style.css

.flexbox {
    display: flex;
    flex-direction: column;
    width: 100%;
    align-items: center;
    justify-content: center;
    height: 80vh;
    min-height: 500px;
}

.flexbox2 {
    display: flex;
    width: 50%;
    justify-content: center;
}

h1 {
    font-size: 5rem;
}

h1,
h2 {
    color: sandybrown;
}

.random-custom {
    box-shadow: 2px 2px 5px rgba(128, 128, 128, 0.2);
    text-align: center;
    font-size: 25px;
    color: slategrey;
    padding: 2px 10px;
    border-radius: 5px;
    border: 2px solid slategrey;
}

.picker-container {
    margin: 50px 30px;
}

#hecaWrapper {
    width: 50%;
    height: 10vh;
    display: flex;
    justify-content: center;

}

.snippet {
    justify-content: center;
    margin: 0;
    margin-top: 20px;
    font-size: 20px;
    color: sandybrown;
    display: flex;
    align-items: center;
    position: relative;
}

.h-color {
    border: 1px solid sandybrown;
    background-color: rgba(255, 255, 255, 0.2);
    color: sandybrown;
    border-radius: 4px;
    width: 40vw;
    height: 30px;
    font-size: 20px;
    text-align: center;
    margin: 0 6px;
}

.btn-custom {
    position: absolute;
    color: slategrey;
    padding: 2px 6px;
    font-size: 1.5rem;
    left: 98%;
    border-radius: 5px;
    border: 2px solid slategrey;

}

.display-none {
    display: none;
}

.message {
    background-color: rgba(255, 255, 255, 0.2);
    border: 1px solid sandybrown;
    padding: 2px 5px;
    font-size: .6rem;
    position: absolute;
    left: 99%;
    bottom: 37px;
}