sp simple portfolio does not look like it was created with the sp page builder

Hello Dominik,

Thank you for reaching out to our technical support forum. I’m sorry to hear about the trouble you’re experiencing. Rest assured, I will look into this issue for you and work to resolve it as quickly as possible.

Please use this CSS to
Template Options -> Custom Code -> Custom CSS

.sp-simpleportfolio .sp-simpleportfolio-description{
    width: 100%;
}
@media (min-width: 1400px) {
    #sp-main-body .container, .container-lg, .container-md, .container-sm, .container-xl, .container-xxl {
        max-width: 100%;
        padding: 0px;
    }
}
.view-item #sp-main-body {
    padding: 0px;
}
.sp-simpleportfolio .sp-simpleportfolio-img{
    width: 100%;
}

Hopefully, it will get you the desired view.

Best regards