body{
    background-color: red;
}
h3{
    min-width: 300px;
}
.woocommerce form .form-row .input-text, .woocommerce-page form .form-row .input-text
{
  width:300px;
}
/* .woocommerce-billing-fields, .form-row, textarea
{
    min-width: 100px;
}
.woocommerce form .form-row .woocommerce-input-wrapper {
    width: 100%;
}

.woocommerce form .form-row .input-text, .woocommerce-page form .form-row .input-text {
    box-sizing: border-box;
    width: 100%;
} */

textarea#order_comments.input-text{
    min-width: 300px;
    min-height: 100px;
}
.form-row-first{
    min-width: 100px;
    min-height: 100px;
}
.woocommerce form .form-row-last, .woocommerce-page form .form-row-last {
    float: none;
}
 .form-row label {
    display: inline;
    min-width: 300px;
}
.woocommerce-checkout .select2-container .select2-selection--single .select2-selection__rendered {
    min-width: 300px;
}