr);}
}