.menuBtn-subBtn{
position: fixed;
z-index: 9999;
display:flex;
top:180px;
left:50px;
gap:10px;    
}

.menuBtn{
background-color:#0F1115;
color: lightblue;
border:1px solid gray;
min-width:40px;
max-width:40px;
min-height:30px; 
max-height:30px; 
display:flex;
align-items: center;
justify-content:center; 
padding:10px;
cursor:pointer;
font-size: 25px;
}

.subBtn{
background: #0F1115;
color: lightblue;
border:1px solid gray;
min-width:200px;
max-width: 300px;
min-height:30px; 
max-height:30px; 
display:flex;
align-items: center;
justify-content:center;
padding:10px;
cursor:pointer;
font-size: 20px; 
}

.dateBox{
background: #0F1115;
color: lightblue;
min-width:200px;
max-width: 200px;
min-height:30px; 
max-height:30px;
display: flex;
text-align: center;
justify-content:center;
cursor:pointer;
font-size: 23px; 
border: none;
outline: none;
}

input[type="date"]{
appearance:auto;

}

.background{
position: fixed;
z-index:9997;
background-color:#2E3A44;
width:100%;
height:100px;
top :150px;
left: 0;
}

.subject-box{
margin-top:10px;
background:lightblue;
padding: 60px;
border-radius: 10px; 
border: 3px solid black;
bottom: 305px;
}