.grid-container {
   display: grid;
    grid-template-columns: auto auto auto;
    background-color: #ebece8;
    padding: 10px 5px 15px 5px;
    /* margin-bottom: 5px;
}
.grid-item {
    /* background-color: rgba(255, 255, 255, 0.8); */
    /* border: 1px solid rgba(0, 0, 0, 0.8); */
    padding: 20px;
    font-size: 30px;
    text-align: center;
}

.video_head {
  font-weight: bold;
    font-size: 36px;
    text-align: center;
    background-color: #ebece8;
    padding-top: 40px;
}


.mb {

   margin-bottom: 11%;

}

@media only screen and (max-width: 600px) {
 .grid-container {
 
  grid-template-columns: none;
  padding: 10px;
}

.mb {

   margin-bottom: 0%;

}
  
  
}