body {
    margin: 0;
}

.h1-head {
    text-align: center;
    color: rgb(2, 3, 129);
}

.events-block {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.single-block img {
    border-radius: 15px 50px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.single-block:hover {
    filter: brightness(100%);
    -ms-transform: scale(1.1);
    /* IE 9 */
    -webkit-transform: scale(1.1);
    /* Safari 3-8 */
    transform: scale(1.1);
    transition: 1s;
}

.single-block h4 {
    margin-top: 10px;
}

@media screen and (min-width: 1024px) {
    .h1-head {
        font-size: 2rem;
        margin: 70px 0;
    }

    .single-block {
        margin: 20px 40px;
    }

    .single-block img {
        height: 300px;
        width: 300px;
    }

    .single-block h4 {
        font-size: 1.5rem;
    }
}

@media screen and (max-width: 820px) {

    .single-block h4 {
        font-size: 1.2rem;
    }

    .h1-head {
        font-size: 1.7rem;
        margin: 50px 0;
    }

    .single-block {
        margin: 20px 40px;
    }

    .single-block img {
        height: 250px;
        width: 250px;
    }
}

@media screen and (max-width:480px) {
    .h1-head {
        font-size: 1.2rem;
        margin: 40px 0;
        padding: 0 10px;
    }

    .single-block h4 {
        font-size: 1rem;
    }

    .single-block img {
        height: 250px;
        width: 250px;
    }
}