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

body {
    background-color: #002338;
    color: #ffffff;
}

.container {
    margin: 12%;
    width: 90%;
    max-width: 700px;
}

.display {
    width: 100%;
    margin-top: 50px;
    margin-bottom: 30px;
    background-color: #ffffff;
    color: #333;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 26px 20px;
    border-radius: 5px;
}

.container h1 {
    font-weight: 500;
    font-size: 45px;
}

.container h1 span {
    color: #019f55;
    border-bottom: 4px solid #019f55;
    padding-bottom: 7px;
}

.display img {
    width: 30px;
    cursor: pointer;
}

.display input {
    border: 0;
    outline: 0;
    font-size: 24px;
}

.container button img {
    width: 28px;
    margin-right: 10px;   
}

.container button {
    border: 0;
    outline: 0;
    background-color: #019f55;
    color: #ffffff;
    font-size: 22px;
    font-weight: 300;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px 26px;
    border-radius: 5px;
    cursor: pointer;
}

#toast {
    display: none;
    position: fixed;
    bottom: 580px;
    left: 50%;
    transform: translateX(-50%);
    background-color: rgba(0, 0, 0, 0.7);
    color: #fff;
    padding: 10px 20px;
    border-radius: 5px;
    z-index: 1000;
}

@media screen and (max-width: 600px) {
    .container {
        margin: 20px;
        margin-top: 70px;
    }
    .container h1 {
        font-size: 32px;
    }
    .container button {
        font-size: 18px;
        padding: 12px 20px;
    }
    .display {
        padding: 16px 12px;
    }
    .display img {
        width: 24px;
    }
    #toast {
        bottom: 20px;
    }
}

@media screen and (min-width: 601px) {
    .container {
        margin: 8%;
    }
    .container h1 {
        font-size: 40px;
    }
    .container button {
        font-size: 20px;
        padding: 14px 24px;
    }
    .display {
        padding: 20px 16px;
    }
}