body {
    top: 0;
    margin: 0;
    padding: 0;
    font-family: 'Montserrat';

}

header {
    z-index: 10;
}

.home {
    width: 100%;
    height: 100vh;
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url("1.jpg") center;
    background-size: cover;
    text-align: center;
    color: white;
    display: flex;
    flex-direction: column;
    justify-content: center;
    flex-grow: 1;

}

.logo {
    float: left;
    font-size: 25px;
    color: #fff;
    margin: 5px;
    background: lawngreen;
    font-weight: bold;
    padding-left: 25px;
    padding-right: 25px;
    animation: beat 3s linear infinite;
    line-height: 60px;

}

.floating_button{
    position: fixed;
    bottom: 25px;
    right: 25px;
    cursor: pointer;
    z-index: 10;
    transition: 5s;

}

.logo_black {
    float: left;
    color: #fff;
    border-radius: 100%;
    font-weight: bold;
    padding-left: 20px;
    padding-right: 20px;
    line-height: 60px;

}

.profile-photo img {
    border: 5px solid white;

}
.profile-photo img:hover{
    border:5px solid #1d2124;
}
.profile_button {
    text-align: center;
}

.collapsible_wrapper {
    width: 100%;
    font-size: 18px;
}

.progress_container {
    margin-top: 15px;
}

@keyframes beat {
    0% {
        transform: scale(1, 1);
        background: lawngreen;
    }
    25% {
        transform: scale(1, 1);
        background: yellow;
    }
    50% {
        transform: scale(0.95, 0.95);
        background: red;
    }
    75% {
        transform: scale(1, 1);
        background: yellow;
    }
    100% {
        transform: scale(1, 1);
        background: lawngreen;
    }

}

nav {
    width: 100%;
    position: fixed;
    background-color: transparent;
    z-index: 5;

}

nav.nav_black ul {
    padding-right: 75px;
    margin-top: auto;
    background-color: #FF5722;
    line-height: 60px;

}

nav ul {
    text-align: right;
    padding-right: 75px;
    margin-top: auto;
    line-height: 80px;
    transition: 0.5s;

}

nav ul li {

}

nav ul li a {
    text-decoration: none;
    padding: 12px;
    font-size: 11px;
    color: #fff;
    text-transform: uppercase;
}

nav ul li a:hover {
    background-color: rgba(222, 222, 222, 0.5);
    color: #fff;
    border-radius: 5px;
    text-decoration: none;
}

.content {
    width: 80%;
    line-height: 1.5;
    margin: 1em auto;
    text-align: justify;
}

.message_box {
    padding: 18px;
    width: 100%;
    resize: none;
    border-radius: 15px;
    border: 1px solid #e3e3e3;
}

.message_box::placeholder {
    color: #6d6d6d;
}