.btn-actividades{
  background-color: #57B5C5;
  color: #fff;
  height:70px;
  width:210px;
  font-weight:600;
}

.btn-actividades:hover{
  background-color: #EBEBEB;
  color: #57B5C5;
}


@media screen and (min-width: 250px) and (max-width:991px){
  button{
    margin-top:20px;
  }
}