.main {
    padding: 220px 10px;
}
.main-grid h1 {
    font-size: 2.75rem;
    font-weight: 300;
    text-align: center;
    line-height: 1.2em;
    color: #f2f2f2;
    text-transform: uppercase;
    max-width: 800px;
}
.main-grid {
    display: grid;
    justify-items: center;
    gap: 20px;
}
.main-grid > span {
    max-width: 140px;
    width: 100%;
    height: 1px;
    background-color: #f2f2f2;
    display: block;
}

@media only screen and (min-width: 360px) and (max-width: 570px) {

    .main-grid h1 {
        font-size: 1.6rem;
    }
    
}

@media only screen and (min-width: 0px) and (max-width: 359px) {

    .main-grid h1 {
        font-size: 1.2rem;
    }
    .main .btn span {
        display: none;
    }
    .btn {
        padding: 10px 20px;
    }
    .main {
        padding: 110px 10px;
        position: relative;
        z-index: 100;
    }
}