*{
    margin:0px;
    padding: 0px;
}
#logo {
    width: 7%;
    padding-bottom: 5px;


}
.header {
    background-color: #319ac7;
    width: 100%;
    position: fixed;
    z-index:999;
    align-items: center;
    display: flex;
    justify-content: space-between;

}
.nav{
    display: inline;    
    padding: 10px 10px;
    float: right;
    
    }
    span a {
        padding: 20px;
        text-decoration: none;
        text-transform: uppercase;
        color:rgb(245, 248, 248);
        font-weight: 700;
    
        
    }
    .tt{
        padding-top: 200px;
        padding-left: 10%;
    }
    caption{
        font-size: xx-large;
        font-weight: bolder;
    }
.table{
    border: 1px solid black;
   width: 90%;
   height: 600px;
   text-align: center;
  

}
.first{
    background-color: aqua;
}
td{
   padding: 10px;
   background-color: aquamarine; 
}
select{
    width: 90px;
    height: 30px;
}form{
    font-size:x-large;
    font-weight: 900;
}