body{
    background-color: #0143a3;
    font-size: 16px;
}
a, h1, span{
    color: #ffffff;
    font-family: "Helvetica Neue";
    font-weight: 200;
}
ul{
    list-style-type: none;
    padding:0;
}

h1{
    font-size: 6rem;
}

.margin-zero-auto{
    margin: 0 auto;
}
.display-block{
    display:block;
}

.text-align-center{
    text-align: center;
}

@media(max-width:480px) {
    h1{
        font-size: 4rem;
    }
}