.bigtit{
    width: 5rem;
    line-height: .9375rem;
    margin: 0 auto;
   font-size: .1875rem;
   color: #454545;
  
   text-align: center;
}
.partnerbox{
    width: 80%;
    background-color: #fff;
    margin: 0 auto;
    display: flex;
    justify-content: flex-start;
    flex-wrap: wrap;
}

.partneritem{
  border: 1px solid #ddd;
  
  overflow: hidden;
}
.partneritem img{
	width: 100%;
}
.partneritem:hover{
    box-shadow:0 0 15px #e3e3e3;
}

@media screen and (max-width: 768px) {
  .comintro {
    	display: none;
    }
    .bigtit{
        font-size: 20px;
    }
    .partnerbox{
    }
    .partneritem{
    }
  }