* {
    box-sizing: border-box
}

body {
    font-family: "Arial Unicode MS", sans-serif;
    line-height: 1.4;
    background: #f0f0f0;
}

p {
    color: black;
    font-size: 14px;
    line-height: 160%;
}

h1,
h2,
h3,
h4,
h5 {
    text-transform: uppercase;
    font-weight: bolder
}

h4 {
    font-size: 25px;
}

body {
    overflow-x: hidden;
}

#preloader {
    position: fixed;
    left: 0;
    top: 0;
    z-index: 999;
    width: 100%;
    height: 100%;
    overflow: visible;
    background: #fff url('../images/preloader.svg') no-repeat center center;
}

i:hover {
    color: #3b933b;
}

.container {
    width: 100%;
}

.black {
    background: black;
    opacity: 0.7;
}

/* Back to top button */
.back-to-top {
    position: fixed;
    display: none;
    background: rgba(92, 184, 92, 0.66);
    color: #ffffff;
    padding: 5px 3px;
    font-size: 35px;
    border-radius: 2px;
    right: 15px;
    width: 50px;
    bottom: 25px;
    transition: background 0.5s;
}

.back-to-top i {
    color: darkred;
}

@media (max-width: 768px) {
    .back-to-top {
        bottom: 15px;
    }
}

.back-to-top:focus {
    background: rgba(92, 184, 92, 0.33);
    color: rgba(96, 184, 92, 0.42);
    outline: none;
}

.back-to-top:hover {
    background: #03C4EB;
    color: #fff;
}

#header{
    background: black; 
}
/* the style for the hospital page */

.app_info {
    margin: 100px 10px;
}

.app_info .about {
    display: flex;
    width: 100%;
    margin-bottom: 80px;
}

.app_info .about .content {
    width: 50%;
    padding: 30px;
}

.app_info .about .content h3 {
    text-align: center
}

.app_info .about img {
    width: 50%;
    padding: 20px;
}

.app_info .uses {
    margin: 10px 10px 50px 10px;

}

.app_info .uses h3 {
    text-align: center;
}

.app_info .uses ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-wrap: wrap;
}

.app_info .uses ul li {
    padding: 30px;
    max-width: 50%;
}

.app_info .uses ul li i {
    text-align: center;
    display: block;
    color: #4e86b6;
    font-size: 40px;
}

.app_info .uses ul li h4 {
    text-align: center;
}

.app_info .features {
    margin-bottom: 0px;
}
.app_info .features h3{
    text-align: center;
    margin-bottom: 50px;
}
.app_info .features ul {
    list-style: none;
}

.app_info .features ul li {
    margin-bottom: 300px;
    position: relative;
    margin-left: 7%;
}

.app_info .features ul li img {
    width: 70%;
    border-radius: 10px;
}

.app_info .features ul li div {
    width: 60%;
    background: #2c70aa;
    height: 300px;
    position: absolute;
    top: 70%;
    left: 30%;
    padding: 0 40px;
    text-align: center;
    border-radius: 10px;
    box-shadow: 1px 1px 10px black;
}

.app_info .features ul li div:nth-child(1) {
    background: #d89842;
}

.app_info .features ul li div h4 {
    text-align: center;
    padding-top: 40px;
    color: white;
}

.app_info .features ul li div p {
    color: white;
}

.projucts {
    margin: 70px 0;
}

.projucts h3 {
    text-align: center;
    margin-bottom: 50px;
}

.projucts p.main-p {
    margin: 2px 1px;
    text-align: center;
    font-size: 15px;
}

#contact .contact-intro h3 {
    margin-top: 60px;
    text-decoration: underline;
    text-decoration-color: #4e86b6
}

#contact .contact-intro p {
    margin-top: 20px;
}

#contact .con {
    margin-top: 20px;
}

#contact .con .info div {
    position: relative;
}

#contact .con .info i {
    position: absolute;
    top: 5px;
    left: -25px;
    color: #4e86b6;
    font-size: 15px
}

#contact .contact-intro h3 {
    margin-top: 60px;
}

#contact .contact-intro p {
    margin-top: 15px;
}

#contact .con {
    margin-top: 15px;
}

#contact .con .info div {
    margin: 0 0 0 30px
}

#contact .con textarea {
    height: 100px
}

#contact .con .btn {
    padding: 5px;
    background: #4e86b6;
}

footer {
    margin-top: 0px;
    background: #4e86b6;
}

footer p {
    color: white;
    font-family: cursive;
}

.back-to-top i {
    color: black;
}




@media (max-width: 720px) {

    p {
        color: black;
        font-size: 15px;
    }

    h4 {
        font-size: 22px;
    }


    .app_info .about {
        flex-wrap: wrap;
    }

    .app_info .about .content {
        width: 100%;
    }

    .app_info .about img {
        width: 100%;
        padding: 30px 40px;
    }

    .app_info .uses ul li {
        padding: 10px
    }

    .app_info .features ul {
        margin: 0;
        padding: 0;
        text-align: center;
    }

    .app_info .features ul li div {
        left: 25%;
        z-index: 1;
    }

    .app_info .features ul li img {
        position: relative;
        right: 10%;

    }

    #contact {
        margin: 10px;
        padding: 0px 0px;
    }
}

@media (max-width: 480px) {

    p {
        color: black;
        font-size: 15px;
    }

    h4 {
        font-size: 18px;
    }


    .back-to-top {
        bottom: 70px;
        padding: 0;
        margin: 0;
        font-size: 25px;
    }

    .nav {
        display: none;
    }

    .nav-btn {
        display: block !important;
    }
    .app_info{
        margin-top: 50px;
    }
    .app_info .about {
        flex-wrap: wrap;
    }

    .app_info .about .content {
        width: 100%;
    }

    .app_info .about img {
        width: 100%;
        padding: 20px 40px;
    }

    .app_info .uses ul li {
        padding: 20px 10% ;
        max-width: 100%;
    }

    .app_info .features ul {
        margin: 0;
        padding: 0;
        text-align: center;
    }

    .app_info .features ul li div {
        left: 10%;
        z-index: 1;
        top: 90%;
        width:80%;
        height: auto;
        padding-bottom: 25px;
    }
    .app_info .features ul li div h4{
        padding-top: 20px;
    }

    .app_info .features ul li img {
        position: relative;
        right: 10%;

    }


    . #contact {
        margin: 10px 0 0 0 !important;
        padding: 0px 0px;
    }
}

@media (max-width: 240px) {
    p {
        font-size: 14px
    }

    h1 {
        font-size: 22px !important;
    }

    h2 {
        font-size: 20px !important;
    }

    h3 {
        font-size: 18px !important;
    }

    h4 {
        font-size: 18px !important;
    }
}

/* 
 for devices with small view port height