.comp{
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    gap: 10px;
}

.comp select{
    width: 40%;
}

.formula hr{
   /* opacity: 0; */
}

@media(max-width:500px) {
    .comp select{
        border-radius: 1%;
        text-indent: 30%;
    }
}