.box {
    margin-left: 30px;
    width: 150px;
    height: 30px;
    text-align: center;
    line-height: 30px;
    font-weight: bold;
    float: left;
    border-radius: 10px;
    border: 2px solid black;
    background-color: white;

}
#selected,#selected1
{
    background-color: lightskyblue;
}
.container1
{
    overflow: hidden;
    margin-left: 10%;
    margin-top: 3%;

}

.form-1
{

    width: 80%;
    border: 2px solid black;
    margin-left: 10%;
    margin-top: -15px;
    border-radius: 10px;
}
.put
{
    margin-left: 10px;
    height: 50px;
    width: 15%;
    border-radius: 5px;
    font-size: 18px;
    padding: 5px;

}
.input
{
    margin-left: 2%;
    height: 50px;
    width: 40%;
    border-radius: 5px;
    font-size: 18px;
    padding: 5px;

}
.b1
{

    background-color: #0D47A1;
    color: white;
    font-size: 18px;
    border-radius: 5px;
    height: 30px;
    width: 80px;
    border: 2px solid #0D47A1;
    font-weight: bold;
}
.b2
{

    background-color: brown;
    margin-left: 100px;
    color: white;
    font-size: 18px;
    border-radius: 5px;
    height: 30px;
    width: 80px;
    border: 2px solid brown;
    font-weight: bold;

}
.B
{
    text-align: center;
    margin-top: 50px;

}
.container2
{
    margin-top: 50px;
    margin-left: 2%;
    font-size: 18px;

}
.container3
{
    margin: 4% 2% 0;
    display: flex;
    font-size: 18px;
}
.c
{
    flex: 1;
    display: inline-block;
}
.put1
{
    margin-left: 2%;
    height: 50px;
    width: 44%;
    border-radius: 5px;
    font-size: 18px;
    padding: 5px;
}
.ul-1
{
    font-size: 18px;
}
.node-1
{
    width: 80%;
    border: 2px solid black;
    margin-left: 10%;
    margin-top: -15px;
    border-radius: 10px;
}
.li-1
{
    margin-top: 15px;
}
.z
{
    display: inline-block;

}