.main{
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%,-50%);
}
.top,.bottom{
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    margin: 20px 0 20px 0;
}
.head{
    height: 150px;
    width: 100%;
    margin-left: 80px;
    margin-top: 50px;
    font-style: italic;
    text-decoration: underline;
}


input,select,button{
    width: 80%;
}
.cp{
    width: 80%;
    margin: 10px;
}

.bottom>button{
    margin: 10px;
    height: 30px;
    border-radius: 10px;
}

.canvas{
    border: 2px solid black;
    margin-top: 10px;
}

.clearBtn{
    background-color: red;
    color: white;
}
.saveBtn{
    background-color: green;
    color: white;
}
.retrieveBtn{
    background-color: yellow;
    color: black;
}