@media screen 
  and (min-device-width: 450px)  
   {
    .elem{
        padding-left: 3vh;  
    }

    .name_elem {
        font-size : 3vh;
    }

    #text_interface{
        font-size : 7vh;
    }

    .floating-image--top {
        top: -8vh;  
        width:  40vh;  
    }

    .floating-image--bottom {
        bottom: -18vh; 
    } 
}

@media screen 
  and (max-device-width: 449px)   
  {
    .elem{
        padding-left: 3vh;  
    }

    .name_elem {
        font-size : 3vh;
    }

    #text_interface{
        font-size : 7vh;
    }

    .floating-image--top {
        top: -8vh;  
        width:  40vh;  
    }

    .floating-image--bottom {
        bottom: -18vh; 
    } 
}

#screen
{
    position: relative;
}

#core {
    flex: 1 1 0;
    overflow-y: auto;
    overflow-x: hidden;
    background-color : #f3f3f3;
    width : 100%;
}

.elems {
    display : flex;
    flex-direction : column;
    position: relative;
    height: 100%;
    overflow: hidden;   
}

.elem{
    display : flex;
    flex-direction : row;
    width : 100%;
    height: 20%;
    z-index: 1;  
}

.icone{
    width : 30%;
    position: relative;
}

.bulle{
    width : 90%;
    position : absolute;
    top : 50%;
    left : 50%;
    transform: translate(-50%, -50%);
}

.sous_icone{
    width : 15%;
    z-index : 1;

}

.name_elem {
    font-family: bold;
    width : 60%;
    display : flex;
    align-items : center;
}

#text_interface{
    color : #ff7a59;
}

.floating-image {
    position: absolute;
} 

.floating-image--top {
    left: 50%;     
}

.floating-image--bottom {
    left: 50%;     
}