.aside-content{margin-top:-7.5rem;}
.content-cover-main{
    width: 100%; 
    height: 90vh;
    max-height: 690px; 
    max-width: 1200px;
}
@media screen and (max-width:764px) {
    .aside-content{margin-top:-3.5rem;}
    .content-cover-main{
        height: 40vh;
    }
}

.speaker-img img {
    width: 100%;
    height: 150px;
    object-fit: cover;
}