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

body{
    background-color: #e0e0e0;
    max-height: 100vh;
}

#heading{
    padding: 20px;
    width: 100%;
    text-align: center;
}

.container{
    height: 90vh;
    max-width: 100vw;
    width: 95%;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    padding: 20px 0;
}

.bars-container{
    width: 70rem;
    margin-top: 20px;
    display: flex;
    flex-direction: row;
}

.bar{
    width: 20px;
    background-color: aqua;
    border-radius: 4px;
}

.buttons-container > button, select{
    width: 200px;
    height: 30px;
    background-color: #677685;
    border: none;
    margin: 20px 10px;
    border-radius: 8px;
    color: #fff;
    font-size: 15px;
    text-align: center;
    transition: 0.2s ease-in-out;
    cursor: pointer;
}

button:hover{
    background-color: #56697b;
}

#footer{
    width: 100%;
    text-align: center;
    color: #677685;
    font-size: inherit;
}

@media only screen and (max-width: 1112px){

    body{
        height: 50vh;
    }

    .bars-container{
        width: 55rem;
    }

    .buttons-container{
        display: grid;
        align-items: center;
        justify-content: space-between;
    }

}

@media only screen and (max-width: 900px) {
    .bars-container{
        width: 40rem;
    }
}

@media only screen and (max-width: 650px) {

    #heading{
        font-size: .85em;
    }

    .bars-container{
        width: 25rem;
    }

    .buttons-container{
        display: flex;
        flex-direction: column;
    }

}