body {
    padding: 0;
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
}

.navbar {
    width: calc(100% - 50px);
    padding: 25px;
}

.icon {
    width: 46px;
    margin: 0 16px;
}

.navbar,
.left {
    display: inline-flex;
    align-items: center;
    align-content: center;
}

.right {
    margin-left: auto;
}

.subtitle {
    color: #444;
    margin-left: 10px;
}

.btn,
.link {
    text-decoration: none;
    margin: 10px;
    background-color: #ffd374;
    color: black;
    font-weight: bold;
    font-size: 17px;
    padding: 10px;
    border-radius: 10px;
    border: none;
    outline: none;
    cursor: pointer;
    transition: all .2s ease-in-out;
}

.btn:disabled {
    background-color: #aaa;
}

.container {
    width: 80%;
    margin: auto;
}

.panel-list {
    display: inline-flex;
    align-content: space-between;
    width: 100%;
}

.panel {
    margin: auto;
    display: inline-block;
    width: 40%;
}

textarea {
    border: 2px solid #444;
    border-radius: 10px;
    width: 100%;
    padding: 10px;
    font-size: 18px;
    transition: all .2s ease-in-out;
    display: block;
}

textarea:focus {
    border: 2px solid #ffd374;
    outline: none;
}

a {
    color: #ffd374;
    text-decoration: none;
    font-weight: bold;
}

.range {
    display: inline-block;
}

/* Mobile support */
@media screen and (max-width: 986px) {
    .panel-list {
        display: block;
    }

    .panel {
        display: block;
        width: 100%;
    }

    .range {
        display: block;
        width: 100%;
        padding: 5px;
        margin-top: 10px;
        text-align: center;
    }
}

@media screen and (max-width: 831px) {
    .navbar {
        text-align: center;
    }

    .subtitle {
        margin: 0;
    }

    .container {
        width: 90%;
    }

    textarea {
        width: 90%;
    }

    .navbar,
    .left {
        display: inline-block;
    }

    .right {
        margin-top: 20px;
        display: block;
    }

    .btn,
    .link {
        margin: 0;
        margin-right: 10px;
        margin-top: 10px;
    }

    .btn {
        width: 100%;
    }

    h2 {
        text-align: center;
    }
}