html, body{
    min-height:100%;
    height: 100%;
}
.footer{
    clear: both;
    position: relative;
    /* height: 40px; */
    /* margin-top: -40px; */
    margin-top: 10px;
    background-color: rgb(83, 255, 221);
    color: black;
    /* text-align: center; */
    padding: .5rem;   
}

.colorred{
    color: red;
    font-weight: bold;
}

.smthing{
    border: 2px solid grey; 
    padding: 15px;  
    border-radius: 10px; 

}

.smthing:hover{
    border: 2px solid black; 
    box-shadow: 2px 2px black;
    cursor: pointer;
}

a {
    color: green;
}