* {
    margin: 0;
    box-sizing: border-box;
    font-family: Product Sans;
}
body {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}
header {
    height: 35vh;
    width: 50%;
    padding: 40px;
    font-size: 130px;
    font-weight: 900;
    display: flex;
    align-items: center;
}
main {
    width: 50%;
    height: 65vh;
    padding: 40px;
}
.options {
    width: 100%;
    padding: 20px;
}
.options span {
    font-size: 26px;
    font-weight: 900;
}
.lengthContainer {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}
.checkboxContainer {
    display: flex;
    /* justify-content: center; */
    align-items: center;
}
.checkbox {
    /* background-color: aquamarine; */
    border: 1px solid #e7e5e2;
    border-radius: 50px;
    margin: 10px;
    padding: 5px 15px;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: .3s all;
    cursor: pointer;
    background-color: #3fe1b0;
    color: #20123a;
}
/* .checkbox:hover {
    background-color: #3fe1b0;
    color: #20123a;
} */
.checkbox input {
    display: none;
    margin: 0 10px;
}
.unchecked {
    background-color: white;
    color: black;
}
.length {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 4px;
    margin: 30px 20px;
    background: #e7e5e2;
    outline: none;
    transition: .3s all;
}
.length:hover {
    background-color: #20123a;
}
.length::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #3fe1b0; /* Green background */
    cursor: pointer;
    transition: .3s all;
}
.length::-webkit-slider-thumb:hover {
    background: #3fe1b0; /* Green background */
    width: 24px;
    height: 24px;
    transition: .3 all;
}
.genContainer{ 
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    /* background-color: red; */
    padding: 20px;
}
.gen{
    height: 10vh;
    width: 60%;
    background-color: #3fe1b0;
    color: #20123a;
    margin: 20px;
    border-radius: 10px;
    display: flex;
    justify-content: center;
    align-items: center;
}
.gen span {
    font-size: 30px;
}
button {
    border: 2px solid rgb(192, 192, 192);
    /* border: none; */
    background-color: white;
    color: black;
    border-radius: 10px;
    padding: 20px;
    font-size: 26px;
    font-weight: 500;
    transition: .3s all;
}
button:hover {
    background-color: #0060df;
    /* background-color: rgb(68, 0, 255); */
    color: white;
    border: none;
}
@media only screen and (max-width: 600px) {
    header {
        width: 100%;
        height: 30vh;
        font-size: 72px;
        flex-direction: column;
        padding: 0px;
        justify-content: center;
        display: flex;

    }
    main {
        width: 100%;
        height: 70vh;
        padding: 10px;
        /* margin: 10px; */
        position: relative;
    }
    .options {
        overflow: hidden;
        padding: 0px;
    }
    .checkboxContainer {
        overflow-x: scroll;
        margin: 20px;
    }
    .checkbox {
        margin: 5px;
        padding: 5px 10px;
    }
    .gen {
        width: 100%;
        margin: 0;
    }
    button {
        border: none;
        border-radius: 10px 10px 0 0;
        position: absolute;
        bottom: 0;
        background-color: #0060df;
        width: 100%;
        color: white;
    }
}