.forumbox{
    width: 100%;
    max-width: 80vh;
    height: auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: 1.5rem;
 
}
.forumbox>.forum{
    width: 87%;
    background-color: rgba(154, 0, 243, 0.15);
    border: solid;
    border-color: rgba(154, 0, 243, 0.3);
    border-width: 0.15rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    overflow: hidden;
    border-radius: 0.35rem 0.35rem 0.5rem 0.5rem;
    box-shadow: 1px 5px 5px rgba(128, 128, 128, 0.7);
}

.toppforum{
    width: 100%;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
}
.toppforum>.titleforum{
    padding-left: 5%;
    padding-top: 0.3rem;
    padding-bottom: 0.25rem;
    padding-right: 2.6rem;
    margin-bottom: 0.1rem;
    width: auto;
    font-size: 1.05em;
    font-weight: 520;
    color: rgba(0, 0, 0, 0.95);
    background-color: #b879e987;
    border-radius: 0 0 0.7em 0;
}
.toppforum>.aforumTo{
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: row;
    width: 5.3em;
    height: 1.6em;
    font-size: 0.9rem;
    color: rgb(255, 255, 255);
    padding: 0.1rem;
    margin-right: 3.5%;
    background-color: #0f83ff;
    border-radius: 0.9em 0.9em 0.9em 0.9em;
    border-style: solid;
    border-color: rgba(47, 79, 79, 0.4);
    border-width: 0.1em;
    outline-style: solid;
    outline-width: 0.03em;
    outline-color: darkgray;
}

.forumMain{
    width: 100%;
    overflow: hidden;
    height: calc( ( ( 4vw + 21px + 6.274px + 21px + 9.653px + 17.376px + 4vw + 9.653px ) * 5 ) + 1px + 39.562px - ( 16.41px + 19.306px + 6.7px ) );
    border-radius: 0.45rem 0.6rem 0 0;
}
.forumMain>iframe{
    width: 100%;
    height: calc( ( ( 4vw + 21px + 6.274px + 21px + 9.653px + 17.376px + 4vw + 9.653px ) * 5 ) + 1px + 39.562px + 57.92px + 33.786px );
    overflow: hidden;
    position: relative;
    top: calc( -1 * ( 16.41px + 19.306px + 6.7px ) );
}