html,
body {
    height: 100%;
}

.btn {
    border-radius: 50px;
}

.form-control {
    border-radius: 50px;
}

.form-control:focus {
    border-color: #4d5154;
    box-shadow: 0 0 0 0.25rem rgba(80, 81, 84, 0.25);
}

input[type=number]::-webkit-inner-spin-button,
input[type=number]::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

hr {
    width: 50%;
    margin-left: 25%;
    margin-right: 25%;
}