.event-list {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    row-gap: 20px;
    column-gap: 20px;
}

.event-list .event {
    flex: 0 0 calc(25% - 20px);
    border-radius: 5px;

    background-color: blue;
    background-image: none;
    background-size: cover;
    background-position: center;
    color:white;

    padding: 10px;

}
.event-list .event .content {
    display: flex;
    flex-direction: column;
    row-gap: 10px;

    justify-content: space-between;
    text-align: center; 
}
.event-list .event .content a {
    color: white;
}

.event-list .event .content .event-name {
    font-weight: bold;
    height:2.9em;
}
.event-list .event .content .opening_in {
    display: flex;
    flex-direction: row;
    flex-wrap:wrap;
    row-gap:0.5em;
    column-gap: 0.5em;

    justify-content: center;
}
.event-list .event .content .opening_in > div {
    background: #FFFFFF;
    color: #000000;
    border-radius: 50%;
    width: 3.5em;
    height: 3.5em;

    display: flex;
    flex-direction: column;
    justify-content: center;
}
.event-list .event .content .opening_in > div > div {
    line-height:1.2em;
} 
.event-list .event .content .event-url {
    display: inline-block;
    background-color: #004D95;
    padding: 5px;
    border-radius: 5px;
}