.container {
          max-width: 900px;
          margin: 10px auto;
}

.header {
          width: 100%;
          background-color: transparent;
          height: auto;
          background-size: 100%;
}

#content {
  box-sizing: border-box;
  background-color: #f5f3ef;
  border: 2px black solid;
  padding: 20px;
  height: 600px;
  overflow: auto;
}

.column1{
          float:left;
          width:45%;
}

.column2{
          float:right;
          width:45%;
   
}

.raz1{
          float:left;
          margin-left:40px;
          margin-bottom:30px;
          
}

.raz2{
          float:right;
          margin-top:20px;
          margin-right:50px;
          
}

footer{
          width:100%;
          height:5px;
          padding:10px;
          text-align: center;
          
}

.flex {
           display: flex;

}

.raz1_1970{
          float:right;
          margin-top:5px;
          margin-left:15px;
}

.raz2_1970{
          float:left;
          margin-top:5px;
          margin-right:15px;
}