.background {
display: flex;
flex-direction: column;
justify-content: flex-start;
align-items: center;
margin: 100px auto;
border: 40px solid transparent;
width: 100%;
height: 100vh;
box-sizing: border-box;
    background-color: #313131;
    background-image: radial-gradient(rgba(255, 255, 255, 0.171) 2px, transparent 0);
    background-size: 30px 30px;
    background-position: -5px -5px
}