*{
    margin: 0;
    padding: 0;
    font-family: 'Baloo Bhai 2', cursive;
}
#head_conv{
    text-align: center;
    margin: 30px;
    font-size: 40px;
    color: rgb(5, 65, 21);
}
#head_cal{
    text-align: center;
    margin: 30px;
    font-size: 40px;
    color: rgb(65, 9, 5);
}
.select{
    text-align: center;
    font-size: 27px;
}
.input{
    text-align: center;
    padding: 40px;
}
#input_data{
    width: 400px;
    height: 50px;
    outline: none;
    border: none;
    background: #e7e7e7;
    border-radius: 4px;
    font-size: 20px;
    padding: 10px;
}
#input_data1{
    width: 400px;
    height: 50px;
    outline: none;
    border: none;
    background: #e7e7e7;
    border-radius: 4px;
    font-size: 20px;
    padding: 10px;
    margin-right: 4px;
}
#input_data2{
    width: 400px;
    height: 50px;
    outline: none;
    border: none;
    background: #e7e7e7;
    border-radius: 4px;
    font-size: 20px;
    padding: 10px;
}
.button{
    text-align: center;
    margin-top: 20px;
}
#btn{
    font-weight: bold;
    font-size: 18px;
    padding: 5px 15px;
    margin: 16px;
    border-radius: 5px;
    background-color: rgb(8, 37, 181);
    border: none;
    color: white;
    outline: none;
}
#btn:hover{
    background-color: rgb(205, 99, 42);
    cursor: pointer;
}
#refresh{
    font-weight: bold;
    font-size: 18px;
    border-radius: 5px;
    padding: 5px 15px;
    margin: 16px;
    background-color: rgb(11, 154, 20);
    color: white;
    outline: none;
    border: none;
}
#refresh:hover{
    background-color: rgb(214, 39, 39);
    cursor: pointer;
}
#calculate{
    font-weight: bold;
    font-size: 18px;
    padding: 5px 15px;
    margin: 16px;
    border-radius: 5px;
    background-color: rgb(2, 28, 74);
    border: none;
    color: white;
    outline: none;
}
#calculate:hover{
    background-color: rgb(7, 126, 57);
    cursor: pointer;
}
#refresh1{
    font-weight: bold;
    font-size: 18px;
    padding: 5px 15px;
    margin: 16px;
    border-radius: 5px;
    background-color: rgb(93, 5, 59);
    border: none;
    color: white;
    outline: none;
}
#refresh1:hover{
    background-color: rgb(214, 39, 39);
    cursor: pointer;
}

#output{
    margin: auto;
    width: 400px;
    height: 50px;
    outline: none;
    border: none;
    background: #e7e7e7;
    border-radius: 4px;
    font-size: 20px;
    padding: 10px;
}
#output p{
    opacity: 0.5;
}
#from_select{
    margin: 20px;
    padding: 5px 10px;
    background: rgb(1, 42, 39);
    color: white;
    border: none;
    font-size: 19px;
    border-radius: 5px;
}
#to_select{
    margin: 20px;
    padding: 5px 10px;
    background: rgb(9, 3, 84);
    color: white;
    border: none;
    border-radius: 5px;
    font-size: 19px;
}
#op_base_select{
    margin: 20px;
    padding: 5px 10px;
    background: rgb(3, 125, 19);
    color: white;
    border: none;
    border-radius: 5px;
    font-size: 19px;
}
#opeartion_select{
    margin: 20px;
    padding: 5px 10px;
    background: rgb(0, 101, 108);
    color: white;
    border: none;
    border-radius: 5px;
    font-size: 19px;
}
#output1{
    margin: auto;
    width: 400px;
    height: 50px;
    outline: none;
    border: none;
    background: #e7e7e7;
    border-radius: 4px;
    font-size: 20px;
    padding: 10px;
}
#output1 p{
    opacity: 0.5;
}
footer{
    text-align: center;
    font-size: 17px;
    font-weight: bold;
    margin-top: 15px;
}
footer a{
    text-decoration: none;
}