*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}


body {
    background:
        linear-gradient(to right, rgba(253, 253, 253, 0.932), rgba(0, 0, 0, 0.199)),
        url('https://images.unsplash.com/photo-1612296727716-d6c69d2a2cbb?q=80&w=1920&auto=format&fit=crop&ixlib=rb-4.1.0&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D');
    min-height: 100vh;
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
}

h1 {
    font-family: "Open Sans", sans-serif;
    font-size: 4rem;
    line-height: 1.2
}

.main-section {
   margin: 100px 0 0 100px;
   /* line-height: 1.4;  */
}

.main-section p {
    font-size: 20px;
    padding-top: 20px;
    font-family: "Open Sans", sans-serif;
    margin-bottom: 50px;
}

.main-section span {
    border-bottom: 5px solid #0ea5e9;
}

.main-section a {
    background-color: #0ea5e9;
    padding: 15px 30px;
    color: #fff;
    text-decoration: none;
    font-weight: bold;
    font-size: 20px;
}

.main-section a:hover {
    background-color: #0284c7;
}

/* Media Query */


@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }
    .main-section {
        margin: 200px auto;
        text-align: center;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
    }
    .main-section p {
        font-size: 16px;
    }
}