style.css

@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;500;700&display=swap');


* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: lightblue;
    font-family: 'Roboto', sans-serif;
}

.container {
    background-color: #fff;
    border-radius: 20px 20px 100px 20px;
    padding: 40px 60px 40px 40px;
}

.date-container {
    display: flex;
    gap: 50px;
    border-bottom: 1px solid lightgray;
    padding-bottom: 20px;
    margin-bottom: 50px;
}

.date-container span,
.date-container input {
    display: block;
    color: gray;
}

input {
    width: 150px;
    padding: 10px;
    font-size: 2rem;
    border: none;
    border: 1px solid lightgray;
    border-radius: 5px;
    outline: none;
}

input.error {
    border: 1px solid red;
}

input:focus {
    border: 1px solid rgb(134 76 255);
}

.date-container span {
    margin-bottom: 5px;
    font-size: 1.2rem;
    text-transform: uppercase;
}

.date-container .errorInfo {
    color: red;
    font-size: 15px;
    margin-top: 10px;
    display: none;
}

input.error + .errorInfo {
    display: block;
    animation: shake 0.1s;
}
@keyframes shake {
    0% {transform: translateX(0px);}
    50% {transform: translateX(10px);}
    70% {transform: translateX(-10px);}
    100% {transform: translateX(0px);}

}

button {
    border: none;
    background: rgb(134 76 255);
    width: 100px;
    height: 100px;
    border-radius: 50%;
    cursor: pointer;
    position: relative;
    top: 70px;
    transition: 0.2s ease;
}

button:hover {
    background-color: #000;
}

.results {
    display: flex;
    align-items: center;
    gap: 15px;
}

.results span,
.results p {
    font-size: 5rem;
    font-style: italic;
    font-weight: 900;
}

.results span {
    color: rgb(134 76 255);
}