.sponsor {
     position: relative;
     width: 100%;
     margin: 20px auto;
     display: flex;

 }
 
 .sponsor a {
     
     margin: 0 10px;
     padding: 0 10px;
     text-align: center;
     
 }
 
 .sponsor a:hover {
     
     background-color: rgba(255, 255, 255, 0.5);
						color:#000000;
						font-weight: bold;
						
     
 }
 
 
 .sponsor_tit{
 position: relative;
 border-bottom: solid 1px #ffffff;
			width: -moz-max-content;
			width: -webkit-max-content;
			width: -ms-max-content;
			width: max-content;
			margin: 0;
			padding: 0;
			font-size:130%;
			
			
			}
 
  .sponsor_tit_serif{
 position: relative;
 font-family: serif;
 width: -moz-max-content;
			width: -webkit-max-content;
			width: -ms-max-content;
			width: max-content;
margin: 0;
			padding: 0;
			
			}
 
 
 @media screen and (max-width: 680px) {
 
.sponsor_tit{
      width: 100%;
 text-align: center;
 font-size: 150%;
 border-style: none;
 
 }
 
  .sponsor_tit_serif{
 width: 100%;
 text-align: center;
 margin-bottom:20px;
			
			}
 
 
  .sponsor {
     width: 100%;
     margin: auto;
     display: flex;
     flex-direction: column;
 }
 

 }