.interior {
 width: 100%;
 margin-right: auto;
 margin-left: auto;
 overflow: none;
 text-align: center;
}

.interior_banner {
 width: 100%;
 height: auto;
 margin-top: 60px;
 margin-bottom: 20px;
 
}

.interior_banner div {
 border-width: 2px;
 border-style: solid;   
 width: 20%;
 height: 400px;
 display: inline-grid;
 margin: 20px;
 background-size: 100%;
 position: relative;
}

.interior_banner div span {
 position: absolute;
 top: 90%;
 left: 0;
 height: 10%;
 font-size: large;
 font-weight: 1000;
 width: 100%;
 max-width: 100%;
 background-color: white;
 opacity: 0.6;
 
}
.interior_projects {
 width: 30%;
 height: auto;
 display: inline-grid; 
 margin: 5px;
}

.interior_proj_img {
 width: 100%;
}

.interior_proj_span {
 width: 100%;
 font-weight: bold;
 font-size: 1.5em;
 position: absolute;
 color: white;
 opacity: 0.8;
 top: 0px;
 left: 0px;
}

@media screen and (max-width: 600px) {
 .interior_projects {
  width: 100%;
 }
 .interior_banner div {
  width: 80%;
 }
}