.main {
    text-align: center;
}

.box,.news {
    margin: auto;
    margin-top: 20px;
    width: 80%;
}

.box ul {
    list-style: none;
}
.news ul {
    list-style: none;
}
.join_text ul {
    list-style: decimal-leading-zero;
}
.event_img {
    max-width: 80%;
}

.news {
    border: 2px solid black;
    border-radius: 20px;
    padding: 20px;
}

.join_text button {
    width: 100px;
    height: 50px;
    background-color: red;
    color: white;
    border: 2px solid white;
    border-radius: 15px;
    transition: box-shadow 0.5s;
    box-shadow: 3px 3px black;
    font-size: 1rem;
    &:hover {
        cursor: pointer;
        box-shadow: 0px 0px black;
    }
}

.event_box {
    width: 90%;
    text-align: center;
}