Help with text background size

Hello, 

I am trying to make the title background's padding bigger on the sides and adding a border. I attach an image of what I want to achieve. 

website: https://penguin-potato-pyns.squarespace.com/  
password:1234

It looks like you figured it out with this CSS code?

.portfolio-hover-items-list li h1.portfolio-hover-item-title {
    border: 4px solid #282827;
    padding: 0 50px !important;
    display: block;
    margin-bottom: 50px;
    background: #f4f3f0;
}