/***** Backgrounds *****/
.bg-main {
    background-color: lightblue;
    color: white;
}
.body {
    background-color:#555;
}
.desc {
    font-size: 1.75rem;
}

@media (max-width: 768px) {
    .rounded-md {
        border-radius: 0.1rem;
    }

    .display-4 {
        font-size: 1.75rem;
    }

    img {
        width: 50px;
        height: 50px;
    }
}

.header .col-12:last-child {
    border-top: 1px solid aliceblue;
    text-align: center;
}

@media (min-width: 768px) {
    .header .col-12:last-child {
        border: 0px;
        text-align: left;
    }
}

/***** Typography *****/
.section-padding {
    padding-top: 50px;
    padding-bottom: 50px;
}

section .title {
    font-size: 2.75rem;
    font-weight: 300;
    text-align: center;
    margin-bottom: 30px;
}

/***** Box ****/
.box {
    position: relative;
    margin-left: auto;
    margin-right: auto;
    padding: 15px;
    margin-top: 10px;
    transition: all .3s ease;
}

    .box .title {
        padding-bottom: 10px;
        border-bottom: 1px solid darkblue;
        font-size: 2rem;
    }

    .box:hover {
        -webkit-box-shadow: 0px 2px 5px 0px rgba(0, 0, 0, 0.16);
        -moz-box-shadow: 0px 2px 5px 0px rgba(0, 0, 0, 0.16);
        box-shadow: 0px 2px 5px 0px rgba(0, 0, 0, 0.16);
        margin-top: 5px;
        margin-bottom: 5px;
    }

.form-control {
    background-image: linear-gradient(#00a9ff, #00a9fc), linear-gradient(rgb(210, 210, 210), rgb(211, 211, 211));
    background-size: 0 2px, 100% 1px;
    background-color: transparent;
    float: none;
    font-weight: 400;
    border-width: 0px;
    border-style: initial;
    border-color: initial;
    border-image: initial;
    background-repeat: no-repeat;
    background-position: left bottom, center calc(100% - 1px);
    transition: background 0.3s ease-out;
    border-radius: 0;
    font-size: 14px;
    line-height: 1.42;
    padding: 7px 0;
    margin-left: 20px;
}

.form-control:focus {
    background-image: linear-gradient(#00a9ff, #00a9fc), linear-gradient(rgb(210, 210, 210), rgb(211, 211, 211));
    background-size: 100% 2px, 100% 1px;
    background-color: transparent;
    box-shadow: none;
    transition-duration: 0.3;
    outline: none;
}

.input-group {
    margin-bottom: 15px;
}

.rounded-md {
    border-radius: 15px;
}

#topBtn {
    display: none;
    /* Hidden by default */
    position: fixed;
    /* Fixed/sticky position */
    bottom: 20px;
    /* Place the button at the bottom of the page */
    right: 15px;
    /* Place the button 30px from the right */
    z-index: 99;
    /* Make sure it does not overlap */
    border: none;
    /* Remove borders */
    outline: none;
    /* Remove outline */
    background-color: lightblue;
    /* Set a background color */
    color: white;
    /* Text color */
    cursor: pointer;
    /* Add a mouse pointer on hover */
    padding: 15px;
    /* Some padding */
    border-radius: 10px;
    /* Rounded corners */
    font-size: 18px;
    /* Increase font size */
}

    #topBtn:hover {
        background-color: #555;
        /* Add a dark-grey background on hover */
    }

.slider-group {
    text-align: center;
    margin-bottom: 35px;
}

.main-alert {
    position: relative;
/*    padding: .75rem 1.25rem;
    margin-bottom: 1rem;
    border: 1px solid transparent;*/
    font-size: small;
    border-radius: .25rem
}