.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px;
    background-color: #0b3d5f;
    color: #fff;
}

.nav-links a {
    color: #fff;
}

.nav-links {
    list-style-type: none;
}

.menu {
    display: flex;
    gap: 1em;
    font-size: 18px;
}

.menu li:hover {
    background-color: #427496;
    border-radius: 5px;
    transition: 0.3s ease;
}

.menu li {
    padding: 5px 14px;
}

.subcategory {
    position: relative;
}

.dropdown {
    background-color: rgb(76, 128, 163);
    padding: 1em 0;
    position: absolute;
    display: none;
    border-radius: 8px;
    top: 35px;
}

.dropdown li+li {
    margin-top: 10px;
}

.dropdown li {
    padding: 0.5em 1em;
    width: 8em;
    text-align: left;
}

.dropdown li:hover {
    background-color: #5083a5;
}

.subcategory:hover .dropdown {
    display: block;
}

.menu li a {
    text-decoration: none;
}

.arrow {
    border: solid white;
    border-width: 0 3px 3px 0;
    display: inline-block;
    padding: 3px;
    margin-bottom: 3px;
    margin-left: 2px;
}

.down {
    transform: rotate(45deg);
    -webkit-transform: rotate(45deg);
}

body {
    margin: 0;
    padding: 0;
    font-family: sans-serif;
    background-color: #ecf0f1;
   
}

#app {
    position: absolute;
    height: 200px;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -20%);
    padding: 6px 14px;
    background-color: #f5f6fa;
    box-shadow: 2px 2px 20px rgba(0, 0, 0, 0.3);

}

h3 {
    font-size: 28px;
    color: #3498db;
    letter-spacing: 1px;

}

.container {
    position: relative;
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    justify-content: center;
    align-items: center; 

}

.container input[type="text"] {
    height: 46px;
    width: 80%;
    border: none;
    font-size: 22px;
    padding-left: 10px;
    transition: all .3s ease-in-out;

}

.container button {
    height: 50px;
    width: 100px;
    border: none;
    font-size: 20px;
    background-color: #3498db;
    color: #fff;
    cursor: pointer;
    transition: all .3s ease-in-out;

}

.container button:hover {
    opacity: 0.86;

} 

::placeholder {
    color: #bdc3c7;

}

.container input[type="text"]:focus {
    outline: none;
    box-shadow: inset 2px 2px 6px rgba(0, 0, 0, 0.2);

} 

.list {
    position: absolute;
    width: 100%;
    display: flex;
    flex-direction: column;
    left: -40px;

}

.list li {
    background-color: #3498db;
    text-align: center;
    height: 40px;
    color: #fff;
    font-size: 22px;
    line-height: 38px;
    margin-top: 1px;
    list-style: none;
    position: relative;
    
}

.list li i {
    position: absolute;
    top: 0;
    bottom: 0;
    right: 0;
    width: 40px;
    text-align: center;
    line-height: 38px;
    background-color: #e74c3c;
    transition: all .2s linear;
    cursor: pointer;

}

 .list li i:hover {
     background-color: #c0392b;

 }

 @media screen and (max-width:720px) {
     #app {
         width: 400pxs;
     }
 }