*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.contain{
    height: 100%;
    /* border-radius: 15px; */
    /* border: 1px solid black; */
    /* background-color: rgb(132, 128, 128); */
     /* box-shadow: 0 5px 15px rgba(0,0,0,0.2); */
}
.btn-width{
    width: 400px;
}
input {
        width: 100%;
        border-radius: 5px;
        padding: 12px;
}