.attribute-qty-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px ;
    margin-bottom: 20px;
    border: 1px solid #f2f2f2;
}
.attribute-qty-table th,
.attribute-qty-table td {
    padding: 10px;
}
.attribute-qty-table th {
    background-color: #f4f4f4;
    text-align: left;
    font-weight: 400;
    color: #777777;
}
.attribute-qty-table td {
    vertical-align: middle;
    text-align: left;
}
.attribute-qty-table .variant-qty-input{
   max-width: 80px;
}
.variant-qty-wrapper .message {
    display: block;
    font-size: 12px;
    max-width: 140px;
}
.variant-qty-wrapper, .price-display-wrapper{
    text-align: left;
    display: block;
}
.product-options-wrapper .swatch-attribute-label{
   margin: 0; 
}
.product-options-wrapper .swatch-attribute-options{
   padding: 0;
}

@media (min-width: 768px){
    .attribute-qty-table {
        min-width: 360px;
        width: auto;
    }
}
.product-info-main .product-add-form .swatch-attribute div.mage-error {
    position: relative;
    bottom: 0;
}
.variant-qty-input.disabled-with-slash {
    position: relative;
    background-color: #f5f5f5;
    pointer-events: none;
}

.variant-qty-input.disabled-with-slash::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-top: 2px solid red; /* red slash */
    transform: rotate(-45deg);
    pointer-events: none;
}