.black-round {
    border: 2px solid black;
    color: black;
    background-color: white;
    border-radius: 1.5em;
    margin-left: auto;
    margin-right: auto;
    width: 450px;
    font-size: 16px;
    font-weight: 700;
    box-shadow: 0px 4px 4px gray;
    display: flex;
}

.day_box {
    padding: 2px 0px;
    height: 32px;
    width: 42px;
    font-size: 20px;
    margin-left: 3%;
    margin-right: 3.5%;
    border: 2px solid black;
    color: black;
    text-align: center;
    border-radius: 0.5em;
    font-weight: bold;
    display: flex;
    justify-content: center;
    align-items: center;
}

html {
    scroll-behavior: smooth;
}

.main-container {
    max-width: 1020px;
    margin: 0 auto;
    padding: 50px 100px;
}

.event-type-select {
    border: none;
    padding: 12px;
    height: 45px;
    width: auto;
    min-width: 200px;
    overflow: hidden;
    font-size: 18px;
    transition: 0.2s all;
}

select.event-type-select {
    box-shadow: 1px 1px 4px rgba(0, 0, 0, 0.2);
}

select.event-type-select:hover {
    box-shadow: 1px 1px 9px rgba(0, 0, 0, 0.3);
}

.event-type-select select {
    padding: 50px 38px;
    border: none;
    font-size: 18px;
    background: transparent;
    background-image: none;
    -webkit-appearance: none;
}

.contact-parent div {
    margin: 10px 3px !important;
}

.choice_tab {
    text-align: center;
    width: 50%;
    height: 100%;
    color: black
}

.machine_frame {
    height: 170px;
}

.chart {
    width: 250px;
    height: 200px;
    margin-bottom: 0px
}

.day_choice {
    display: flex;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
}

.choice_tab, .active {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 30px;
}
@media only screen and (max-width: 1902px) {
    .top_background {
        height: 200px;
    }
    .top_congestion_box{
        margin-top: 40px;
    }
}

@media only screen and (max-width: 1023px) {
    .top_background {
        height: 120px;
    }

    .machine_frame {
        height: 130px;
    }

    .congestion_info_box img {
        height: 60px;
        width: 60px;
    }

    .chart {
        width: 77%;
    }
}
@media only screen and (max-width: 950px) {
    .chart {
        width: 85%;
    }
}

@media only screen and (max-width: 766px) {
    .top_background {
        height: 150px;
    }
    .day_choice {
        margin-top: 50px;
        width: 200px;
    }

    .day_box {
        margin-left: 8%;
        margin-right: 8%;
        padding: 3px 7px;
        font-weight: bold;
    }

    .chart {
        width: 95%;
    }

    .machine_frame {
        text-align: center;
        margin: 0vw 0vw 3vw 0vw;
        border: 1px solid white;
        color: black;
        background-color: white;
        border-radius: 1.5em;
        padding: 0.5em 0.5em;
        box-shadow: 0px 4px 4px gray;
        width: 75vw;
        height: 39vw;
    }

}

@media only screen and (max-width: 576px) {
    .top_background {
          height: 150px !important;
          margin-top: 50px;
    }

    .chart {
        width: 85%;
    }

    .day_box {
        margin-right: 4%;
        margin-left: 4%;
        width: 15%;
    }


    .black-round {
        color: black;
        background-color: white;
        width: 80vw;
        font-size: 2.8vw;
        font-weight: 700;
        word-break: break-word;
    }
}

@media only screen and (max-width: 466px) {
    .day_box {
        margin-right: 4%;
        margin-left: 4%;
    }

}