* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: sans-serif;
}

body {
    height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.alert {
    width: 250px;
    height: 30px;
    background-color: #72a2a2;
    padding-left: 10px;
    padding-right: 10px;
    padding: 5px;
    color: #fff;
    position: fixed;
    left: 50%;
    top: 0;
    transform: translate(-50%,-50%);
    opacity: 0;
    visibility: hidden;
    font-size: 12px;
    transition: 300ms all;
    border-radius: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.alert.active {
    opacity: 1;
    visibility: visible;
    top: 30px;
}







h3 {
    font-size: 26px;
    font-weight: bold;
    color: #0C1226;
  }
.palette {
    display: flex;
    flex-direction: row;
    gap: 20px;
    margin-top: 40px;
}

.palette .color {
    width: 207px;
    height: 329px;
    background-color: #fff;
    border-radius: 20px;
    padding: 10px;
    display: flex;
    justify-content: space-between;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
    transition: 200ms all;
}
.palette .color:hover {
    transform: scale(1.02);
    box-shadow: 0px 10px 10px #0c122613;
}

.palette .color .span {
    width: 183px;
    height: 280px;
    display: block;
    background-color: #72a2a2;
    border-radius: 10px;
}
.palette .color .b {
    font-weight: 600;
    color: #0C1226;
    font-size: 16px;
}
.palette .color input{
     opacity: 0;
     position: absolute;
     left: 0;
}
button {
    width: 200px !important;
    height: 40px !important;
    outline: 0;
    border: 0;
    background-color: #72a2a2;
    color: #fff;
    font-weight: 500;
    border-radius: 5px;
    cursor: pointer;
    transition: 150ms background-color ease-in-out;
}

button:hover {
    background-color: #608a8a;
}


b {
    font-weight: 500;
    margin-top: 10px;
    font-size: 14px;
    color: #0c12268c;
}