/* Chrome, Safari, Edge, Opera */
input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

/* Firefox */
input[type=number] {
    -moz-appearance: textfield;
}

.myForm {
    min-width: 500px;
    position: absolute;
    text-align: center;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 1.5rem
}

@media (max-width: 500px) {
    .myForm {
        min-width: 90%;
    }
}
.round {
    border-radius: 50%;
    width: 24px;
    height: 24px;
    font-size: 12px;
    font-weight: bold;
}
.red {
    color: red;
    border: 4px solid red;
}
.green {
    color: green;
    border: 4px solid green;
}
.orange {
    color: orange;
    border: 4px solid orange;
}