.content {
  background-color: #000;
  background-size: cover;
  background-position-y: -200px;
  height: 100%;
  padding-top: 80px;
}

.ser-card-wrapper {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  color: #fff;
  padding: 10px 50px 0 220px;
}

.ser-card-wrapper .img-card {
  position: relative;
  width: 25%;
  box-sizing: border-box;
  padding: 20px;
  overflow: hidden;
  opacity: 0;
  transform: translateY(150px);
}

.ser-card-wrapper .img-card.animate {
  animation: moveup 1s ease;
  opacity: 1;
  transform: translateY(0px);
}

.ser-card-wrapper .img-wrapper {
  overflow: hidden;
  border-radius: 10px;
  display: flex;
  justify-content: center;
  align-items: center;
  max-height: 225px;
}


.ser-card-wrapper .img-card:hover .des {
  opacity: 1;
  background-color: rgba(0, 0, 0, 0.6);
}



.ser-card-wrapper img {
  width: 100%;
  height: 100%;
}

.ser-card-wrapper .des {
  transition: all 0.6s;
  position: absolute;
  box-sizing: border-box;
  background-color: rgba(0, 0, 0, 0.3);
  opacity: 0;
  z-index: 2;
  top: 20px;
  left: 20px;
  right: 20px;
  bottom: 20px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  color: #fff;
}

.ser-card-wrapper .des p {
  padding: 0;
  font-size: 14px;
  margin: 0;
  text-align: center;
}

.ser-card-wrapper .des .des-title {
  padding: 25px 0;
  font-size: 24px;
}

aside {
  position: fixed;
  left: 50px;
  top: 200px;
}

.nav {
  margin-left: 0px;
  list-style: none;
  color: #fff;
  font-size: 18px;
}

.nav li {
  cursor: pointer;
  padding: 13px 10px;
  margin-bottom: 20px;
  transition: all 0.6s;
  text-align: center;
}

.nav li.animate {
  animation: moveright 1s ease-in-out;
}

.nav li.active,
.nav li:hover {
  background-color: #fff;
  color: #122440;
}
@media screen and (max-width:1023px) {
  .ser-card-wrapper .img-card{
    width: 33%;
  }
}
@media screen and (max-width:820px) {
  .ser-card-wrapper .img-card{
    width: 50%;
  }
  aside{
    position: static;
  }
  aside .nav{
    display: flex;
    font-size: 20px;
  }
  .nav li{
    margin-bottom: 0;
    margin-right: 10px;
  }
  .ser-card-wrapper{
    padding: 20px;
    
  }
  .content{
    padding-top: 0;
  }
}
@media screen and (max-width:750px) {
  .ser-card-wrapper{
    padding: 0;
  }
  .ser-card-wrapper .img-card{
    padding: 10px;
  }
}