.container{
    background-color: rgb(206, 200, 200);
    margin: auto;
    width: 40%;
    text-align: center;
    border-radius: 10px;
    height: 150px;
}
input{
    padding: 10px 0px;
    width: 90%;
    margin: 10px 0px;
    border: none;
    font-size: 15px;
}
input:focus{
    outline: none;
}
.spans span {
    background-color: darkcyan;
    color: white;
    border-radius: 10px;
    padding: 4px;
    cursor: pointer;
}

.spans{
    display: flex;
    justify-content: space-around; 
}
.result-span{
    background-color: white;
    padding: 10px 0px;
    width: 90%;
    margin: 10px auto;
    border: none;
    font-size: 15px;
    margin-bottom: 30px;
}
.result-span span span {
    color:red;
    font-size: 20px;
}