html,
body {
    margin: 0;
    padding: 0;
    font-family: 'Roboto', sans-serif;
}

.section {
    padding-top: 5em;
    padding-bottom: 5em;
}

.section-title {
    font-size: 2em;
    text-transform: uppercase;
    font-weight: 700;
}

.section-sub-title {
    font-size: 4em;
    font-weight: 600;
    margin-top: 0.8em;
}

.first-section {}

.paragraph {
    font-size: 2em;
    margin-bottom: 2em;
}

.our-services {
    font-size: 1.3em;
    font-weight: 600;
    margin: 5em;
}

.second-section {
    background-color: rgb(168, 186, 211);
    padding-top: 2em;
    padding-bottom: 2em;
}

.second-section img {
    max-height: 100%;
    max-width: 100%;
}

.third-section {}

.third-section p {
    padding: 4em;
    font-size: 1.5em;
    background-color: rgb(168, 186, 211);
    border-radius: 1em;
}

.fourth-section {
    background-color: rgb(168, 186, 211);
    margin-bottom: 0;
}

.extinguisher-types {
    font-size: 2em;
    list-style-type: none;
}

.extinguisher-types li {
    margin: 1em;
    padding: 1em;
    text-align: center;
    background-color: rgb(247, 250, 255);
    border-radius: 1em;
}

.extinguisher-types li:hover {
    cursor: pointer;
}

.extinguisher-types li.active {
    background-color: rgb(168, 186, 211);
}

.extinguisher-types li.active:hover {
    background-color: rgb(168, 186, 211);
    cursor: default;
}

.phone-number,
.email {
    margin-bottom: 0.5em;
    font-size: 1.2em;
}

.company-name {
    margin-top: 2em;
    font-size: 1.2em;
    font-weight: 500;
}

.contact-form {
    display: flex;
    flex-direction: column;
    margin-top: 2em;
    margin-bottom: 2em;
}

.contact-form input,
textarea {
    border-radius: 1em;
    border-style: none;
    height: 5em;
    padding: 1em;
    outline: none;
    max-width: 100%;
}

.contact-form .form-row {
    margin-bottom: 1.5em;
}

.contact-form label {
    font-size: 1.2em;
    margin-bottom: 0.8em;
}

.contact-form #message {
    height: 12em;
}

.submit-btn {
    background-color: #000000;
    color: #ffffff;
    height: 3em;
    border-radius: 3em;
    border-style: none;
    font-size: 1.3em;
}

.submit-btn:hover {
    background-color: #3d3d3d;
}

.w-45 {
    width: 45%;
}

.w-48 {
    width: 48%;
}

.w-50 {
    width: 50%;
}

.w-100 {
    width: 100%;
}

@media only screen and (max-width: 1400px) {
    body {
        font-size: 0.9em;
    }
}

@media only screen and (max-width: 1200px) {
    body {
        font-size: 0.8em;
    }
}

@media only screen and (max-width: 992px) {
    body {
        font-size: 0.7em;
    }

    .fourth-section {
        flex-direction: column-reverse;
        padding-bottom: 8em;
    }

}