body {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background-color: hsl(185, 41%, 84%);
    font-family: "Space Mono", serif;
    font-weight: 700;
    font-style: normal;
    font-size: 24px;
}

p {
    margin: 0;
}

.box {
    background-color: hsl(0, 0%, 100%);
    border-radius: 10px 10px 0 0;
    padding: 30px 20px;
    width: 370px;
}

.cyan-bg {
    background-color: hsl(172, 67%, 45%);
    color: hsl(183, 100%, 15%);
}

.dark-cyan-col {
    color: hsl(184, 14%, 56%);
}

.strong-cyan-col {
    color: hsl(172, 67%, 45%);
}


/* remove number spin in the form */

input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

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

input {
    border: none;
    background-color: hsl(189, 41%, 97%);
    color: hsl(183, 100%, 15%);
    text-align: right;
    padding: 3px 10px;
}

input[type=number]:focus {
    outline-color: hsl(172, 67%, 45%);
}

.input-form {
    position: relative;
}

.input-p {
    position: absolute;
    left: 15px;
}

button {
    width: 100%;
    border: none;
    height: 35px;
    border-radius: 5px;
}

.tip-btn {
    background-color: hsl(183, 100%, 15%);
    color: hsl(0, 0%, 100%);
}

.selected {
    background-color: hsl(172, 67%, 45%);
}

.amount-card {
    background-color: hsl(183, 100%, 15%);
    border-radius: 10px;
    padding: 20px;
}

.reset-btn {
    margin-top: 50px;
}

@media (min-width:998px) {
    .box {
        width: 950px
    }
}