h1 {
    text-align: center;
    font-size: 30pt;
    animation: ani 1.5s forwards;
}

h2 {
    text-align: center;
    font-size: 20pt;
    animation: ani 1.5s forwards;
}

.image {
    width: 40%;
    margin: 0 auto;
    box-sizing: border-box;
    padding: 20px;
    animation: ani 1.5s forwards;
}

.aem {
    font-size: 16px;
    text-align: justify;
    font-family: serif;
    animation: ani 1.5s forwards;
}

.tabs__item {

    display: none;
    margin: auto;
    box-sizing: border-box;
    padding: 20px;
    animation: ani 1.5s forwards;
}

.tabs__item.active {
    display: block;
    animation: ani 1.5s forwards;
}
body {
    animation: ani 1.5s forwards;
}
@keyframes ani {
    0% {opacity: 0;}
    100% {opacity: 1;}
  }

.btn {
    background-color: #2196F3;
    color: white;
    padding: 16px;
    font-size: 16px;
    border: none;
    outline: none;


}

.dropdown {
    position: absolute;
    display: inline-block;
    margin-left: 45%;

}

.dropdown-content {
    display: none;
    position: top;
    background-color: #f1f1f1;
    min-width: 160px;
    z-index: auto;
    margin: auto;

}
.dropdown-content a {
    color: black;
    padding: 12px 16px;
    text-decoration: none;
    display: block;
}

.dropdown-content a:hover {background-color: #ddd}
.dropdown:hover .dropdown-content {
    display: block;
}

.btn:hover, .dropdown:hover .btn  {
    background-color: #0b7dda;
}

input {
    margin: .4rem;
}
.size {
    animation: ani 2.5s forwards;
    padding: 1px;
    margin-left: 1%;

}
.col {
    background-color: #0b7dda ;
    color: white; 
    font-size: 16;
}
c {
    background-color: #0b7dda;
    color: rgb(255, 255, 255);
    font-size: 32px;
    padding: 12px;
    left: 0%;
    text-align: center;
    position: relative;
}