html {
        max-width: 1500px;
        margin: auto;
        display: inline-block;
        padding-top:50px;
        text-align: center;
     
}
       
.dragndrop { 
        margin: 20%;
        margin-top: 10%;
        background-color: #a3a3a3;
        padding: 1px;
        padding-top: 5%;
        height:40%; 
        font-size: 20px;   
        cursor: pointer;
        border: 6px dashed #444444;
        border-radius: 20px;
        
}
.dragndrop:hover { 

        background-color: #888888;

}